Release 2.0.5

The Web server config for language was set to an empty string which
resulted in an warning logged by i18n set_language.

* Changed set_language to ignore empty language string and do nothing.
We don't want to override the user's system language unless actually
specified by the user.
* Improved the translation warning message.

.gitattributes

@@ -1,10 +1,5 @@
-/libtorrent export-ignore
-/win32 export-ignore
-docs/build export-ignore
-docs/source export-ignore
-/tests export-ignore
-deluge/scripts export-ignore
 .gitattributes export-ignore
 .gitmodules export-ignore
 .gitignore export-ignore
 *.py diff=python
+ext-all.js diff=minjs

.github/workflows/ci.yml

@@ -0,0 +1,103 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  test-linux:
+    runs-on: ubuntu-20.04
+
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.8"
+
+      - name: Cache pip
+        uses: actions/cache@v2
+        with:
+          path: ~/.cache/pip
+          # Look to see if there is a cache hit for the corresponding requirements file
+          key: ${{ runner.os }}-pip-${{ hashFiles('tox.ini', 'setup.py', 'requirements*.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+            ${{ runner.os }}-
+
+      - name: Add libtorrent deb repository
+        uses: myci-actions/add-deb-repo@8
+        with:
+          repo: deb http://ppa.launchpad.net/libtorrent.org/1.2-daily/ubuntu focal main
+          repo-name: libtorrent
+          keys: 58E5430D9667FAEFFCA0B93F32309D6B9E009EDB
+          key-server: keyserver.ubuntu.com
+          install: python3-libtorrent-dbg
+
+      - name: Install dependencies
+        run: |
+          pip install --upgrade pip wheel
+          pip install -r requirements.txt -r requirements-tests.txt
+          pip install -e .
+
+      - name: Setup core dump directory
+        run: |
+          sudo mkdir /cores/ && sudo chmod 777 /cores/
+          echo "/cores/%E.%p" | sudo tee /proc/sys/kernel/core_pattern
+
+      - name: Test with pytest
+        run: |
+          ulimit -c unlimited  # Enable core dumps to be captured
+          cp /usr/lib/python3/dist-packages/libtorrent*.so $GITHUB_WORKSPACE/deluge
+          python -c 'from deluge._libtorrent import lt; print(lt.__version__)';
+          catchsegv python -X dev -m pytest -v -m "not (todo or gtkui or security)" deluge
+
+      - uses: actions/upload-artifact@v2
+        # capture all crashes as build artifacts
+        if: failure()
+        with:
+          name: crashes
+          path: /cores
+
+  test-windows:
+    runs-on: windows-latest
+
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.7"
+
+      - name: Cache pip
+        uses: actions/cache@v2
+        with:
+          path: '%LOCALAPPDATA%\pip\Cache'
+          # Look to see if there is a cache hit for the corresponding requirements file
+          key: ${{ runner.os }}-pip-${{ hashFiles('tox.ini', 'setup.py', 'requirements*.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+            ${{ runner.os }}-
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip wheel
+          python -m pip install libtorrent==1.2.*
+          pip install -r requirements.txt -r requirements-tests.txt
+          pip install -e .
+
+      - name: Test with pytest
+        run: |
+          python -c 'import libtorrent as lt; print(lt.__version__)';
+          pytest -m "not (todo or gtkui or security)" deluge

.github/workflows/docs.yml

@@ -0,0 +1,45 @@
+name: Docs
+
+# Controls when the action will run.
+on:
+  # Triggers the workflow on push or pull request events but only for the main branch
+  push:
+  pull_request:
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-python@v2
+        with:
+          python-version: "3.8"
+      - name: Cache pip
+        uses: actions/cache@v2
+        with:
+          # This path is specific to Ubuntu
+          path: ~/.cache/pip
+          # Look to see if there is a cache hit for the corresponding requirements file
+          key: ${{ runner.os }}-pip-${{ hashFiles('requirements*.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+            ${{ runner.os }}-
+
+      - name: Install dependencies
+        run: |
+          pip install --upgrade pip wheel
+          pip install tox
+          sudo apt-get install enchant
+
+      - name: Test with tox
+        env:
+          TOX_ENV: docs
+        run: |
+          tox -e $TOX_ENV

.github/workflows/lint.yml

@@ -0,0 +1,17 @@
+name: Linting
+
+on:
+  push:
+  pull_request:
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+      - name: Run pre-commit linting
+        uses: pre-commit/action@v2.0.2

.gitignore

@@ -1,9 +1,26 @@
 *~
 build
+.cache
 dist
-*egg-info
+docs/source/modules/deluge*.rst
+*.egg-info/
+*.dist-info/
 *.egg
 *.log
-*.pyc
+__pycache__/
+*.py[cod]
 *.tar.*
 _trial_temp
+.tox/
+deluge/i18n/*/
+deluge.pot
+deluge/ui/web/js/*.js
+deluge/ui/web/js/extjs/ext-extensions*.js
+*.desktop
+*.appdata.xml
+.build_data*
+osx/app
+RELEASE-VERSION
+.venv*
+# used by setuptools to cache downloaded eggs
+/.eggs

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "libtorrent"]
-	path = libtorrent
-	url = git://deluge-torrent.org/libtorrent

.pre-commit-config.yaml

@@ -0,0 +1,42 @@
+default_language_version:
+  python: python3
+exclude: >
+  (?x)^(
+      deluge/ui/web/docs/template/.*|
+  )$
+repos:
+  - repo: https://github.com/ambv/black
+    rev: 20.8b1
+    hooks:
+      - id: black
+        name: Fmt Black
+  - repo: https://github.com/pre-commit/mirrors-prettier
+    rev: v2.2.1
+    hooks:
+      - id: prettier
+        name: Fmt Prettier
+        # Workaround to list modified files only.
+        args: [--list-different]
+  - repo: https://gitlab.com/pycqa/flake8
+    # v3.7.9 due to E402 issue: https://gitlab.com/pycqa/flake8/-/issues/638
+    rev: 3.7.9
+    hooks:
+      - id: flake8
+        name: Chk Flake8
+        additional_dependencies:
+          - flake8-isort==4.0.0
+          - pep8-naming==0.11.1
+        args: [--isort-show-traceback]
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.4.0
+    hooks:
+      - id: double-quote-string-fixer
+        name: Fix Double-quotes
+      - id: end-of-file-fixer
+        name: Fix End-of-files
+        exclude_types: [javascript, css]
+      - id: mixed-line-ending
+        name: Fix Line endings
+        args: [--fix=auto]
+      - id: trailing-whitespace
+        name: Fix Trailing whitespace

.prettierignore

@@ -0,0 +1,6 @@
+deluge/ui/web/css/ext-*.css
+deluge/ui/web/js/extjs/ext-*.js
+deluge/ui/web/docs/
+deluge/ui/web/themes/images/
+*.py*
+*.html

.prettierrc.yaml

@@ -0,0 +1,13 @@
+trailingComma: "es5"
+tabWidth: 4
+singleQuote: true
+overrides:
+  - files:
+      - "*.yaml"
+      - ".*.yaml"
+      - "*.yml"
+      - ".*.yml"
+      - "*.md"
+    options:
+      tabWidth: 2
+      singleQuote: false

.pylintrc

@@ -0,0 +1,425 @@
+[MASTER]
+
+# Specify a configuration file.
+#rcfile=
+
+# Python code to execute, usually for sys.path manipulation such as
+# pygtk.require().
+#init-hook=
+
+# Add files or directories to the blacklist. They should be base names, not
+# paths.
+ignore=CVS
+
+# Add files or directories matching the regex patterns to the blacklist. The
+# regex matches against base names, not paths.
+ignore-patterns=
+
+# Pickle collected data for later comparisons.
+persistent=yes
+
+# List of plugins (as comma separated values of python modules names) to load,
+# usually to register additional checkers.
+load-plugins=
+
+# Use multiple processes to speed up Pylint.
+jobs=2
+
+# Allow loading of arbitrary C extensions. Extensions are imported into the
+# active Python interpreter and may run arbitrary code.
+unsafe-load-any-extension=no
+
+# A comma-separated list of package or module names from where C extensions may
+# be loaded. Extensions are loading into the active Python interpreter and may
+# run arbitrary code
+extension-pkg-whitelist=
+
+# Allow optimization of some AST trees. This will activate a peephole AST
+# optimizer, which will apply various small optimizations. For instance, it can
+# be used to obtain the result of joining multiple strings with the addition
+# operator. Joining a lot of strings can lead to a maximum recursion error in
+# Pylint and this flag can prevent that. It has one side effect, the resulting
+# AST will be different than the one from reality. This option is deprecated
+# and it will be removed in Pylint 2.0.
+optimize-ast=no
+
+
+[MESSAGES CONTROL]
+
+# Only show warnings with the listed confidence levels. Leave empty to show
+# all. Valid levels: HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED
+confidence=
+
+# Enable the message, report, category or checker with the given id(s). You can
+# either give multiple identifier separated by comma (,) or put this option
+# multiple time (only on the command line, not in the configuration file where
+# it should appear only once). See also the "--disable" option for examples.
+#enable=
+
+# Disable the message, report, category or checker with the given id(s). You
+# can either give multiple identifiers separated by comma (,) or put this
+# option multiple times (only on the command line, not in the configuration
+# file where it should appear only once).You can also use "--disable=all" to
+# disable everything first and then reenable specific checks. For example, if
+# you want to run only the similarities checker, you can use "--disable=all
+# --enable=similarities". If you want to run only the classes checker, but have
+# no Warning level messages displayed, use"--disable=all --enable=classes
+# --disable=W"
+#
+# Arranged by category and use symbolic names instead of ids.
+disable=
+# Convention
+    missing-docstring, invalid-name, bad-continuation,
+# Error
+    no-member, no-name-in-module,
+# Information
+    locally-disabled,
+# Refactor
+    no-self-use, too-many-arguments, too-many-branches, too-many-instance-attributes,
+    too-many-locals, too-few-public-methods, too-many-public-methods, too-many-statements,
+# Refactor msgs that should eventually be enabled:
+    redefined-variable-type, too-many-ancestors,
+    too-many-nested-blocks, too-many-return-statements,
+# Warning
+    unused-argument, protected-access, import-error, unused-variable,
+    attribute-defined-outside-init,
+# Warning msgs that should eventually be enabled:
+    arguments-differ, global-statement, fixme, broad-except
+
+[REPORTS]
+
+# Set the output format. Available formats are text, parseable, colorized, msvs
+# (visual studio) and html. You can also give a reporter class, eg
+# mypackage.mymodule.MyReporterClass.
+output-format=parseable
+
+# Put messages in a separate file for each module / package specified on the
+# command line instead of printing them on stdout. Reports (if any) will be
+# written in a file name "pylint_global.[txt|html]". This option is deprecated
+# and it will be removed in Pylint 2.0.
+files-output=no
+
+# Tells whether to display a full report or only the messages
+reports=no
+
+# Python expression which should return a note less than 10 (10 is the highest
+# note). You have access to the variables errors warning, statement which
+# respectively contain the number of errors / warnings messages and the total
+# number of statements analyzed. This is used by the global evaluation report
+# (RP0004).
+evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10)
+
+# Template used to display messages. This is a python new-style format string
+# used to format the message information. See doc for all details
+#msg-template=
+
+
+[SPELLING]
+
+# Spelling dictionary name. Available dictionaries: none. To make it working
+# install python-enchant package.
+spelling-dict=
+
+# List of comma separated words that should not be checked.
+spelling-ignore-words=
+
+# A path to a file that contains private dictionary; one word per line.
+spelling-private-dict-file=
+
+# Tells whether to store unknown words to indicated private dictionary in
+# --spelling-private-dict-file option instead of raising a message.
+spelling-store-unknown-words=no
+
+
+[BASIC]
+
+# Good variable names which should always be accepted, separated by a comma
+good-names=d,i,j,k,ex,Run,_,log
+
+# Bad variable names which should always be refused, separated by a comma
+bad-names=foo,bar,baz,toto,tutu,tata
+
+# Colon-delimited sets of names that determine each other's naming style when
+# the name regexes allow several styles.
+name-group=
+
+# Include a hint for the correct naming format with invalid-name
+include-naming-hint=no
+
+# List of decorators that produce properties, such as abc.abstractproperty. Add
+# to this list to register other decorators that produce valid properties.
+property-classes=abc.abstractproperty
+
+# Regular expression matching correct function names
+function-rgx=[a-z_][a-z0-9_]{2,30}$
+
+# Naming hint for function names
+function-name-hint=[a-z_][a-z0-9_]{2,30}$
+
+# Regular expression matching correct variable names
+variable-rgx=[a-z_][a-z0-9_]{2,30}$
+
+# Naming hint for variable names
+variable-name-hint=[a-z_][a-z0-9_]{2,30}$
+
+# Regular expression matching correct constant names
+const-rgx=(([A-Z_][A-Z0-9_]*)|(__.*__))$
+
+# Naming hint for constant names
+const-name-hint=(([A-Z_][A-Z0-9_]*)|(__.*__))$
+
+# Regular expression matching correct attribute names
+attr-rgx=[a-z_][a-z0-9_]{2,30}$
+
+# Naming hint for attribute names
+attr-name-hint=[a-z_][a-z0-9_]{2,30}$
+
+# Regular expression matching correct argument names
+argument-rgx=[a-z_][a-z0-9_]{2,30}$
+
+# Naming hint for argument names
+argument-name-hint=[a-z_][a-z0-9_]{2,30}$
+
+# Regular expression matching correct class attribute names
+class-attribute-rgx=([A-Za-z_][A-Za-z0-9_]{2,30}|(__.*__))$
+
+# Naming hint for class attribute names
+class-attribute-name-hint=([A-Za-z_][A-Za-z0-9_]{2,30}|(__.*__))$
+
+# Regular expression matching correct inline iteration names
+inlinevar-rgx=[A-Za-z_][A-Za-z0-9_]*$
+
+# Naming hint for inline iteration names
+inlinevar-name-hint=[A-Za-z_][A-Za-z0-9_]*$
+
+# Regular expression matching correct class names
+class-rgx=[A-Z_][a-zA-Z0-9]+$
+
+# Naming hint for class names
+class-name-hint=[A-Z_][a-zA-Z0-9]+$
+
+# Regular expression matching correct module names
+module-rgx=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$
+
+# Naming hint for module names
+module-name-hint=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$
+
+# Regular expression matching correct method names
+method-rgx=[a-z_][a-z0-9_]{2,40}$
+
+# Naming hint for method names
+method-name-hint=[a-z_][a-z0-9_]{2,30}$
+
+# Regular expression which should only match function or class names that do
+# not require a docstring.
+no-docstring-rgx=__.*__
+
+# Minimum line length for functions/classes that require docstrings, shorter
+# ones are exempt.
+docstring-min-length=-1
+
+
+[ELIF]
+
+# Maximum number of nested blocks for function / method body
+max-nested-blocks=5
+
+
+[LOGGING]
+
+# Logging modules to check that the string format arguments are in logging
+# function parameter format
+logging-modules=logging
+
+
+[FORMAT]
+
+# Maximum number of characters on a single line.
+max-line-length=120
+
+# Regexp for a line that is allowed to be longer than the limit.
+ignore-long-lines=^\s*(# )?<?https?://\S+>?$
+
+# Allow the body of an if to be on the same line as the test if there is no
+# else.
+single-line-if-stmt=no
+
+# List of optional constructs for which whitespace checking is disabled. `dict-
+# separator` is used to allow tabulation in dicts, etc.: {1  : 1,\n222: 2}.
+# `trailing-comma` allows a space between comma and closing bracket: (a, ).
+# `empty-line` allows space-only lines.
+no-space-check=trailing-comma,dict-separator
+
+# Maximum number of lines in a module
+max-module-lines=1550
+
+# String used as indentation unit. This is usually "    " (4 spaces) or "\t" (1
+# tab).
+indent-string='    '
+
+# Number of spaces of indent required inside a hanging or continued line.
+indent-after-paren=4
+
+# Expected format of line ending, e.g. empty (any line ending), LF or CRLF.
+expected-line-ending-format=LF
+
+
+[MISCELLANEOUS]
+
+# List of note tags to take in consideration, separated by a comma.
+notes=FIXME,XXX,TODO
+
+
+[VARIABLES]
+
+# Tells whether we should check for unused import in __init__ files.
+init-import=no
+
+# A regular expression matching the name of dummy variables (i.e. expectedly
+# not used).
+dummy-variables-rgx=_$|dummy
+
+# List of additional names supposed to be defined in builtins. Remember that
+# you should avoid to define new builtins when possible.
+additional-builtins=_,_n,__request__,WindowsError
+
+# List of strings which can identify a callback function by name. A callback
+# name must start or end with one of those strings.
+callbacks=cb_,_cb
+
+# List of qualified module names which can have objects that can redefine
+# builtins.
+redefining-builtins-modules=six.moves,future.builtins,future_builtins
+
+
+[TYPECHECK]
+
+# Tells whether missing members accessed in mixin class should be ignored. A
+# mixin class is detected if its name ends with "mixin" (case insensitive).
+ignore-mixin-members=yes
+
+# List of module names for which member attributes should not be checked
+# (useful for modules/projects where namespaces are manipulated during runtime
+# and thus existing member attributes cannot be deduced by static analysis. It
+# supports qualified module names, as well as Unix pattern matching.
+ignored-modules=
+
+# List of class names for which member attributes should not be checked (useful
+# for classes with dynamically set attributes). This supports the use of
+# qualified names.
+ignored-classes=SQLObject,twisted.internet.reactor
+
+# List of members which are set dynamically and missed by pylint inference
+# system, and so shouldn't trigger E1101 when accessed. Python regular
+# expressions are accepted.
+generated-members=REQUEST,acl_users,aq_parent
+
+# List of decorators that produce context managers, such as
+# contextlib.contextmanager. Add to this list to register other decorators that
+# produce valid context managers.
+contextmanager-decorators=contextlib.contextmanager
+
+
+[SIMILARITIES]
+
+# Minimum lines number of a similarity.
+min-similarity-lines=4
+
+# Ignore comments when computing similarities.
+ignore-comments=yes
+
+# Ignore docstrings when computing similarities.
+ignore-docstrings=yes
+
+# Ignore imports when computing similarities.
+ignore-imports=no
+
+
+[IMPORTS]
+
+# Deprecated modules which should not be used, separated by a comma
+deprecated-modules=regsub,TERMIOS,Bastion,rexec
+
+# Create a graph of every (i.e. internal and external) dependencies in the
+# given file (report RP0402 must not be disabled)
+import-graph=
+
+# Create a graph of external dependencies in the given file (report RP0402 must
+# not be disabled)
+ext-import-graph=
+
+# Create a graph of internal dependencies in the given file (report RP0402 must
+# not be disabled)
+int-import-graph=
+
+# Force import order to recognize a module as part of the standard
+# compatibility libraries.
+known-standard-library=
+
+# Force import order to recognize a module as part of a third party library.
+known-third-party=enchant
+
+# Analyse import fallback blocks. This can be used to support both Python 2 and
+# 3 compatible code, which means that the block might have code that exists
+# only in one or another interpreter, leading to false positives when analysed.
+analyse-fallback-blocks=no
+
+
+[DESIGN]
+
+# Maximum number of arguments for function / method
+max-args=7
+
+# Argument names that match this expression will be ignored. Default to name
+# with leading underscore
+ignored-argument-names=_.*
+
+# Maximum number of locals for function / method body
+max-locals=15
+
+# Maximum number of return / yield for function / method body
+max-returns=6
+
+# Maximum number of branch for function / method body
+max-branches=12
+
+# Maximum number of statements in function / method body
+max-statements=50
+
+# Maximum number of parents for a class (see R0901).
+max-parents=7
+
+# Maximum number of attributes for a class (see R0902).
+max-attributes=7
+
+# Minimum number of public methods for a class (see R0903).
+min-public-methods=2
+
+# Maximum number of public methods for a class (see R0904).
+max-public-methods=20
+
+# Maximum number of boolean expressions in a if statement
+max-bool-expr=5
+
+
+[CLASSES]
+
+# List of method names used to declare (i.e. assign) instance attributes.
+defining-attr-methods=__init__,__new__,setUp
+
+# List of valid names for the first argument in a class method.
+valid-classmethod-first-arg=cls
+
+# List of valid names for the first argument in a metaclass class method.
+valid-metaclass-classmethod-first-arg=mcs
+
+# List of member names, which should be excluded from the protected access
+# warning.
+exclude-protected=_asdict,_fields,_replace,_source,_make
+
+
+[EXCEPTIONS]
+
+# Exceptions that will emit a warning when being caught. Defaults to
+# "Exception"
+overgeneral-exceptions=Exception

.readthedocs.yml

@@ -0,0 +1,22 @@
+# .readthedocs.yml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+  configuration: docs/source/conf.py
+
+# Optionally build your docs in additional formats such as PDF and ePub
+formats: all
+
+# Optionally set the version of Python and requirements required to build your docs
+python:
+  version: 3.7
+  install:
+    - requirements: requirements.txt
+    - requirements: docs/requirements.txt
+    - method: setuptools
+      path: .

AUTHORS

@@ -0,0 +1,790 @@
+Authors:
+    * Andrew Resch ('andar') <andrewresch@gmail.com>
+    * Damien Churchill ('damoxc') <damoxc@gmail.com>
+
+Main Developers:
+    * Andrew Resch
+    * Damien Churchill
+    * John Garland ('johnnyg') <johnnybg+deluge@gmail.com>
+    * Calum Lind ('cas') <calumlind+deluge@gmail.com>
+
+libtorrent (http://www.libtorrent.org):
+    * Arvid Norberg
+
+Contributors (and Past Developers):
+    * Zach Tibbitts <zach@collegegeek.org>
+    * Alon Zakai ('Kripken') <kripkensteiner@gmail.com>
+    * Marcos Mobley ('markybob') <markybob@gmail.com>
+    * Alex Dedul
+    * Sadrul Habib Chowdhury
+    * Ido Abramovich <ido.deluge@gmail.com>
+    * Martijn Voncken <mvoncken@gmail.com>
+    * Mark Stahler ('kramed') <markstahler@gmail.com>
+    * Pedro Algarvio ('s0undt3ch') <ufs@ufsoft.org>
+    * Cristian Greco ('cgreco') <cristian@regolo.cc>
+    * Chase Sterling ('gazpachoKing') <chase.sterling@gmail.com>
+
+Plugin Developers:
+    * Autoadd       : Chase Sterling
+    * Blocklist     : John Garland
+    * Execute       : Damien Churchill
+    * Extractor     : Andrew Resch
+    * Label         : Martijn Voncken
+    * Notifications : Pedro Algarvio
+    * Scheduler     : Andrew Resch
+    * Webui         : Damien Churchill
+
+Images Authors:
+
+    * files: deluge/ui/data/pixmaps/*.svg, *.png
+             deluge/ui/web/icons/active.png, alert.png, all.png, checking.png, dht.png,
+             downloading.png, inactive.png, queued.png, seeding.png, traffic.png
+             deluge/ui/web/images/deluge*.png
+             deluge/ui/web/icons/apple-pre-*.png, deluge*.png
+      copyright: Calum Lind
+      license: GPLv3
+
+    * files: deluge/plugins/blocklist/blocklist/data/*.png
+             deluge/ui/data/pixmaps/tracker_warning16.png, tracker_all16.png, lock48.png
+      copyright: Gnome Icon Theme
+      license: GPLv2
+      url: http://ftp.acc.umu.se/pub/GNOME/sources/gnome-icon-theme
+
+    * files: deluge/ui/data/pixmaps/magnet*.svg, *.png
+      copyright:  Matias Wilkman
+      license:
+
+    * files: deluge/ui/data/pixmaps/flags/*.png
+      copyright: Mark James <mjames@gmail.com>
+      license: Public Domain
+      url: http://famfamfam.com/lab/icons/flags/
+
+    * files: deluge/ui/web/icons/*.png
+      exceptions: apple-pre-*.png, active.png, alert.png, all.png, deluge.png, dht.png,
+                  downloading.png, inactive.png, queued.png, seeding.png, traffic.png
+      copyright: Yusuke Kamiyamane <p@yusukekamiyamane.com>
+      license: Creative Commons Attribution 3.0 License
+      url: http://p.yusukekamiyamane.com/
+
+    * files: deluge/ui/web/images/spinner.gif, spinner-split.gif
+      copyright: Steven Chim
+      license: BSD license
+      url: http://members.upc.nl/j.chim/ext/spinner2/ext-spinner.html
+
+Translation Contributors:
+    * files: deluge/i18n/*.po
+
+    Aaron Wang Shi
+    abbigss
+    ABCdatos
+    Abcx
+    Actam
+    Adam
+    adaminikisi
+    adi_oporanu
+    Adrian Goll
+    afby
+    Ahmades
+    Ahmad Farghal
+    Ahmad Gharbeia أحمد غربية
+    akira
+    Aki Sivula
+    Alan Pepelko
+    Alberto
+    Alberto Ferrer
+    alcatr4z
+    AlckO
+    Aleksej Korgenkov
+    Alessio Treglia
+    Alexander Ilyashov
+    Alexander Matveev
+    Alexander Saltykov
+    Alexander Taubenkorb
+    Alexander Telenga
+    Alexander Yurtsev
+    Alexandre Martani
+    Alexandre Rosenfeld
+    Alexandre Sapata Carbonell
+    Alexey Osipov
+    Alin Claudiu Radut
+    allah
+    AlSim
+    Alvaro Carrillanca P.
+    A.Matveev
+    Andras Hipsag
+    András Kárász
+    Andrea Ratto
+    Andreas Johansson
+    Andreas Str
+    André F. Oliveira
+    AndreiF
+    andrewh
+    Angel Guzman Maeso
+    Aníbal Deboni Neto
+    animarval
+    Antonio Cono
+    antoniojreyes
+    Anton Shestakov
+    Anton Yakutovich
+    antou
+    Arkadiusz Kalinowski
+    Artin
+    artir
+    Astur
+    Athanasios Lefteris
+    Athmane MOKRAOUI (ButterflyOfFire)
+    Augusta Carla Klug
+    Avoledo Marco
+    axaard
+    AxelRafn
+    Axezium
+    Ayont
+    b3rx
+    Bae Taegil
+    Bajusz Tamás
+    Balaam's Miracle
+    Ballestein
+    Bent Ole Fosse
+    berto89
+    bigx
+    Bjorn Inge Berg
+    blackbird
+    Blackeyed
+    blackmx
+    BlueSky
+    Blutheo
+    bmhm
+    bob00work
+    boenki
+    Bogdan Bădic-Spătariu
+    bonpu
+    Boone
+    boss01
+    Branislav Jovanović
+    bronze
+    brownie
+    Brus46
+    bumper
+    butely
+    BXCracer
+    c0nfidencal
+    Can Kaya
+    Carlos Alexandro Becker
+    cassianoleal
+    Cédric.h
+    César Rubén
+    chaoswizard
+    Chen Tao
+    chicha
+    Chien Cheng Wei
+    Christian Kopac
+    Christian Widell
+    Christoffer Brodd-Reijer
+    christooss
+    CityAceE
+    Clopy
+    Clusty
+    cnu
+    Commandant
+    Constantinos Koniaris
+    Coolmax
+    cosmix
+    Costin Chirvasuta
+    CoVaLiDiTy
+    cow_2001
+    Crispin Kirchner
+    crom
+    Cruster
+    Cybolic
+    Dan Bishop
+    Danek
+    Dani
+    Daniel Demarco
+    Daniel Ferreira
+    Daniel Frank
+    Daniel Holm
+    Daniel Høyer Iversen
+    Daniel Marynicz
+    Daniel Nylander
+    Daniel Patriche
+    Daniel Schildt
+    Daniil Sorokin
+    Dante Díaz
+    Daria Michalska
+    DarkenCZ
+    Darren
+    Daspah
+    David Eurenius
+    davidhjelm
+    David Machakhelidze
+    Dawid Dziurdzia
+    Daya Adianto
+    dcruz
+    Deady
+    Dereck Wonnacott
+    Devgru
+    Devid Antonio FiloniDevilDogTG
+    di0rz`
+    Dialecti Valsamou
+    Diego Medeiros
+    Dkzoffy
+    Dmitrij D. Czarkoff
+    Dmitriy Geels
+    Dmitry Olyenyov
+    Dominik Kozaczko
+    Dominik Lübben
+    doomster
+    Dorota Król
+    Doyen Philippe
+    Dread Knight
+    DreamSonic
+    duan
+    Duong Thanh An
+    DvoglavaZver
+    dwori
+    dylansmrjones
+    Ebuntor
+    Edgar Alejandro Jarquin Flores
+    Eetu
+    ekerazha
+    Elias Julkunen
+    elparia
+    Emberke
+    Emiliano Goday Caneda
+    EndelWar
+    eng.essam
+    enubuntu
+    ercangun
+    Erdal Ronahi
+    ergin üresin
+    Eric
+    Éric Lassauge
+    Erlend Finvåg
+    Errdil
+    ethan shalev
+    Evgeni Spasov
+    ezekielnin
+    Fabian Ordelmans
+    Fabio Mazanatti
+    Fábio Nogueira
+    FaCuZ
+    Felipe Lerena
+    Fernando Pereira
+    fjetland
+    Florian Schäfer
+    FoBoS
+    Folke
+    Force
+    fosk
+    fragarray
+    freddeg
+    Frédéric Perrin
+    Fredrik Kilegran
+    FreeAtMind
+    Fulvio Ciucci
+    Gabor Kelemen
+    Galatsanos Panagiotis
+    Gaussian
+    gdevitis
+    Georg Brzyk
+    George Dumitrescu
+    Georgi Arabadjiev
+    Georg Sieber
+    Gerd Radecke
+    Germán Heusdens
+    Gianni Vialetto
+    Gigih Aji Ibrahim
+    Giorgio Wicklein
+    Giovanni Rapagnani
+    Giuseppe
+    gl
+    glen
+    granjerox
+    Green Fish
+    greentea
+    Greyhound
+    G. U.
+    Guillaume BENOIT
+    Guillaume Pelletier
+    Gustavo Henrique Klug
+    gutocarvalho
+    Guybrush88
+    Hans Rødtang
+    HardDisk
+    Hargas Gábor
+    Heitor Thury Barreiros Barbosa
+    helios91940
+    helix84
+    Helton Rodrigues
+    Hendrik Luup
+    Henrique Ferreiro
+    Henry Goury-Laffont
+    Hezy Amiel
+    hidro
+    hoball
+    hokten
+    Holmsss
+    hristo.num
+    Hubert Życiński
+    Hyo
+    Iarwain
+    ibe
+    ibear
+    Id2ndR
+    Igor Zubarev
+    IKON (Ion)
+    imen
+    Ionuț Jula
+    Isabelle STEVANT
+    István Nyitrai
+    Ivan Petrovic
+    Ivan Prignano
+    IvaSerge
+    jackmc
+    Jacks0nxD
+    Jack Shen
+    Jacky Yeung
+    Jacques Stadler
+    Janek Thomaschewski
+    Jan Kaláb
+    Jan Niklas Hasse
+    Jasper Groenewegen
+    Javi Rodríguez
+    Jayasimha (ಜಯಸಿಂಹ)
+    jeannich
+    Jeff Bailes
+    Jesse Zilstorff
+    Joan Duran
+    João Santos
+    Joar Bagge
+    Joe Anderson
+    Joel Calado
+    Johan Linde
+    John Garland
+    Jojan
+    jollyr0ger
+    Jonas Bo Grimsgaard
+    Jonas Granqvist
+    Jonas Slivka
+    Jonathan Zeppettini
+    Jørgen
+    Jørgen Tellnes
+    josé
+    José Geraldo Gouvêa
+    José Iván León Islas
+    José Lou C.
+    Jose Sun
+    Jr.
+    Jukka Kauppinen
+    Julián Alarcón
+    julietgolf
+    Jusic
+    Justzupi
+    Kaarel
+    Kai Thomsen
+    Kalman Tarnay
+    Kamil Páral
+    Kane_F
+    kaotiks@gmail.com
+    Kateikyoushii
+    kaxhinaz
+    Kazuhiro NISHIYAMA
+    Kerberos
+    Keresztes Ákos
+    kevintyk
+    kiersie
+    Kimbo^
+    Kim Lübbe
+    kitzOgen
+    Kjetil Rydland
+    kluon
+    kmikz
+    Knedlyk
+    koleoptero
+    Kőrösi Krisztián
+    Kouta
+    Krakatos
+    Krešo Kunjas
+    kripken
+    Kristaps
+    Kristian Øllegaard
+    Kristoffer Egil Bonarjee
+    Krzysztof Janowski
+    Krzysztof Zawada
+    Larry Wei Liu
+    laughterwym
+    Laur Mõtus
+    lazka
+    leandrud
+    lê bình
+    Le Coz Florent
+    Leo
+    liorda
+    LKRaider
+    LoLo_SaG
+    Long Tran
+    Lorenz
+    Low Kian Seong
+    Luca Andrea Rossi
+    Luca Ferretti
+    Lucky LIX
+    Luis Gomes
+    Luis Reis
+    Łukasz Wyszyński
+    luojie-dune
+    maaark
+    Maciej Chojnacki
+    Maciej Meller
+    Mads Peter Rommedahl
+    Major Kong
+    Malaki
+    malde
+    Malte Lenz
+    Mantas Kriaučiūnas
+    Mara Sorella
+    Marcin
+    Marcin Falkiewicz
+    marcobra
+    Marco da Silva
+    Marco de Moulin
+    Marco Rodrigues
+    Marcos
+    Marcos Escalier
+    Marcos Mobley
+    Marcus Ekstrom
+    Marek Dębowski
+    Mário Buči
+    Mario Munda
+    Marius Andersen
+    Marius Hudea
+    Marius Mihai
+    Mariusz Cielecki
+    Mark Krapivner
+    marko-markovic
+    Markus Brummer
+    Markus Sutter
+    Martin
+    Martin Dybdal
+    Martin Iglesias
+    Martin Lettner
+    Martin Pihl
+    Masoud Kalali
+    mat02
+    Matej Urbančič
+    Mathias-K
+    Mathieu Arès
+    Mathieu D. (MatToufoutu)
+    Mathijs
+    Matrik
+    Matteo Renzulli
+    Matteo Settenvini
+    Matthew Gadd
+    Matthias Benkard
+    Matthias Mailänder
+    Mattias Ohlsson
+    Mauro de Carvalho
+    Max Molchanov
+    Me
+    MercuryCC
+    Mert Bozkurt
+    Mert Dirik
+    MFX
+    mhietar
+    mibtha
+    Michael Budde
+    Michael Kaliszka
+    Michalis Makaronides
+    Michał Tokarczyk
+    Miguel Pires da Rosa
+    Mihai Capotă
+    Miika Metsälä
+    Mikael Fernblad
+    Mike Sierra
+    mikhalek
+    Milan Prvulović
+    Milo Casagrande
+    Mindaugas
+    Miroslav Matejaš
+    misel
+    mithras
+    Mitja Pagon
+    M.Kitchen
+    Mohamed Magdy
+    moonkey
+    MrBlonde
+    muczy
+    Münir Ekinci
+    Mustafa Temizel
+    mvoncken
+    Mytonn
+    NagyMarton
+    neaion
+    Neil Lin
+    Nemo
+    Nerijus Arlauskas
+    Nicklas Larsson
+    Nicolaj Wyke
+    Nicola Piovesan
+    Nicolas Sabatier
+    Nicolas Velin
+    Nightfall
+    NiKoB
+    Nikolai M. Riabov
+    Niko_Thien
+    niska
+    Nithir
+    noisemonkey
+    nomemohes
+    nosense
+    null
+    Nuno Estêvão
+    Nuno Santos
+    nxxs
+    nyo
+    obo
+    Ojan
+    Olav Andreas Lindekleiv
+    oldbeggar
+    Olivier FAURAX
+    orphe
+    osantana
+    Osman Tosun
+    OssiR
+    otypoks
+    ounn
+    Oz123
+    Özgür BASKIN
+    Pablo Carmona A.
+    Pablo Ledesma
+    Pablo Navarro Castillo
+    Paco Molinero
+    Pål-Eivind Johnsen
+    pano
+    Paolo Naldini
+    Paracelsus
+    Patryk13_03
+    Patryk Skorupa
+    PattogoTehen
+    Paul Lange
+    Pavcio
+    Paweł Wysocki
+    Pedro Brites Moita
+    Pedro Clemente Pereira Neto
+    Pekka "PEXI" Niemistö
+    Penegal
+    Penzo
+    perdido
+    Peter Kotrcka
+    Peter Skov
+    Peter Van den Bosch
+    Petter Eklund
+    Petter Viklund
+    phatsphere
+    Phenomen
+    Philipi
+    Philippides Homer
+    phoenix
+    pidi
+    Pierre Quillery
+    Pierre Rudloff
+    Pierre Slamich
+    Pietrao
+    Piotr Strębski
+    Piotr Wicijowski
+    Pittmann Tamás
+    Playmolas
+    Prescott
+    Prescott_SK
+    pronull
+    Przemysław Kulczycki
+    Pumy
+    pushpika
+    PY
+    qubicllj
+    r21vo
+    Rafał Barański
+    rainofchaos
+    Rajbir
+    ras0ir
+    Rat
+    rd1381
+    Renato
+    Rene Hennig
+    Rene Pärts
+    Ricardo Duarte
+    Richard
+    Robert Hrovat
+    Roberth Sjonøy
+    Robert Lundmark
+    Robin Jakobsson
+    Robin Kåveland
+    Rodrigo Donado
+    Roel Groeneveld
+    rohmaru
+    Rolf Christensen
+    Rolf Leggewie
+    Roni Kantis
+    Ronmi
+    Rostislav Raykov
+    royto
+    RuiAmaro
+    Rui Araújo
+    Rui Moura
+    Rune Svendsen
+    Rusna
+    Rytis
+    Sabirov Mikhail
+    salseeg
+    Sami Koskinen
+    Samir van de Sand
+    Samuel Arroyo Acuña
+    Samuel R. C. Vale
+    Sanel
+    Santi
+    Santi Martínez Cantelli
+    Sardan
+    Sargate Kanogan
+    Sarmad Jari
+    Saša Bodiroža
+    sat0shi
+    Saulius Pranckevičius
+    Savvas Radevic
+    Sebastian Krauß
+    Sebastián Porta
+    Sedir
+    Sefa Denizoğlu
+    sekolands
+    Selim Suerkan
+    semsomi
+    Sergii Golovatiuk
+    setarcos
+    Sheki
+    Shironeko
+    Shlomil
+    silfiriel
+    Simone Tolotti
+    Simone Vendemia
+    sirkubador
+    Sławomir Więch
+    slip
+    slyon
+    smoke
+    Sonja
+    spectral
+    spin_555
+    spitf1r3
+    Spiziuz
+    Spyros Theodoritsis
+    SqUe
+    Squigly
+    srtck
+    Stefan Horning
+    Stefano Maggiolo
+    Stefano Roberto Soleti
+    steinberger
+    Stéphane Travostino
+    Stephan Klein
+    Steven De Winter
+    Stevie
+    Stian24
+    stylius
+    Sukarn Maini
+    Sunjae Park
+    Susana Pereira
+    szymon siglowy
+    takercena
+    TAS
+    Taygeto
+    temy4
+    texxxxxx
+    thamood
+    Thanos Chatziathanassiou
+    Tharawut Paripaiboon
+    Theodoor
+    Théophane Anestis
+    Thor Marius K. Høgås
+    Tiago Silva
+    Tiago Sousa
+    Tikkel
+    tim__b
+    Tim Bordemann
+    Tim Fuchs
+    Tim Kornhammar
+    Timo
+    Timo Jyrinki
+    Timothy Babych
+    TitkosRejtozo
+    Tom
+    Tomas Gustavsson
+    Tomas Valentukevičius
+    Tomasz Dominikowski
+    Tomislav Plavčić
+    Tom Mannerhagen
+    Tommy Mikkelsen
+    Tom Verdaat
+    Tony Manco
+    Tor Erling H. Opsahl
+    Toudi
+    tqm_z
+    Trapanator
+    Tribaal
+    Triton
+    TuniX12
+    Tuomo Sipola
+    turbojugend_gr
+    Turtle.net
+    twilight
+    tymmej
+    Ulrik
+    Umarzuki Mochlis
+    unikob
+    Vadim Gusev
+    Vagi
+    Valentin Bora
+    Valmantas Palikša
+    VASKITTU
+    Vassilis Skoullis
+    vetal17
+    vicedo
+    viki
+    villads hamann
+    Vincent Garibal
+    Vincent Ortalda
+    vinchi007
+    Vinícius de Figueiredo Silva
+    Vinzenz Vietzke
+    virtoo
+    virtual_spirit
+    Vitor Caike
+    Vitor Lamas Gatti
+    Vladimir Lazic
+    Vladimir Sharshov
+    Wanderlust
+    Wander Nauta
+    Ward De Ridder
+    WebCrusader
+    webdr
+    Wentao Tang
+    wilana
+    Wilfredo Ernesto Guerrero Campos
+    Wim Champagne
+    World Sucks
+    Xabi Ezpeleta
+    Xavi de Moner
+    XavierToo
+    XChesser
+    Xiaodong Xu
+    xyb
+    Yaron
+    Yasen Pramatarov
+    YesPoX
+    Yuren Ju
+    Yves MATHIEU
+    zekopeko
+    zhuqin
+    Zissan
+    Γιάννης Κατσαμπίρης
+    Артём Попов
+    Миша
+    Шаймарданов Максим
+    蔡查理

