Fix pattern= and move pattern_match to events.NewMessage

telethon/events/common.py

@@ -85,25 +85,9 @@ class EventCommon(abc.ABC):
     """
     Intermediate class with common things to all events.
 
-    Attributes:
-        pattern_match (`obj`):
-            The resulting object from calling the passed ``pattern`` function.
-            Here's an example using a string (defaults to regex match):
-
-            >>> from telethon import TelegramClient, events
-            >>> client = TelegramClient(...)
-            >>>
-            >>> @client.on(events.NewMessage(pattern=r'hi (\w+)!'))
-            ... def handler(event):
-            ...     # In this case, the result is a ``Match`` object
-            ...     # since the ``str`` pattern was converted into
-            ...     # the ``re.compile(pattern).match`` function.
-            ...     print('Welcomed', event.pattern_match.group(1))
-            ...
-            >>>
-
-        original_update (:tl:`Update`):
-            The original Telegram update object that caused this event.
+    All events (except `Raw`) have ``is_private``, ``is_group``
+    and ``is_channel`` boolean properties, as well as an
+    ``original_update`` field containing the original :tl:`Update`.
     """
     _event_name = 'Event'
 
@@ -114,8 +98,6 @@ class EventCommon(abc.ABC):
         self._message_id = msg_id
         self._input_chat = None
         self._chat = None
-
-        self.pattern_match = None
         self.original_update = None
 
         self.is_private = isinstance(chat_peer, types.PeerUser)

telethon/events/newmessage.py

@@ -67,7 +67,7 @@ class NewMessage(EventBuilder):
 
         # Should we short-circuit? E.g. perform no check at all
         self._no_check = all(x is None for x in (
-            self.chats, self.incoming, self.outgoing,
+            self.chats, self.incoming, self.outgoing, self.pattern,
             self.from_users, self.forwards, self.from_users
         ))
 
@@ -166,6 +166,22 @@ class NewMessage(EventBuilder):
 
                 See `telethon.tl.custom.message.Message` for the rest of
                 available members and methods.
+
+            pattern_match (`obj`):
+                The resulting object from calling the passed ``pattern`` function.
+                Here's an example using a string (defaults to regex match):
+
+                >>> from telethon import TelegramClient, events
+                >>> client = TelegramClient(...)
+                >>>
+                >>> @client.on(events.NewMessage(pattern=r'hi (\w+)!'))
+                ... def handler(event):
+                ...     # In this case, the result is a ``Match`` object
+                ...     # since the ``str`` pattern was converted into
+                ...     # the ``re.compile(pattern).match`` function.
+                ...     print('Welcomed', event.pattern_match.group(1))
+                ...
+                >>>
         """
         def __init__(self, message):
             self.__dict__['_init'] = False
@@ -179,6 +195,7 @@ class NewMessage(EventBuilder):
             super().__init__(chat_peer=chat_peer,
                              msg_id=message.id, broadcast=bool(message.post))
 
+            self.pattern_match = None
             self.message = message
 
         def _set_client(self, client):