Partial update to layer 120

telethon/client/messages.py

@@ -1247,7 +1247,7 @@ class MessageMethods:
             notify: bool = False
     ):
         """
-        Pins or unpins a message in a chat.
+        Pins a message in a chat.
 
         The default behaviour is to *not* notify members, unlike the
         official applications.

telethon/events/chataction.py

@@ -31,14 +31,15 @@ class ChatAction(EventBuilder):
     """
     @classmethod
     def build(cls, update, others=None, self_id=None):
-        if isinstance(update, types.UpdateChannelPinnedMessage) and update.id == 0:
+        raise RuntimeError('FIXME: handle new pinned updates')
+        if isinstance(update, types.UpdatePinnedChannelMessages) and update.id == 0:
             # Telegram does not always send
             # UpdateChannelPinnedMessage for new pins
             # but always for unpin, with update.id = 0
             return cls.Event(types.PeerChannel(update.channel_id),
                              unpin=True)
 
-        elif isinstance(update, types.UpdateChatPinnedMessage) and update.id == 0:
+        elif isinstance(update, types.UpdatePinnedMessages) and update.id == 0:
             return cls.Event(types.PeerChat(update.chat_id),
                              unpin=True)
 

telethon/tl/custom/message.py

@@ -61,6 +61,9 @@ class Message(ChatGetter, SenderGetter, TLObject, abc.ABC):
             Whether the edited mark of this message is edited
             should be hidden (e.g. in GUI clients) or shown.
 
+        pinned (`bool`):
+            Whether this message is currently pinned or not.
+
         id (`int`):
             The ID of this message. This field is *always* present.
             Any other member is optional and may be `None`.
@@ -166,8 +169,8 @@ class Message(ChatGetter, SenderGetter, TLObject, abc.ABC):
             fwd_from=None, via_bot_id=None, media=None, reply_markup=None,
             entities=None, views=None, edit_date=None, post_author=None,
             grouped_id=None, from_scheduled=None, legacy=None,
-            edit_hide=None, restriction_reason=None, forwards=None,
-            replies=None,
+            edit_hide=None, pinned=None, restriction_reason=None,
+            forwards=None, replies=None,
 
             # For MessageAction (mandatory)
             action=None):
@@ -195,6 +198,7 @@ class Message(ChatGetter, SenderGetter, TLObject, abc.ABC):
         self.forwards = forwards
         self.replies = replies
         self.edit_date = edit_date
+        self.pinned = pinned
         self.post_author = post_author
         self.grouped_id = grouped_id
         self.restriction_reason = restriction_reason