CHANGELOG.md

@@ -0,0 +1,177 @@
+# Changelog
+
+## 2.0.5 (2021-12-15)
+
+### WebUI
+
+- Fix js minifying error resulting in WebUI blank screen.
+- Silence erronous missing translations warning.
+
+## 2.0.4 (2021-12-12)
+
+### Packaging
+
+- Fix python optional setup.py requirements
+
+### Gtk UI
+
+- Add detection of torrent URL on GTK UI focus
+- Fix piecesbar crashing when enabled
+- Remove num_blocks_cache_hits in stats
+- Fix unhandled error with empty clipboard
+- Add torrentdetails tabs position menu (#3441)
+- Hide pygame community banner in console
+- Fix cmp function for None types (#3309)
+- Fix loading config with double-quotes in string
+- Fix Status tab download speed and uploaded
+
+### Web UI
+
+- Handle torrent add failures
+- Add menu option to copy magnet URI
+- Fix md5sums in torrent files breaking file listing (#3388)
+- Add country flag alt/title for accessibility
+
+### Console UI
+
+- Fix allowing use of windows-curses on Windows
+- Fix hostlist status lookup errors
+- Fix AttributeError setting config values
+- Fix setting 'Skip' priority
+
+### Core
+
+- Add workaround libtorrent 2.0 file_progress error
+- Fix allow enabling any plugin Python version
+- Export torrent get_magnet_uri method
+- Fix loading magnet with resume_data and no metadata (#3478)
+- Fix httpdownloader reencoding torrent file downloads (#3440)
+- Fix lt listen_interfaces not comma-separated (#3337)
+- Fix unable to remove magnet with delete_copies enabled (#3325)
+- Fix Python 3.8 compatibility
+- Fix loading config with double-quotes in string
+- Fix pickle loading non-ascii state error (#3298)
+- Fix creation of pidfile via command option
+- Fix for peer.client UnicodeDecodeError
+- Fix show_file unhandled dbus error
+
+### Documentation
+
+- Add How-to guides about services.
+
+### Stats plugin
+
+- Fix constant session status key warnings
+- Fix cairo error
+
+### Notifications plugin
+
+- Fix email KeyError with status name
+- Fix unhandled TypeErrors on Python 3
+
+### Autoadd plugin
+
+- Fix magnet missing applied labels
+
+### Execute plugin
+
+- Fix failing to run on Windows (#3439)
+
+## 2.0.3 (2019-06-12)
+
+### Gtk UI
+
+- Fix errors running on Wayland (#3265).
+- Fix Peers Tab tooltip and context menu errors (#3266).
+
+### Web UI
+
+- Fix TypeError in Peers Tab setting country flag.
+- Fix reverse proxy header TypeError (#3260).
+- Fix request.base 'idna' codec error (#3261).
+- Fix unable to change password (#3262).
+
+### Extractor plugin
+
+- Fix potential error starting plugin.
+
+### Documentation
+
+- Fix macOS install typo.
+- Fix Windows install instructions.
+
+## 2.0.2 (2019-06-08)
+
+### Packaging
+
+- Add systemd deluged and deluge-web service files to package tarball (#2034)
+
+### Core
+
+- Fix Python 2 compatibility issue with SimpleNamespace.
+
+## 2.0.1 (2019-06-07)
+
+### Packaging
+
+- Fix `setup.py` build error without git installed.
+
+## 2.0.0 (2019-06-06)
+
+### Codebase
+
+- Ported to Python 3
+
+### Core
+
+- Improved Logging
+- Removed the AutoAdd feature on the core. It's now handled with the AutoAdd
+  plugin, which is also shipped with Deluge, and it does a better job and
+  now, it even supports multiple users perfectly.
+- Authentication/Permission exceptions are now sent to clients and recreated
+  there to allow acting upon them.
+- Updated SSL/TLS Protocol parameters for better security.
+- Make the distinction between adding to the session new unmanaged torrents
+  and torrents loaded from state. This will break backwards compatibility.
+- Pass a copy of an event instead of passing the event arguments to the
+  event handlers. This will break backwards compatibility.
+- Allow changing ownership of torrents.
+- File modifications on the auth file are now detected and when they happen,
+  the file is reloaded. Upon finding an old auth file with an old format, an
+  upgrade to the new format is made, file saved, and reloaded.
+- Authentication no longer requires a username/password. If one or both of
+  these is missing, an authentication error will be sent to the client
+  which should then ask the username/password to the user.
+- Implemented sequential downloads.
+- Provide information about a torrent's pieces states
+- Add Option To Specify Outgoing Connection Interface.
+- Fix potential for host_id collision when creating hostlist entries.
+
+### Gtk UI
+
+- Ported to GTK3 (3rd-party plugins will need updated).
+- Allow changing ownership of torrents.
+- Host entries in the Connection Manager UI are now editable.
+- Implemented sequential downloads UI handling.
+- Add optional pieces bar instead of a regular progress bar in torrent status tab.
+- Make torrent opening compatible with all Unicode paths.
+- Fix magnet association button on Windows.
+- Add keyboard shortcuts for changing queue position:
+  - Up: `Ctrl+Alt+Up`
+  - Down: `Ctrl+Alt+Down`
+  - Top: `Ctrl+Alt+Shift+Up`
+  - Bottom: `Ctrl+Alt+Shift+Down`
+
+### Web UI
+
+- Server (deluge-web) now daemonizes by default, use '-d' or '--do-not-daemonize' to disable.
+- Fixed the '--base' option to work for regular use, not just with reverse proxies.
+
+### Blocklist Plugin
+
+- Implemented whitelist support to both core and GTK UI.
+- Implemented IP filter cleaning before each update. Restarting the deluge
+  daemon is no longer needed.
+- If "check_after_days" is 0(zero), the timer is not started anymore. It
+  would keep updating one call after the other. If the value changed, the
+  timer is now stopped and restarted using the new value.

ChangeLog

@@ -1,117 +0,0 @@
-=== Deluge 1.3.0 (In Development) ===
-==== Core ====
-	* Implement #1063 option to delete torrent file copy on torrent removal - patch from Ghent
-	* Implement #457 progress bars for folders
-	* Implement #1012 httpdownloader supports gzip decoding
-	* #496: Remove deprecated functions in favour of get_session_status()
-	* #1112: Fix renaming files in add torrent dialog
-	* #1247: Fix deluge-gtk from hanging on shutdown
-	* #995: Rewrote tracker_icons
-
-==== Blocklist ====
-	* Implement local blocklist support
-	* #861: Pause transfers until blocklist is imported
-
-==== Web ====
-	* Migrate to ExtJS 3.1
-	* Add gzip compression of HTTP data to the server
-	* Improve the efficiency of the TorrentGrid
-
-=== Deluge 1.2.0 - "Bursting like an infected kidney" (10 January 2010) ===
-==== Core ====
-	* Implement new RPC protocol DelugeRPC replacing XMLRPC
-	* Move to a twisted framework
-	* Add an 'Error' filter for Trackers to show trackers that currently have a tracker error
-	* Use system GeoIP database if available, this is now an optional dependency
-
-==== GtkUI ====
-	* Remove SignalReceiver
-	* Implemented a cross-platform IPC method thus removing the DBUS dependency
-	* Implement a "True" Classic Mode where there is no longer a separate daemon process
-	* Add preferences option "Add torrent in paused state"
-	* Add tracker icons to the Tracker column
-	* Implement #259 show tooltip with country name in the peers tab
-	* Add an error category to the tracker sidebar list
-	* Add Find More Plugins button to Plugins preference page
-	* Fix #518 remove header in add torrent dialog to save vertical space
-	* Add a Cache preferences page to adjust cache settings and examine cache status
-	* Add ability to rename files prior to adding them
-	* Fix shutdown handler with GNOME session manager
-	* Allow 4 MiB piece sizes when creating a torrent
-
-==== ConsoleUI ====
-	* Changed to use curses for a more interactive client
-
-==== WebUI ====
-	* Move over to using Twisted-Web for the webserver.
-	* Move to only AJAX interface built upon Ext-JS.
-
-==== Plugins ====
-	* Add Scheduler plugin
-	* Add Extractor plugin
-
-==== Misc ====
-	* PyGTK dependency bumped to => 2.12 to use new tooltip system
-	* Add new scripts for invoking UIs: deluge-gtk, deluge-web, deluge-console
-	* Remove GeoIP database from the source tree
-
-=== Deluge 1.1.0 - "Time gas!" (10 January 2009) ===
-==== Core ====
-	* Implement #79 ability to change outgoing port range
-	* Implement #296 ability to change peer TOS byte
-	* Add per-torrent move on completed settings
-	* Implement #414 use async save_resume_data method
-	* Filter Manager with torrent filtering in get_torrents_status , for sidebar and plugins.
-	* Implement #368 add torrents by infohash/magnet uri (trackerless torrents)
-	* Remove remaining gtk functions in common
-	* Tracker icons.
-	* Add ETA for torrents with stop at seed ratio set
-	* Fix #47 the state and config files are no longer invalidated when there is no diskspace
-	* Fix #619 return "" instead of "Infinity" if seconds == 0 in ftime
-	* Add -P, --pidfile option to deluged
-
-==== GtkUI ====
-	* Add peer progress to the peers tab
-	* Add ability to manually add peers
-	* Sorting # column will place downloaders above seeds
-	* Remove dependency on libtorrent for add torrent dialog
-	* Allow adding multiple trackers at once in the edit tracker dialog
-	* Implement #28 Create Torrent Dialog
-	* Redesiged sidebar with filters for Active and Tracker (see Filter Manager)
-	* Implement #428 the ability to rename files and directories
-	* Implement #229 add date added column
-	* Implement #596 show speeds in title
-	* Fix #636 not setting the daemon's config directory when using --config= with the UI in classic mode.
-	* Fix #624 do not allow changing file priorities when using compact allocation
-	* Fix #602 re-did files/peers tab state saving/loading
-	* Fix gtk warnings
-	* Add protocol traffic statusbar item
-	* Rework the Remove Torrent Dialog to only have 2 options, remove data and remove from session.
-	* Add "Install Plugin" and "Rescan Plugins" buttons to the Plugins preferences
-	* Make active port test use internal graphic instead of launching browser
-
-==== WebUI ====
-	* Lots of smaller tweaks.
-	* All details tabs have the same features as in gtk-ui 1.0.x
-	* Persistent sessions #486
-	* Plugin improvements for easy use of templates and images in eggs. #497
-	* Classic template takes over some style elements from white template.
-	* https (for users that know how to create certificates)
-	* Easier apache mod_proxy use.
-	* Redesigned sidebar
-
-==== AjaxUI ====
-	* Hosted in a webui template.
-
-==== ConsoleUI ====
-	* New ConsoleUI written by Idoa01
-	* Callable from command-line for scripts.
-
-==== Plugins ====
-	* Stats plugin for graphs.
-	* Label plugin for grouping torrents and per torrent settings.
-
-==== Misc ====
-	* Implement #478 display UI options in usage help
-	* Fix #547 add description to name field per HIG entry 2.1.1.1
-	* Fix #531 set default log level to ERROR and add 2 command-line options, "-L, --loglevel" and "-q, --quiet".

DEPENDS

@@ -1,30 +0,0 @@
-=== Core ===
- * python >= 2.5
- * twisted >= 8.1
- * twisted-web >= 8.1
- * pyopenssl
- * simplejson (if python < 2.6)
- * setuptools
- * gettext
- * pyxdg
- * geoip-database (optional)
-
- * libtorrent >= 0.14, or build the included version
-
- * If building included libtorrent::
-   * boost >= 1.34.1
-   * openssl
-   * zlib
-
-=== UIs ===
- * chardet
-
-=== Gtk ===
- * python-notify (libnotify python wrapper)
- * pygame
- * pygtk >= 2.12
- * librsvg
- * xdg-utils
-
-=== Web ===
- * mako

DEPENDS.md

@@ -0,0 +1,101 @@
+# Deluge dependencies
+
+The following are required to install and run Deluge. They are separated into
+sections to distinguish the precise requirements for each module.
+
+All modules will require the [common](#common) section dependencies.
+
+## Prerequisite
+
+- [Python] _>= 3.5_
+
+## Build
+
+- [setuptools]
+- [intltool] - Optional: Desktop file translation for \*nix.
+- [closure-compiler] - Minify javascript (alternative is [rjsmin])
+
+## Common
+
+- [Twisted] _>= 17.1_ - Use `TLS` extras for `service_identity` and `idna`.
+- [OpenSSL] _>= 1.0.1_
+- [pyOpenSSL]
+- [rencode] _>= 1.0.2_ - Encoding library.
+- [PyXDG] - Access freedesktop.org standards for \*nix.
+- [xdg-utils] - Provides xdg-open for \*nix.
+- [six]
+- [zope.interface]
+- [chardet] - Optional: Encoding detection.
+- [setproctitle] - Optional: Renaming processes.
+- [Pillow] - Optional: Support for resizing tracker icons.
+- [dbus-python] - Optional: Show item location in filemanager.
+
+### Linux and BSD
+
+- [distro] - Optional: OS platform information.
+
+### Windows OS
+
+- [pywin32]
+- [certifi]
+
+## Core (deluged daemon)
+
+- [libtorrent] _>= 1.1.1_
+- [GeoIP] - Optional: IP address location lookup. (_Debian: `python-geoip`_)
+
+## GTK UI
+
+- [GTK+] >= 3.10
+- [PyGObject]
+- [Pycairo]
+- [librsvg] _>= 2_
+- [libappindicator3] w/GIR - Optional: Ubuntu system tray icon.
+
+### MacOS
+
+- [GtkOSXApplication]
+
+## Web UI
+
+- [mako]
+
+## Plugins
+
+### Notifications
+
+- [pygame] - Optional: Play sounds
+- [libnotify] w/GIR - Optional: Desktop popups.
+
+[python]: https://www.python.org/
+[setuptools]: https://setuptools.readthedocs.io/en/latest/
+[intltool]: https://freedesktop.org/wiki/Software/intltool/
+[closure-compiler]: https://developers.google.com/closure/compiler/
+[rjsmin]: https://pypi.org/project/rjsmin/
+[openssl]: https://www.openssl.org/
+[pyopenssl]: https://pyopenssl.org
+[twisted]: https://twistedmatrix.com
+[pillow]: https://pypi.org/project/Pillow/
+[libtorrent]: https://libtorrent.org/
+[zope.interface]: https://pypi.org/project/zope.interface/
+[distro]: https://github.com/nir0s/distro
+[pywin32]: https://github.com/mhammond/pywin32
+[certifi]: https://pypi.org/project/certifi/
+[py2-ipaddress]: https://pypi.org/project/py2-ipaddress/
+[dbus-python]: https://pypi.org/project/dbus-python/
+[setproctitle]: https://pypi.org/project/setproctitle/
+[gtkosxapplication]: https://github.com/jralls/gtk-mac-integration
+[chardet]: https://chardet.github.io/
+[rencode]: https://github.com/aresch/rencode
+[pyxdg]: https://www.freedesktop.org/wiki/Software/pyxdg/
+[six]: https://pythonhosted.org/six/
+[xdg-utils]: https://www.freedesktop.org/wiki/Software/xdg-utils/
+[gtk+]: https://www.gtk.org/
+[pycairo]: https://cairographics.org/pycairo/
+[pygobject]: https://pygobject.readthedocs.io/en/latest/
+[geoip]: https://pypi.org/project/GeoIP/
+[mako]: https://www.makotemplates.org/
+[pygame]: https://www.pygame.org/
+[libnotify]: https://developer.gnome.org/libnotify/
+[python-appindicator]: https://packages.ubuntu.com/xenial/python-appindicator
+[librsvg]: https://wiki.gnome.org/action/show/Projects/LibRsvg

MANIFEST.in

@@ -1,12 +1,36 @@
-recursive-include docs/man *
-recursive-include deluge *
-recursive-include win32 *
+include *.md
+include AUTHORS
+include LICENSE
+include RELEASE-VERSION
+include msgfmt.py
+include minify_web_js.py
+include version.py
+include gen_web_gettext.py
 
-recursive-exclude deluge *.egg-link
-exclude deluge/ui/web/gen_gettext.py
-exclude deluge/ui/web/css/*-debug.css
-exclude deluge/ui/web/js/build.sh
-exclude deluge/ui/web/js/Deluge*.js
-exclude deluge/ui/web/js/*-debug.js
-prune deluge/ui/web/docs
-prune deluge/scripts
+graft docs/man
+graft packaging/systemd
+
+include deluge/i18n/*.po
+recursive-exclude deluge/i18n *.mo
+
+graft deluge/plugins
+recursive-exclude deluge/plugins create_dev_link.sh *.pyc *.egg
+prune deluge/plugins/*/build
+prune deluge/plugins/*/*.egg-info
+
+graft deluge/tests/
+recursive-exclude deluge/tests *.pyc
+
+graft deluge/ui/data
+recursive-exclude deluge/ui/data *.desktop *.xml
+graft deluge/ui/gtk3/glade
+
+include deluge/ui/web/index.html
+include deluge/ui/web/css/*.css
+include deluge/ui/web/js/*.js
+graft deluge/ui/web/js/deluge-all/
+graft deluge/ui/web/js/extjs/
+graft deluge/ui/web/themes
+graft deluge/ui/web/render
+graft deluge/ui/web/icons
+graft deluge/ui/web/images

README

@@ -1,94 +0,0 @@
-
-==========================
- Deluge BitTorrent Client
-==========================
-
-Homepage: http://deluge-torrent.org
-
-Authors:
-    Andrew Resch
-    Damien Churchill
-
-For past developers and contributers see: http://dev.deluge-torrent.org/wiki/About
-
-==========================
-License
-==========================
-Deluge is under the GNU GPLv3 license.
-Icon data/pixmaps/deluge.svg and derivatives in data/icons are copyright
-Andrew Wedderburn and are under the GNU GPLv3.
-All other icons in data/pixmaps are copyright Andrew Resch and are under
-the GNU GPLv3.
-
-==========================
-Contact/Support:
-==========================
-
-We have two options available for support:
-
-	Our Forum, at: http://forum.deluge-torrent.org
-		or
-	Our IRC Channel, at #deluge on Freenode: http://freenode.net
-
-==========================
-Installation Instructions:
-==========================
-
-For more detailed instructions see: http://dev.deluge-torrent.org/wiki/Installing/Source
-
-See: DEPENDS for a full list of dependencies.
-
-First, make sure you have the proper build dependencies installed.  On a normal
-Debian or Ubuntu system:
-
-sudo apt-get install g++ make python-all-dev python-all python-dbus \
-    python-gtk2 python-notify librsvg2-common python-xdg python-support \
-    subversion libboost-dev libboost-python-dev \
-    libboost-thread-dev libboost-date-time-dev libboost-filesystem-dev \
-    libssl-dev zlib1g-dev python-setuptools \
-    python-mako python-twisted-web python-chardet python-simplejson
-
-The names of the packages may vary depending on your OS / distro.
-
-Once you have the needed libraries installed, build and install by running:
-
-	$ python setup.py build
-	$ sudo python setup.py install
-
-==========================
-FAQ
-==========================
-
-How to start the various user-interfaces
-
-    Gtk:
-        deluge-gtk
-    Console:
-        deluge-console
-    Web:
-        deluge-web
-        Go to http://localhost:8112/ default-password = "deluge"
-
-Why is deluge still listed in my system tray even after I close it ?
-
-    You closed the gtk user-interface but you did not close the daemon. Choose "Quit & Shutdown Daemon" to close both Daemon and gtk-ui.
-
-How do I start the daemon?
-
-    deluged
-
-How do I start the daemon with logging to console?
-
-    deluged -d -L <log level>
-
-I can't connect to the daemon from another machine
-
-    * Configure the daemon to allow remote connections
-    * Add a user to the auth file located in the config folder: ~/.config/deluge/auth
-    * Restart the daemon.
-
-I upgraded from 0.5 and plugin x is missing
-
-    1.0 is a rewrite, all old 0.5 plugins have to be rewritten.
-
-For the full FAQ see: http://dev.deluge-torrent.org/wiki/Faq

README.md

@@ -0,0 +1,70 @@
+# Deluge BitTorrent Client
+
+[![build-status]][github-ci] [![docs-status]][rtd-deluge]
+
+Deluge is a BitTorrent client that utilizes a daemon/client model.
+It has various user interfaces available such as the GTK-UI, Web-UI and
+Console-UI. It uses [libtorrent][lt] at its core to handle the BitTorrent
+protocol.
+
+## Install
+
+From [PyPi](https://pypi.org/project/deluge):
+
+    pip install deluge
+
+with all optional dependencies:
+
+    pip install deluge[all]
+
+From source code:
+
+    pip install .
+
+with all optional dependencies:
+
+    pip install .[all]
+
+See [DEPENDS](DEPENDS.md) and [Installing/Source] for dependency details.
+
+## Usage
+
+The various user-interfaces and Deluge daemon can be started with the following commands.
+
+Use the `--help` option for further command options.
+
+### Gtk UI
+
+`deluge` or `deluge-gtk`
+
+### Console UI
+
+`deluge-console`
+
+### Web UI
+
+`deluge-web`
+
+Open http://localhost:8112 with default password `deluge`.
+
+### Daemon
+
+`deluged`
+
+See the [Thinclient guide] to connect to the daemon from another computer.
+
+## Contact
+
+- [Homepage](https://deluge-torrent.org)
+- [User guide][user guide]
+- [Forum](https://forum.deluge-torrent.org)
+- [IRC Libera.Chat #deluge](irc://irc.libera.chat/deluge)
+
+[user guide]: https://dev.deluge-torrent.org/wiki/UserGuide
+[thinclient guide]: https://dev.deluge-torrent.org/wiki/UserGuide/ThinClient
+[installing/source]: https://dev.deluge-torrent.org/wiki/Installing/Source
+[build-status]: https://github.com/deluge-torrent/deluge/actions/workflows/ci.yml/badge.svg?branch=develop "CI"
+[github-ci]: https://github.com/deluge-torrent/deluge/actions/workflows/ci.yml
+[docs-status]: https://readthedocs.org/projects/deluge/badge/?version=latest
+[rtd-deluge]: https://deluge.readthedocs.io/en/latest/?badge=latest "Documentation Status"
+[lt]: https://libtorrent.org

create_potfiles_in.py

@@ -1,23 +0,0 @@
-import os
-
-# Paths to exclude
-EXCLUSIONS = [
-    "deluge/scripts"
-]
-
-POTFILE_IN = "deluge/i18n/POTFILES.in"
-
-print "Creating " + POTFILE_IN + " .."
-to_translate = []
-for (dirpath, dirnames, filenames) in os.walk("deluge"):
-    for filename in filenames:
-        if os.path.splitext(filename)[1] in (".py", ".glade") and dirpath not in EXCLUSIONS:
-            to_translate.append(os.path.join(dirpath, filename))
-
-f = open(POTFILE_IN, "wb")
-for line in to_translate:
-    f.write(line + "\n")
-
-f.close()
-
-print "Done"

createicons.sh

@@ -1,6 +0,0 @@
-#!/bin/bash
-for size in 16 22 24 32 36 48 64 72 96 128 192 256; do mkdir -p deluge/data/\
-icons/hicolor/${size}x${size}/apps; rsvg-convert -w ${size} -h ${size} \
--o deluge/data/icons/hicolor/${size}x${size}/apps/deluge.png deluge/data/pixmaps\
-/deluge.svg; mkdir -p deluge/data/icons/scalable/apps/; cp deluge/data/pixmaps/\
-deluge.svg deluge/data/icons/scalable/apps/deluge.svg; done

deluge/__rpcapi.py

@@ -1,20 +0,0 @@
-from new import classobj
-from deluge.core.core import Core
-from deluge.core.daemon import Daemon
-
-class RpcApi:
-    pass
-
-def scan_for_methods(obj):
-    methods = {
-        '__doc__': 'Methods available in %s' % obj.__name__.lower()
-    }
-    for d in dir(obj):
-        if not hasattr(getattr(obj,d), '_rpcserver_export'):
-            continue
-        methods[d] = getattr(obj, d)
-    cobj = classobj(obj.__name__.lower(), (object,), methods)
-    setattr(RpcApi, obj.__name__.lower(), cobj)
-
-scan_for_methods(Core)
-scan_for_methods(Daemon)

deluge/_libtorrent.py

@@ -1,60 +1,38 @@
-#
-# _libtorrent.py
+# -*- coding: utf-8 -*-
 #
 # Copyright (C) 2009 Andrew Resch <andrewresch@gmail.com>
 #
-# Deluge is free software.
-#
-# You may redistribute it and/or modify it under the terms of the
-# GNU General Public License, as published by the Free Software
-# Foundation; either version 3 of the License, or (at your option)
-# any later version.
-#
-# deluge is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with deluge.    If not, write to:
-# 	The Free Software Foundation, Inc.,
-# 	51 Franklin Street, Fifth Floor
-# 	Boston, MA  02110-1301, USA.
-#
-#    In addition, as a special exception, the copyright holders give
-#    permission to link the code of portions of this program with the OpenSSL
-#    library.
-#    You must obey the GNU General Public License in all respects for all of
-#    the code used other than OpenSSL. If you modify file(s) with this
-#    exception, you may extend this exception to your version of the file(s),
-#    but you are not obligated to do so. If you do not wish to do so, delete
-#    this exception statement from your version. If you delete this exception
-#    statement from all source files in the program, then also delete it here.
-#
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
 #
 
 """
-This module is used to handle the importing of libtorrent.
-
-We use this module to control what versions of libtorrent this version of Deluge
-supports.
-
-** Usage **
+This module is used to handle the importing of libtorrent and also controls
+the minimum versions of libtorrent that this version of Deluge supports.
 
