Fix: Register RawUpdateHandler and Refactor Dispatcher for Better Modularity.

Signed-off-by: Ling-ex <nekochan@rizkiofficial.com>

pyrogram/dispatcher.py

@@ -21,6 +21,7 @@ import asyncio
 import inspect
 import logging
 from collections import OrderedDict
+from typing import Any
 
 import pyrogram
 from pyrogram import raw, types, utils
@@ -337,59 +338,88 @@ class Dispatcher:
     async def handler_worker(self, lock: asyncio.Lock):
         while True:
             packet = await self.updates_queue.get()
+
             if packet is None:
                 break
-            await self._process_packet(packet, lock)
 
-    async def _process_packet(
+            try:
-        self,
+                await self._handle_packet(packet, lock)
-        packet: tuple[raw.core.TLObject, dict[int, types.Update], dict[int, types.Update]],
+            except pyrogram.StopPropagation:
-        lock: asyncio.Lock,
+                pass
+            except Exception as e:
+                log.exception(e)
+            finally:
+                self.updates_queue.task_done()
+
+    async def _handle_packet(self, packet, lock: asyncio.Lock):
+        update, users, chats = packet
+        parser = self.update_parsers.get(type(update))
+
+        parsed_update, handler_type = (
+            await parser(update, users, chats)
+            if parser is not None else (None, type(None))
+        )
+        async with lock:
+            await self._dispatch_to_handlers(update, users, chats, parsed_update, handler_type)
+
+
+    async def _dispatch_to_handlers(
+        self, update, users, chats, parsed_update, handler_type,
+    ):
+        for group in self.groups.values():
+            for handler in group:
+                args = await self._match_handler(
+                    handler, update, users, chats, parsed_update, handler_type,
+                )
+                if args is None:
+                    continue
+
+                try:
+                    await self._execute_handler(handler, *args)
+                except pyrogram.StopPropagation:
+                    raise
+                except pyrogram.ContinuePropagation:
+                    continue
+                except Exception as error:
+                    if parsed_update is not None:
+                        await self._handle_exception(parsed_update, error)
+                break
+
+    async def _match_handler(
+        self, handler, update, users, chats, parsed_update, handler_type,
     ):
         try:
-            update, users, chats = packet
+            if isinstance(handler, handler_type):
-            parser = self.update_parsers.get(type(update))
+                if await handler.check(self.client, parsed_update):
-
+                    return (parsed_update,)
-            if parser is not None:
+            elif isinstance(handler, RawUpdateHandler):
-                parsed_result = parser(update, users, chats)
+                if await handler.check(self.client, update):
-                if inspect.isawaitable(parsed_result):
+                    return (update, users, chats)
-                    parsed_update, handler_type = await parsed_result
-                else:
-                    parsed_update, handler_type = parsed_result
-            else:
-                parsed_update, handler_type = (None, type(None))
-
-            async with lock:
-                for group in self.groups.values():
-                    for handler in group:
-                        try:
-                            if parsed_update is not None:
-                                if isinstance(handler, handler_type) and await handler.check(
-                                    self.client, parsed_update
-                                ):
-                                    await self._execute_callback(handler, parsed_update)
-                                    break
-                            elif isinstance(handler, RawUpdateHandler):
-                                await self._execute_callback(handler, update, users, chats)
-                                break
-                        except (pyrogram.StopPropagation, pyrogram.ContinuePropagation) as e:
-                            if isinstance(e, pyrogram.StopPropagation):
-                                raise
-                        except Exception as exception:
-                            if parsed_update is not None:
-                                await self._handle_exception(parsed_update, exception)
-        except pyrogram.StopPropagation:
-            pass
         except Exception as e:
             log.exception(e)
-        finally:
-            self.updates_queue.task_done()
 
-    async def _handle_exception(self, parsed_update: types.Update, exception: Exception):
+        return None
+
+    async def _execute_handler(self, handler, *args: Any):
+        if inspect.iscoroutinefunction(handler.callback):
+            await handler.callback(self.client, *args)
+        else:
+            await self.loop.run_in_executor(
+                self.client.executor,
+                handler.callback,
+                self.client,
+                *args
+            )
+
+    async def _handle_exception(
+        self, parsed_update: types.Update, exception: Exception,
+    ):
         handled_error = False
         for error_handler in self.error_handlers:
             try:
-                if await error_handler.check(self.client, parsed_update, exception):
+                if await error_handler.check(
+                    self.client, parsed_update, exception,
+                ):
                     handled_error = True
                     break
             except pyrogram.StopPropagation:
@@ -401,11 +431,3 @@ class Dispatcher:
 
         if not handled_error:
             log.exception("Unhandled exception: %s", exception)
-
-    async def _execute_callback(self, handler: Handler, *args):
-        if inspect.iscoroutinefunction(handler.callback):
-            await handler.callback(self.client, *args)
-        else:
-            await self.client.loop.run_in_executor(
-                self.client.executor, handler.callback, self.client, *args
-            )