Add a way to continue the update propagation within a group

Add continue_propagation() method and ContinuePropagation exception
Closes #212

pyrogram/__init__.py

@@ -32,7 +32,8 @@ from .client.types import (
     Location, Message, MessageEntity, Dialog, Dialogs, Photo, PhotoSize, Sticker, User, UserStatus,
     UserProfilePhotos, Venue, Animation, Video, VideoNote, Voice, CallbackQuery, Messages, ForceReply,
     InlineKeyboardButton, InlineKeyboardMarkup, KeyboardButton, ReplyKeyboardMarkup, ReplyKeyboardRemove,
-    Poll, PollOption, ChatPreview, StopPropagation, Game, CallbackGame, GameHighScore, GameHighScores
+    Poll, PollOption, ChatPreview, StopPropagation, ContinuePropagation, Game, CallbackGame, GameHighScore,
+    GameHighScores
 )
 from .client import (
     Client, ChatAction, ParseMode, Emoji,

pyrogram/client/dispatcher/dispatcher.py

@@ -151,6 +151,8 @@ class Dispatcher:
                             handler.callback(self.client, *args)
                         except pyrogram.StopPropagation:
                             raise
+                        except pyrogram.ContinuePropagation:
+                            continue
                         except Exception as e:
                             log.error(e, exc_info=True)
 

pyrogram/client/types/__init__.py

@@ -30,7 +30,7 @@ from .messages_and_media import (
     Sticker, Venue, Video, VideoNote, Voice, UserProfilePhotos,
     Message, Messages, MessageEntity, Poll, PollOption, Game
 )
-from .update import StopPropagation
+from .update import StopPropagation, ContinuePropagation
 from .user_and_chats import (
     Chat, ChatMember, ChatMembers, ChatPhoto,
     Dialog, Dialogs, User, UserStatus, ChatPreview

pyrogram/client/types/update.py

@@ -21,6 +21,13 @@ class StopPropagation(StopIteration):
     pass
 
 
+class ContinuePropagation(StopIteration):
+    pass
+
+
 class Update:
     def stop_propagation(self):
         raise StopPropagation
+
+    def continue_propagation(self):
+        raise ContinuePropagation