+Example:
     >>> from deluge._libtorrent import lt
 
 """
+from __future__ import unicode_literals
 
-REQUIRED_VERSION = "0.14.9.0"
-
-def check_version(LT):
-    from deluge.common import VersionSplit
-    if VersionSplit(lt.version) < VersionSplit(REQUIRED_VERSION):
-        raise ImportError("This version of Deluge requires libtorrent >=%s!" % REQUIRED_VERSION)
+from deluge.common import VersionSplit, get_version
+from deluge.error import LibtorrentImportError
 
 try:
     import deluge.libtorrent as lt
-    check_version(lt)
 except ImportError:
+    try:
         import libtorrent as lt
-    check_version(lt)
+    except ImportError as ex:
+        raise LibtorrentImportError('No libtorrent library found: %s' % (ex))
+
+
+REQUIRED_VERSION = '1.1.2.0'
+LT_VERSION = lt.__version__
+
+if VersionSplit(LT_VERSION) < VersionSplit(REQUIRED_VERSION):
+    raise LibtorrentImportError(
+        'Deluge %s requires libtorrent >= %s' % (get_version(), REQUIRED_VERSION)
+    )

deluge/argparserbase.py

@@ -0,0 +1,387 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2007 Andrew Resch <andrewresch@gmail.com>
+#
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
+#
+
+from __future__ import unicode_literals
+
+import argparse
+import logging
+import os
+import platform
+import sys
+import textwrap
+
+import deluge.log
+from deluge import common
+from deluge.configmanager import get_config_dir, set_config_dir
+
+
+def find_subcommand(self, args=None, sys_argv=True):
+    """Find if a subcommand has been supplied.
+
+    Args:
+        args (list, optional): The argument list to search through.
+        sys_argv (bool): Use sys.argv[1:] if args is None.
+
+    Returns:
+        int: Index of the subcommand or '-1' if none found.
+
+    """
+    subcommand_found = -1
+    if args is None:
+        args = sys.argv[1:] if sys_argv is None else []
+
+    for x in self._subparsers._actions:
+        if not isinstance(x, argparse._SubParsersAction):
+            continue
+        for sp_name in x._name_parser_map:
+            if sp_name in args:
+                subcommand_found = args.index(sp_name)
+
+    return subcommand_found
+
+
+def set_default_subparser(self, name, abort_opts=None):
+    """Sets the default argparse subparser.
+
+    Args:
+        name (str): The name of the default subparser.
+        abort_opts (list): The arguments to test for in case no subcommand is found.
+                           If any of the values are found, the default subparser will
+                           not be inserted into sys.argv.
+
+    Returns:
+        list: The arguments found in sys.argv if no subcommand found, else None
+
+    """
+    found_abort_opts = []
+    abort_opts = [] if abort_opts is None else abort_opts
+    test_args = sys.argv[1:]
+    subparser_found = self.find_subcommand(args=test_args)
+
+    for i, arg in enumerate(test_args):
+        if subparser_found == i:
+            break
+        if arg in abort_opts:
+            found_abort_opts.append(arg)
+
+    if subparser_found == -1:
+        if found_abort_opts:
+            # Found one or more of arguments in abort_opts
+            return found_abort_opts
+
+        # insert default in first position, this implies no
+        # global options without a sub_parsers specified
+        sys.argv.insert(1, name)
+
+    return None
+
+
+argparse.ArgumentParser.find_subcommand = find_subcommand
+argparse.ArgumentParser.set_default_subparser = set_default_subparser
+
+
+def _get_version_detail():
+    version_str = '%s\n' % (common.get_version())
+    try:
+        from deluge._libtorrent import LT_VERSION
+
+        version_str += 'libtorrent: %s\n' % LT_VERSION
+    except ImportError:
+        pass
+    version_str += 'Python: %s\n' % platform.python_version()
+    version_str += 'OS: %s %s\n' % (platform.system(), common.get_os_version())
+    return version_str
+
+
+class DelugeTextHelpFormatter(argparse.RawDescriptionHelpFormatter):
+    """Help message formatter which retains formatting of all help text."""
+
+    def _split_lines(self, text, width):
+        """
+        Do not remove whitespaces in string but still wrap text to max width.
+        Instead of passing the entire text to textwrap.wrap, split and pass each
+        line instead. This way list formatting is not mangled by textwrap.wrap.
+        """
+        wrapped_lines = []
+        for l in text.splitlines():
+            wrapped_lines.extend(textwrap.wrap(l, width, subsequent_indent='  '))
+        return wrapped_lines
+
+    def _format_action_invocation(self, action):
+        """
+        Combines the options with comma and displays the argument
+        value only once instead of after both options.
+        Instead of: -s <arg>, --long-opt <arg>
+        Show      : -s, --long-opt <arg>
+
+        """
+        if not action.option_strings:
+            (metavar,) = self._metavar_formatter(action, action.dest)(1)
+            return metavar
+        else:
+            parts = []
+            # if the Optional doesn't take a value, format is:
+            #    -s, --long
+            if action.nargs == 0:
+                parts.extend(action.option_strings)
+
+            # if the Optional takes a value, format is:
+            #    -s, --long ARGS
+            else:
+                default = action.dest.upper()
+                args_string = self._format_args(action, default)
+                opt = ', '.join(action.option_strings)
+                parts.append('%s %s' % (opt, args_string))
+            return ', '.join(parts)
+
+
+class HelpAction(argparse._HelpAction):
+    def __call__(self, parser, namespace, values, option_string=None):
+        if hasattr(parser, 'subparser'):
+            subparser = getattr(parser, 'subparser')
+            subparser.print_help()
+        else:
+            parser.print_help()
+        parser.exit()
+
+
+class ArgParserBase(argparse.ArgumentParser):
+    def __init__(self, *args, **kwargs):
+        if 'formatter_class' not in kwargs:
+            kwargs['formatter_class'] = lambda prog: DelugeTextHelpFormatter(
+                prog, max_help_position=33, width=90
+            )
+
+        kwargs['add_help'] = kwargs.get('add_help', False)
+        common_help = kwargs.pop('common_help', True)
+        self.log_stream = sys.stdout
+        if 'log_stream' in kwargs:
+            self.log_stream = kwargs['log_stream']
+            del kwargs['log_stream']
+
+        super(ArgParserBase, self).__init__(*args, **kwargs)
+
+        self.common_setup = False
+        self.process_arg_group = False
+        self.group = self.add_argument_group(_('Common Options'))
+        if common_help:
+            self.group.add_argument(
+                '-h', '--help', action=HelpAction, help=_('Print this help message')
+            )
+        self.group.add_argument(
+            '-V',
+            '--version',
+            action='version',
+            version='%(prog)s ' + _get_version_detail(),
+            help=_('Print version information'),
+        )
+        self.group.add_argument(
+            '-v',
+            action='version',
+            version='%(prog)s ' + _get_version_detail(),
+            help=argparse.SUPPRESS,
+        )  # Deprecated arg
+        self.group.add_argument(
+            '-c',
+            '--config',
+            metavar='<config>',
+            help=_('Set the config directory path'),
+        )
+        self.group.add_argument(
+            '-l',
+            '--logfile',
+            metavar='<logfile>',
+            help=_('Output to specified logfile instead of stdout'),
+        )
+        self.group.add_argument(
+            '-L',
+            '--loglevel',
+            choices=[l for k in deluge.log.levels for l in (k, k.upper())],
+            help=_('Set the log level (none, error, warning, info, debug)'),
+            metavar='<level>',
+        )
+        self.group.add_argument(
+            '--logrotate',
+            nargs='?',
+            const='2M',
+            metavar='<max-size>',
+            help=_(
+                'Enable logfile rotation, with optional maximum logfile size, '
+                'default: %(const)s (Logfile rotation count is 5)'
+            ),
+        )
+        self.group.add_argument(
+            '-q',
+            '--quiet',
+            action='store_true',
+            help=_('Quieten logging output (Same as `--loglevel none`)'),
+        )
+        self.group.add_argument(
+            '--profile',
+            metavar='<profile-file>',
+            nargs='?',
+            default=False,
+            help=_(
+                'Profile %(prog)s with cProfile. Outputs to stdout '
+                'unless a filename is specified'
+            ),
+        )
+
+    def parse_args(self, args=None):
+        """Parse UI arguments and handle common and process group options.
+
+        Notes:
+            Unknown arguments results in usage text printed and system exit.
+
+        Args:
+            args (list, optional): The arguments to parse.
+
+        Returns:
+            argparse.Namespace: The parsed arguments.
+
+        """
+        options = super(ArgParserBase, self).parse_args(args=args)
+        return self._handle_ui_options(options)
+
+    def parse_known_ui_args(self, args, withhold=None):
+        """Parse UI arguments and handle common and process group options without error.
+
+        Args:
+            args (list): The arguments to parse.
+            withhold (list): Values to ignore in the args list.
+
+        Returns:
+            argparse.Namespace: The parsed arguments.
+
+        """
+        if withhold:
+            args = [a for a in args if a not in withhold]
+        options, remaining = super(ArgParserBase, self).parse_known_args(args=args)
+        options.remaining = remaining
+        # Handle common and process group options
+        return self._handle_ui_options(options)
+
+    def _handle_ui_options(self, options):
+        """Handle UI common and process group options.
+
+        Args:
+            options (argparse.Namespace): The parsed options.
+
+        Returns:
+            argparse.Namespace: The parsed options.
+
+        """
+        if not self.common_setup:
+            self.common_setup = True
+
+            # Setup the logger
+            if options.quiet:
+                options.loglevel = 'none'
+            if options.loglevel:
+                options.loglevel = options.loglevel.lower()
+
+            logfile_mode = 'w'
+            logrotate = options.logrotate
+            if options.logrotate:
+                logfile_mode = 'a'
+                logrotate = common.parse_human_size(options.logrotate)
+
+            # Setup the logger
+            deluge.log.setup_logger(
+                level=options.loglevel,
+                filename=options.logfile,
+                filemode=logfile_mode,
+                logrotate=logrotate,
+                output_stream=self.log_stream,
+            )
+
+            if options.config:
+                if not set_config_dir(options.config):
+                    log = logging.getLogger(__name__)
+                    log.error('There was an error setting the config dir! Exiting..')
+                    sys.exit(1)
+            else:
+                if not os.path.exists(common.get_default_config_dir()):
+                    os.makedirs(common.get_default_config_dir())
+
+        if self.process_arg_group:
+            self.process_arg_group = False
+            # If donotdaemonize is set, skip process forking.
+            if not (common.windows_check() or options.donotdaemonize):
+                if os.fork():
+                    os._exit(0)
+                os.setsid()
+                # Do second fork
+                if os.fork():
+                    os._exit(0)
+                # Ensure process doesn't keep any directory in use that may prevent a filesystem unmount.
+                os.chdir(get_config_dir())
+
+            # Write pid file before chuid
+            if options.pidfile:
+                with open(options.pidfile, 'w') as _file:
+                    _file.write('%d\n' % os.getpid())
+
+            if not common.windows_check():
+                if options.group:
+                    if not options.group.isdigit():
+                        import grp
+
+                        options.group = grp.getgrnam(options.group)[2]
+                    os.setgid(options.group)
+                if options.user:
+                    if not options.user.isdigit():
+                        import pwd
+
+                        options.user = pwd.getpwnam(options.user)[2]
+                    os.setuid(options.user)
+
+        return options
+
+    def add_process_arg_group(self):
+        """Adds a grouping of common process args to control a daemon to the parser"""
+
+        self.process_arg_group = True
+        self.group = self.add_argument_group(_('Process Control Options'))
+        self.group.add_argument(
+            '-P',
+            '--pidfile',
+            metavar='<pidfile>',
+            action='store',
+            help=_('Pidfile to store the process id'),
+        )
+        if not common.windows_check():
+            self.group.add_argument(
+                '-d',
+                '--do-not-daemonize',
+                dest='donotdaemonize',
+                action='store_true',
+                help=_('Do not daemonize (fork) this process'),
+            )
+            self.group.add_argument(
+                '-f',
+                '--fork',
+                dest='donotdaemonize',
+                action='store_false',
+                help=argparse.SUPPRESS,
+            )  # Deprecated arg
+            self.group.add_argument(
+                '-U',
+                '--user',
+                metavar='<user>',
+                action='store',
+                help=_('Change to this user on startup (Requires root)'),
+            )
+            self.group.add_argument(
+                '-g',
+                '--group',
+                metavar='<group>',
+                action='store',
+                help=_('Change to this group on startup (Requires root)'),
+            )

deluge/bencode.py

@@ -9,67 +9,86 @@
 # License.
 
 # Written by Petru Paler
+# Updated by Calum Lind to support both Python 2 and Python 3.
+
+from __future__ import unicode_literals
+
+from sys import version_info
+
+PY2 = version_info.major == 2
+
+
+class BTFailure(Exception):
+    pass
+
+
+DICT_DELIM = b'd'
+END_DELIM = b'e'
+INT_DELIM = b'i'
+LIST_DELIM = b'l'
+BYTE_SEP = b':'
 
-# Minor modifications made by Andrew Resch to replace the BTFailure errors with Exceptions
 
 def decode_int(x, f):
     f += 1
-    newf = x.index('e', f)
+    newf = x.index(END_DELIM, f)
     n = int(x[f:newf])
-    if x[f] == '-':
-        if x[f + 1] == '0':
+    if x[f : f + 1] == b'-' and x[f + 1 : f + 2] == b'0':
         raise ValueError
-    elif x[f] == '0' and newf != f+1:
+    elif x[f : f + 1] == b'0' and newf != f + 1:
         raise ValueError
     return (n, newf + 1)
 
+
 def decode_string(x, f):
-    colon = x.index(':', f)
+    colon = x.index(BYTE_SEP, f)
     n = int(x[f:colon])
-    if x[f] == '0' and colon != f+1:
+    if x[f : f + 1] == b'0' and colon != f + 1:
         raise ValueError
     colon += 1
     return (x[colon : colon + n], colon + n)
 
+
 def decode_list(x, f):
     r, f = [], f + 1
-    while x[f] != 'e':
-        v, f = decode_func[x[f]](x, f)
+    while x[f : f + 1] != END_DELIM:
+        v, f = decode_func[x[f : f + 1]](x, f)
         r.append(v)
     return (r, f + 1)
 
+
 def decode_dict(x, f):
     r, f = {}, f + 1
-    while x[f] != 'e':
+    while x[f : f + 1] != END_DELIM:
         k, f = decode_string(x, f)
-        r[k], f = decode_func[x[f]](x, f)
+        r[k], f = decode_func[x[f : f + 1]](x, f)
     return (r, f + 1)
 
+
 decode_func = {}
-decode_func['l'] = decode_list
-decode_func['d'] = decode_dict
-decode_func['i'] = decode_int
-decode_func['0'] = decode_string
-decode_func['1'] = decode_string
-decode_func['2'] = decode_string
-decode_func['3'] = decode_string
-decode_func['4'] = decode_string
-decode_func['5'] = decode_string
-decode_func['6'] = decode_string
-decode_func['7'] = decode_string
-decode_func['8'] = decode_string
-decode_func['9'] = decode_string
+decode_func[LIST_DELIM] = decode_list
+decode_func[DICT_DELIM] = decode_dict
+decode_func[INT_DELIM] = decode_int
+decode_func[b'0'] = decode_string
+decode_func[b'1'] = decode_string
+decode_func[b'2'] = decode_string
+decode_func[b'3'] = decode_string
+decode_func[b'4'] = decode_string
+decode_func[b'5'] = decode_string
+decode_func[b'6'] = decode_string
+decode_func[b'7'] = decode_string
+decode_func[b'8'] = decode_string
+decode_func[b'9'] = decode_string
+
 
 def bdecode(x):
     try:
-        r, l = decode_func[x[0]](x, 0)
-    except (IndexError, KeyError, ValueError):
-        raise Exception("not a valid bencoded string")
-
+        r, __ = decode_func[x[0:1]](x, 0)
+    except (LookupError, TypeError, ValueError):
+        raise BTFailure('Not a valid bencoded string')
+    else:
         return r
 
-from types import StringType, IntType, LongType, DictType, ListType, TupleType
-
 
 class Bencached(object):
 
@@ -78,52 +97,62 @@ class Bencached(object):
     def __init__(self, s):
         self.bencoded = s
 
+
 def encode_bencached(x, r):
     r.append(x.bencoded)
 
+
 def encode_int(x, r):
-    r.extend(('i', str(x), 'e'))
+    r.extend((INT_DELIM, str(x).encode('utf8'), END_DELIM))
+
 
 def encode_bool(x, r):
-    if x:
-        encode_int(1, r)
-    else:
-        encode_int(0, r)
+    encode_int(1 if x else 0, r)
+
 
 def encode_string(x, r):
-    r.extend((str(len(x)), ':', x))
+    encode_bytes(x.encode('utf8'), r)
+
+
+def encode_bytes(x, r):
+    r.extend((str(len(x)).encode('utf8'), BYTE_SEP, x))
+
 
 def encode_list(x, r):
-    r.append('l')
+    r.append(LIST_DELIM)
     for i in x:
         encode_func[type(i)](i, r)
-    r.append('e')
+    r.append(END_DELIM)
+
 
 def encode_dict(x, r):
-    r.append('d')
-    ilist = x.items()
-    ilist.sort()
-    for k, v in ilist:
-        r.extend((str(len(k)), ':', k))
+    r.append(DICT_DELIM)
+    for k, v in sorted(x.items()):
+        try:
+            k = k.encode('utf8')
+        except AttributeError:
+            pass
+        r.extend((str(len(k)).encode('utf8'), BYTE_SEP, k))
         encode_func[type(v)](v, r)
-    r.append('e')
+    r.append(END_DELIM)
+
 
 encode_func = {}
 encode_func[Bencached] = encode_bencached
-encode_func[IntType] = encode_int
-encode_func[LongType] = encode_int
-encode_func[StringType] = encode_string
-encode_func[ListType] = encode_list
-encode_func[TupleType] = encode_list
-encode_func[DictType] = encode_dict
+encode_func[int] = encode_int
+encode_func[list] = encode_list
+encode_func[tuple] = encode_list
+encode_func[dict] = encode_dict
+encode_func[bool] = encode_bool
+encode_func[str] = encode_string
+encode_func[bytes] = encode_bytes
+if PY2:
+    encode_func[long] = encode_int  # noqa: F821
+    encode_func[str] = encode_bytes
+    encode_func[unicode] = encode_string  # noqa: F821
 
-try:
-    from types import BooleanType
-    encode_func[BooleanType] = encode_bool
-except ImportError:
-    pass
 
 def bencode(x):
     r = []
     encode_func[type(x)](x, r)
-    return ''.join(r)
+    return b''.join(r)

deluge/component.py

@@ -1,48 +1,53 @@
-#
-# component.py
+# -*- coding: utf-8 -*-
 #
 # Copyright (C) 2007-2010 Andrew Resch <andrewresch@gmail.com>
 #
-# Deluge is free software.
-#
-# You may redistribute it and/or modify it under the terms of the
-# GNU General Public License, as published by the Free Software
-# Foundation; either version 3 of the License, or (at your option)
-# any later version.
-#
-# deluge is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with deluge.    If not, write to:
-# 	The Free Software Foundation, Inc.,
-# 	51 Franklin Street, Fifth Floor
-# 	Boston, MA  02110-1301, USA.
-#
-#    In addition, as a special exception, the copyright holders give
-#    permission to link the code of portions of this program with the OpenSSL
-#    library.
-#    You must obey the GNU General Public License in all respects for all of
-#    the code used other than OpenSSL. If you modify file(s) with this
-#    exception, you may extend this exception to your version of the file(s),
-#    but you are not obligated to do so. If you do not wish to do so, delete
-#    this exception statement from your version. If you delete this exception
-#    statement from all source files in the program, then also delete it here.
-#
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
 #
 
-from twisted.internet.defer import maybeDeferred, succeed, DeferredList, fail
-from twisted.internet.task import LoopingCall
-from deluge.log import LOG as log
+from __future__ import unicode_literals
+
+import logging
+import traceback
+from collections import defaultdict
+
+from six import string_types
+from twisted.internet import reactor
+from twisted.internet.defer import DeferredList, fail, maybeDeferred, succeed
+from twisted.internet.task import LoopingCall, deferLater
+
+log = logging.getLogger(__name__)
+
 
 class ComponentAlreadyRegistered(Exception):
     pass
 
+
+class ComponentException(Exception):
+    def __init__(self, message, tb):
+        super(ComponentException, self).__init__(message)
+        self.message = message
+        self.tb = tb
+
+    def __str__(self):
+        s = super(ComponentException, self).__str__()
+        return '%s\n%s' % (s, ''.join(self.tb))
+
+    def __eq__(self, other):
+        if isinstance(other, self.__class__):
+            return self.message == other.message
+        else:
+            return False
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+
 class Component(object):
-    """
-    Component objects are singletons managed by the :class:`ComponentRegistry`.
+    """Component objects are singletons managed by the :class:`ComponentRegistry`.
+
     When a new Component object is instantiated, it will be automatically
     registered with the :class:`ComponentRegistry`.
 
@@ -86,105 +91,142 @@ class Component(object):
                     still be considered in a Started state.
 
     """
+
     def __init__(self, name, interval=1, depend=None):
+        """Initialize component.
+
+        Args:
+            name (str): Name of component.
+            interval (int, optional): The interval in seconds to call the update function.
+            depend (list, optional): The names of components this component depends on.
+
+        """
         self._component_name = name
         self._component_interval = interval
         self._component_depend = depend
-        self._component_state = "Stopped"
+        self._component_state = 'Stopped'
         self._component_timer = None
         self._component_starting_deferred = None
         self._component_stopping_deferred = None
         _ComponentRegistry.register(self)
 
+    def __del__(self):
+        if _ComponentRegistry:
+            _ComponentRegistry.deregister(self)
+
     def _component_start_timer(self):
-        if hasattr(self, "update"):
+        if hasattr(self, 'update'):
             self._component_timer = LoopingCall(self.update)
             self._component_timer.start(self._component_interval)
 
     def _component_start(self):
         def on_start(result):
-            self._component_state = "Started"
+            self._component_state = 'Started'
             self._component_starting_deferred = None
             self._component_start_timer()
             return True
 
         def on_start_fail(result):
-            self._component_state = "Stopped"
+            self._component_state = 'Stopped'
             self._component_starting_deferred = None
             log.error(result)
-            return result
+            return fail(result)
 
-        if self._component_state == "Stopped":
-            if hasattr(self, "start"):
-                self._component_state = "Starting"
-                d = maybeDeferred(self.start)
-                d.addCallback(on_start)
-                d.addErrback(on_start_fail)
+        if self._component_state == 'Stopped':
+            if hasattr(self, 'start'):
+                self._component_state = 'Starting'
+                d = deferLater(reactor, 0, self.start)
+                d.addCallbacks(on_start, on_start_fail)
                 self._component_starting_deferred = d
             else:
                 d = maybeDeferred(on_start, None)
-        elif self._component_state == "Starting":
+        elif self._component_state == 'Starting':
             return self._component_starting_deferred
-        elif self._component_state == "Started":
+        elif self._component_state == 'Started':
             d = succeed(True)
         else:
-            d = fail("Cannot start a component not in a Stopped state!")
-
+            d = fail(
+                ComponentException(
+                    'Trying to start component "%s" but it is '
+                    'not in a stopped state. Current state: %s'
+                    % (self._component_name, self._component_state),
+                    traceback.format_stack(limit=4),
+                )
+            )
         return d
 
     def _component_stop(self):
         def on_stop(result):
-            self._component_state = "Stopped"
+            self._component_state = 'Stopped'
             if self._component_timer and self._component_timer.running:
                 self._component_timer.stop()
             return True
 
-        if self._component_state != "Stopped" and self._component_state != "Stopping":
-            if hasattr(self, "stop"):
-                self._component_state = "Stopping"
+        def on_stop_fail(result):
+            self._component_state = 'Started'
+            self._component_stopping_deferred = None
+            log.error(result)
+            return result
+
+        if self._component_state != 'Stopped' and self._component_state != 'Stopping':
+            if hasattr(self, 'stop'):
+                self._component_state = 'Stopping'
                 d = maybeDeferred(self.stop)
                 d.addCallback(on_stop)
+                d.addErrback(on_stop_fail)
                 self._component_stopping_deferred = d
             else:
                 d = maybeDeferred(on_stop, None)
 
-        if self._component_state == "Stopping":
+        if self._component_state == 'Stopping':
             return self._component_stopping_deferred
 
         return succeed(None)
 
     def _component_pause(self):
         def on_pause(result):
-            self._component_state = "Paused"
+            self._component_state = 'Paused'
 
-        if self._component_state == "Started":
+        if self._component_state == 'Started':
             if self._component_timer and self._component_timer.running:
                 d = maybeDeferred(self._component_timer.stop)
                 d.addCallback(on_pause)
             else:
                 d = succeed(None)
-        elif self._component_state == "Paused":
+        elif self._component_state == 'Paused':
             d = succeed(None)
         else:
-            d = fail("Cannot pause a component in a non-Started state!")
-
+            d = fail(
+                ComponentException(
+                    'Trying to pause component "%s" but it is '
+                    'not in a started state. Current state: %s'
+                    % (self._component_name, self._component_state),
+                    traceback.format_stack(limit=4),
+                )
+            )
         return d
 
     def _component_resume(self):
         def on_resume(result):
-            self._component_state = "Started"
+            self._component_state = 'Started'
 
-        if self._component_state == "Paused":
+        if self._component_state == 'Paused':
             d = maybeDeferred(self._component_start_timer)
             d.addCallback(on_resume)
         else:
-            d = fail("Component cannot be resumed from a non-Paused state!")
-
+            d = fail(
+                ComponentException(
+                    'Trying to resume component "%s" but it is '
+                    'not in a paused state. Current state: %s'
+                    % (self._component_name, self._component_state),
+                    traceback.format_stack(limit=4),
+                )
+            )
         return d
 
     def _component_shutdown(self):
         def on_stop(result):
-            if hasattr(self, "shutdown"):
+            if hasattr(self, 'shutdown'):
                 return maybeDeferred(self.shutdown)
             return succeed(None)
 
@@ -192,70 +234,98 @@ class Component(object):
         d.addCallback(on_stop)
         return d
 
+    def get_state(self):
+        return self._component_state
+
+    def start(self):
+        pass
+
+    def stop(self):
+        pass
+
+    def update(self):
+        pass
+
+    def shutdown(self):
+        pass
+
+
 class ComponentRegistry(object):
+    """The ComponentRegistry holds a list of currently registered :class:`Component` objects.
+
+    It is used to manage the Components by starting, stopping, pausing and shutting them down.
     """
-    The ComponentRegistry holds a list of currently registered
-    :class:`Component` objects.  It is used to manage the Components by
-    starting, stopping, pausing and shutting them down.
-    """
+
     def __init__(self):
         self.components = {}
+        # Stores all of the components that are dependent on a particular component
+        self.dependents = defaultdict(list)
 
     def register(self, obj):
-        """
-        Registers a component object with the registry.  This is done
-        automatically when a Component object is instantiated.
+        """Register a component object with the registry.
 
-        :param obj: the Component object
-        :type obj: object
+        Note:
+            This is done automatically when a Component object is instantiated.
 
-        :raises ComponentAlreadyRegistered: if a component with the same name is already registered.
+        Args:
+            obj (Component): A component object to register.
+
+        Raises:
+            ComponentAlreadyRegistered: If a component with the same name is already registered.
 
         """
         name = obj._component_name
         if name in self.components:
             raise ComponentAlreadyRegistered(
-                "Component already registered with name %s" % name)
+                'Component already registered with name %s' % name
+            )
 
         self.components[obj._component_name] = obj
+        if obj._component_depend:
+            for depend in obj._component_depend:
+                self.dependents[depend].append(name)
 
-    def deregister(self, name):
-        """
-        Deregisters a component from the registry.  A stop will be
+    def deregister(self, obj):
+        """Deregister a component from the registry.  A stop will be
         issued to the component prior to deregistering it.
 
