Fix utils.get_peer not handling Self in get_messages

telethon/client/messages.py

@@ -290,7 +290,7 @@ class _IDsIter(RequestIter):
         else:
             r = await self.client(functions.messages.GetMessagesRequest(ids))
             if self._entity:
-                from_id = utils.get_peer(self._entity)
+                from_id = await self.client._get_peer(self._entity)
 
         if isinstance(r, types.messages.MessagesNotModified):
             self.buffer.extend(None for _ in ids)
@@ -804,7 +804,7 @@ class MessageMethods:
         if isinstance(result, types.UpdateShortSentMessage):
             message = types.Message(
                 id=result.id,
-                peer_id=utils.get_peer(entity),
+                peer_id=await self.client.get_peer(entity),
                 message=message,
                 date=result.date,
                 out=result.out,

telethon/client/users.py

@@ -463,6 +463,10 @@ class UserMethods:
             .format(peer)
         )
 
+    async def _get_peer(self: 'TelegramClient', peer: 'hints.EntityLike'):
+        i, cls = utils.resolve_id(await self.get_peer_id(peer))
+        return cls(i)
+
     async def get_peer_id(
             self: 'TelegramClient',
             peer: 'hints.EntityLike',

telethon/version.py

@@ -1,3 +1,3 @@
 # Versions should comply with PEP440.
 # This line is parsed in setup.py:
-__version__ = '1.17.1'
+__version__ = '1.17.2'