Split off meetings code

i2p2www/meetings/helpers.py

@@ -0,0 +1,77 @@
+import codecs
+import datetime
+from docutils.core import publish_parts
+from flask import abort, g, safe_join, url_for
+import os
+import os.path
+
+from i2p2www import MEETINGS_DIR
+
+
+########################
+# Meeting helper methods
+
+def get_meetings_feed_items(num=0):
+    meetings = get_meetings(num)
+    items = []
+    for meeting in meetings:
+        a = {}
+        a['title'] = meeting['parts']['title']
+        a['content'] = meeting['parts']['fragment']
+        a['url'] = url_for('meetings_show', lang=g.lang, id=meeting['id'])
+        a['updated'] = (meeting['date'] if meeting['date'] else datetime.datetime(0))
+        items.append(a)
+    return items
+
+def get_meetings(num=0):
+    meetings_ids = get_meetings_ids(num)
+    meetings = []
+    for id in meetings_ids:
+        parts = render_meeting_rst(id)
+        if parts:
+            try:
+                date = datetime.datetime.strptime(parts['title'], 'I2P dev meeting, %B %d, %Y @ %H:%M %Z')
+            except ValueError:
+                try:
+                    date = datetime.datetime.strptime(parts['title'], 'I2P dev meeting, %B %d, %Y')
+                except ValueError:
+                    date = None
+            a = {}
+            a['id'] = id
+            a['date'] = date
+            a['parts'] = parts
+            meetings.append(a)
+    return meetings
+
+def get_meetings_ids(num=0):
+    """
+    Returns the latest #num valid meetings, or all meetings if num=0.
+    """
+    # list of meetings
+    meetings=[]
+    # walk over all directories/files
+    for v in os.walk(MEETINGS_DIR):
+        # iterate over all files
+        for f in v[2]:
+            # ignore all non-.rst files
+            if not f.endswith('.rst'):
+                continue
+            meetings.append(int(f[:-4]))
+    meetings.sort()
+    meetings.reverse()
+    if (num > 0):
+        return meetings[:num]
+    return meetings
+
+def render_meeting_rst(id):
+    # check if that file actually exists
+    name = str(id) + '.rst'
+    path = safe_join(MEETINGS_DIR, name)
+    if not os.path.exists(path):
+        abort(404)
+
+    # read file
+    with codecs.open(path, encoding='utf-8') as fd:
+        content = fd.read()
+
+    return publish_parts(source=content, source_path=MEETINGS_DIR, writer_name="html")