-        :param name: the name of the component
-        :type name: string
+        Args:
+            obj (Component): a component object to deregister
+
+        Returns:
+            Deferred: a deferred object that will fire once the Component has been
+                successfully deregistered
 
         """
+        if obj in self.components.values():
+            log.debug('Deregistering Component: %s', obj._component_name)
+            d = self.stop([obj._component_name])
 
-        if name in self.components:
-            log.debug("Deregistering Component: %s", name)
-            d = self.stop([name])
             def on_stop(result, name):
-                del self.components[name]
-            return d.addCallback(on_stop, name)
+                # Component may have been removed, so pop to ensure it doesn't fail
+                self.components.pop(name, None)
+
+            return d.addCallback(on_stop, obj._component_name)
         else:
             return succeed(None)
 
-    def start(self, names=[]):
-        """
-        Starts Components that are currently in a Stopped state and their
-        dependencies.  If *names* is specified, will only start those
-        Components and their dependencies and if not it will start all
-        registered components.
+    def start(self, names=None):
+        """Start Components, and their dependencies, that are currently in a Stopped state.
 
-        :param names: a list of Components to start
-        :type names: list
+        Note:
+            If no names are specified then all registered components will be started.
 
-        :returns: a Deferred object that will fire once all Components have been sucessfully started
-        :rtype: twisted.internet.defer.Deferred
+        Args:
+            names (list): A list of Components to start and their dependencies.
+
+        Returns:
+            Deferred: Fired once all Components have been successfully started.
 
         """
         # Start all the components if names is empty
         if not names:
-            names = self.components.keys()
-        elif isinstance(names, str):
+            names = list(self.components)
+        elif isinstance(names, string_types):
             names = [names]
 
         def on_depends_started(result, name):
@@ -274,109 +344,124 @@ class ComponentRegistry(object):
 
         return DeferredList(deferreds)
 
-    def stop(self, names=[]):
-        """
-        Stops Components that are currently not in a Stopped state.  If
-        *names* is specified, then it will only stop those Components,
-        and if not it will stop all the registered Components.
+    def stop(self, names=None):
+        """Stop Components that are currently not in a Stopped state.
 
-        :param names: a list of Components to start
-        :type names: list
+        Note:
+            If no names are specified then all registered components will be stopped.
 
-        :returns: a Deferred object that will fire once all Components have been sucessfully stopped
-        :rtype: twisted.internet.defer.Deferred
+        Args:
+            names (list): A list of Components to stop.
+
+        Returns:
+            Deferred: Fired once all Components have been successfully stopped.
 
         """
         if not names:
-            names = self.components.keys()
-        elif isinstance(names, str):
+            names = list(self.components)
+        elif isinstance(names, string_types):
             names = [names]
 
+        def on_dependents_stopped(result, name):
+            return self.components[name]._component_stop()
+
+        stopped_in_deferred = set()
         deferreds = []
 
         for name in names:
+            if name in stopped_in_deferred:
+                continue
             if name in self.components:
+                if name in self.dependents:
+                    # If other components depend on this component, stop them first
+                    d = self.stop(self.dependents[name]).addCallback(
+                        on_dependents_stopped, name
+                    )
+                    deferreds.append(d)
+                    stopped_in_deferred.update(self.dependents[name])
+                else:
                     deferreds.append(self.components[name]._component_stop())
 
         return DeferredList(deferreds)
 
-    def pause(self, names=[]):
-        """
-        Pauses Components that are currently in a Started state.  If
-        *names* is specified, then it will only pause those Components,
-        and if not it will pause all the registered Components.
+    def pause(self, names=None):
+        """Pause Components that are currently in a Started state.
 
-        :param names: a list of Components to pause
-        :type names: list
+        Note:
+            If no names are specified then all registered components will be paused.
 
-        :returns: a Deferred object that will fire once all Components have been sucessfully paused
-        :rtype: twisted.internet.defer.Deferred
+        Args:
+            names (list): A list of Components to pause.
+
+        Returns:
+            Deferred: Fired once all Components have been successfully paused.
 
         """
         if not names:
-            names = self.components.keys()
-        elif isinstance(names, str):
+            names = list(self.components)
+        elif isinstance(names, string_types):
             names = [names]
 
         deferreds = []
 
         for name in names:
-            if self.components[name]._component_state == "Started":
+            if self.components[name]._component_state == 'Started':
                 deferreds.append(self.components[name]._component_pause())
 
         return DeferredList(deferreds)
 
-    def resume(self, names=[]):
-        """
-        Resumes Components that are currently in a Paused state.  If
-        *names* is specified, then it will only resume those Components,
-        and if not it will resume all the registered Components.
+    def resume(self, names=None):
+        """Resume Components that are currently in a Paused state.
 
-        :param names: a list of Components to resume
-        :type names: list
+        Note:
+            If no names are specified then all registered components will be resumed.
 
-        :returns: a Deferred object that will fire once all Components have been sucessfully resumed
-        :rtype: twisted.internet.defer.Deferred
+        Args:
+            names (list): A list of Components to to resume.
+
+        Returns:
+            Deferred: Fired once all Components have been successfully resumed.
 
         """
         if not names:
-            names = self.components.keys()
-        elif isinstance(names, str):
+            names = list(self.components)
+        elif isinstance(names, string_types):
             names = [names]
 
         deferreds = []
 
         for name in names:
-            if self.components[name]._component_state == "Paused":
+            if self.components[name]._component_state == 'Paused':
                 deferreds.append(self.components[name]._component_resume())
 
         return DeferredList(deferreds)
 
     def shutdown(self):
-        """
-        Shutdowns all Components regardless of state.  This will call
-        :meth:`stop` on call the components prior to shutting down.  This should
-        be called when the program is exiting to ensure all Components have a
-        chance to properly shutdown.
+        """Shutdown all Components regardless of state.
 
-        :returns: a Deferred object that will fire once all Components have been sucessfully resumed
-        :rtype: twisted.internet.defer.Deferred
+        This will call stop() on all the components prior to shutting down. This should be called
+        when the program is exiting to ensure all Components have a chance to properly shutdown.
+
+        Returns:
+            Deferred: Fired once all Components have been successfully shut down.
 
         """
-        deferreds = []
 
-        for component in self.components.values():
-            deferreds.append(component._component_shutdown())
+        def on_stopped(result):
+            return DeferredList(
+                [comp._component_shutdown() for comp in list(self.components.values())]
+            )
 
-        return DeferredList(deferreds)
+        return self.stop(list(self.components)).addCallback(on_stopped)
 
     def update(self):
-        """
-        Updates all Components that are in a Started state.
-
-        """
+        """Update all Components that are in a Started state."""
         for component in self.components.items():
+            try:
                 component.update()
+            except BaseException as ex:
+                log.exception(ex)
+
 
 _ComponentRegistry = ComponentRegistry()
 
@@ -388,17 +473,18 @@ resume = _ComponentRegistry.resume
 update = _ComponentRegistry.update
 shutdown = _ComponentRegistry.shutdown
 
+
 def get(name):
-    """
-    Return a reference to a component.
+    """Return a reference to a component.
 
-    :param name: the Component name to get
-    :type name: string
+    Args:
+        name (str): The Component name to get.
 
-    :returns: the Component object
-    :rtype: object
+    Returns:
+        Component: The Component object.
 
-    :raises KeyError: if the Component does not exist
+    Raises:
+        KeyError: If the Component does not exist.
 
     """
     return _ComponentRegistry.components[name]

deluge/config.py

@@ -1,38 +1,11 @@
-#
-# config.py
+# -*- coding: utf-8 -*-
 #
 # Copyright (C) 2008 Andrew Resch <andrewresch@gmail.com>
 #
-# Deluge is free software.
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
 #
-# You may redistribute it and/or modify it under the terms of the
-# GNU General Public License, as published by the Free Software
-# Foundation; either version 3 of the License, or (at your option)
-# any later version.
-#
-# deluge is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with deluge.    If not, write to:
-# 	The Free Software Foundation, Inc.,
-# 	51 Franklin Street, Fifth Floor
-# 	Boston, MA  02110-1301, USA.
-#
-#    In addition, as a special exception, the copyright holders give
-#    permission to link the code of portions of this program with the OpenSSL
-#    library.
-#    You must obey the GNU General Public License in all respects for all of
-#    the code used other than OpenSSL. If you modify file(s) with this
-#    exception, you may extend this exception to your version of the file(s),
-#    but you are not obligated to do so. If you do not wish to do so, delete
-#    this exception statement from your version. If you delete this exception
-#    statement from all source files in the program, then also delete it here.
-#
-#
-
 
 """
 Deluge Config Module
@@ -66,93 +39,106 @@ this can only be done for the 'config file version' and not for the 'format'
 version as this will be done internally.
 
 """
+from __future__ import unicode_literals
 
-import cPickle as pickle
-import shutil
+import json
+import logging
 import os
+import shutil
+from codecs import getwriter
+from io import open
+from tempfile import NamedTemporaryFile
 
-import deluge.common
-from deluge.log import LOG as log
+import six.moves.cPickle as pickle  # noqa: N813
+
+from deluge.common import JSON_FORMAT, get_default_config_dir
+
+log = logging.getLogger(__name__)
+callLater = None  # noqa: N816 Necessary for the config tests
 
-json = deluge.common.json
 
 def prop(func):
     """Function decorator for defining property attributes
 
     The decorated function is expected to return a dictionary
     containing one or more of the following pairs:
+
         fget - function for getting attribute value
         fset - function for setting attribute value
         fdel - function for deleting attribute
+
     This can be conveniently constructed by the locals() builtin
     function; see:
     http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/205183
     """
     return property(doc=func.__doc__, **func())
 
-def find_json_objects(s):
-    """
-    Find json objects in a string.
 
-    :param s: the string to find json objects in
-    :type s: string
+def find_json_objects(text, decoder=json.JSONDecoder()):
+    """Find json objects in text.
+
+    Args:
+        text (str): The text to find json objects within.
+
+    Returns:
+        list: A list of tuples containing start and end locations of json
+            objects in the text. e.g. [(start, end), ...]
 
-    :returns: a list of tuples containing start and end locations of json objects in the string `s`
-    :rtype: [(start, end), ...]
 
     """
     objects = []
-    opens = 0
-    start = s.find("{")
-    offset = start
+    offset = 0
+    while True:
+        try:
+            start = text.index('{', offset)
+        except ValueError:
+            break
 
-    if start < 0:
-        return []
-
-    for index, c in enumerate(s[offset:]):
-        if c == "{":
-            opens += 1
-        elif c == "}":
-            opens -= 1
-            if opens == 0:
-                objects.append((start, index+offset+1))
-                start = index + offset + 1
+        try:
+            __, index = decoder.raw_decode(text[start:])
+        except json.decoder.JSONDecodeError:
+            offset = start + 1
+        else:
+            offset = start + index
+            objects.append((start, offset))
 
     return objects
 
 
 class Config(object):
-    """
-    This class is used to access/create/modify config files
+    """This class is used to access/create/modify config files.
 
-    :param filename: the name of the config file
-    :param defaults: dictionary of default values
-    :param config_dir: the path to the config directory
+    Args:
+        filename (str): The config filename.
+        defaults (dict): The default config values to insert before loading the config file.
+        config_dir (str): the path to the config directory.
+        file_version (int): The file format for the default config values when creating
+            a fresh config. This value should be increased whenever a new migration function is
+            setup to convert old config files. (default: 1)
 
     """
-    def __init__(self, filename, defaults=None, config_dir=None):
+
+    def __init__(self, filename, defaults=None, config_dir=None, file_version=1):
         self.__config = {}
         self.__set_functions = {}
         self.__change_callbacks = []
 
         # These hold the version numbers and they will be set when loaded
-        self.__version = {
-            "format": 1,
-            "file": 1
-        }
+        self.__version = {'format': 1, 'file': file_version}
 
         # This will get set with a reactor.callLater whenever a config option
         # is set.
         self._save_timer = None
 
         if defaults:
-            self.__config = dict(defaults)
+            for key, value in defaults.items():
+                self.set_item(key, value)
 
         # Load the config from file in the config_dir
         if config_dir:
             self.__config_file = os.path.join(config_dir, filename)
         else:
-            self.__config_file = deluge.common.get_default_config_dir(filename)
+            self.__config_file = get_default_config_dir(filename)
 
         self.load()
 
@@ -160,107 +146,182 @@ class Config(object):
         return item in self.__config
 
     def __setitem__(self, key, value):
-        """
-        See
-        :meth:`set_item`
-        """
+        """See set_item"""
 
         return self.set_item(key, value)
 
     def set_item(self, key, value):
-        """
-        Sets item 'key' to 'value' in the config dictionary, but does not allow
-        changing the item's type unless it is None.  If the types do not match,
-        it will attempt to convert it to the set type before raising a ValueError.
+        """Sets item 'key' to 'value' in the config dictionary.
 
-        :param key: string, item to change to change
-        :param value: the value to change item to, must be same type as what is currently in the config
+        Does not allow changing the item's type unless it is None.
 
-        :raises ValueError: raised when the type of value is not the same as\
-what is currently in the config and it could not convert the value
+        If the types do not match, it will attempt to convert it to the
+        set type before raising a ValueError.
 
-        **Usage**
+        Args:
+            key (str): Item to change to change.
+            value (any): The value to change item to, must be same type as what is
+                currently in the config.
 
-        >>> config = Config("test.conf")
-        >>> config["test"] = 5
-        >>> config["test"]
+        Raises:
+            ValueError: Raised when the type of value is not the same as what is
+                currently in the config and it could not convert the value.
+
+        Examples:
+            >>> config = Config('test.conf')
+            >>> config['test'] = 5
+            >>> config['test']
             5
 
         """
-        if not self.__config.has_key(key):
+        if key not in self.__config:
             self.__config[key] = value
-            log.debug("Setting '%s' to %s of %s", key, value, type(value))
+            log.debug('Setting key "%s" to: %s (of type: %s)', key, value, type(value))
             return
 
         if self.__config[key] == value:
             return
 
-        # Do not allow the type to change unless it is None
-        oldtype, newtype = type(self.__config[key]), type(value)
-
-        if value is not None and oldtype != type(None) and oldtype != newtype:
+        # Change the value type if it is not None and does not match.
+        type_match = isinstance(self.__config[key], (type(None), type(value)))
+        if value is not None and not type_match:
             try:
+                oldtype = type(self.__config[key])
+                # Don't convert to bytes as requires encoding and value will
+                # be decoded anyway.
+                if oldtype is not bytes:
                     value = oldtype(value)
             except ValueError:
-                log.warning("Type '%s' invalid for '%s'", newtype, key)
+                log.warning('Value Type "%s" invalid for key: %s', type(value), key)
                 raise
 
-        log.debug("Setting '%s' to %s of %s", key, value, type(value))
+        if isinstance(value, bytes):
+            value = value.decode('utf8')
 
+        log.debug('Setting key "%s" to: %s (of type: %s)', key, value, type(value))
         self.__config[key] = value
+
+        global callLater
+        if callLater is None:
+            # Must import here and not at the top or it will throw ReactorAlreadyInstalledError
+            from twisted.internet.reactor import (  # pylint: disable=redefined-outer-name
+                callLater,
+            )
         # Run the set_function for this key if any
-        from twisted.internet import reactor
         try:
             for func in self.__set_functions[key]:
-                reactor.callLater(0, func, key, value)
+                callLater(0, func, key, value)
         except KeyError:
             pass
         try:
+
             def do_change_callbacks(key, value):
                 for func in self.__change_callbacks:
                     func(key, value)
-            reactor.callLater(0, do_change_callbacks, key, value)
-        except:
+
+            callLater(0, do_change_callbacks, key, value)
+        except Exception:
             pass
 
         # We set the save_timer for 5 seconds if not already set
         if not self._save_timer or not self._save_timer.active():
-            self._save_timer = reactor.callLater(5, self.save)
+            self._save_timer = callLater(5, self.save)
 
     def __getitem__(self, key):
-        """
-        See
-        :meth:`get_item`
-        """
+        """See get_item """
         return self.get_item(key)
 
     def get_item(self, key):
-        """
-        Gets the value of item 'key'
+        """Gets the value of item 'key'.
 
-        :param key: the item for which you want it's value
-        :return: the value of item 'key'
+        Args:
+            key (str): The item for which you want it's value.
 
-        :raises KeyError: if 'key' is not in the config dictionary
+        Returns:
+            any: The value of item 'key'.
 
-        **Usage**
+        Raises:
+            ValueError: If 'key' is not in the config dictionary.
 
-        >>> config = Config("test.conf", defaults={"test": 5})
-        >>> config["test"]
+        Examples:
+            >>> config = Config('test.conf', defaults={'test': 5})
+            >>> config['test']
             5
 
         """
         return self.__config[key]
 
-    def register_change_callback(self, callback):
+    def get(self, key, default=None):
+        """Gets the value of item 'key' if key is in the config, else default.
+
+        If default is not given, it defaults to None, so that this method
+        never raises a KeyError.
+
+        Args:
+            key (str): the item for which you want it's value
+            default (any): the default value if key is missing
+
+        Returns:
+            any: The value of item 'key' or default.
+
+        Examples:
+            >>> config = Config('test.conf', defaults={'test': 5})
+            >>> config.get('test', 10)
+            5
+            >>> config.get('bad_key', 10)
+            10
+
         """
-        Registers a callback function that will be called when a value is changed in the config dictionary
+        try:
+            return self.get_item(key)
+        except KeyError:
+            return default
 
-        :param callback: the function, callback(key, value)
+    def __delitem__(self, key):
+        """
+        See
+        :meth:`del_item`
+        """
+        self.del_item(key)
 
-        **Usage**
+    def del_item(self, key):
+        """Deletes item with a specific key from the configuration.
 
-        >>> config = Config("test.conf", defaults={"test": 5})
+        Args:
+            key (str): The item which you wish to delete.
+
+        Raises:
+            ValueError: If 'key' is not in the config dictionary.
+
+        Examples:
+            >>> config = Config('test.conf', defaults={'test': 5})
+            >>> del config['test']
+
+        """
+
+        del self.__config[key]
+
+        global callLater
+        if callLater is None:
+            # Must import here and not at the top or it will throw ReactorAlreadyInstalledError
+            from twisted.internet.reactor import (  # pylint: disable=redefined-outer-name
+                callLater,
+            )
+
+        # We set the save_timer for 5 seconds if not already set
+        if not self._save_timer or not self._save_timer.active():
+            self._save_timer = callLater(5, self.save)
+
+    def register_change_callback(self, callback):
+        """Registers a callback function for any changed value.
+
+        Will be called when any value is changed in the config dictionary.
+
+        Args:
+            callback (func): The function to call with parameters: f(key, value).
+
+        Examples:
+            >>> config = Config('test.conf', defaults={'test': 5})
             >>> def cb(key, value):
             ...     print key, value
             ...
@@ -270,24 +331,23 @@ what is currently in the config and it could not convert the value
         self.__change_callbacks.append(callback)
 
     def register_set_function(self, key, function, apply_now=True):
-        """
-        Register a function to be called when a config value changes
+        """Register a function to be called when a config value changes.
 
-        :param key: the item to monitor for change
-        :param function: the function to call when the value changes, f(key, value)
-        :keyword apply_now: if True, the function will be called after it's registered
+        Args:
+            key (str): The item to monitor for change.
+            function (func): The function to call when the value changes, f(key, value).
+            apply_now (bool): If True, the function will be called immediately after it's registered.
 
-        **Usage**
-
-        >>> config = Config("test.conf", defaults={"test": 5})
+        Examples:
+            >>> config = Config('test.conf', defaults={'test': 5})
             >>> def cb(key, value):
             ...     print key, value
             ...
-        >>> config.register_set_function("test", cb, apply_now=True)
+            >>> config.register_set_function('test', cb, apply_now=True)
             test 5
 
         """
-        log.debug("Registering function for %s key..", key)
+        log.debug('Registering function for %s key..', key)
         if key not in self.__set_functions:
             self.__set_functions[key] = []
 
@@ -299,52 +359,50 @@ what is currently in the config and it could not convert the value
         return
 
     def apply_all(self):
-        """
-        Calls all set functions
+        """Calls all set functions.
 
-        **Usage**
-
-        >>> config = Config("test.conf", defaults={"test": 5})
+        Examples:
+            >>> config = Config('test.conf', defaults={'test': 5})
             >>> def cb(key, value):
             ...     print key, value
             ...
-        >>> config.register_set_function("test", cb, apply_now=False)
+            >>> config.register_set_function('test', cb, apply_now=False)
             >>> config.apply_all()
             test 5
 
         """
-        log.debug("Calling all set functions..")
-        for key, value in self.__set_functions.iteritems():
+        log.debug('Calling all set functions..')
+        for key, value in self.__set_functions.items():
             for func in value:
                 func(key, self.__config[key])
 
     def apply_set_functions(self, key):
-        """
-        Calls set functions for `:param:key`.
+        """Calls set functions for `:param:key`.
 
-        :param key: str, the config key
+        Args:
+            key (str): the config key
 
         """
-        log.debug("Calling set functions for key %s..", key)
+        log.debug('Calling set functions for key %s..', key)
         if key in self.__set_functions:
             for func in self.__set_functions[key]:
                 func(key, self.__config[key])
 
     def load(self, filename=None):
-        """
-        Load a config file
-
-        :param filename: if None, uses filename set in object initialization
+        """Load a config file.
 
+        Args:
+            filename (str): If None, uses filename set in object initialization
 
         """
         if not filename:
             filename = self.__config_file
 
         try:
-            data = open(filename, "rb").read()
-        except IOError, e:
-            log.warning("Unable to open config file %s: %s", filename, e)
+            with open(filename, 'r', encoding='utf8') as _file:
+                data = _file.read()
+        except IOError as ex:
+            log.warning('Unable to open config file %s: %s', filename, ex)
             return
 
         objects = find_json_objects(data)
@@ -353,36 +411,42 @@ what is currently in the config and it could not convert the value
             # No json objects found, try depickling it
             try:
                 self.__config.update(pickle.loads(data))
-            except Exception, e:
-                log.exception(e)
-                log.warning("Unable to load config file: %s", filename)                
+            except Exception as ex:
+                log.exception(ex)
+                log.warning('Unable to load config file: %s', filename)
         elif len(objects) == 1:
             start, end = objects[0]
             try:
                 self.__config.update(json.loads(data[start:end]))
-            except Exception, e:
-                log.exception(e)
-                log.warning("Unable to load config file: %s", filename)                
+            except Exception as ex:
+                log.exception(ex)
+                log.warning('Unable to load config file: %s', filename)
         elif len(objects) == 2:
             try:
                 start, end = objects[0]
                 self.__version.update(json.loads(data[start:end]))
                 start, end = objects[1]
                 self.__config.update(json.loads(data[start:end]))
-            except Exception, e:
-                log.exception(e)
-                log.warning("Unable to load config file: %s", filename)                
+            except Exception as ex:
+                log.exception(ex)
+                log.warning('Unable to load config file: %s', filename)
 
-        log.debug("Config %s version: %s.%s loaded: %s", filename,
-            self.__version["format"], self.__version["file"], self.__config)
+        log.debug(
+            'Config %s version: %s.%s loaded: %s',
+            filename,
+            self.__version['format'],
+            self.__version['file'],
+            self.__config,
+        )
 
     def save(self, filename=None):
-        """
-        Save configuration to disk
+        """Save configuration to disk.
 
-        :param filename: if None, uses filename set in object initiliazation
-        :rtype bool:
-        :return: whether or not the save succeeded.
+        Args:
+            filename (str): If None, uses filename set in object initialization
+
+        Returns:
+            bool: Whether or not the save succeeded.
 
         """
         if not filename:
@@ -390,49 +454,53 @@ what is currently in the config and it could not convert the value
         # Check to see if the current config differs from the one on disk
         # We will only write a new config file if there is a difference
         try:
-            data = open(filename, "rb").read()
+            with open(filename, 'r', encoding='utf8') as _file:
+                data = _file.read()
             objects = find_json_objects(data)
             start, end = objects[0]
             version = json.loads(data[start:end])
             start, end = objects[1]
             loaded_data = json.loads(data[start:end])
-
             if self.__config == loaded_data and self.__version == version:
                 # The config has not changed so lets just return
+                if self._save_timer and self._save_timer.active():
                     self._save_timer.cancel()
-                return
-        except Exception, e:
-            log.warning("Unable to open config file: %s", filename)
-
-        
+                return True
+        except (IOError, IndexError) as ex:
+            log.warning('Unable to open config file: %s because: %s', filename, ex)
 
         # Save the new config and make sure it's written to disk
         try:
-            log.debug("Saving new config file %s", filename + ".new")
-            f = open(filename + ".new", "wb")
-            json.dump(self.__version, f, indent=2)            
-            json.dump(self.__config, f, indent=2)
-            f.flush()
-            os.fsync(f.fileno())
-            f.close()
-        except Exception, e:
-            log.error("Error writing new config file: %s", e)
+            with NamedTemporaryFile(
+                prefix=os.path.basename(filename) + '.', delete=False
+            ) as _file:
+                filename_tmp = _file.name
+                log.debug('Saving new config file %s', filename_tmp)
+                json.dump(self.__version, getwriter('utf8')(_file), **JSON_FORMAT)
+                json.dump(self.__config, getwriter('utf8')(_file), **JSON_FORMAT)
+                _file.flush()
+                os.fsync(_file.fileno())
+        except IOError as ex:
+            log.error('Error writing new config file: %s', ex)
             return False
 
+        # Resolve symlinked config files before backing up and saving.
+        filename = os.path.realpath(filename)
+
         # Make a backup of the old config
         try:
-            log.debug("Backing up old config file to %s~", filename)
-            shutil.move(filename, filename + "~")
-        except Exception, e:
-            log.error("Error backing up old config..")
+            log.debug('Backing up old config file to %s.bak', filename)
+            shutil.move(filename, filename + '.bak')
+        except IOError as ex:
+            log.warning('Unable to backup old config: %s', ex)
 
         # The new config file has been written successfully, so let's move it over
         # the existing one.
         try:
-            log.debug("Moving new config file %s to %s..", filename + ".new", filename)
-            shutil.move(filename + ".new", filename)
-        except Exception, e:
-            log.error("Error moving new config file: %s", e)
+            log.debug('Moving new config file %s to %s', filename_tmp, filename)
+            shutil.move(filename_tmp, filename)
+        except IOError as ex:
+            log.error('Error moving new config file: %s', ex)
             return False
         else:
             return True
@@ -441,36 +509,42 @@ what is currently in the config and it could not convert the value
                 self._save_timer.cancel()
 
     def run_converter(self, input_range, output_version, func):
-        """
-        Runs a function that will convert file versions in the `:param:input_range`
-        to the `:param:output_version`.
+        """Runs a function that will convert file versions.
 
-        :param input_range: tuple, (int, int) the range of input versions this
-            function will accept
-        :param output_version: int, the version this function will return
-        :param func: func, the function that will do the conversion, it will take
-            the config dict as an argument and return the augmented dict
+        Args:
+            input_range (tuple): (int, int) The range of input versions this function will accept.
+            output_version (int): The version this function will convert to.
+            func (func): The function that will do the conversion, it will take the config
+                dict as an argument and return the augmented dict.
 
-        :raises ValueError: if the output_version is less than the input_range
+        Raises:
+            ValueError: If output_version is less than the input_range.
 
         """
         if output_version in input_range or output_version <= max(input_range):
-            raise ValueError("output_version needs to be greater than input_range")
+            raise ValueError('output_version needs to be greater than input_range')
 
-        if self.__version["file"] not in input_range:
-            log.debug("File version %s is not in input_range %s, ignoring converter function..",
-                self.__version["file"], input_range)
+        if self.__version['file'] not in input_range:
+            log.debug(
+                'File version %s is not in input_range %s, ignoring converter function..',
+                self.__version['file'],
+                input_range,
+            )
             return
 
         try:
             self.__config = func(self.__config)
-        except Exception, e:
-            log.exception(e)
-            log.error("There was an exception try to convert config file %s %s to %s",
-                self.__config_file, self.__version["file"], output_version)
-            raise e
+        except Exception as ex:
+            log.exception(ex)
+            log.error(
+                'There was an exception try to convert config file %s %s to %s',
+                self.__config_file,
+                self.__version['file'],
+                output_version,
+            )
+            raise ex
         else:
-            self.__version["file"] = output_version
+            self.__version['file'] = output_version
             self.save()
 
     @property
@@ -478,10 +552,13 @@ what is currently in the config and it could not convert the value
         return self.__config_file
 
     @prop
-    def config():
+    def config():  # pylint: disable=no-method-argument
         """The config dictionary"""
+
         def fget(self):
             return self.__config
+
         def fdel(self):
             return self.save()
+
         return locals()

deluge/configmanager.py

@@ -1,47 +1,27 @@
-#
-# configmanager.py
+# -*- coding: utf-8 -*-
 #
 # Copyright (C) 2007 Andrew Resch <andrewresch@gmail.com>
 #
-# Deluge is free software.
-#
-# You may redistribute it and/or modify it under the terms of the
-# GNU General Public License, as published by the Free Software
-# Foundation; either version 3 of the License, or (at your option)
-# any later version.
-#
-# deluge is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with deluge.    If not, write to:
-# 	The Free Software Foundation, Inc.,
-# 	51 Franklin Street, Fifth Floor
-# 	Boston, MA  02110-1301, USA.
-#
-#    In addition, as a special exception, the copyright holders give
-#    permission to link the code of portions of this program with the OpenSSL
-#    library.
-#    You must obey the GNU General Public License in all respects for all of
-#    the code used other than OpenSSL. If you modify file(s) with this
-#    exception, you may extend this exception to your version of the file(s),
-#    but you are not obligated to do so. If you do not wish to do so, delete
-#    this exception statement from your version. If you delete this exception
-#    statement from all source files in the program, then also delete it here.
-#
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
 #
 
+from __future__ import unicode_literals
+
+import logging
 import os
 
 import deluge.common
-from deluge.log import LOG as log
+import deluge.log
 from deluge.config import Config
 
-class _ConfigManager:
+log = logging.getLogger(__name__)
+
+
+class _ConfigManager(object):
     def __init__(self):
-        log.debug("ConfigManager started..")
+        log.debug('ConfigManager started..')
         self.config_files = {}
         self.__config_directory = None
 
@@ -52,7 +32,6 @@ class _ConfigManager:
         return self.__config_directory
 
     def __del__(self):
-        log.debug("ConfigManager stopping..")
         del self.config_files
 
     def set_config_dir(self, directory):
@@ -67,16 +46,19 @@ class _ConfigManager:
         if not directory:
             return False
 
-        log.info("Setting config directory to: %s", directory)
+        # Ensure absolute dirpath
+        directory = os.path.abspath(directory)
+
+        log.info('Setting config directory to: %s', directory)
         if not os.path.exists(directory):
             # Try to create the config folder if it doesn't exist
             try:
                 os.makedirs(directory)
-            except Exception, e:
-                log.error("Unable to make config directory: %s", e)
+            except OSError as ex:
+                log.error('Unable to make config directory: %s', ex)
                 return False
         elif not os.path.isdir(directory):
-            log.error("Config directory needs to be a directory!")
+            log.error('Config directory needs to be a directory!')
             return False
 
         self.__config_directory = directory
@@ -86,6 +68,7 @@ class _ConfigManager:
         # to reload based on the new config directory
         self.save()
         self.config_files = {}
+        deluge.log.tweak_logging_levels()
 
         return True
 
@@ -106,30 +89,42 @@ class _ConfigManager:
         # We need to return True to keep the timer active
         return True
 
-    def get_config(self, config_file, defaults=None):
+    def get_config(self, config_file, defaults=None, file_version=1):
         """Get a reference to the Config object for this filename"""
-        log.debug("Getting config '%s'", config_file)
+        log.debug('Getting config: %s', config_file)
         # Create the config object if not already created
-        if config_file not in self.config_files.keys():
-            self.config_files[config_file] = Config(config_file, defaults, self.config_directory)
+        if config_file not in self.config_files:
+            self.config_files[config_file] = Config(
+                config_file,
+                defaults,
+                config_dir=self.config_directory,
+                file_version=file_version,
+            )
 
         return self.config_files[config_file]
 
+
 # Singleton functions
 _configmanager = _ConfigManager()
 
-def ConfigManager(config, defaults=None):
-    return _configmanager.get_config(config, defaults)
+
+def ConfigManager(config, defaults=None, file_version=1):  # NOQA: N802
+    return _configmanager.get_config(
+        config, defaults=defaults, file_version=file_version
+    )
+
 
 def set_config_dir(directory):
     """Sets the config directory, else just uses default"""
-    return _configmanager.set_config_dir(directory)
+    return _configmanager.set_config_dir(deluge.common.decode_bytes(directory))
+
 
 def get_config_dir(filename=None):
-    if filename != None:
+    if filename is not None:
         return os.path.join(_configmanager.get_config_dir(), filename)
     else:
         return _configmanager.get_config_dir()
 
+
 def close(config):
     return _configmanager.close(config)

deluge/core/alertmanager.py

@@ -1,35 +1,10 @@
-#
-# alertmanager.py
+# -*- coding: utf-8 -*-
 #
 # Copyright (C) 2007-2009 Andrew Resch <andrewresch@gmail.com>
 #
-# Deluge is free software.
-#
-# You may redistribute it and/or modify it under the terms of the
-# GNU General Public License, as published by the Free Software
-# Foundation; either version 3 of the License, or (at your option)
-# any later version.
-#
-# deluge is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with deluge.    If not, write to:
-# 	The Free Software Foundation, Inc.,
-# 	51 Franklin Street, Fifth Floor
-# 	Boston, MA  02110-1301, USA.
-#
-#    In addition, as a special exception, the copyright holders give
-#    permission to link the code of portions of this program with the OpenSSL
-#    library.
-#    You must obey the GNU General Public License in all respects for all of
-#    the code used other than OpenSSL. If you modify file(s) with this
-#    exception, you may extend this exception to your version of the file(s),
-#    but you are not obligated to do so. If you do not wish to do so, delete
-#    this exception statement from your version. If you delete this exception
-#    statement from all source files in the program, then also delete it here.
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
 #
 
 """
@@ -40,32 +15,54 @@ This should typically only be used by the Core.  Plugins should utilize the
 `:mod:EventManager` for similar functionality.
 
