Adding handling for Trillain informational messages

chat_unifier/parsers/trillian/line_parser.py

@@ -24,6 +24,9 @@ class InvalidMessageType(Error):
     'SessionStopLine',
     field_names=['timestamp', 'medium', 'sender', 'recipient'])
 
+InformationalMessageLine = collections.namedtuple(
+    'InformationalMessageLine', field_names=['timestamp', 'medium', 'contents'])
+
 OutgoingPrivateMessageLine = collections.namedtuple(
     'OutgoingPrivateMessageLine',
     field_names=[
@@ -86,14 +89,23 @@ def _parse_message_attributes(attributes):
     except KeyError:
         raise InvalidMessageType('Message element has no \'type\' attribute')
 
-    if message_type == u'outgoing_privateMessage':
+    if message_type == u'information_standard':
+        return _parse_informational_message(attributes)
+    elif message_type == u'outgoing_privateMessage':
         return _parse_outgoing_message(attributes)
     elif message_type == u'incoming_privateMessage':
         return _parse_incoming_message(attributes)
     else:
         raise InvalidMessageType('Unrecognized message type: %s' % message_type)
 
 
+def _parse_informational_message(attributes):
+    return InformationalMessageLine(
+        timestamp=_parse_timestamp_attribute(attributes[u'time']),
+        medium=attributes[u'medium'],
+        contents=_decode_message_text(attributes[u'text']))
+
+
 def _parse_outgoing_message(attributes):
     return OutgoingPrivateMessageLine(
         timestamp=_parse_timestamp_attribute(attributes[u'time']),

tests/parsers/trillian/test_line_parser.py

@@ -62,6 +62,16 @@ def test_parses_valid_incoming_private_message_line(self):
                 '<message type="incoming_privateMessage" time="1124933025" medium="AIM" to="LocalUser222" from="RemoteBuddy555" from_display="Steve" text="hmm%2E%2E%2E%20no%20thanks"/>'
             ))
 
+    def test_parses_valid_informational_message_line(self):
+        self.assertEqual(
+            line_parser.InformationalMessageLine(
+                timestamp=datetime.datetime(2005, 9, 11, 3, 35, 37),
+                medium='AIM',
+                contents='"Steve" signed on at Sat Sep 10 23:35:37 2005.'),
+            line_parser.parse(
+                '<message type="information_standard" time="1126409737" medium="AIM" text="%22Steve%22%20signed%20on%20at%20Sat%20Sep%2010%2023%3A35%3A37%202005%2E"/>'
+            ))
+
     def test_invalid_message_type_raises_exception(self):
         with self.assertRaises(line_parser.InvalidMessageType):
             line_parser.parse('<message type="dummy_invalid_type" />')