Add send_as and effect parameters in high level

telethon/client/messages.py

@@ -644,6 +644,8 @@ class MessageMethods:
             schedule: 'hints.DateLike' = None,
             comment_to: 'typing.Union[int, types.Message]' = None,
             nosound_video: bool = None,
+            send_as: typing.Optional['hints.EntityLike'] = None,
+            message_effect_id: typing.Optional[int] = None
     ) -> 'types.Message':
         """
         Sends a message to the specified user, chat or channel.
@@ -766,6 +768,16 @@ class MessageMethods:
                 on non-video files. This is set to ``True`` for albums, as gifs
                 cannot be sent in albums.
 
+            send_as (`entity`):
+                Unique identifier (int) or username (str) of the chat or channel to send the message as.
+                You can use this to send the message on behalf of a chat or channel where you have appropriate permissions.
+                Use the GetSendAs to return the list of message sender identifiers, which can be used to send messages in the chat,
+                This setting applies to the current message and will remain effective for future messages unless explicitly changed.
+                To set this behavior permanently for all messages, use SaveDefaultSendAs.
+
+            message_effect_id (`int`, optional):
+                Unique identifier of the message effect to be added to the message; for private chats only
+
         Returns
             The sent `custom.Message <telethon.tl.custom.message.Message>`.
 
@@ -838,6 +850,7 @@ class MessageMethods:
                 formatting_entities=formatting_entities,
                 comment_to=comment_to, background=background,
                 nosound_video=nosound_video,
+                send_as=send_as, message_effect_id=message_effect_id
             )
 
         entity = await self.get_input_entity(entity)
@@ -867,7 +880,8 @@ class MessageMethods:
                     buttons=markup,
                     formatting_entities=message.entities,
                     parse_mode=None,  # explicitly disable parse_mode to force using even empty formatting_entities
-                    schedule=schedule
+                    schedule=schedule,
+                    send_as=send_as, message_effect_id=message_effect_id
                 )
 
             request = functions.messages.SendMessageRequest(
@@ -881,7 +895,9 @@ class MessageMethods:
                 clear_draft=clear_draft,
                 no_webpage=not isinstance(
                     message.media, types.MessageMediaWebPage),
-                schedule_date=schedule
+                schedule_date=schedule,
+                send_as=await self.get_input_entity(send_as) if send_as else None,
+                effect=message_effect_id
             )
             message = message.message
         else:
@@ -902,7 +918,9 @@ class MessageMethods:
                 silent=silent,
                 background=background,
                 reply_markup=self.build_reply_markup(buttons),
-                schedule_date=schedule
+                schedule_date=schedule,
+                send_as=await self.get_input_entity(send_as) if send_as else None,
+                effect=message_effect_id
             )
 
         result = await self(request)

telethon/client/uploads.py

@@ -140,6 +140,8 @@ class UploadMethods:
             comment_to: 'typing.Union[int, types.Message]' = None,
             ttl: int = None,
             nosound_video: bool = None,
+            send_as: typing.Optional['hints.EntityLike'] = None,
+            message_effect_id: typing.Optional[int] = None,
             **kwargs) -> typing.Union[typing.List[typing.Any], typing.Any]:
         """
         Sends message with the given file to the specified entity.
@@ -322,6 +324,16 @@ class UploadMethods:
                 on non-video files. This is set to ``True`` for albums, as gifs
                 cannot be sent in albums.
 
+            send_as (`entity`):
+                Unique identifier (int) or username (str) of the chat or channel to send the message as.
+                You can use this to send the message on behalf of a chat or channel where you have appropriate permissions.
+                Use the GetSendAs to return the list of message sender identifiers, which can be used to send messages in the chat,
+                This setting applies to the current message and will remain effective for future messages unless explicitly changed.
+                To set this behavior permanently for all messages, use SaveDefaultSendAs.
+
+            message_effect_id (`int`, optional):
+                Unique identifier of the message effect to be added to the message; for private chats only
+
         Returns
             The `Message <telethon.tl.custom.message.Message>` (or messages)
             containing the sent file, or messages if a list of them was passed.
@@ -421,6 +433,7 @@ class UploadMethods:
                     parse_mode=parse_mode, silent=silent, schedule=schedule,
                     supports_streaming=supports_streaming, clear_draft=clear_draft,
                     force_document=force_document, background=background,
+                    send_as=send_as, message_effect_id=message_effect_id
                 )
                 file = file[10:]
                 captions = captions[10:]
@@ -455,7 +468,9 @@ class UploadMethods:
             entity, media, reply_to=reply_to, message=caption,
             entities=msg_entities, reply_markup=markup, silent=silent,
             schedule_date=schedule, clear_draft=clear_draft,
-            background=background
+            background=background,
+            send_as=await self.get_input_entity(send_as) if send_as else None,
+            effect=message_effect_id
         )
         return self._get_response_message(request, await self(request), entity)
 
@@ -464,7 +479,9 @@ class UploadMethods:
                           progress_callback=None, reply_to=None,
                           parse_mode=(), silent=None, schedule=None,
                           supports_streaming=None, clear_draft=None,
-                          force_document=False, background=None, ttl=None):
+                          force_document=False, background=None, ttl=None,
+                          send_as: typing.Optional['hints.EntityLike'] = None,
+                          message_effect_id: typing.Optional[int] = None):
         """Specialized version of .send_file for albums"""
         # We don't care if the user wants to avoid cache, we will use it
         # anyway. Why? The cached version will be exactly the same thing
@@ -539,7 +556,9 @@ class UploadMethods:
         request = functions.messages.SendMultiMediaRequest(
             entity, reply_to=None if reply_to is None else types.InputReplyToMessage(reply_to), multi_media=media,
             silent=silent, schedule_date=schedule, clear_draft=clear_draft,
-            background=background
+            background=background,
+            send_as=await self.get_input_entity(send_as) if send_as else None,
+            effect=message_effect_id
         )
         result = await self(request)