 """
+from __future__ import unicode_literals
+
+import logging
+import types
 
 from twisted.internet import reactor
 
 import deluge.component as component
 from deluge._libtorrent import lt
+from deluge.common import decode_bytes
+
+log = logging.getLogger(__name__)
+
+try:
+    SimpleNamespace = types.SimpleNamespace  # Python 3.3+
+except AttributeError:
+
+    class SimpleNamespace(object):  # Python 2.7
+        def __init__(self, **attr):
+            self.__dict__.update(attr)
 
-from deluge.log import LOG as log
 
 class AlertManager(component.Component):
-    def __init__(self):
-        log.debug("AlertManager initialized..")
-        component.Component.__init__(self, "AlertManager", interval=0.05)
-        self.session = component.get("Core").session
+    """AlertManager fetches and processes libtorrent alerts"""
 
-        self.session.set_alert_mask(
-            lt.alert.category_t.error_notification |
-            lt.alert.category_t.port_mapping_notification |
-            lt.alert.category_t.storage_notification |
-            lt.alert.category_t.tracker_notification |
-            lt.alert.category_t.status_notification |
-            lt.alert.category_t.ip_block_notification |
-            lt.alert.category_t.performance_warning)
+    def __init__(self):
+        log.debug('AlertManager init...')
+        component.Component.__init__(self, 'AlertManager', interval=0.3)
+        self.session = component.get('Core').session
+
+        # Increase the alert queue size so that alerts don't get lost.
+        self.alert_queue_size = 10000
+        self.set_alert_queue_size(self.alert_queue_size)
+
+        alert_mask = (
+            lt.alert.category_t.error_notification
+            | lt.alert.category_t.port_mapping_notification
+            | lt.alert.category_t.storage_notification
+            | lt.alert.category_t.tracker_notification
+            | lt.alert.category_t.status_notification
+            | lt.alert.category_t.ip_block_notification
+            | lt.alert.category_t.performance_warning
+        )
+
+        self.session.apply_settings({'alert_mask': alert_mask})
 
         # handlers is a dictionary of lists {"alert_type": [handler1,h2,..]}
         self.handlers = {}
-
         self.delayed_calls = []
 
     def update(self):
@@ -73,8 +70,9 @@ class AlertManager(component.Component):
         self.handle_alerts()
 
     def stop(self):
-        for dc in self.delayed_calls:
-            dc.cancel()
+        for delayed_call in self.delayed_calls:
+            if delayed_call.active():
+                delayed_call.cancel()
         self.delayed_calls = []
 
     def register_handler(self, alert_type, handler):
@@ -93,7 +91,7 @@ class AlertManager(component.Component):
 
         # Append the handler to the list in the handlers dictionary
         self.handlers[alert_type].append(handler)
-        log.debug("Registered handler for alert %s", alert_type)
+        log.debug('Registered handler for alert %s', alert_type)
 
     def deregister_handler(self, handler):
         """
@@ -102,31 +100,53 @@ class AlertManager(component.Component):
         :param handler: func, the handler function to deregister
         """
         # Iterate through all handlers and remove 'handler' where found
-        for (key, value) in self.handlers.items():
+        for (dummy_key, value) in self.handlers.items():
             if handler in value:
                 # Handler is in this alert type list
                 value.remove(handler)
 
-    def handle_alerts(self, wait=False):
+    def handle_alerts(self):
         """
-        Pops all libtorrent alerts in the session queue and handles them
-        appropriately.
+        Pops all libtorrent alerts in the session queue and handles them appropriately.
+        """
+        alerts = self.session.pop_alerts()
+        if not alerts:
+            return
+
+        num_alerts = len(alerts)
+        if log.isEnabledFor(logging.DEBUG):
+            log.debug('Alerts queued: %s', num_alerts)
+        if num_alerts > 0.9 * self.alert_queue_size:
+            log.warning(
+                'Warning total alerts queued, %s, passes 90%% of queue size.',
+                num_alerts,
+            )
 
-        :param wait: bool, if True then the handler functions will be run right
-            away and waited to return before processing the next alert
-        """
-        alert = self.session.pop_alert()
         # Loop through all alerts in the queue
-        while alert is not None:
+        for alert in alerts:
             alert_type = type(alert).__name__
             # Display the alert message
-            log.debug("%s: %s", alert_type, alert.message())
+            if log.isEnabledFor(logging.DEBUG):
+                log.debug('%s: %s', alert_type, decode_bytes(alert.message()))
             # Call any handlers for this alert type
             if alert_type in self.handlers:
                 for handler in self.handlers[alert_type]:
-                    if not wait:
-                        self.delayed_calls.append(reactor.callLater(0, handler, alert))
-                    else:
-                        handler(alert)
+                    if log.isEnabledFor(logging.DEBUG):
+                        log.debug('Handling alert: %s', alert_type)
+                    # Copy alert attributes
+                    alert_copy = SimpleNamespace(
+                        **{
+                            attr: getattr(alert, attr)
+                            for attr in dir(alert)
+                            if not attr.startswith('__')
+                        }
+                    )
+                    self.delayed_calls.append(reactor.callLater(0, handler, alert_copy))
 
-            alert = self.session.pop_alert()
+    def set_alert_queue_size(self, queue_size):
+        """Sets the maximum size of the libtorrent alert queue"""
+        log.info('Alert Queue Size set to %s', queue_size)
+        self.alert_queue_size = queue_size
+        component.get('Core').apply_session_setting(
+            'alert_queue_size', self.alert_queue_size
+        )

deluge/core/authmanager.py

@@ -1,62 +1,72 @@
-#
-# authmanager.py
+# -*- coding: utf-8 -*-
 #
 # Copyright (C) 2009 Andrew Resch <andrewresch@gmail.com>
+# Copyright (C) 2011 Pedro Algarvio <pedro@algarvio.me>
 #
-# Deluge is free software.
-#
-# You may redistribute it and/or modify it under the terms of the
-# GNU General Public License, as published by the Free Software
-# Foundation; either version 3 of the License, or (at your option)
-# any later version.
-#
-# deluge is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with deluge.    If not, write to:
-# 	The Free Software Foundation, Inc.,
-# 	51 Franklin Street, Fifth Floor
-# 	Boston, MA  02110-1301, USA.
-#
-#    In addition, as a special exception, the copyright holders give
-#    permission to link the code of portions of this program with the OpenSSL
-#    library.
-#    You must obey the GNU General Public License in all respects for all of
-#    the code used other than OpenSSL. If you modify file(s) with this
-#    exception, you may extend this exception to your version of the file(s),
-#    but you are not obligated to do so. If you do not wish to do so, delete
-#    this exception statement from your version. If you delete this exception
-#    statement from all source files in the program, then also delete it here.
-#
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
 #
 
+from __future__ import unicode_literals
+
+import logging
 import os
-import random
-import stat
+import shutil
+from io import open
 
 import deluge.component as component
 import deluge.configmanager as configmanager
-import deluge.error
+from deluge.common import (
+    AUTH_LEVEL_ADMIN,
+    AUTH_LEVEL_DEFAULT,
+    AUTH_LEVEL_NONE,
+    AUTH_LEVEL_NORMAL,
+    AUTH_LEVEL_READONLY,
+    create_localclient_account,
+)
+from deluge.error import AuthenticationRequired, AuthManagerError, BadLoginError
 
-from deluge.log import LOG as log
+log = logging.getLogger(__name__)
 
-AUTH_LEVEL_NONE = 0
-AUTH_LEVEL_READONLY = 1
-AUTH_LEVEL_NORMAL = 5
-AUTH_LEVEL_ADMIN = 10
+AUTH_LEVELS_MAPPING = {
+    'NONE': AUTH_LEVEL_NONE,
+    'READONLY': AUTH_LEVEL_READONLY,
+    'DEFAULT': AUTH_LEVEL_NORMAL,
+    'NORMAL': AUTH_LEVEL_DEFAULT,
+    'ADMIN': AUTH_LEVEL_ADMIN,
+}
+AUTH_LEVELS_MAPPING_REVERSE = {v: k for k, v in AUTH_LEVELS_MAPPING.items()}
 
-AUTH_LEVEL_DEFAULT = AUTH_LEVEL_NORMAL
 
-class BadLoginError(deluge.error.DelugeError):
-    pass
+class Account(object):
+    __slots__ = ('username', 'password', 'authlevel')
+
+    def __init__(self, username, password, authlevel):
+        self.username = username
+        self.password = password
+        self.authlevel = authlevel
+
+    def data(self):
+        return {
+            'username': self.username,
+            'password': self.password,
+            'authlevel': AUTH_LEVELS_MAPPING_REVERSE[self.authlevel],
+            'authlevel_int': self.authlevel,
+        }
+
+    def __repr__(self):
+        return '<Account username="%(username)s" authlevel=%(authlevel)s>' % {
+            'username': self.username,
+            'authlevel': self.authlevel,
+        }
+
 
 class AuthManager(component.Component):
     def __init__(self):
-        component.Component.__init__(self, "AuthManager")
+        component.Component.__init__(self, 'AuthManager', interval=10)
         self.__auth = {}
+        self.__auth_modification_time = None
 
     def start(self):
         self.__load_auth_file()
@@ -67,80 +77,213 @@ class AuthManager(component.Component):
     def shutdown(self):
         pass
 
+    def update(self):
+        auth_file = configmanager.get_config_dir('auth')
+        # Check for auth file and create if necessary
+        if not os.path.isfile(auth_file):
+            log.info('Authfile not found, recreating it.')
+            self.__load_auth_file()
+            return
+
+        auth_file_modification_time = os.stat(auth_file).st_mtime
+        if self.__auth_modification_time != auth_file_modification_time:
+            log.info('Auth file changed, reloading it!')
+            self.__load_auth_file()
+
     def authorize(self, username, password):
-        """
-        Authorizes users based on username and password
+        """Authorizes users based on username and password.
 
-        :param username: str, username
-        :param password: str, password
-        :returns: int, the auth level for this user
-        :rtype: int
+        Args:
+            username (str): Username
+            password (str): Password
 
-        :raises BadLoginError: if the username does not exist or password does not match
+        Returns:
+            int: The auth level for this user.
+
+        Raises:
+            AuthenticationRequired: If additional details are required to authenticate.
+            BadLoginError: If the username does not exist or password does not match.
 
         """
+        if not username:
+            raise AuthenticationRequired(
+                'Username and Password are required.', username
+            )
 
         if username not in self.__auth:
             # Let's try to re-load the file.. Maybe it's been updated
             self.__load_auth_file()
             if username not in self.__auth:
-                raise BadLoginError("Username does not exist")
+                raise BadLoginError('Username does not exist', username)
 
-        if self.__auth[username][0] == password:
+        if self.__auth[username].password == password:
             # Return the users auth level
-            return int(self.__auth[username][1])
+            return self.__auth[username].authlevel
+        elif not password and self.__auth[username].password:
+            raise AuthenticationRequired('Password is required', username)
         else:
-            raise BadLoginError("Password does not match")
+            raise BadLoginError('Password does not match', username)
 
-    def __create_localclient_account(self):
-        """
-        Returns the string.
-        """
-        # We create a 'localclient' account with a random password
+    def has_account(self, username):
+        return username in self.__auth
+
+    def get_known_accounts(self):
+        """Returns a list of known deluge usernames."""
+        self.__load_auth_file()
+        return [account.data() for account in self.__auth.values()]
+
+    def create_account(self, username, password, authlevel):
+        if username in self.__auth:
+            raise AuthManagerError('Username in use.', username)
+        if authlevel not in AUTH_LEVELS_MAPPING:
+            raise AuthManagerError('Invalid auth level: %s' % authlevel)
         try:
-            from hashlib import sha1 as sha_hash
-        except ImportError:
-            from sha import new as sha_hash
-        return "localclient:" + sha_hash(str(random.random())).hexdigest() + ":" + str(AUTH_LEVEL_ADMIN) + "\n"
+            self.__auth[username] = Account(
+                username, password, AUTH_LEVELS_MAPPING[authlevel]
+            )
+            self.write_auth_file()
+            return True
+        except Exception as ex:
+            log.exception(ex)
+            raise ex
+
+    def update_account(self, username, password, authlevel):
+        if username not in self.__auth:
+            raise AuthManagerError('Username not known', username)
+        if authlevel not in AUTH_LEVELS_MAPPING:
+            raise AuthManagerError('Invalid auth level: %s' % authlevel)
+        try:
+            self.__auth[username].username = username
+            self.__auth[username].password = password
+            self.__auth[username].authlevel = AUTH_LEVELS_MAPPING[authlevel]
+            self.write_auth_file()
+            return True
+        except Exception as ex:
+            log.exception(ex)
+            raise ex
+
+    def remove_account(self, username):
+        if username not in self.__auth:
+            raise AuthManagerError('Username not known', username)
+        elif username == component.get('RPCServer').get_session_user():
+            raise AuthManagerError(
+                'You cannot delete your own account while logged in!', username
+            )
+
+        del self.__auth[username]
+        self.write_auth_file()
+        return True
+
+    def write_auth_file(self):
+        filename = 'auth'
+        filepath = os.path.join(configmanager.get_config_dir(), filename)
+        filepath_bak = filepath + '.bak'
+        filepath_tmp = filepath + '.tmp'
+
+        try:
+            if os.path.isfile(filepath):
+                log.debug('Creating backup of %s at: %s', filename, filepath_bak)
+                shutil.copy2(filepath, filepath_bak)
+        except IOError as ex:
+            log.error('Unable to backup %s to %s: %s', filepath, filepath_bak, ex)
+        else:
+            log.info('Saving the %s at: %s', filename, filepath)
+            try:
+                with open(filepath_tmp, 'w', encoding='utf8') as _file:
+                    for account in self.__auth.values():
+                        _file.write(
+                            '%(username)s:%(password)s:%(authlevel_int)s\n'
+                            % account.data()
+                        )
+                    _file.flush()
+                    os.fsync(_file.fileno())
+                shutil.move(filepath_tmp, filepath)
+            except IOError as ex:
+                log.error('Unable to save %s: %s', filename, ex)
+                if os.path.isfile(filepath_bak):
+                    log.info('Restoring backup of %s from: %s', filename, filepath_bak)
+                    shutil.move(filepath_bak, filepath)
+
+        self.__load_auth_file()
 
     def __load_auth_file(self):
-        auth_file = configmanager.get_config_dir("auth")
-        # Check for auth file and create if necessary
-        if not os.path.exists(auth_file):
-            localclient = self.__create_localclient_account()
-            fd = open(auth_file, "w")
-            fd.write(localclient)
-            fd.flush()
-            os.fsync(fd.fileno())
-            fd.close()
-            # Change the permissions on the file so only this user can read/write it
-            os.chmod(auth_file, stat.S_IREAD | stat.S_IWRITE)
-            f = [localclient]
-        else:
-            # Load the auth file into a dictionary: {username: password, ...}
-            f = open(auth_file, "r").readlines()
+        save_and_reload = False
+        filename = 'auth'
+        auth_file = configmanager.get_config_dir(filename)
+        auth_file_bak = auth_file + '.bak'
 
-        for line in f:
-            if line.startswith("#"):
-                # This is a comment line
-                continue
-            line = line.strip()
+        # Check for auth file and create if necessary
+        if not os.path.isfile(auth_file):
+            create_localclient_account()
+            return self.__load_auth_file()
+
+        auth_file_modification_time = os.stat(auth_file).st_mtime
+        if self.__auth_modification_time is None:
+            self.__auth_modification_time = auth_file_modification_time
+        elif self.__auth_modification_time == auth_file_modification_time:
+            # File didn't change, no need for re-parsing's
+            return
+
+        for _filepath in (auth_file, auth_file_bak):
+            log.info('Opening %s for load: %s', filename, _filepath)
             try:
-                lsplit = line.split(":")
-            except Exception, e:
-                log.error("Your auth file is malformed: %s", e)
+                with open(_filepath, 'r', encoding='utf8') as _file:
+                    file_data = _file.readlines()
+            except IOError as ex:
+                log.warning('Unable to load %s: %s', _filepath, ex)
+                file_data = []
+            else:
+                log.info('Successfully loaded %s: %s', filename, _filepath)
+                break
+
+        # Load the auth file into a dictionary: {username: Account(...)}
+        for line in file_data:
+            line = line.strip()
+            if line.startswith('#') or not line:
+                # This line is a comment or empty
                 continue
+            lsplit = line.split(':')
             if len(lsplit) == 2:
                 username, password = lsplit
-                log.warning("Your auth entry for %s contains no auth level, using AUTH_LEVEL_DEFAULT(%s)..", username, AUTH_LEVEL_DEFAULT)
-                level = AUTH_LEVEL_DEFAULT
-            elif len(lsplit) == 3:
-                username, password, level = lsplit
+                log.warning(
+                    'Your auth entry for %s contains no auth level, '
+                    'using AUTH_LEVEL_DEFAULT(%s)..',
+                    username,
+                    AUTH_LEVEL_DEFAULT,
+                )
+                if username == 'localclient':
+                    authlevel = AUTH_LEVEL_ADMIN
                 else:
-                log.error("Your auth file is malformed: Incorrect number of fields!")
+                    authlevel = AUTH_LEVEL_DEFAULT
+                # This is probably an old auth file
+                save_and_reload = True
+            elif len(lsplit) == 3:
+                username, password, authlevel = lsplit
+            else:
+                log.error('Your auth file is malformed: Incorrect number of fields!')
                 continue
 
-            self.__auth[username.strip()] = (password.strip(), level)
+            username = username.strip()
+            password = password.strip()
+            try:
+                authlevel = int(authlevel)
+            except ValueError:
+                try:
+                    authlevel = AUTH_LEVELS_MAPPING[authlevel]
+                except KeyError:
+                    log.error(
+                        'Your auth file is malformed: %r is not a valid auth level',
+                        authlevel,
+                    )
+                continue
 
-        if "localclient" not in self.__auth:
-            open(auth_file, "a").write(self.__create_localclient_account())
+            self.__auth[username] = Account(username, password, authlevel)
+
+        if 'localclient' not in self.__auth:
+            create_localclient_account(True)
+            return self.__load_auth_file()
+
+        if save_and_reload:
+            log.info('Re-writing auth file (upgrade)')
+            self.write_auth_file()
+        self.__auth_modification_time = auth_file_modification_time

deluge/core/autoadd.py

@@ -1,135 +0,0 @@
-#
-# autoadd.py
-#
-# Copyright (C) 2008 Andrew Resch <andrewresch@gmail.com>
-#
-# Deluge is free software.
-#
-# You may redistribute it and/or modify it under the terms of the
-# GNU General Public License, as published by the Free Software
-# Foundation; either version 3 of the License, or (at your option)
-# any later version.
-#
-# deluge is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with deluge.    If not, write to:
-# 	The Free Software Foundation, Inc.,
-# 	51 Franklin Street, Fifth Floor
-# 	Boston, MA  02110-1301, USA.
-#
-#    In addition, as a special exception, the copyright holders give
-#    permission to link the code of portions of this program with the OpenSSL
-#    library.
-#    You must obey the GNU General Public License in all respects for all of
-#    the code used other than OpenSSL. If you modify file(s) with this
-#    exception, you may extend this exception to your version of the file(s),
-#    but you are not obligated to do so. If you do not wish to do so, delete
-#    this exception statement from your version. If you delete this exception
-#    statement from all source files in the program, then also delete it here.
-#
-#
-
-
-import os
-
-from deluge._libtorrent import lt
-
-import deluge.component as component
-from deluge.configmanager import ConfigManager
-from deluge.log import LOG as log
-
-MAX_NUM_ATTEMPTS = 10
-
-class AutoAdd(component.Component):
-    def __init__(self):
-        component.Component.__init__(self, "AutoAdd", depend=["TorrentManager"], interval=5)
-        # Get the core config
-        self.config = ConfigManager("core.conf")
-
-        # A list of filenames
-        self.invalid_torrents = []
-        # Filename:Attempts
-        self.attempts = {}
-
-        # Register set functions
-        self.config.register_set_function("autoadd_enable",
-            self._on_autoadd_enable, apply_now=True)
-        self.config.register_set_function("autoadd_location",
-            self._on_autoadd_location)
-
-    def update(self):
-        if not self.config["autoadd_enable"]:
-            # We shouldn't be updating because autoadd is not enabled
-            component.pause("AutoAdd")
-            return
-
-        # Check the auto add folder for new torrents to add
-        if not os.path.isdir(self.config["autoadd_location"]):
-            log.warning("Invalid AutoAdd folder: %s", self.config["autoadd_location"])
-            component.pause("AutoAdd")
-            return
-
-        for filename in os.listdir(self.config["autoadd_location"]):
-            if filename.split(".")[-1] == "torrent":
-                try:
-                    filepath = os.path.join(self.config["autoadd_location"], filename)
-                except UnicodeDecodeError, e:
-                    log.error("Unable to auto add torrent due to inproper filename encoding: %s", e)
-                    continue
-                try:
-                    filedump = self.load_torrent(filepath)
-                except (RuntimeError, Exception), e:
-                    # If the torrent is invalid, we keep track of it so that we
-                    # can try again on the next pass.  This is because some
-                    # torrents may not be fully saved during the pass.
-                    log.debug("Torrent is invalid: %s", e)
-                    if filename in self.invalid_torrents:
-                        self.attempts[filename] += 1
-                        if self.attempts[filename] >= MAX_NUM_ATTEMPTS:
-                            os.rename(filepath, filepath + ".invalid")
-                            del self.attempts[filename]
-                            self.invalid_torrents.remove(filename)
-                    else:
-                        self.invalid_torrents.append(filename)
-                        self.attempts[filename] = 1
-                    continue
-
-                # The torrent looks good, so lets add it to the session
-                component.get("TorrentManager").add(filedump=filedump, filename=filename)
-
-                os.remove(filepath)
-
-    def load_torrent(self, filename):
-        try:
-            log.debug("Attempting to open %s for add.", filename)
-            _file = open(filename, "rb")
-            filedump = _file.read()
-            if not filedump:
-                raise RuntimeError, "Torrent is 0 bytes!"
-            _file.close()
-        except IOError, e:
-            log.warning("Unable to open %s: %s", filename, e)
-            raise e
-
-        # Get the info to see if any exceptions are raised
-        info = lt.torrent_info(lt.bdecode(filedump))
-
-        return filedump
-
-    def _on_autoadd_enable(self, key, value):
-        log.debug("_on_autoadd_enable")
-        if value:
-            component.resume("AutoAdd")
-        else:
-            component.pause("AutoAdd")
-
-    def _on_autoadd_location(self, key, value):
-        log.debug("_on_autoadd_location")
-        # We need to resume the component just incase it was paused due to
-        # an invalid autoadd location.
-        if self.config["autoadd_enable"]:
-            component.resume("AutoAdd")

deluge/core/daemon.py

@@ -1,206 +1,206 @@
-#
-# daemon.py
+# -*- coding: utf-8 -*-
 #
 # Copyright (C) 2007-2009 Andrew Resch <andrewresch@gmail.com>
 #
-# Deluge is free software.
-#
-# You may redistribute it and/or modify it under the terms of the
-# GNU General Public License, as published by the Free Software
-# Foundation; either version 3 of the License, or (at your option)
-# any later version.
-#
-# deluge is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with deluge.    If not, write to:
-# 	The Free Software Foundation, Inc.,
-# 	51 Franklin Street, Fifth Floor
-# 	Boston, MA  02110-1301, USA.
-#
-#    In addition, as a special exception, the copyright holders give
-#    permission to link the code of portions of this program with the OpenSSL
-#    library.
-#    You must obey the GNU General Public License in all respects for all of
-#    the code used other than OpenSSL. If you modify file(s) with this
-#    exception, you may extend this exception to your version of the file(s),
-#    but you are not obligated to do so. If you do not wish to do so, delete
-#    this exception statement from your version. If you delete this exception
-#    statement from all source files in the program, then also delete it here.
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
 #
 
+"""The Deluge daemon"""
+from __future__ import unicode_literals
+
+import logging
 import os
-import gettext
-import locale
-import pkg_resources
+import socket
+
 from twisted.internet import reactor
-import twisted.internet.error
 
 import deluge.component as component
-import deluge.configmanager
-import deluge.common
+from deluge.common import get_version, is_ip, is_process_running, windows_check
+from deluge.configmanager import get_config_dir
+from deluge.core.core import Core
 from deluge.core.rpcserver import RPCServer, export
-from deluge.log import LOG as log
-import deluge.error
+from deluge.error import DaemonRunningError
+
+if windows_check():
+    from win32api import SetConsoleCtrlHandler
+    from win32con import CTRL_CLOSE_EVENT, CTRL_SHUTDOWN_EVENT
+
+log = logging.getLogger(__name__)
+
+
+def is_daemon_running(pid_file):
+    """
+    Check for another running instance of the daemon using the same pid file.
+
+    Args:
+        pid_file: The location of the file with pid, port values.
+
+    Returns:
+        bool: True is daemon is running, False otherwise.
+
+    """
 
-class Daemon(object):
-    def __init__(self, options=None, args=None, classic=False):
-        # Check for another running instance of the daemon
-        if os.path.isfile(deluge.configmanager.get_config_dir("deluged.pid")):
-            # Get the PID and the port of the supposedly running daemon
     try:
-                (pid, port) = open(deluge.configmanager.get_config_dir("deluged.pid")).read().strip().split(";")
-                pid = int(pid)
-                port = int(port)
-            except ValueError:
-                pid = None
-                port = None
+        with open(pid_file) as _file:
+            pid, port = [int(x) for x in _file.readline().strip().split(';')]
+    except (EnvironmentError, ValueError):
+        return False
 
-
-            def process_running(pid):
-                if deluge.common.windows_check():
-                    # Do some fancy WMI junk to see if the PID exists in Windows
-                    from win32com.client import GetObject
-                    def get_proclist():
-                        WMI = GetObject('winmgmts:')
-                        processes = WMI.InstancesOf('Win32_Process')
-                        return [process.Properties_('ProcessID').Value for process in processes]
-                    return pid in get_proclist()
-                else:
-                    # We can just use os.kill on UNIX to test if the process is running
+    if is_process_running(pid):
+        # Ensure it's a deluged process by trying to open a socket to it's port.
+        _socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
         try:
-                        os.kill(pid, 0)
-                    except OSError:
+            _socket.connect(('127.0.0.1', port))
+        except socket.error:
+            # Can't connect, so pid is not a deluged process.
             return False
         else:
+            # This is a deluged process!
+            _socket.close()
             return True
 
-            if pid is not None and process_running(pid):
-                # Ok, so a process is running with this PID, let's make doubly-sure
-                # it's a deluged process by trying to open a socket to it's port.
-                import socket
-                s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-                try:
-                    s.connect(("127.0.0.1", port))
-                except socket.error:
-                    # Can't connect, so it must not be a deluged process..
-                    pass
-                else:
-                    # This is a deluged!
-                    s.close()
-                    raise deluge.error.DaemonRunningError("There is a deluge daemon running with this config directory!")
 
-        # Initialize gettext
-        try:
-            locale.setlocale(locale.LC_ALL, '')
-            if hasattr(locale, "bindtextdomain"):
-                locale.bindtextdomain("deluge", pkg_resources.resource_filename("deluge", "i18n"))
-            if hasattr(locale, "textdomain"):
-                locale.textdomain("deluge")
-            gettext.bindtextdomain("deluge", pkg_resources.resource_filename("deluge", "i18n"))
-            gettext.textdomain("deluge")
-            gettext.install("deluge", pkg_resources.resource_filename("deluge", "i18n"))
-        except Exception, e:
-            log.error("Unable to initialize gettext/locale: %s", e)
-            import __builtin__
-            __builtin__.__dict__["_"] = lambda x: x
+class Daemon(object):
+    """The Deluge Daemon class"""
 
-        # Twisted catches signals to terminate, so just have it call the shutdown
-        # method.
-        reactor.addSystemEventTrigger("after", "shutdown", self.shutdown)
+    def __init__(
+        self,
+        listen_interface=None,
+        outgoing_interface=None,
+        interface=None,
+        port=None,
+        standalone=False,
+        read_only_config_keys=None,
+    ):
+        """
+        Args:
+            listen_interface (str, optional): The IP address to listen to
+                BitTorrent connections on.
+            outgoing_interface (str, optional): The network interface name or
+                IP address to open outgoing BitTorrent connections on.
+            interface (str, optional): The IP address the daemon will
+                listen for UI connections on.
+            port (int, optional): The port the daemon will listen for UI
+                connections on.
+            standalone (bool, optional): If True the client is in Standalone
+                mode otherwise, if False, start the daemon as separate process.
+            read_only_config_keys (list of str, optional): A list of config
+                keys that will not be altered by core.set_config() RPC method.
+        """
+        self.standalone = standalone
+        self.pid_file = get_config_dir('deluged.pid')
+        log.info('Deluge daemon %s', get_version())
+        if is_daemon_running(self.pid_file):
+            raise DaemonRunningError(
+                'Deluge daemon already running with this config directory!'
+            )
+
+        # Twisted catches signals to terminate, so just have it call the shutdown method.
+        reactor.addSystemEventTrigger('before', 'shutdown', self._shutdown)
 
         # Catch some Windows specific signals
-        if deluge.common.windows_check():
-            from win32api import SetConsoleCtrlHandler
-            from win32con import CTRL_CLOSE_EVENT
-            from win32con import CTRL_SHUTDOWN_EVENT
+        if windows_check():
+
             def win_handler(ctrl_type):
-                log.debug("ctrl_type: %s", ctrl_type)
+                """Handle the Windows shutdown or close events."""
+                log.debug('windows handler ctrl_type: %s', ctrl_type)
                 if ctrl_type == CTRL_CLOSE_EVENT or ctrl_type == CTRL_SHUTDOWN_EVENT:
-                    self.__shutdown()
+                    self._shutdown()
                     return 1
+
             SetConsoleCtrlHandler(win_handler)
 
-        version = deluge.common.get_version()
-
-        log.info("Deluge daemon %s", version)
-        log.debug("options: %s", options)
-        log.debug("args: %s", args)
-        # Set the config directory
-        if options and options.config:
-            deluge.configmanager.set_config_dir(options.config)
-
-        from deluge.core.core import Core
         # Start the core as a thread and join it until it's done
-        self.core = Core()
+        self.core = Core(
+            listen_interface=listen_interface,
+            outgoing_interface=outgoing_interface,
+            read_only_config_keys=read_only_config_keys,
+        )
 
-        port = self.core.config["daemon_port"]
-        if options and options.port:
-            port = options.port
-        if options and options.ui_interface:
-            interface = options.ui_interface
-        else:
-            interface = ""
+        if port is None:
+            port = self.core.config['daemon_port']
+        self.port = port
+
+        if interface and not is_ip(interface):
+            log.error('Invalid UI interface (must be IP Address): %s', interface)
+            interface = None
 
         self.rpcserver = RPCServer(
             port=port,
-            allow_remote=self.core.config["allow_remote"],
-            listen=not classic,
-            interface=interface
+            allow_remote=self.core.config['allow_remote'],
+            listen=not standalone,
+            interface=interface,
         )
 
+        log.debug(
+            'Listening to UI on: %s:%s and bittorrent on: %s Making connections out on: %s',
+            interface,
+            port,
+            listen_interface,
+            outgoing_interface,
+        )
+
+    def start(self):
         # Register the daemon and the core RPCs
         self.rpcserver.register_object(self.core)
         self.rpcserver.register_object(self)
 
-
         # Make sure we start the PreferencesManager first
-        component.start("PreferencesManager")
+        component.start('PreferencesManager')
 
-        if not classic:
-            # Write out a pid file all the time, we use this to see if a deluged is running
-            # We also include the running port number to do an additional test
-            open(deluge.configmanager.get_config_dir("deluged.pid"), "wb").write(
-                "%s;%s\n" % (os.getpid(), port))
+        if not self.standalone:
+            log.info('Deluge daemon starting...')
+            # Create pid file to track if deluged is running, also includes the port number.
+            pid = os.getpid()
+            log.debug('Storing pid %s & port %s in: %s', pid, self.port, self.pid_file)
+            with open(self.pid_file, 'w') as _file:
+                _file.write('%s;%s\n' % (pid, self.port))
 
             component.start()
+
             try:
                 reactor.run()
             finally:
-                self._shutdown()
+                log.debug('Remove pid file: %s', self.pid_file)
+                os.remove(self.pid_file)
+                log.info('Deluge daemon shutdown successfully')
 
     @export()
     def shutdown(self, *args, **kwargs):
+        log.debug('Deluge daemon shutdown requested...')
         reactor.callLater(0, reactor.stop)
 
     def _shutdown(self, *args, **kwargs):
-        try:
-            os.remove(deluge.configmanager.get_config_dir("deluged.pid"))
-        except Exception, e:
-            log.exception(e)
-            log.error("Error removing deluged.pid!")
-
-        component.shutdown()
-        try:
-            reactor.stop()
-        except twisted.internet.error.ReactorNotRunning:
-            log.debug("Tried to stop the reactor but it is not running..")
-
-    @export()
-    def info(self):
-        """
-        Returns some info from the daemon.
-
-        :returns: str, the version number
-        """
-        return deluge.common.get_version()
+        log.info('Deluge daemon shutting down, waiting for components to shutdown...')
+        if not self.standalone:
+            return component.shutdown()
 
     @export()
     def get_method_list(self):
-        """
-        Returns a list of the exported methods.
-        """
+        """Returns a list of the exported methods."""
         return self.rpcserver.get_method_list()
+
+    @export()
+    def get_version(self):
+        """Returns the daemon version"""
+        return get_version()
+
+    @export(1)
+    def authorized_call(self, rpc):
+        """Determines if session auth_level is authorized to call RPC.
+
+        Args:
+            rpc (str): A RPC, e.g. core.get_torrents_status
+
+        Returns:
+            bool: True if authorized to call RPC, otherwise False.
+        """
+        if rpc not in self.get_method_list():
+            return False
+
+        return (
+            self.rpcserver.get_session_auth_level()
+            >= self.rpcserver.get_rpc_auth_level(rpc)
+        )

deluge/core/daemon_entry.py

@@ -0,0 +1,143 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2007 Andrew Resch <andrewresch@gmail.com>
+# Copyright (C) 2010 Pedro Algarvio <pedro@algarvio.me>
+#
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
+#
+from __future__ import print_function, unicode_literals
+
+import os
+import sys
+from logging import DEBUG, FileHandler, getLogger
+
+from twisted.internet.error import CannotListenError
+
+from deluge.argparserbase import ArgParserBase
+from deluge.common import run_profiled
+from deluge.configmanager import get_config_dir
+from deluge.i18n import setup_mock_translation
+
+
+def add_daemon_options(parser):
+    group = parser.add_argument_group(_('Daemon Options'))
+    group.add_argument(
+        '-u',
+        '--ui-interface',
+        metavar='<ip-addr>',
+        action='store',
+        help=_('IP address to listen for UI connections'),
+    )
+    group.add_argument(
+        '-p',
+        '--port',
+        metavar='<port>',
+        action='store',
+        type=int,
+        help=_('Port to listen for UI connections on'),
+    )
+    group.add_argument(
+        '-i',
+        '--interface',
+        metavar='<ip-addr>',
+        dest='listen_interface',
+        action='store',
+        help=_('IP address to listen for BitTorrent connections'),
+    )
+    group.add_argument(
+        '-o',
+        '--outgoing-interface',
+        metavar='<interface>',
+        dest='outgoing_interface',
+        action='store',
+        help=_(
+            'The network interface name or IP address for outgoing BitTorrent connections.'
+        ),
+    )
+    group.add_argument(
+        '--read-only-config-keys',
+        metavar='<comma-separated-keys>',
+        action='store',
+        help=_('Config keys to be unmodified by `set_config` RPC'),
+        type=str,
+        default='',
+    )
+    parser.add_process_arg_group()
+
+
+def start_daemon(skip_start=False):
+    """
+    Entry point for daemon script
+
+    Args:
+        skip_start (bool): If starting daemon should be skipped.
+
+    Returns:
+        deluge.core.daemon.Daemon: A new daemon object
+
+    """
+    setup_mock_translation()
+
+    # Setup the argument parser
+    parser = ArgParserBase()
+    add_daemon_options(parser)
+
+    options = parser.parse_args()
+
+    # Check for any daemons running with this same config
+    from deluge.core.daemon import is_daemon_running
+
+    pid_file = get_config_dir('deluged.pid')
+    if is_daemon_running(pid_file):
+        print(
+            'Cannot run multiple daemons with same config directory.\n'
+            'If you believe this is an error, force starting by deleting: %s' % pid_file
+        )
+        sys.exit(1)
+
+    log = getLogger(__name__)
+
+    # If no logfile specified add logging to default location (as well as stdout)
+    if not options.logfile:
+        options.logfile = get_config_dir('deluged.log')
+        file_handler = FileHandler(options.logfile)
+        log.addHandler(file_handler)
+
+    def run_daemon(options):
+        try:
+            from deluge.core.daemon import Daemon
+
+            daemon = Daemon(
+                listen_interface=options.listen_interface,
+                outgoing_interface=options.outgoing_interface,
+                interface=options.ui_interface,
+                port=options.port,
+                read_only_config_keys=options.read_only_config_keys.split(','),
+            )
+            if skip_start:
+                return daemon
+            else:
+                daemon.start()
+        except CannotListenError as ex:
+            log.error(
+                'Cannot start deluged, listen port in use.\n'
+                ' Check for other running daemons or services using this port: %s:%s',
+                ex.interface,
+                ex.port,
+            )
+            sys.exit(1)
+        except Exception as ex:
+            log.error('Unable to start deluged: %s', ex)
+            if log.isEnabledFor(DEBUG):
+                log.exception(ex)
+            sys.exit(1)
+        finally:
+            log.info('Exiting...')
+            if options.pidfile:
+                os.remove(options.pidfile)
+
+    return run_profiled(
+        run_daemon, options, output_file=options.profile, do_profile=options.profile
+    )

deluge/core/eventmanager.py

@@ -1,44 +1,24 @@
-#
-# eventmanager.py
+# -*- coding: utf-8 -*-
 #
 # Copyright (C) 2009 Andrew Resch <andrewresch@gmail.com>
 #
-# Deluge is free software.
-#
-# You may redistribute it and/or modify it under the terms of the
-# GNU General Public License, as published by the Free Software
-# Foundation; either version 3 of the License, or (at your option)
-# any later version.
-#
-# deluge is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with deluge.    If not, write to:
-# 	The Free Software Foundation, Inc.,
-# 	51 Franklin Street, Fifth Floor
-# 	Boston, MA  02110-1301, USA.
-#
-#    In addition, as a special exception, the copyright holders give
-#    permission to link the code of portions of this program with the OpenSSL
-#    library.
-#    You must obey the GNU General Public License in all respects for all of
-#    the code used other than OpenSSL. If you modify file(s) with this
-#    exception, you may extend this exception to your version of the file(s),
-#    but you are not obligated to do so. If you do not wish to do so, delete
-#    this exception statement from your version. If you delete this exception
-#    statement from all source files in the program, then also delete it here.
-#
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
 #
 
+from __future__ import unicode_literals
+
+import logging
+
 import deluge.component as component
-from deluge.log import LOG as log
+
+log = logging.getLogger(__name__)
+
 
 class EventManager(component.Component):
     def __init__(self):
-        component.Component.__init__(self, "EventManager")
+        component.Component.__init__(self, 'EventManager')
         self.handlers = {}
 
     def emit(self, event):
@@ -48,12 +28,20 @@ class EventManager(component.Component):
         :param event: DelugeEvent
         """
         # Emit the event to the interested clients
-        component.get("RPCServer").emit_event(event)
+        component.get('RPCServer').emit_event(event)
         # Call any handlers for the event
         if event.name in self.handlers:
             for handler in self.handlers[event.name]:
-                #log.debug("Running handler %s for event %s with args: %s", event.name, handler, event.args)
+                # log.debug('Running handler %s for event %s with args: %s', event.name, handler, event.args)
+                try:
                     handler(*event.args)
+                except Exception as ex:
+                    log.error(
+                        'Event handler %s failed in %s with exception %s',
+                        event.name,
+                        handler,
+                        ex,
+                    )
 
     def register_event_handler(self, event, handler):
         """

deluge/core/filtermanager.py

@@ -1,120 +1,130 @@
-#
-# core.py
+# -*- coding: utf-8 -*-
 #
 # Copyright (C) 2008 Martijn Voncken <mvoncken@gmail.com>
 #
-# Deluge is free software.
-#
-# You may redistribute it and/or modify it under the terms of the
-# GNU General Public License, as published by the Free Software
-# Foundation; either version 3 of the License, or (at your option)
-# any later version.
-#
-# deluge is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with deluge.    If not, write to:
-# 	The Free Software Foundation, Inc.,
-# 	51 Franklin Street, Fifth Floor
-# 	Boston, MA  02110-1301, USA.
-#
-#    In addition, as a special exception, the copyright holders give
-#    permission to link the code of portions of this program with the OpenSSL
-#    library.
-#    You must obey the GNU General Public License in all respects for all of
-#    the code used other than OpenSSL. If you modify file(s) with this
-#    exception, you may extend this exception to your version of the file(s),
-#    but you are not obligated to do so. If you do not wish to do so, delete
-#    this exception statement from your version. If you delete this exception
-#    statement from all source files in the program, then also delete it here.
-#
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
 #
 
+from __future__ import unicode_literals
+
+import logging
+
+from six import string_types
 
 import deluge.component as component
-from deluge.log import LOG as log
+from deluge.common import TORRENT_STATE
 
-STATE_SORT = ["All", "Downloading", "Seeding", "Active", "Paused", "Queued"]
+log = logging.getLogger(__name__)
 
-#special purpose filters:
+STATE_SORT = ['All', 'Active'] + TORRENT_STATE
+
+
+# Special purpose filters:
 def filter_keywords(torrent_ids, values):
-    #cleanup.
-    keywords = ",".join([v.lower() for v in values])
-    keywords = keywords.split(",")
-
+    # Cleanup
+    keywords = ','.join([v.lower() for v in values])
+    keywords = keywords.split(',')
 
     for keyword in keywords:
         torrent_ids = filter_one_keyword(torrent_ids, keyword)
     return torrent_ids
 
+
 def filter_one_keyword(torrent_ids, keyword):
     """
     search torrent on keyword.
     searches title,state,tracker-status,tracker,files
     """
-    all_torrents = component.get("TorrentManager").torrents
-    #filter:
-    found = False
+    all_torrents = component.get('TorrentManager').torrents
+
     for torrent_id in torrent_ids:
         torrent = all_torrents[torrent_id]
         if keyword in torrent.filename.lower():
             yield torrent_id
         elif keyword in torrent.state.lower():
             yield torrent_id
-        elif torrent.trackers and keyword in torrent.trackers[0]["url"]:
+        elif torrent.trackers and keyword in torrent.trackers[0]['url']:
             yield torrent_id
         elif keyword in torrent_id:
             yield torrent_id
-        #i want to find broken torrents (search on "error", or "unregistered")
+        # Want to find broken torrents (search on "error", or "unregistered")
         elif keyword in torrent.tracker_status.lower():
             yield torrent_id
         else:
             for t_file in torrent.get_files():
-                if keyword in t_file["path"].lower():
+                if keyword in t_file['path'].lower():
                     yield torrent_id
                     break
 
+
+def filter_by_name(torrent_ids, search_string):
+    all_torrents = component.get('TorrentManager').torrents
+    try:
+        search_string, match_case = search_string[0].split('::match')
+    except ValueError:
+        search_string = search_string[0]
+        match_case = False
+
+    if match_case is False:
+        search_string = search_string.lower()
+
+    for torrent_id in torrent_ids:
+        torrent_name = all_torrents[torrent_id].get_name()
+        if match_case is False:
+            torrent_name = all_torrents[torrent_id].get_name().lower()
+        else:
+            torrent_name = all_torrents[torrent_id].get_name()
+
+        if search_string in torrent_name:
+            yield torrent_id
+
+
 def tracker_error_filter(torrent_ids, values):
     filtered_torrent_ids = []
-    tm = component.get("TorrentManager")
+    tm = component.get('TorrentManager')
 
     # If this is a tracker_host, then we need to filter on it
-    if values[0] != "Error":
+    if values[0] != 'Error':
         for torrent_id in torrent_ids:
-            if values[0] == tm[torrent_id].get_status(["tracker_host"])["tracker_host"]:
+            if values[0] == tm[torrent_id].get_status(['tracker_host'])['tracker_host']:
                 filtered_torrent_ids.append(torrent_id)
         return filtered_torrent_ids
 
-    # Check all the torrent's tracker_status for 'Error:' and only return torrent_ids
-    # that have this substring in their tracker_status
+    # Check torrent's tracker_status for 'Error:' and return those torrent_ids
     for torrent_id in torrent_ids:
-        if "Error:" in tm[torrent_id].get_status(["tracker_status"])["tracker_status"]:
+        if 'Error:' in tm[torrent_id].get_status(['tracker_status'])['tracker_status']:
             filtered_torrent_ids.append(torrent_id)
-
     return filtered_torrent_ids
 
+
 class FilterManager(component.Component):
-    """FilterManager
+    """FilterManager"""
 
-    """
     def __init__(self, core):
-        component.Component.__init__(self, "FilterManager")
-        log.debug("FilterManager init..")
+        component.Component.__init__(self, 'FilterManager')
+        log.debug('FilterManager init..')
         self.core = core
         self.torrents = core.torrentmanager
         self.registered_filters = {}
-        self.register_filter("keyword", filter_keywords)
+        self.register_filter('keyword', filter_keywords)
+        self.register_filter('name', filter_by_name)
         self.tree_fields = {}
 
-        self.register_tree_field("state", self._init_state_tree)
-        def _init_tracker_tree():
-            return {"Error": 0}
-        self.register_tree_field("tracker_host", _init_tracker_tree)
+        self.register_tree_field('state', self._init_state_tree)
 
-        self.register_filter("tracker_host", tracker_error_filter)
+        def _init_tracker_tree():
+            return {'Error': 0}
+
+        self.register_tree_field('tracker_host', _init_tracker_tree)
+
+        self.register_filter('tracker_host', tracker_error_filter)
+
+        def _init_users_tree():
+            return {'': 0}
+
+        self.register_tree_field('owner', _init_users_tree)
 
     def filter_torrent_ids(self, filter_dict):
         """
@@ -124,55 +134,61 @@ class FilterManager(component.Component):
         if not filter_dict:
             return self.torrents.get_torrent_list()
 
-        #sanitize input: filter-value must be a list of strings
+        # Sanitize input: filter-value must be a list of strings
         for key, value in filter_dict.items():
-            if isinstance(value, str):
+            if isinstance(value, string_types):
                 filter_dict[key] = [value]
 
-
-        if "id"in filter_dict: #optimized filter for id:
-            torrent_ids = filter_dict["id"]
-            del filter_dict["id"]
+        # Optimized filter for id
+        if 'id' in filter_dict:
+            torrent_ids = list(filter_dict['id'])
+            del filter_dict['id']
         else:
             torrent_ids = self.torrents.get_torrent_list()
 
-        if not filter_dict: #return if there's  nothing more to filter
+        # Return if there's nothing more to filter
+        if not filter_dict:
             return torrent_ids
 
-        #special purpose: state=Active.
-        if "state" in filter_dict:
+        # Special purpose, state=Active.
+        if 'state' in filter_dict:
             # We need to make sure this is a list for the logic below
-            filter_dict["state"] = list(filter_dict["state"])
+            filter_dict['state'] = list(filter_dict['state'])
 
-        if "state" in filter_dict and "Active" in filter_dict["state"]:
-            filter_dict["state"].remove("Active")
-            if not filter_dict["state"]:
-                del filter_dict["state"]
+        if 'state' in filter_dict and 'Active' in filter_dict['state']:
+            filter_dict['state'].remove('Active')
+            if not filter_dict['state']:
+                del filter_dict['state']
             torrent_ids = self.filter_state_active(torrent_ids)
 
-        if not filter_dict: #return if there's  nothing more to filter
+        if not filter_dict:
             return torrent_ids
 
-        #Registered filters:
-        for field, values in filter_dict.items():
+        # Registered filters
+        for field, values in list(filter_dict.items()):
             if field in self.registered_filters:
-                # a set filters out the doubles.
-                torrent_ids = list(set(self.registered_filters[field](torrent_ids, values)))
+                # Filters out doubles
+                torrent_ids = list(
+                    set(self.registered_filters[field](torrent_ids, values))
+                )
                 del filter_dict[field]
 
-
-        if not filter_dict: #return if there's  nothing more to filter
+        if not filter_dict:
             return torrent_ids
 
-        #leftover filter arguments:
-        #default filter on status fields.
-        status_func = self.core.get_torrent_status #premature optimalisation..
+        torrent_keys, plugin_keys = self.torrents.separate_keys(
+            list(filter_dict), torrent_ids
+        )
+        # Leftover filter arguments, default filter on status fields.
         for torrent_id in list(torrent_ids):
-            status = status_func(torrent_id, filter_dict.keys()) #status={key:value}
-            for field, values in filter_dict.iteritems():
-                if (not status[field] in values) and torrent_id in torrent_ids:
+            status = self.core.create_torrent_status(
+                torrent_id, torrent_keys, plugin_keys
+            )
+            for field, values in filter_dict.items():
+                if field in status and status[field] in values:
+                    continue
+                elif torrent_id in torrent_ids:
                     torrent_ids.remove(torrent_id)
-
         return torrent_ids
 
     def get_filter_tree(self, show_zero_hits=True, hide_cat=None):
@@ -181,55 +197,56 @@ class FilterManager(component.Component):
         for use in sidebar.
         """
         torrent_ids = self.torrents.get_torrent_list()
-        status_func = self.core.get_torrent_status #premature optimalisation..
-        tree_keys = list(self.tree_fields.keys())
+        tree_keys = list(self.tree_fields)
         if hide_cat:
             for cat in hide_cat:
                 tree_keys.remove(cat)
 
-        items = dict( (field, self.tree_fields[field]()) for field in tree_keys)
+        torrent_keys, plugin_keys = self.torrents.separate_keys(tree_keys, torrent_ids)
+        items = {field: self.tree_fields[field]() for field in tree_keys}
 
-        #count status fields.
         for torrent_id in list(torrent_ids):
-            status = status_func(torrent_id, tree_keys) #status={key:value}
+            status = self.core.create_torrent_status(
+                torrent_id, torrent_keys, plugin_keys
+            )  # status={key:value}
             for field in tree_keys:
                 value = status[field]
                 items[field][value] = items[field].get(value, 0) + 1
 
-        items["tracker_host"]["All"] = len(torrent_ids)
+        if 'tracker_host' in items:
+            items['tracker_host']['All'] = len(torrent_ids)
+            items['tracker_host']['Error'] = len(
+                tracker_error_filter(torrent_ids, ('Error',))
+            )
 
-        if "tracker_host" in items:
-            items["tracker_host"]["Error"] = len(tracker_error_filter(torrent_ids, ("Error",)))
+        if not show_zero_hits:
+            for cat in ['state', 'owner', 'tracker_host']:
+                if cat in tree_keys:
+                    self._hide_state_items(items[cat])
 
-        if "state" in tree_keys and not show_zero_hits:
-            self._hide_state_items(items["state"])
+        # Return a dict of tuples:
+        sorted_items = {field: sorted(items[field].items()) for field in tree_keys}
 
-        #return a dict of tuples:
-        sorted_items = {}
-        for field in tree_keys:
-            sorted_items[field] = sorted(items[field].iteritems())
-
-        if "state" in tree_keys:
-            sorted_items["state"].sort(self._sort_state_items)
+        if 'state' in tree_keys:
+            sorted_items['state'].sort(key=self._sort_state_item)
 
         return sorted_items
 
     def _init_state_tree(self):
-        return {"All":len(self.torrents.get_torrent_list()),
-            "Downloading":0,
-            "Seeding":0,
-            "Paused":0,
-            "Checking":0,
-            "Queued":0,
-            "Error":0,
-            "Active":len(self.filter_state_active(self.torrents.get_torrent_list()))
-            }
+        init_state = {}
+        init_state['All'] = len(self.torrents.get_torrent_list())
+        for state in TORRENT_STATE:
+            init_state[state] = 0
+        init_state['Active'] = len(
+            self.filter_state_active(self.torrents.get_torrent_list())
+        )
+        return init_state
 
-    def register_filter(self, id, filter_func, filter_value = None):
-        self.registered_filters[id] = filter_func
+    def register_filter(self, filter_id, filter_func, filter_value=None):
+        self.registered_filters[filter_id] = filter_func
 
-    def deregister_filter(self, id):
-        del self.registered_filters[id]
+    def deregister_filter(self, filter_id):
+        del self.registered_filters[filter_id]
 
     def register_tree_field(self, field, init_func=lambda: {}):
         self.tree_fields[field] = init_func
@@ -239,30 +256,24 @@ class FilterManager(component.Component):
             del self.tree_fields[field]
 
     def filter_state_active(self, torrent_ids):
-        get_status = self.core.get_torrent_status
         for torrent_id in list(torrent_ids):
-            status = get_status(torrent_id, ["download_payload_rate", "upload_payload_rate"])
-            if status["download_payload_rate"] or status["upload_payload_rate"]:
-                pass #ok
+            status = self.torrents[torrent_id].get_status(
+                ['download_payload_rate', 'upload_payload_rate']
+            )
+            if status['download_payload_rate'] or status['upload_payload_rate']:
+                pass
             else:
                 torrent_ids.remove(torrent_id)
         return torrent_ids
 
     def _hide_state_items(self, state_items):
-        "for hide(show)-zero hits"
-        for (value, count)  in state_items.items():
-            if value != "All" and count == 0:
+        """For hide(show)-zero hits"""
+        for value, count in list(state_items.items()):
+            if value != 'All' and count == 0:
                 del state_items[value]
 
-    def _sort_state_items(self, x, y):
-        ""
-        if x[0] in STATE_SORT:
-            ix = STATE_SORT.index(x[0])
-        else:
-            ix = 99
-        if y[0] in STATE_SORT:
-            iy = STATE_SORT.index(y[0])
-        else:
-            iy = 99
-
-        return ix - iy
+    def _sort_state_item(self, item):
+        try:
+            return STATE_SORT.index(item[0])
+        except ValueError:
+            return 99

deluge/core/oldstateupgrader.py

@@ -1,141 +0,0 @@
-#
-# oldstateupgrader.py
-#
-# Copyright (C) 2008 Andrew Resch <andrewresch@gmail.com>
-#
-# Deluge is free software.
-#
-# You may redistribute it and/or modify it under the terms of the
-# GNU General Public License, as published by the Free Software
-# Foundation; either version 3 of the License, or (at your option)
-# any later version.
-#
-# deluge is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with deluge.    If not, write to:
-# 	The Free Software Foundation, Inc.,
-# 	51 Franklin Street, Fifth Floor
-# 	Boston, MA  02110-1301, USA.
-#
-#    In addition, as a special exception, the copyright holders give
-#    permission to link the code of portions of this program with the OpenSSL
-#    library.
-#    You must obey the GNU General Public License in all respects for all of
-#    the code used other than OpenSSL. If you modify file(s) with this
-#    exception, you may extend this exception to your version of the file(s),
-#    but you are not obligated to do so. If you do not wish to do so, delete
-#    this exception statement from your version. If you delete this exception
-#    statement from all source files in the program, then also delete it here.
-#
-#
-
-
-import os
-import os.path
-import pickle
-import cPickle
-import shutil
-
-from deluge._libtorrent import lt
-
-from deluge.configmanager import ConfigManager, get_config_dir
-import deluge.core.torrentmanager
-from deluge.log import LOG as log
-
-#start : http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/286203
-def makeFakeClass(module, name):
-    class FakeThing(object):
-        pass
-    FakeThing.__name__ = name
-    FakeThing.__module__ = '(fake)' + module
-    return FakeThing
-
-class PickleUpgrader(pickle.Unpickler):
-    def find_class(self, module, cname):
-        # Pickle tries to load a couple things like copy_reg and
-        # __builtin__.object even though a pickle file doesn't
-        # explicitly reference them (afaict): allow them to be loaded
-        # normally.
-        if module in ('copy_reg', '__builtin__'):
-            thing = pickle.Unpickler.find_class(self, module, cname)
-            return thing
-        return makeFakeClass(module, cname)
-# end: http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/286203
-
-class OldStateUpgrader:
-    def __init__(self):
-        self.config = ConfigManager("core.conf")
-        self.state05_location = os.path.join(get_config_dir(), "persistent.state")
-        self.state10_location = os.path.join(get_config_dir(), "state", "torrents.state")
-        if os.path.exists(self.state05_location) and not os.path.exists(self.state10_location):
-            # If the 0.5 state file exists and the 1.0 doesn't, then let's upgrade it
-            self.upgrade05()
-
-    def upgrade05(self):
-        try:
-            state = PickleUpgrader(open(self.state05_location, "rb")).load()
-        except Exception, e:
-            log.debug("Unable to open 0.5 state file: %s", e)
-            return
-
-        # Check to see if we can upgrade this file
-        if type(state).__name__ == 'list':
-            log.warning("0.5 state file is too old to upgrade")
-            return
-
-        new_state = deluge.core.torrentmanager.TorrentManagerState()
-        for ti, uid in state.torrents.items():
-            torrent_path = os.path.join(get_config_dir(), "torrentfiles", ti.filename)
-            try:
-                torrent_info = None
-                log.debug("Attempting to create torrent_info from %s", torrent_path)
-                _file = open(torrent_path, "rb")
-                torrent_info = lt.torrent_info(lt.bdecode(_file.read()))
-                _file.close()
-            except (IOError, RuntimeError), e:
-                log.warning("Unable to open %s: %s", torrent_path, e)
-
-            # Copy the torrent file to the new location
-            import shutil
-            shutil.copyfile(torrent_path, os.path.join(get_config_dir(), "state", str(torrent_info.info_hash()) + ".torrent"))
-
-            # Set the file prioritiy property if not already there
-            if not hasattr(ti, "priorities"):
-                ti.priorities = [1] * torrent_info.num_files()
-
-            # Create the new TorrentState object
-            new_torrent = deluge.core.torrentmanager.TorrentState(
-                torrent_id=str(torrent_info.info_hash()),
-                filename=ti.filename,
-                save_path=ti.save_dir,
-                compact=ti.compact,
-                paused=ti.user_paused,
-                total_uploaded=ti.uploaded_memory,
-                max_upload_speed=ti.upload_rate_limit,
-                max_download_speed=ti.download_rate_limit,
-                file_priorities=ti.priorities,
-                queue=state.queue.index(ti)
-            )
-            # Append the object to the state list
-            new_state.torrents.append(new_torrent)
-
-        # Now we need to write out the new state file
-        try:
-            log.debug("Saving torrent state file.")
-            state_file = open(
-                os.path.join(get_config_dir(), "state", "torrents.state"), "wb")
-            cPickle.dump(new_state, state_file)
-            state_file.close()
-        except IOError, e:
-            log.warning("Unable to save state file: %s", e)
-            return
-
-        # Rename the persistent.state file
-        try:
-            os.rename(self.state05_location, self.state05_location + ".old")
-        except Exception, e:
-            log.debug("Unable to rename old persistent.state file! %s", e)

deluge/core/pluginmanager.py

@@ -1,62 +1,40 @@
-#
-# pluginmanager.py
+# -*- coding: utf-8 -*-
 #
 # Copyright (C) 2007 Andrew Resch <andrewresch@gmail.com>
 #
-# Deluge is free software.
-#
-# You may redistribute it and/or modify it under the terms of the
-# GNU General Public License, as published by the Free Software
-# Foundation; either version 3 of the License, or (at your option)
-# any later version.
-#
-# deluge is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with deluge.    If not, write to:
-# 	The Free Software Foundation, Inc.,
-# 	51 Franklin Street, Fifth Floor
-# 	Boston, MA  02110-1301, USA.
-#
-#    In addition, as a special exception, the copyright holders give
-#    permission to link the code of portions of this program with the OpenSSL
-#    library.
-#    You must obey the GNU General Public License in all respects for all of
-#    the code used other than OpenSSL. If you modify file(s) with this
-#    exception, you may extend this exception to your version of the file(s),
-#    but you are not obligated to do so. If you do not wish to do so, delete
-#    this exception statement from your version. If you delete this exception
-#    statement from all source files in the program, then also delete it here.
-#
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
 #
 
 
 """PluginManager for Core"""
+from __future__ import unicode_literals
 
-from twisted.internet import reactor
-from twisted.internet.task import LoopingCall
+import logging
+
+from twisted.internet import defer
 
-from deluge.event import PluginEnabledEvent, PluginDisabledEvent
-import deluge.pluginmanagerbase
 import deluge.component as component
-from deluge.log import LOG as log
+import deluge.pluginmanagerbase
+from deluge.event import PluginDisabledEvent, PluginEnabledEvent
 
-class PluginManager(deluge.pluginmanagerbase.PluginManagerBase,
-    component.Component):
+log = logging.getLogger(__name__)
+
+
+class PluginManager(deluge.pluginmanagerbase.PluginManagerBase, component.Component):
     """PluginManager handles the loading of plugins and provides plugins with
     functions to access parts of the core."""
 
     def __init__(self, core):
-        component.Component.__init__(self, "CorePluginManager")
+        component.Component.__init__(self, 'CorePluginManager')
 
         self.status_fields = {}
 
         # Call the PluginManagerBase constructor
         deluge.pluginmanagerbase.PluginManagerBase.__init__(
-            self, "core.conf", "deluge.plugin.core")
+            self, 'core.conf', 'deluge.plugin.core'
+        )
 
     def start(self):
         # Enable plugins that are enabled in the config
@@ -70,28 +48,44 @@ class PluginManager(deluge.pluginmanagerbase.PluginManagerBase,
         self.stop()
 
     def update_plugins(self):
-        for plugin in self.plugins.keys():
-            if hasattr(self.plugins[plugin], "update"):
+        for plugin in self.plugins:
+            if hasattr(self.plugins[plugin], 'update'):
                 try:
                     self.plugins[plugin].update()
-                except Exception, e:
-                    log.exception(e)
+                except Exception as ex:
+                    log.exception(ex)
 
     def enable_plugin(self, name):
+        d = defer.succeed(True)
         if name not in self.plugins:
-            super(PluginManager, self).enable_plugin(name)
-            if name in self.plugins:
-                component.get("EventManager").emit(PluginEnabledEvent(name))
+            d = deluge.pluginmanagerbase.PluginManagerBase.enable_plugin(self, name)
+
+            def on_enable_plugin(result):
+                if result is True and name in self.plugins:
+                    component.get('EventManager').emit(PluginEnabledEvent(name))
+                return result
+
+            d.addBoth(on_enable_plugin)
+        return d
 
     def disable_plugin(self, name):
+        d = defer.succeed(True)
         if name in self.plugins:
-            super(PluginManager, self).disable_plugin(name)
+            d = deluge.pluginmanagerbase.PluginManagerBase.disable_plugin(self, name)
+
+            def on_disable_plugin(result):
                 if name not in self.plugins:
-                component.get("EventManager").emit(PluginDisabledEvent(name))
+                    component.get('EventManager').emit(PluginDisabledEvent(name))
+                return result
+
+            d.addBoth(on_disable_plugin)
+        return d
 
     def get_status(self, torrent_id, fields):
         """Return the value of status fields for the selected torrent_id."""
         status = {}
+        if len(fields) == 0:
+            fields = list(self.status_fields)
         for field in fields:
             try:
                 status[field] = self.status_fields[field](torrent_id)
@@ -102,13 +96,13 @@ class PluginManager(deluge.pluginmanagerbase.PluginManagerBase,
     def register_status_field(self, field, function):
         """Register a new status field.  This can be used in the same way the
         client requests other status information from core."""
-        log.debug("Registering status field %s with PluginManager", field)
+        log.debug('Registering status field %s with PluginManager', field)
         self.status_fields[field] = function
 
     def deregister_status_field(self, field):
         """Deregisters a status field"""
-        log.debug("Deregistering status field %s with PluginManager", field)
+        log.debug('Deregistering status field %s with PluginManager', field)
         try:
             del self.status_fields[field]
-        except:
-            log.warning("Unable to deregister status field %s", field)
+        except Exception:
+            log.warning('Unable to deregister status field %s', field)

deluge/core/preferencesmanager.py

@@ -1,523 +1,482 @@
+# -*- coding: utf-8 -*-
 #
-# preferencesmanager.py
-#
-# Copyright (C) 2008 Andrew Resch <andrewresch@gmail.com>
-#
-# Deluge is free software.
-#
-# You may redistribute it and/or modify it under the terms of the
-# GNU General Public License, as published by the Free Software
-# Foundation; either version 3 of the License, or (at your option)
-# any later version.
-#
-# deluge is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with deluge.    If not, write to:
-# 	The Free Software Foundation, Inc.,
-# 	51 Franklin Street, Fifth Floor
-# 	Boston, MA  02110-1301, USA.
-#
-#    In addition, as a special exception, the copyright holders give
-#    permission to link the code of portions of this program with the OpenSSL
-#    library.
-#    You must obey the GNU General Public License in all respects for all of
-#    the code used other than OpenSSL. If you modify file(s) with this
-#    exception, you may extend this exception to your version of the file(s),
-#    but you are not obligated to do so. If you do not wish to do so, delete
-#    this exception statement from your version. If you delete this exception
-#    statement from all source files in the program, then also delete it here.
+# Copyright (C) 2008-2010 Andrew Resch <andrewresch@gmail.com>
 #
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
 #
 
 
-import os.path
+from __future__ import unicode_literals
+
+import logging
+import os
+import platform
+import random
 import threading
-import pkg_resources
-from twisted.internet import reactor
+
 from twisted.internet.task import LoopingCall
 
-from deluge._libtorrent import lt
-
-from deluge.event import *
-import deluge.configmanager
 import deluge.common
 import deluge.component as component
-from deluge.log import LOG as log
+import deluge.configmanager
+from deluge._libtorrent import lt
+from deluge.event import ConfigValueChangedEvent
+
+try:
+    import GeoIP
+except ImportError:
+    GeoIP = None
+
+try:
+    from urllib.parse import quote_plus
+    from urllib.request import urlopen
+except ImportError:
+    from urllib import quote_plus
+    from urllib2 import urlopen
+
+log = logging.getLogger(__name__)
 
 DEFAULT_PREFS = {
-    "send_info": False,
-    "info_sent": 0.0,
-    "daemon_port": 58846,
-    "allow_remote": False,
-    "compact_allocation": False,
-    "download_location": deluge.common.get_default_download_dir(),
-    "listen_ports": [6881, 6891],
-    "listen_interface": "",
-    "copy_torrent_file": False,
-    "del_copy_torrent_file": False,
-    "torrentfiles_location": deluge.common.get_default_download_dir(),
-    "plugins_location": os.path.join(deluge.configmanager.get_config_dir(), "plugins"),
-    "prioritize_first_last_pieces": False,
-    "random_port": True,
-    "dht": True,
-    "upnp": True,
-    "natpmp": True,
-    "utpex": True,
-    "lsd": True,
-    "enc_in_policy": 1,
-    "enc_out_policy": 1,
-    "enc_level": 2,
-    "enc_prefer_rc4": True,
-    "max_connections_global": 200,
-    "max_upload_speed": -1.0,
-    "max_download_speed": -1.0,
-    "max_upload_slots_global": 4,
-    "max_half_open_connections": (lambda: deluge.common.windows_check() and
-        (lambda: deluge.common.vista_check() and 4 or 8)() or 50)(),
-    "max_connections_per_second": 20,
-    "ignore_limits_on_local_network": True,
-    "max_connections_per_torrent": -1,
-    "max_upload_slots_per_torrent": -1,
-    "max_upload_speed_per_torrent": -1,
-    "max_download_speed_per_torrent": -1,
-    "enabled_plugins": [],
-    "autoadd_location": deluge.common.get_default_download_dir(),
-    "autoadd_enable": False,
-    "add_paused": False,
-    "max_active_seeding": 5,
-    "max_active_downloading": 3,
-    "max_active_limit": 8,
-    "dont_count_slow_torrents": False,
-    "queue_new_to_top": False,
-    "stop_seed_at_ratio": False,
-    "remove_seed_at_ratio": False,
-    "stop_seed_ratio": 2.00,
-    "share_ratio_limit": 2.00,
-    "seed_time_ratio_limit": 7.00,
-    "seed_time_limit": 180,
-    "auto_managed": True,
-    "move_completed": False,
-    "move_completed_path": deluge.common.get_default_download_dir(),
-    "new_release_check": True,
-    "proxies": {
-        "peer": {
-            "type": 0,
-            "hostname": "",
-            "username": "",
-            "password": "",
-            "port": 8080
+    'send_info': False,
+    'info_sent': 0.0,
+    'daemon_port': 58846,
+    'allow_remote': False,
+    'pre_allocate_storage': False,
+    'download_location': deluge.common.get_default_download_dir(),
+    'listen_ports': [6881, 6891],
+    'listen_interface': '',
+    'outgoing_interface': '',
+    'random_port': True,
+    'listen_random_port': None,
+    'listen_use_sys_port': False,
+    'listen_reuse_port': True,
+    'outgoing_ports': [0, 0],
+    'random_outgoing_ports': True,
+    'copy_torrent_file': False,
+    'del_copy_torrent_file': False,
+    'torrentfiles_location': deluge.common.get_default_download_dir(),
+    'plugins_location': os.path.join(deluge.configmanager.get_config_dir(), 'plugins'),
+    'prioritize_first_last_pieces': False,
+    'sequential_download': False,
+    'dht': True,
+    'upnp': True,
+    'natpmp': True,
+    'utpex': True,
+    'lsd': True,
+    'enc_in_policy': 1,
+    'enc_out_policy': 1,
+    'enc_level': 2,
+    'max_connections_global': 200,
+    'max_upload_speed': -1.0,
+    'max_download_speed': -1.0,
+    'max_upload_slots_global': 4,
+    'max_half_open_connections': (
+        lambda: deluge.common.windows_check()
+        and (lambda: deluge.common.vista_check() and 4 or 8)()
+        or 50
+    )(),
+    'max_connections_per_second': 20,
+    'ignore_limits_on_local_network': True,
+    'max_connections_per_torrent': -1,
+    'max_upload_slots_per_torrent': -1,
+    'max_upload_speed_per_torrent': -1,
+    'max_download_speed_per_torrent': -1,
+    'enabled_plugins': [],
+    'add_paused': False,
+    'max_active_seeding': 5,
+    'max_active_downloading': 3,
+    'max_active_limit': 8,
+    'dont_count_slow_torrents': False,
+    'queue_new_to_top': False,
+    'stop_seed_at_ratio': False,
+    'remove_seed_at_ratio': False,
+    'stop_seed_ratio': 2.00,
+    'share_ratio_limit': 2.00,
+    'seed_time_ratio_limit': 7.00,
+    'seed_time_limit': 180,
+    'auto_managed': True,
+    'move_completed': False,
+    'move_completed_path': deluge.common.get_default_download_dir(),
+    'move_completed_paths_list': [],
+    'download_location_paths_list': [],
+    'path_chooser_show_chooser_button_on_localhost': True,
+    'path_chooser_auto_complete_enabled': True,
+    'path_chooser_accelerator_string': 'Tab',
+    'path_chooser_max_popup_rows': 20,
+    'path_chooser_show_hidden_files': False,
+    'new_release_check': True,
+    'proxy': {
+        'type': 0,
+        'hostname': '',
+        'username': '',
+        'password': '',
+        'port': 8080,
+        'proxy_hostnames': True,
+        'proxy_peer_connections': True,
+        'proxy_tracker_connections': True,
+        'force_proxy': False,
+        'anonymous_mode': False,
     },
-        "web_seed": {
-            "type": 0,
-            "hostname": "",
-            "username": "",
-            "password": "",
-            "port": 8080
-        },
-        "tracker": {
-            "type": 0,
-            "hostname": "",
-            "username": "",
-            "password": "",
-            "port": 8080
-        },
-        "dht": {
-            "type": 0,
-            "hostname": "",
-            "username": "",
-            "password": "",
-            "port": 8080
-        },
-
-    },
-    "outgoing_ports": [0, 0],
-    "random_outgoing_ports": True,
-    "peer_tos": "0x00",
-    "rate_limit_ip_overhead": True,
-    "geoip_db_location": "/usr/share/GeoIP/GeoIP.dat",
-    "cache_size": 512,
-    "cache_expiry": 60
+    'peer_tos': '0x00',
+    'rate_limit_ip_overhead': True,
+    'geoip_db_location': '/usr/share/GeoIP/GeoIP.dat',
+    'cache_size': 512,
+    'cache_expiry': 60,
+    'auto_manage_prefer_seeds': False,
+    'shared': False,
+    'super_seeding': False,
 }
 
+
 class PreferencesManager(component.Component):
     def __init__(self):
-        component.Component.__init__(self, "PreferencesManager")
+        component.Component.__init__(self, 'PreferencesManager')
+        self.config = deluge.configmanager.ConfigManager('core.conf', DEFAULT_PREFS)
+        if 'proxies' in self.config:
+            log.warning(
+                'Updating config file for proxy, using "peer" values to fill new "proxy" setting'
+            )
+            self.config['proxy'].update(self.config['proxies']['peer'])
+            log.warning('New proxy config is: %s', self.config['proxy'])
+            del self.config['proxies']
+        if 'i2p_proxy' in self.config and self.config['i2p_proxy']['hostname']:
+            self.config['proxy'].update(self.config['i2p_proxy'])
+            self.config['proxy']['type'] = 6
+            del self.config['i2p_proxy']
+        if 'anonymous_mode' in self.config:
+            self.config['proxy']['anonymous_mode'] = self.config['anonymous_mode']
+            del self.config['anonymous_mode']
+        if 'proxy' in self.config:
+            for key in DEFAULT_PREFS['proxy']:
+                if key not in self.config['proxy']:
+                    self.config['proxy'][key] = DEFAULT_PREFS['proxy'][key]
 
-        self.config = deluge.configmanager.ConfigManager("core.conf", DEFAULT_PREFS)
+        self.core = component.get('Core')
+        self.new_release_timer = None
 
     def start(self):
-        self.core = component.get("Core")
-        self.session = component.get("Core").session
-        self.settings = component.get("Core").settings
-
-        # Register set functions in the Config
-        self.config.register_set_function("torrentfiles_location",
-            self._on_set_torrentfiles_location)
-        self.config.register_set_function("listen_ports",
-            self._on_set_listen_ports)
-        self.config.register_set_function("listen_interface",
-            self._on_set_listen_interface)
-        self.config.register_set_function("random_port",
-            self._on_set_random_port)
-        self.config.register_set_function("outgoing_ports",
-            self._on_set_outgoing_ports)
-        self.config.register_set_function("random_outgoing_ports",
-            self._on_set_random_outgoing_ports)
-        self.config.register_set_function("peer_tos",
-            self._on_set_peer_tos)
-        self.config.register_set_function("dht", self._on_set_dht)
-        self.config.register_set_function("upnp", self._on_set_upnp)
-        self.config.register_set_function("natpmp", self._on_set_natpmp)
-        self.config.register_set_function("utpex", self._on_set_utpex)
-        self.config.register_set_function("lsd", self._on_set_lsd)
-        self.config.register_set_function("enc_in_policy",
-            self._on_set_encryption)
-        self.config.register_set_function("enc_out_policy",
-            self._on_set_encryption)
-        self.config.register_set_function("enc_level",
-            self._on_set_encryption)
-        self.config.register_set_function("enc_prefer_rc4",
-            self._on_set_encryption)
-        self.config.register_set_function("max_connections_global",
-            self._on_set_max_connections_global)
-        self.config.register_set_function("max_upload_speed",
-            self._on_set_max_upload_speed)
-        self.config.register_set_function("max_download_speed",
-            self._on_set_max_download_speed)
-        self.config.register_set_function("max_upload_slots_global",
-            self._on_set_max_upload_slots_global)
-        self.config.register_set_function("max_half_open_connections",
-            self._on_set_max_half_open_connections)
-        self.config.register_set_function("max_connections_per_second",
-            self._on_set_max_connections_per_second)
-        self.config.register_set_function("ignore_limits_on_local_network",
-            self._on_ignore_limits_on_local_network)
-        self.config.register_set_function("share_ratio_limit",
-            self._on_set_share_ratio_limit)
-        self.config.register_set_function("seed_time_ratio_limit",
-            self._on_set_seed_time_ratio_limit)
-        self.config.register_set_function("seed_time_limit",
-            self._on_set_seed_time_limit)
-        self.config.register_set_function("max_active_downloading",
-            self._on_set_max_active_downloading)
-        self.config.register_set_function("max_active_seeding",
-            self._on_set_max_active_seeding)
-        self.config.register_set_function("max_active_limit",
-            self._on_set_max_active_limit)
-        self.config.register_set_function("dont_count_slow_torrents",
-            self._on_set_dont_count_slow_torrents)
-        self.config.register_set_function("send_info",
-            self._on_send_info)
-        self.config.register_set_function("proxies",
-            self._on_set_proxies)
-        self.new_release_timer = None
-        self.config.register_set_function("new_release_check",
-            self._on_new_release_check)
-        self.config.register_set_function("rate_limit_ip_overhead",
-            self._on_rate_limit_ip_overhead)
-        self.config.register_set_function("geoip_db_location",
-            self._on_geoip_db_location)
-        self.config.register_set_function("cache_size",
-            self._on_cache_size)
-        self.config.register_set_function("cache_expiry",
-            self._on_cache_expiry)
+        # Set the initial preferences on start-up
+        for key in DEFAULT_PREFS:
+            self.do_config_set_func(key, self.config[key])
 
         self.config.register_change_callback(self._on_config_value_change)
 
     def stop(self):
-        if self.new_release_timer:
+        if self.new_release_timer and self.new_release_timer.running:
             self.new_release_timer.stop()
 
     # Config set functions
+    def do_config_set_func(self, key, value):
+        on_set_func = getattr(self, '_on_set_' + key, None)
+        if on_set_func:
+            if log.isEnabledFor(logging.DEBUG):
+                log.debug('Config key: %s set to %s..', key, value)
+            on_set_func(key, value)
+
     def _on_config_value_change(self, key, value):
-        component.get("EventManager").emit(ConfigValueChangedEvent(key, value))
+        if self.get_state() == 'Started':
+            self.do_config_set_func(key, value)
+            component.get('EventManager').emit(ConfigValueChangedEvent(key, value))
 
     def _on_set_torrentfiles_location(self, key, value):
-        if self.config["copy_torrent_file"]:
+        if self.config['copy_torrent_file']:
             try:
                 os.makedirs(value)
-            except Exception, e:
-                log.debug("Unable to make directory: %s", e)
+            except OSError as ex:
+                log.debug('Unable to make directory: %s', ex)
 
     def _on_set_listen_ports(self, key, value):
-        # Only set the listen ports if random_port is not true
-        if self.config["random_port"] is not True:
-            log.debug("listen port range set to %s-%s", value[0], value[1])
-            self.session.listen_on(value[0], value[1], str(self.config["listen_interface"]))
+        self.__set_listen_on()
 
     def _on_set_listen_interface(self, key, value):
-        # Call the random_port callback since it'll do what we need
-        self._on_set_random_port("random_port", self.config["random_port"])
+        self.__set_listen_on()
+
+    def _on_set_outgoing_interface(self, key, value):
+        """Set interface name or IP address for outgoing BitTorrent connections."""
+        value = value.strip() if value else ''
+        self.core.apply_session_settings({'outgoing_interfaces': value})
 
     def _on_set_random_port(self, key, value):
-        log.debug("random port value set to %s", value)
-        # We need to check if the value has been changed to true and false
-        # and then handle accordingly.
-        if value:
-            import random
-            listen_ports = []
-            randrange = lambda: random.randrange(49152, 65525)
-            listen_ports.append(randrange())
-            listen_ports.append(listen_ports[0]+10)
-        else:
-            listen_ports = self.config["listen_ports"]
+        self.__set_listen_on()
 
-        # Set the listen ports
-        log.debug("listen port range set to %s-%s", listen_ports[0],
-            listen_ports[1])
-        self.session.listen_on(listen_ports[0], listen_ports[1], str(self.config["listen_interface"]))
+    def __set_listen_on(self):
+        """ Set the ports and interface address to listen for incoming connections on."""
+        if self.config['random_port']:
+            if not self.config['listen_random_port']:
+                self.config['listen_random_port'] = random.randrange(49152, 65525)
+            listen_ports = [
+                self.config['listen_random_port']
+            ] * 2  # use single port range
+        else:
+            self.config['listen_random_port'] = None
+            listen_ports = self.config['listen_ports']
+
+        if self.config['listen_interface']:
+            interface = self.config['listen_interface'].strip()
+        else:
+            interface = '0.0.0.0'
+
+        log.debug(
+            'Listen Interface: %s, Ports: %s with use_sys_port: %s',
+            interface,
+            listen_ports,
+            self.config['listen_use_sys_port'],
+        )
+        interfaces = [
+            '%s:%s' % (interface, port)
+            for port in range(listen_ports[0], listen_ports[1] + 1)
+        ]
+        self.core.apply_session_settings(
+            {
+                'listen_system_port_fallback': self.config['listen_use_sys_port'],
+                'listen_interfaces': ','.join(interfaces),
+            }
+        )
 
     def _on_set_outgoing_ports(self, key, value):
-        if not self.config["random_outgoing_ports"]:
-            log.debug("outgoing port range set to %s-%s", value[0], value[1])
-            self.settings.outgoing_ports = value[0], value[1]
-            self.session.set_settings(self.settings)
+        self.__set_outgoing_ports()
 
     def _on_set_random_outgoing_ports(self, key, value):
-        if value:
-            self.session.outgoing_ports(0, 0)
+        self.__set_outgoing_ports()
+
+    def __set_outgoing_ports(self):
+        port = (
+            0
+            if self.config['random_outgoing_ports']
+            else self.config['outgoing_ports'][0]
+        )
+        if port:
+            num_ports = (
+                self.config['outgoing_ports'][1] - self.config['outgoing_ports'][0]
+            )
+            num_ports = num_ports if num_ports > 1 else 5
+        else:
+            num_ports = 0
+        log.debug('Outgoing port set to %s with range: %s', port, num_ports)
+        self.core.apply_session_settings(
+            {'outgoing_port': port, 'num_outgoing_ports': num_ports}
+        )
 
     def _on_set_peer_tos(self, key, value):
-        log.debug("setting peer_tos to: %s", value)
         try:
-            self.settings.peer_tos = chr(int(value, 16))
-        except ValueError, e:
-            log.debug("Invalid tos byte: %s", e)
-            return
-
-        self.session.set_settings(self.settings)
+            self.core.apply_session_setting('peer_tos', int(value, 16))
+        except ValueError as ex:
+            log.error('Invalid tos byte: %s', ex)
 
     def _on_set_dht(self, key, value):
-        log.debug("dht value set to %s", value)
-        state_file = deluge.configmanager.get_config_dir("dht.state")
-        if value:
-            state = None
-            try:
-                state = lt.bdecode(open(state_file, "rb").read())
-            except Exception, e:
-                log.warning("Unable to read DHT state file: %s", e)
-
-            try:
-                self.session.start_dht(state)
-            except Exception, e:
-                log.warning("Restoring old DHT state failed: %s", e)
-                self.session.start_dht(None)
-            self.session.add_dht_router("router.bittorrent.com", 6881)
-            self.session.add_dht_router("router.utorrent.com", 6881)
-            self.session.add_dht_router("router.bitcomet.com", 6881)
-        else:
-            self.core.save_dht_state()
-            self.session.stop_dht()
+        lt_bootstraps = self.core.session.get_settings()['dht_bootstrap_nodes']
+        # Update list of lt bootstraps, using set to remove duplicates.
+        dht_bootstraps = set(
+            lt_bootstraps.split(',')
+            + [
+                'router.bittorrent.com:6881',
+                'router.utorrent.com:6881',
+                'router.bitcomet.com:6881',
+                'dht.transmissionbt.com:6881',
+                'dht.aelitis.com:6881',
+            ]
+        )
+        self.core.apply_session_settings(
+            {'dht_bootstrap_nodes': ','.join(dht_bootstraps), 'enable_dht': value}
+        )
 
     def _on_set_upnp(self, key, value):
-        log.debug("upnp value set to %s", value)
-        if value:
-            self.session.start_upnp()
-        else:
-            self.session.stop_upnp()
+        self.core.apply_session_setting('enable_upnp', value)
 
     def _on_set_natpmp(self, key, value):
-        log.debug("natpmp value set to %s", value)
-        if value:
-            self.session.start_natpmp()
-        else:
-            self.session.stop_natpmp()
+        self.core.apply_session_setting('enable_natpmp', value)
 
     def _on_set_lsd(self, key, value):
-        log.debug("lsd value set to %s", value)
-        if value:
-            self.session.start_lsd()
-        else:
-            self.session.stop_lsd()
+        self.core.apply_session_setting('enable_lsd', value)
 
     def _on_set_utpex(self, key, value):
-        log.debug("utpex value set to %s", value)
         if value:
-            self.session.add_extension(lt.create_ut_pex_plugin)
+            self.core.session.add_extension('ut_pex')
+
+    def _on_set_enc_in_policy(self, key, value):
+        self._on_set_encryption(key, value)
+
+    def _on_set_enc_out_policy(self, key, value):
+        self._on_set_encryption(key, value)
+
+    def _on_set_enc_level(self, key, value):
+        self._on_set_encryption(key, value)
 
     def _on_set_encryption(self, key, value):
-        log.debug("encryption value %s set to %s..", key, value)
-        pe_settings = lt.pe_settings()
-        pe_settings.out_enc_policy = \
-            lt.enc_policy(self.config["enc_out_policy"])
-        pe_settings.in_enc_policy = lt.enc_policy(self.config["enc_in_policy"])
-        pe_settings.allowed_enc_level = lt.enc_level(self.config["enc_level"])
-        pe_settings.prefer_rc4 = self.config["enc_prefer_rc4"]
-        self.session.set_pe_settings(pe_settings)
-        set = self.session.get_pe_settings()
-        log.debug("encryption settings:\n\t\t\tout_policy: %s\n\t\t\
-        in_policy: %s\n\t\t\tlevel: %s\n\t\t\tprefer_rc4: %s",
-            set.out_enc_policy,
-            set.in_enc_policy,
-            set.allowed_enc_level,
-            set.prefer_rc4)
+        # Convert Deluge enc_level values to libtorrent enc_level values.
+        pe_enc_level = {
+            0: lt.enc_level.plaintext,
+            1: lt.enc_level.rc4,
+            2: lt.enc_level.both,
+        }
+        self.core.apply_session_settings(
+            {
+                'out_enc_policy': lt.enc_policy(self.config['enc_out_policy']),
+                'in_enc_policy': lt.enc_policy(self.config['enc_in_policy']),
+                'allowed_enc_level': lt.enc_level(
+                    pe_enc_level[self.config['enc_level']]
+                ),
+                'prefer_rc4': True,
+            }
+        )
 
     def _on_set_max_connections_global(self, key, value):
-        log.debug("max_connections_global set to %s..", value)
-        self.session.set_max_connections(value)
+        self.core.apply_session_setting('connections_limit', value)
 
     def _on_set_max_upload_speed(self, key, value):
-        log.debug("max_upload_speed set to %s..", value)
         # We need to convert Kb/s to B/s
-        if value < 0:
-            v = -1
-        else:
-            v = int(value * 1024)
-
-        self.session.set_upload_rate_limit(v)
+        value = -1 if value < 0 else int(value * 1024)
+        self.core.apply_session_setting('upload_rate_limit', value)
 
     def _on_set_max_download_speed(self, key, value):
-        log.debug("max_download_speed set to %s..", value)
         # We need to convert Kb/s to B/s
-        if value < 0:
-            v = -1
-        else:
-            v = int(value * 1024)
-        self.session.set_download_rate_limit(v)
+        value = -1 if value < 0 else int(value * 1024)
+        self.core.apply_session_setting('download_rate_limit', value)
 
     def _on_set_max_upload_slots_global(self, key, value):
-        log.debug("max_upload_slots_global set to %s..", value)
-        self.session.set_max_uploads(value)
+        self.core.apply_session_setting('unchoke_slots_limit', value)
 
     def _on_set_max_half_open_connections(self, key, value):
-        self.session.set_max_half_open_connections(value)
+        self.core.apply_session_setting('half_open_limit', value)
 
     def _on_set_max_connections_per_second(self, key, value):
-        self.settings.connection_speed = value
-        self.session.set_settings(self.settings)
+        self.core.apply_session_setting('connection_speed', value)
 
-    def _on_ignore_limits_on_local_network(self, key, value):
-        self.settings.ignore_limits_on_local_network = value
-        self.session.set_settings(self.settings)
+    def _on_set_ignore_limits_on_local_network(self, key, value):
+        self.core.apply_session_setting('ignore_limits_on_local_network', value)
 
     def _on_set_share_ratio_limit(self, key, value):
-        log.debug("%s set to %s..", key, value)
-        self.settings.share_ratio_limit = value
-        self.session.set_settings(self.settings)
+        # This value is a float percentage in deluge, but libtorrent needs int percentage.
+        self.core.apply_session_setting('share_ratio_limit', int(value * 100))
 
     def _on_set_seed_time_ratio_limit(self, key, value):
-        log.debug("%s set to %s..", key, value)
-        self.settings.seed_time_ratio_limit = value
-        self.session.set_settings(self.settings)
+        # This value is a float percentage in deluge, but libtorrent needs int percentage.
+        self.core.apply_session_setting('seed_time_ratio_limit', int(value * 100))
 
     def _on_set_seed_time_limit(self, key, value):
-        log.debug("%s set to %s..", key, value)
         # This value is stored in minutes in deluge, but libtorrent wants seconds
-        self.settings.seed_time_limit = int(value * 60)
-        self.session.set_settings(self.settings)
+        self.core.apply_session_setting('seed_time_limit', int(value * 60))
 
     def _on_set_max_active_downloading(self, key, value):
-        log.debug("%s set to %s..", key, value)
-        log.debug("active_downloads: %s", self.settings.active_downloads)
-        self.settings.active_downloads = value
-        self.session.set_settings(self.settings)
+        self.core.apply_session_setting('active_downloads', value)
 
     def _on_set_max_active_seeding(self, key, value):
-        log.debug("%s set to %s..", key, value)
-        log.debug("active_seeds: %s", self.settings.active_seeds)
-        self.settings.active_seeds = value
-        self.session.set_settings(self.settings)
+        self.core.apply_session_setting('active_seeds', value)
 
     def _on_set_max_active_limit(self, key, value):
-        log.debug("%s set to %s..", key, value)
-        log.debug("active_limit: %s", self.settings.active_limit)
-        self.settings.active_limit = value
-        self.session.set_settings(self.settings)
+        self.core.apply_session_setting('active_limit', value)
 
     def _on_set_dont_count_slow_torrents(self, key, value):
-        log.debug("%s set to %s..", key, value)
-        self.settings.dont_count_slow_torrents = value
-        self.session.set_settings(self.settings)
+        self.core.apply_session_setting('dont_count_slow_torrents', value)
 
-    def _on_send_info(self, key, value):
-        log.debug("Sending anonymous stats..")
+    def _on_set_send_info(self, key, value):
         """sends anonymous stats home"""
-        class Send_Info_Thread(threading.Thread):
+        log.debug('Sending anonymous stats..')
+
+        class SendInfoThread(threading.Thread):
             def __init__(self, config):
                 self.config = config
                 threading.Thread.__init__(self)
+
             def run(self):
                 import time
+
                 now = time.time()
                 # check if we've done this within the last week or never
-                if (now - self.config["info_sent"]) >= (60 * 60 * 24 * 7):
-                    import deluge.common
-                    from urllib import quote_plus
-                    from urllib2 import urlopen
-                    import platform
+                if (now - self.config['info_sent']) >= (60 * 60 * 24 * 7):
                     try:
-                        url = "http://deluge-torrent.org/stats_get.php?processor=" + \
-                            platform.machine() + "&python=" + platform.python_version() \
-                            + "&deluge=" + deluge.common.get_version() \
-                            + "&os=" + platform.system() \
-                            + "&plugins=" + quote_plus(":".join(self.config["enabled_plugins"]))
+                        url = (
+                            'http://deluge-torrent.org/stats_get.php?processor='
+                            + platform.machine()
+                            + '&python='
+                            + platform.python_version()
+                            + '&deluge='
+                            + deluge.common.get_version()
+                            + '&os='
+                            + platform.system()
+                            + '&plugins='
+                            + quote_plus(':'.join(self.config['enabled_plugins']))
+                        )
                         urlopen(url)
-                    except IOError, e:
-                        log.debug("Network error while trying to send info: %s", e)
+                    except IOError as ex:
+                        log.debug('Network error while trying to send info: %s', ex)
                     else:
-                        self.config["info_sent"] = now
-        if value:
-            Send_Info_Thread(self.config).start()
+                        self.config['info_sent'] = now
 
-    def _on_new_release_check(self, key, value):
         if value:
-            log.debug("Checking for new release..")
+            SendInfoThread(self.config).start()
+
+    def _on_set_new_release_check(self, key, value):
+        if value:
+            log.debug('Checking for new release..')
             threading.Thread(target=self.core.get_new_release).start()
-            if self.new_release_timer:
+            if self.new_release_timer and self.new_release_timer.running:
                 self.new_release_timer.stop()
             # Set a timer to check for a new release every 3 days
             self.new_release_timer = LoopingCall(
-                self._on_new_release_check, "new_release_check", True)
+                self._on_set_new_release_check, 'new_release_check', True
+            )
             self.new_release_timer.start(72 * 60 * 60, False)
         else:
-            if self.new_release_timer:
+            if self.new_release_timer and self.new_release_timer.running:
                 self.new_release_timer.stop()
 
-    def _on_set_proxies(self, key, value):
-        for k, v in value.items():
-            if v["type"]:
-                proxy_settings = lt.proxy_settings()
-                proxy_settings.type = lt.proxy_type(v["type"])
-                proxy_settings.username = str(v["username"])
-                proxy_settings.password = str(v["password"])
-                proxy_settings.hostname = str(v["hostname"])
-                proxy_settings.port = v["port"]
-                log.debug("setting %s proxy settings", k)
-                getattr(self.session, "set_%s_proxy" % k)(proxy_settings)
+    def _on_set_proxy(self, key, value):
+        # Initialise with type none and blank hostnames.
+        proxy_settings = {
+            'proxy_type': lt.proxy_type_t.none,
+            'i2p_hostname': '',
+            'proxy_hostname': '',
+            'proxy_hostnames': value['proxy_hostnames'],
+            'proxy_peer_connections': value['proxy_peer_connections'],
+            'proxy_tracker_connections': value['proxy_tracker_connections'],
+            'force_proxy': value['force_proxy'],
+            'anonymous_mode': value['anonymous_mode'],
+        }
 
-    def _on_rate_limit_ip_overhead(self, key, value):
-        log.debug("%s: %s", key, value)
-        self.settings.rate_limit_ip_overhead = value
-        self.session.set_settings(self.settings)
+        if value['type'] == lt.proxy_type_t.i2p_proxy:
+            proxy_settings.update(
+                {
+                    'proxy_type': lt.proxy_type_t.i2p_proxy,
+                    'i2p_hostname': value['hostname'],
+                    'i2p_port': value['port'],
+                }
+            )
+        elif value['type'] != lt.proxy_type_t.none:
+            proxy_settings.update(
+                {
+                    'proxy_type': value['type'],
+                    'proxy_hostname': value['hostname'],
+                    'proxy_port': value['port'],
+                    'proxy_username': value['username'],
+                    'proxy_password': value['password'],
+                }
+            )
 
-    def _on_geoip_db_location(self, key, value):
-        log.debug("%s: %s", key, value)
+        self.core.apply_session_settings(proxy_settings)
+
+    def _on_set_rate_limit_ip_overhead(self, key, value):
+        self.core.apply_session_setting('rate_limit_ip_overhead', value)
+
+    def _on_set_geoip_db_location(self, key, geoipdb_path):
         # Load the GeoIP DB for country look-ups if available
-        geoip_db = ""
-        if os.path.exists(value):
-            geoip_db = value
-        elif os.path.exists(pkg_resources.resource_filename("deluge", os.path.join("data", "GeoIP.dat"))):
-            geoip_db = pkg_resources.resource_filename("deluge", os.path.join("data", "GeoIP.dat"))
-        else:
-            log.warning("Unable to find GeoIP database file!")
-
-        if geoip_db:
+        if os.path.exists(geoipdb_path):
             try:
-                self.session.load_country_db(str(geoip_db))
-            except Exception, e:
-                log.error("Unable to load geoip database!")
-                log.exception(e)
+                self.core.geoip_instance = GeoIP.open(
+                    geoipdb_path, GeoIP.GEOIP_STANDARD
+                )
+            except AttributeError:
+                log.warning('GeoIP Unavailable')
+        else:
+            log.warning('Unable to find GeoIP database file: %s', geoipdb_path)
 
-    def _on_cache_size(self, key, value):
-        log.debug("%s: %s", key, value)
-        self.settings.cache_size = value
-        self.session.set_settings(self.settings)
+    def _on_set_cache_size(self, key, value):
+        self.core.apply_session_setting('cache_size', value)
 
-    def _on_cache_expiry(self, key, value):
-        log.debug("%s: %s", key, value)
-        self.settings.cache_expiry = value
-        self.session.set_settings(self.settings)
+    def _on_set_cache_expiry(self, key, value):
+        self.core.apply_session_setting('cache_expiry', value)
+
+    def _on_auto_manage_prefer_seeds(self, key, value):
+        self.core.apply_session_setting('auto_manage_prefer_seeds', value)

deluge/core/rpcserver.py

@@ -1,63 +1,52 @@
-#
-# rpcserver.py
+# -*- coding: utf-8 -*-
 #
 # Copyright (C) 2008,2009 Andrew Resch <andrewresch@gmail.com>
 #
-# Deluge is free software.
-#
-# You may redistribute it and/or modify it under the terms of the
-# GNU General Public License, as published by the Free Software
-# Foundation; either version 3 of the License, or (at your option)
-# any later version.
-#
-# deluge is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-# See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with deluge.    If not, write to:
-# 	The Free Software Foundation, Inc.,
-# 	51 Franklin Street, Fifth Floor
-# 	Boston, MA  02110-1301, USA.
-#
-#    In addition, as a special exception, the copyright holders give
-#    permission to link the code of portions of this program with the OpenSSL
-#    library.
-#    You must obey the GNU General Public License in all respects for all of
-#    the code used other than OpenSSL. If you modify file(s) with this
-#    exception, you may extend this exception to your version of the file(s),
-#    but you are not obligated to do so. If you do not wish to do so, delete
-#    this exception statement from your version. If you delete this exception
-#    statement from all source files in the program, then also delete it here.
-#
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
 #
 
 """RPCServer Module"""
+from __future__ import unicode_literals
 
-import sys
-import zlib
+import logging
 import os
 import stat
+import sys
 import traceback
-
-from twisted.internet.protocol import Factory, Protocol
-from twisted.internet import ssl, reactor, defer
-
-from OpenSSL import crypto, SSL
+from collections import namedtuple
 from types import FunctionType
 
-import deluge.rencode as rencode
-from deluge.log import LOG as log
+from OpenSSL import crypto
+from twisted.internet import defer, reactor
+from twisted.internet.protocol import Factory, connectionDone
 
 import deluge.component as component
 import deluge.configmanager
-from deluge.core.authmanager import AUTH_LEVEL_NONE, AUTH_LEVEL_DEFAULT
+from deluge.core.authmanager import (
+    AUTH_LEVEL_ADMIN,
+    AUTH_LEVEL_DEFAULT,
+    AUTH_LEVEL_NONE,
+)
+from deluge.crypto_utils import get_context_factory
+from deluge.error import (
+    DelugeError,
+    IncompatibleClient,
+    NotAuthorizedError,
+    WrappedException,
+    _ClientSideRecreateError,
+)
+from deluge.event import ClientDisconnectedEvent
+from deluge.transfer import DelugeTransferProtocol
 
 RPC_RESPONSE = 1
 RPC_ERROR = 2
 RPC_EVENT = 3
 
+log = logging.getLogger(__name__)
+
+
 def export(auth_level=AUTH_LEVEL_DEFAULT):
     """
     Decorator function to register an object's method as an RPC.  The object
@@ -69,17 +58,27 @@ def export(auth_level=AUTH_LEVEL_DEFAULT):
     :type auth_level: int
 
     """
+
     def wrap(func, *args, **kwargs):
         func._rpcserver_export = True
         func._rpcserver_auth_level = auth_level
-        doc = func.__doc__
-        func.__doc__ = "**RPC Exported Function** (*Auth Level: %s*)\n\n" % auth_level
-        if doc:
-            func.__doc__ += doc
+
+        rpc_text = '**RPC exported method** (*Auth level: %s*)' % auth_level
+
+        # Append the RPC text while ensuring correct docstring formatting.
+        if func.__doc__:
+            if func.__doc__.endswith('    '):
+                indent = func.__doc__.split('\n')[-1]
+                func.__doc__ += '\n{}'.format(indent)
+            else:
+                func.__doc__ += '\n\n'
+            func.__doc__ += rpc_text
+        else:
+            func.__doc__ = rpc_text
 
         return func
 
-    if type(auth_level) is FunctionType:
+    if isinstance(auth_level, FunctionType):
         func = auth_level
         auth_level = AUTH_LEVEL_DEFAULT
         return wrap(func)
@@ -99,88 +98,56 @@ def format_request(call):
 
     """
     try:
-        s = call[1] + "("
+        s = call[1] + '('
         if call[2]:
-            s += ", ".join([str(x) for x in call[2]])
+            s += ', '.join([str(x) for x in call[2]])
         if call[3]:
             if call[2]:
-                s += ", "
-            s += ", ".join([key + "=" + str(value) for key, value in call[3].items()])
-        s += ")"
+                s += ', '
+            s += ', '.join([key + '=' + str(value) for key, value in call[3].items()])
+        s += ')'
     except UnicodeEncodeError:
-        return "UnicodeEncodeError, call: %s" % call
+        return 'UnicodeEncodeError, call: %s' % call
     else:
         return s
 
-class DelugeError(Exception):
-    pass
 
-class NotAuthorizedError(DelugeError):
-    pass
+class DelugeRPCProtocol(DelugeTransferProtocol):
+    def __init__(self):
+        super(DelugeRPCProtocol, self).__init__()
+        # namedtuple subclass with auth_level, username for the connected session.
+        self.AuthLevel = namedtuple('SessionAuthlevel', 'auth_level, username')
 
-class ServerContextFactory(object):
-    def getContext(self):
+    def message_received(self, request):
         """
-        Create an SSL context.
-
-        This loads the servers cert/private key SSL files for use with the
-        SSL transport.
-        """
-        ssl_dir = deluge.configmanager.get_config_dir("ssl")
-        ctx = SSL.Context(SSL.SSLv3_METHOD)
-        ctx.use_certificate_file(os.path.join(ssl_dir, "daemon.cert"))
-        ctx.use_privatekey_file(os.path.join(ssl_dir, "daemon.pkey"))
-        return ctx
-
-class DelugeRPCProtocol(Protocol):
-    __buffer = None
-
-    def dataReceived(self, data):
-        """
-        This method is called whenever data is received from a client.  The
+        This method is called whenever a message is received from a client.  The
         only message that a client sends to the server is a RPC Request message.
         If the RPC Request message is valid, then the method is called in
         :meth:`dispatch`.
 
-        :param data: the data from the client. It should be a zlib compressed
-            rencoded string.
-        :type data: str
+        :param request: the request from the client.
+        :type data: tuple
 
         """
-        if self.__buffer:
-            # We have some data from the last dataReceived() so lets prepend it
-            data = self.__buffer + data
-            self.__buffer = None
-
-        while data:
-            dobj = zlib.decompressobj()
-            try:
-                request = rencode.loads(dobj.decompress(data))
-            except Exception, e:
-                #log.debug("Received possible invalid message (%r): %s", data, e)
-                # This could be cut-off data, so we'll save this in the buffer
-                # and try to prepend it on the next dataReceived()
-                self.__buffer = data
-                return
-            else:
-                data = dobj.unused_data
-
-            if type(request) is not tuple:
-                log.debug("Received invalid message: type is not tuple")
+        if not isinstance(request, tuple):
+            log.debug('Received invalid message: type is not tuple')
             return
 
         if len(request) < 1:
-                log.debug("Received invalid message: there are no items")
+            log.debug('Received invalid message: there are no items')
             return
 
         for call in request:
             if len(call) != 4:
-                    log.debug("Received invalid rpc request: number of items in request is %s", len(call))
+                log.debug(
+                    'Received invalid rpc request: number of items ' 'in request is %s',
+                    len(call),
+                )
                 continue
-                #log.debug("RPCRequest: %s", format_request(call))
+            # log.debug('RPCRequest: %s', format_request(call))
             reactor.callLater(0, self.dispatch, *call)
 
-    def sendData(self, data):
+    def sendData(self, data):  # NOQA: N802
         """
         Sends the data to the client.
 
@@ -189,18 +156,25 @@ class DelugeRPCProtocol(Protocol):
         :type data: object
 
         """
-        self.transport.write(zlib.compress(rencode.dumps(data)))
+        try:
+            self.transfer_message(data)
+        except Exception as ex:
+            log.warning('Error occurred when sending message: %s.', ex)
+            log.exception(ex)
+            raise
 
-    def connectionMade(self):
+    def connectionMade(self):  # NOQA: N802
         """
         This method is called when a new client connects.
         """
         peer = self.transport.getPeer()
-        log.info("Deluge Client connection made from: %s:%s", peer.host, peer.port)
+        log.info('Deluge Client connection made from: %s:%s', peer.host, peer.port)
         # Set the initial auth level of this session to AUTH_LEVEL_NONE
-        self.factory.authorized_sessions[self.transport.sessionno] = AUTH_LEVEL_NONE
+        self.factory.authorized_sessions[self.transport.sessionno] = self.AuthLevel(
+            AUTH_LEVEL_NONE, ''
+        )
 
-    def connectionLost(self, reason):
+    def connectionLost(self, reason=connectionDone):  # NOQA: N802
         """
         This method is called when the client is disconnected.
 
@@ -216,7 +190,14 @@ class DelugeRPCProtocol(Protocol):
         if self.transport.sessionno in self.factory.interested_events:
             del self.factory.interested_events[self.transport.sessionno]
 
-        log.info("Deluge client disconnected: %s", reason.value)
+        if self.factory.state == 'running':
+            component.get('EventManager').emit(
+                ClientDisconnectedEvent(self.factory.session_id)
+            )
+        log.info('Deluge client disconnected: %s', reason.value)
+
+    def valid_session(self):
+        return self.transport.sessionno in self.factory.authorized_sessions
 
     def dispatch(self, request_id, method, args, kwargs):
         """
@@ -234,38 +215,77 @@ class DelugeRPCProtocol(Protocol):
         :type kwargs: dict
 
         """
-        def sendError():
+
+        def send_error():
             """
             Sends an error response with the contents of the exception that was raised.
             """
-            exceptionType, exceptionValue, exceptionTraceback = sys.exc_info()
-
-            self.sendData((
+            exc_type, exc_value, dummy_exc_trace = sys.exc_info()
+            formated_tb = traceback.format_exc()
+            try:
+                self.sendData(
+                    (
                         RPC_ERROR,
                         request_id,
-                (exceptionType.__name__,
-                exceptionValue.args[0] if len(exceptionValue.args) == 1 else "",
-                "".join(traceback.format_tb(exceptionTraceback)))
-            ))
+                        exc_type.__name__,
+                        exc_value._args,
+                        exc_value._kwargs,
+                        formated_tb,
+                    )
+                )
+            except AttributeError:
+                # This is not a deluge exception (object has no attribute '_args), let's wrap it
+                log.warning(
+                    'An exception occurred while sending RPC_ERROR to '
+                    'client. Wrapping it and resending. Error to '
+                    'send(causing exception goes next):\n%s',
+                    formated_tb,
+                )
+                try:
+                    raise WrappedException(
+                        str(exc_value), exc_type.__name__, formated_tb
+                    )
+                except WrappedException:
+                    send_error()
+            except Exception as ex:
+                log.error(
+                    'An exception occurred while sending RPC_ERROR to client: %s', ex
+                )
 
-        if method == "daemon.login":
+        if method == 'daemon.info':
+            # This is a special case and used in the initial connection process
+            self.sendData((RPC_RESPONSE, request_id, deluge.common.get_version()))
+            return
+        elif method == 'daemon.login':
             # This is a special case and used in the initial connection process
             # We need to authenticate the user here
+            log.debug('RPC dispatch daemon.login')
             try:
-                ret = component.get("AuthManager").authorize(*args, **kwargs)
+                client_version = kwargs.pop('client_version', None)
+                if client_version is None:
+                    raise IncompatibleClient(deluge.common.get_version())
+                ret = component.get('AuthManager').authorize(*args, **kwargs)
                 if ret:
-                    self.factory.authorized_sessions[self.transport.sessionno] = ret
+                    self.factory.authorized_sessions[
+                        self.transport.sessionno
+                    ] = self.AuthLevel(ret, args[0])
                     self.factory.session_protocols[self.transport.sessionno] = self
-            except Exception, e:
-                sendError()
-                log.exception(e)
+            except Exception as ex:
+                send_error()
+                if not isinstance(ex, _ClientSideRecreateError):
+                    log.exception(ex)
             else:
                 self.sendData((RPC_RESPONSE, request_id, (ret)))
                 if not ret:
                     self.transport.loseConnection()
-            finally:
             return
-        elif method == "daemon.set_event_interest" and self.transport.sessionno in self.factory.authorized_sessions:
+
+        # Anything below requires a valid session
+        if not self.valid_session():
+            return
+
+        if method == 'daemon.set_event_interest':
+            log.debug('RPC dispatch daemon.set_event_interest')
             # This special case is to allow clients to set which events they are
             # interested in receiving.
             # We are expecting a sequence from the client.
@@ -273,49 +293,67 @@ class DelugeRPCProtocol(Protocol):
                 if self.transport.sessionno not in self.factory.interested_events:
                     self.factory.interested_events[self.transport.sessionno] = []
                 self.factory.interested_events[self.transport.sessionno].extend(args[0])
-            except Exception, e:
-                sendError()
+            except Exception:
+                send_error()
             else:
                 self.sendData((RPC_RESPONSE, request_id, (True)))
-            finally:
             return
 
-        if method in self.factory.methods and self.transport.sessionno in self.factory.authorized_sessions:
+        if method not in self.factory.methods:
+            try:
+                # Raise exception to be sent back to client
+                raise AttributeError('RPC call on invalid function: %s' % method)
+            except AttributeError:
+                send_error()
+                return
+
+        log.debug('RPC dispatch %s', method)
         try:
             method_auth_requirement = self.factory.methods[method]._rpcserver_auth_level
-                auth_level = self.factory.authorized_sessions[self.transport.sessionno]
+            auth_level = self.factory.authorized_sessions[
+                self.transport.sessionno
+            ].auth_level
             if auth_level < method_auth_requirement:
                 # This session is not allowed to call this method
-                    log.debug("Session %s is trying to call a method it is not authorized to call!", self.transport.sessionno)
-                    raise NotAuthorizedError("Auth level too low: %s < %s" % (auth_level, method_auth_requirement))
+                log.debug(
+                    'Session %s is attempting an unauthorized method call!',
+                    self.transport.sessionno,
+                )
+                raise NotAuthorizedError(auth_level, method_auth_requirement)
             # Set the session_id in the factory so that methods can know
             # which session is calling it.
             self.factory.session_id = self.transport.sessionno
             ret = self.factory.methods[method](*args, **kwargs)
-            except Exception, e:
-                sendError()
-                # Don't bother printing out DelugeErrors, because they are just for the client
-                if not isinstance(e, DelugeError):
-                    log.exception("Exception calling RPC request: %s", e)
+        except Exception as ex:
+            send_error()
+            # Don't bother printing out DelugeErrors, because they are just
+            # for the client
+            if not isinstance(ex, DelugeError):
+                log.exception('Exception calling RPC request: %s', ex)
         else:
             # Check if the return value is a deferred, since we'll need to
             # wait for it to fire before sending the RPC_RESPONSE
             if isinstance(ret, defer.Deferred):
+
                 def on_success(result):
+                    try:
                         self.sendData((RPC_RESPONSE, request_id, result))
+                    except Exception:
+                        send_error()
                     return result
 
                 def on_fail(failure):
                     try:
                         failure.raiseException()
-                        except Exception, e:
-                            sendError()
+                    except Exception:
+                        send_error()
                     return failure
 
                 ret.addCallbacks(on_success, on_fail)
             else:
                 self.sendData((RPC_RESPONSE, request_id, ret))
 
+
 class RPCServer(component.Component):
     """
     This class is used to handle rpc requests from the client.  Objects are
@@ -332,12 +370,13 @@ class RPCServer(component.Component):
     :type listen: bool
     """
 
-    def __init__(self, port=58846, interface="", allow_remote=False, listen=True):
-        component.Component.__init__(self, "RPCServer")
+    def __init__(self, port=58846, interface='', allow_remote=False, listen=True):
+        component.Component.__init__(self, 'RPCServer')
 
         self.factory = Factory()
         self.factory.protocol = DelugeRPCProtocol
         self.factory.session_id = -1
+        self.factory.state = 'running'
 
         # Holds the registered methods
         self.factory.methods = {}
@@ -348,28 +387,33 @@ class RPCServer(component.Component):
         # Holds the interested event list for the sessions
         self.factory.interested_events = {}
 
+        self.listen = listen
         if not listen:
             return
 
         if allow_remote:
-            hostname = ""
+            hostname = ''
         else:
-            hostname = "localhost"
+            hostname = 'localhost'
 
         if interface:
             hostname = interface
 
-        log.info("Starting DelugeRPC server %s:%s", hostname, port)
+        log.info('Starting DelugeRPC server %s:%s', hostname, port)
 
         # Check for SSL keys and generate some if needed
         check_ssl_keys()
 
+        cert = os.path.join(deluge.configmanager.get_config_dir('ssl'), 'daemon.cert')
+        pkey = os.path.join(deluge.configmanager.get_config_dir('ssl'), 'daemon.pkey')
+
         try:
-            reactor.listenSSL(port, self.factory, ServerContextFactory(), interface=hostname)
-        except Exception, e:
-            log.info("Daemon already running or port not available..")
-            log.error(e)
-            sys.exit(0)
+            reactor.listenSSL(
+                port, self.factory, get_context_factory(cert, pkey), interface=hostname
+            )
+        except Exception as ex:
+            log.debug('Daemon already running or port not available.: %s', ex)
+            raise
 
     def register_object(self, obj, name=None):
         """
@@ -385,11 +429,22 @@ class RPCServer(component.Component):
             name = obj.__class__.__name__.lower()
 
         for d in dir(obj):
-            if d[0] == "_":
+            if d[0] == '_':
                 continue
             if getattr(getattr(obj, d), '_rpcserver_export', False):
-                log.debug("Registering method: %s", name + "." + d)
-                self.factory.methods[name + "." + d] = getattr(obj, d)
+                log.debug('Registering method: %s', name + '.' + d)
+                self.factory.methods[name + '.' + d] = getattr(obj, d)
+
+    def deregister_object(self, obj):
+        """
+        Deregisters an objects exported rpc methods.
+
+        :param obj: the object that was previously registered
+
+        """
+        for key, value in self.factory.methods.items():
+            if value.__self__ == obj:
+                del self.factory.methods[key]
 
     def get_object_method(self, name):
         """
@@ -412,7 +467,7 @@ class RPCServer(component.Component):
         :returns: the exported methods
         :rtype: list
         """
-        return self.factory.methods.keys()
+        return list(self.factory.methods)
 
     def get_session_id(self):
         """
@@ -424,6 +479,43 @@ class RPCServer(component.Component):
         """
         return self.factory.session_id
 
+    def get_session_user(self):
+        """
+        Returns the username calling the current RPC.
+
+        :returns: the username of the user calling the current RPC
+        :rtype: string
+
+        """
+        if not self.listen:
+            return 'localclient'
+        session_id = self.get_session_id()
+        if session_id > -1 and session_id in self.factory.authorized_sessions:
+            return self.factory.authorized_sessions[session_id].username
+        else:
+            # No connections made yet
+            return ''
+
+    def get_session_auth_level(self):
+        """
+        Returns the auth level of the user calling the current RPC.
+
+        :returns: the auth level
+        :rtype: int
+        """
+        if not self.listen or not self.is_session_valid(self.get_session_id()):
+            return AUTH_LEVEL_ADMIN
+        return self.factory.authorized_sessions[self.get_session_id()].auth_level
+
+    def get_rpc_auth_level(self, rpc):
+        """
+        Returns the auth level requirement for an exported rpc.
+
+        :returns: the auth level
+        :rtype: int
+        """
+        return self.factory.methods[rpc]._rpcserver_auth_level
+
     def is_session_valid(self, session_id):
         """
         Checks if the session is still valid, eg, if the client is still connected.
@@ -444,44 +536,92 @@ class RPCServer(component.Component):
         :param event: the event to emit
         :type event: :class:`deluge.event.DelugeEvent`
         """
-        log.debug("intevents: %s", self.factory.interested_events)
+        log.debug('intevents: %s', self.factory.interested_events)
         # Find sessions interested in this event
-        for session_id, interest in self.factory.interested_events.iteritems():
+        for session_id, interest in self.factory.interested_events.items():
             if event.name in interest:
-                log.debug("Emit Event: %s %s", event.name, event.args)
+                log.debug('Emit Event: %s %s', event.name, event.args)
                 # This session is interested so send a RPC_EVENT
                 self.factory.session_protocols[session_id].sendData(
                     (RPC_EVENT, event.name, event.args)
                 )
 
+    def emit_event_for_session_id(self, session_id, event):
+        """
+        Emits the event to specified session_id.
+
+        :param session_id: the event to emit
+        :type session_id: int
+        :param event: the event to emit
+        :type event: :class:`deluge.event.DelugeEvent`
+        """
+        if not self.is_session_valid(session_id):
+            log.debug(
+                'Session ID %s is not valid. Not sending event "%s".',
+                session_id,
+                event.name,
+            )
+            return
+        if session_id not in self.factory.interested_events:
+            log.debug(
+                'Session ID %s is not interested in any events. Not sending event "%s".',
+                session_id,
+                event.name,
+            )
+            return
+        if event.name not in self.factory.interested_events[session_id]:
+            log.debug(
+                'Session ID %s is not interested in event "%s". Not sending it.',
+                session_id,
+                event.name,
+            )
+            return
+        log.debug(
+            'Sending event "%s" with args "%s" to session id "%s".',
+            event.name,
+            event.args,
+            session_id,
+        )
+        self.factory.session_protocols[session_id].sendData(
+            (RPC_EVENT, event.name, event.args)
+        )
+
+    def stop(self):
+        self.factory.state = 'stopping'
+
+
 def check_ssl_keys():
     """
     Check for SSL cert/key and create them if necessary
     """
-    ssl_dir = deluge.configmanager.get_config_dir("ssl")
+    ssl_dir = deluge.configmanager.get_config_dir('ssl')
     if not os.path.exists(ssl_dir):
         # The ssl folder doesn't exist so we need to create it
         os.makedirs(ssl_dir)
         generate_ssl_keys()
     else:
-        for f in ("daemon.pkey", "daemon.cert"):
+        for f in ('daemon.pkey', 'daemon.cert'):
             if not os.path.exists(os.path.join(ssl_dir, f)):
                 generate_ssl_keys()
                 break
 
+
 def generate_ssl_keys():
     """
     This method generates a new SSL key/cert.
     """
-    digest = "md5"
+    from deluge.common import PY2
+
+    digest = 'sha256' if not PY2 else b'sha256'
+
     # Generate key pair
     pkey = crypto.PKey()
-    pkey.generate_key(crypto.TYPE_RSA, 1024)
+    pkey.generate_key(crypto.TYPE_RSA, 2048)
 
     # Generate cert request
     req = crypto.X509Req()
     subj = req.get_subject()
-    setattr(subj, "CN", "Deluge Daemon")
+    setattr(subj, 'CN', 'Deluge Daemon')
     req.set_pubkey(pkey)
     req.sign(pkey, digest)
 
@@ -489,16 +629,18 @@ def generate_ssl_keys():
     cert = crypto.X509()
     cert.set_serial_number(0)
     cert.gmtime_adj_notBefore(0)
-    cert.gmtime_adj_notAfter(60*60*24*365*5) # Five Years
+    cert.gmtime_adj_notAfter(60 * 60 * 24 * 365 * 3)  # Three Years
     cert.set_issuer(req.get_subject())
     cert.set_subject(req.get_subject())
     cert.set_pubkey(req.get_pubkey())
     cert.sign(pkey, digest)
 
     # Write out files
-    ssl_dir = deluge.configmanager.get_config_dir("ssl")
-    open(os.path.join(ssl_dir, "daemon.pkey"), "w").write(crypto.dump_privatekey(crypto.FILETYPE_PEM, pkey))
-    open(os.path.join(ssl_dir, "daemon.cert"), "w").write(crypto.dump_certificate(crypto.FILETYPE_PEM, cert))
+    ssl_dir = deluge.configmanager.get_config_dir('ssl')
+    with open(os.path.join(ssl_dir, 'daemon.pkey'), 'wb') as _file:
+        _file.write(crypto.dump_privatekey(crypto.FILETYPE_PEM, pkey))
+    with open(os.path.join(ssl_dir, 'daemon.cert'), 'wb') as _file:
+        _file.write(crypto.dump_certificate(crypto.FILETYPE_PEM, cert))
     # Make the files only readable by this user
-    for f in ("daemon.pkey", "daemon.cert"):
+    for f in ('daemon.pkey', 'daemon.cert'):
         os.chmod(os.path.join(ssl_dir, f), stat.S_IREAD | stat.S_IWRITE)

deluge/crypto_utils.py

@@ -0,0 +1,79 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2007,2008 Andrew Resch <andrewresch@gmail.com>
+#
+# This file is part of Deluge and is licensed under GNU General Public License 3.0, or later, with
+# the additional special exception to link portions of this program with the OpenSSL library.
+# See LICENSE for more details.
+#
+
+from __future__ import division, print_function, unicode_literals
+
+from OpenSSL.crypto import FILETYPE_PEM
+from twisted.internet.ssl import (
+    AcceptableCiphers,
+    Certificate,
+    CertificateOptions,
+    KeyPair,
+    TLSVersion,
+)
+
+# A TLS ciphers list.
+# Sources for more information on TLS ciphers:
+# - https://wiki.mozilla.org/Security/Server_Side_TLS
+# - https://www.ssllabs.com/projects/best-practices/index.html
+# - https://hynek.me/articles/hardening-your-web-servers-ssl-ciphers/
+#
+# This list was inspired by the `urllib3` library
+# - https://github.com/urllib3/urllib3/blob/master/urllib3/util/ssl_.py#L79
+#
+# The general intent is:
+# - prefer cipher suites that offer perfect forward secrecy (ECDHE),
+# - prefer AES-GCM over ChaCha20 because hardware-accelerated AES is common,
+# - disable NULL authentication, MD5 MACs and DSS for security reasons.
+TLS_CIPHERS = ':'.join(
+    [
+        'ECDH+AESGCM',
+        'ECDH+CHACHA20',
+        'AES256-GCM-SHA384',
+        'AES128-GCM-SHA256',
+        '!DSS' '!aNULL',
+        '!eNULL',
+        '!MD5',
+    ]
+)
+
+# This value tells OpenSSL to disable all SSL/TLS renegotiation.
+SSL_OP_NO_RENEGOTIATION = 0x40000000
+
+
+def get_context_factory(cert_path, pkey_path):
+    """OpenSSL context factory.
+
+    Generates an OpenSSL context factory using Twisted's CertificateOptions class.
+    This will keep a server cipher order.
+
+    Args:
+        cert_path (string): The path to the certificate file
+        pkey_path (string): The path to the private key file
+
+    Returns:
+        twisted.internet.ssl.CertificateOptions: An OpenSSL context factory
+    """
+
+    with open(cert_path) as cert:
+        certificate = Certificate.loadPEM(cert.read()).original
+    with open(pkey_path) as pkey:
+        private_key = KeyPair.load(pkey.read(), FILETYPE_PEM).original
+    ciphers = AcceptableCiphers.fromOpenSSLCipherString(TLS_CIPHERS)
+    cert_options = CertificateOptions(
+        privateKey=private_key,
+        certificate=certificate,
+        raiseMinimumTo=TLSVersion.TLSv1_2,
+        acceptableCiphers=ciphers,
+    )
+    ctx = cert_options.getContext()
+    ctx.use_certificate_chain_file(cert_path)
+    ctx.set_options(SSL_OP_NO_RENEGOTIATION)
+
+    return cert_options

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deluge/data/pixmaps/flags/FLAGS_LICENCE

@@ -1,2 +0,0 @@
-From: http://famfamfam.com/lab/icons/flags/
-"These flag icons are available for free use for any purpose with no requirement for attribution."