🔖 Update to v1.4.11

feat: support sub command
fix: reload plugin

pagermaid/__init__.py

@@ -22,8 +22,8 @@ from pagermaid.scheduler import scheduler
 import pyromod.listen
 from pyrogram import Client
 
-pgm_version = "1.4.10"
+pgm_version = "1.4.11"
-pgm_version_code = 1410
+pgm_version_code = 1411
 CMD_LIST = {}
 module_dir = __path__[0]
 working_dir = getcwd()

pagermaid/common/plugin.py

@@ -6,10 +6,10 @@ from typing import Optional, List, Tuple, Dict
 
 from pydantic import BaseModel, ValidationError
 
+import pagermaid.modules
 from pagermaid import Config, logs
 from pagermaid.enums import Message
 from pagermaid.common.cache import cache
-from pagermaid.modules import plugin_list as active_plugins
 from pagermaid.utils import client
 from pagermaid.services import sqlite
 
@@ -33,6 +33,7 @@ class LocalPlugin(BaseModel):
     @property
     def load_status(self) -> bool:
         """插件加载状态"""
+        active_plugins = pagermaid.modules.plugin_list
         return self.name in active_plugins
 
     def remove(self):
@@ -307,6 +308,7 @@ class PluginManager:
     ) -> Tuple[List[str], List[LocalPlugin], List[LocalPlugin]]:
         """Get plugins status"""
         all_local_plugins = self.plugins
+        active_plugins = pagermaid.modules.plugin_list
         disabled_plugins = []
         inactive_plugins = []
         for plugin in all_local_plugins:

pagermaid/enums/command.py

@@ -0,0 +1,52 @@
+from typing import NewType, Callable, Any, Awaitable, Union, TYPE_CHECKING, Optional
+
+from ..inject import inject
+
+if TYPE_CHECKING:
+    from . import Client, Message
+
+CommandHandlerFunc = NewType("CommandHandlerFunc", Callable[[Any, Any], Awaitable[Any]])
+CommandHandlerDecorator = NewType(
+    "CommandHandlerDecorator",
+    Callable[[Union["CommandHandler", CommandHandlerFunc]], "CommandHandler"],
+)
+
+
+class CommandHandler:
+    def __init__(self, func: CommandHandlerFunc, command: Optional[str]) -> None:
+        self._pgp_func__: CommandHandlerFunc = func
+        self._pgp_command__: Optional[str] = command
+        self._pgp_raw_handler = None
+
+    def func(self) -> CommandHandlerFunc:
+        return self._pgp_func__
+
+    def set_handler(self, handler):
+        self._pgp_raw_handler = handler
+
+    def get_handler(self):
+        return self._pgp_raw_handler
+
+    async def handler(self, client: "Client", message: "Message"):
+        func = self.func()
+        if data := inject(message, func):
+            await func(**data)
+        else:
+            if func.__code__.co_argcount == 0:
+                await func()
+            if func.__code__.co_argcount == 1:
+                await func(message)
+            elif func.__code__.co_argcount == 2:
+                await func(client, message)
+
+    def sub_command(self, **kwargs) -> CommandHandlerDecorator:
+        if self._pgp_command__ is None:
+            raise ValueError("Cannot add subcommand to a handler without a command")
+        if self._pgp_raw_handler is None:
+            raise ValueError("Cannot add subcommand to a handler without init")
+        from pagermaid.listener import listener
+
+        def decorator(func: CommandHandlerFunc) -> CommandHandlerFunc:
+            return listener(__parent_command=self._pgp_command__, **kwargs)(func)
+
+        return decorator

pagermaid/hook.py

@@ -103,12 +103,14 @@ class Hook:
                 logs.info(f"[shutdown]: {type(exception)}: {exception}")
 
     @staticmethod
-    async def command_pre(message: Message, command):
+    async def command_pre(message: Message, command, sub_command):
         cors = []
         try:
             for pre in hook_functions["command_pre"]:
                 try:
-                    data = inject(message, pre, command=command)
+                    data = inject(
+                        message, pre, command=command, sub_command=sub_command
+                    )
                 except Exception as exception:
                     logs.info(f"[process_error]: {type(exception)}: {exception}")
                     continue
@@ -124,12 +126,14 @@ class Hook:
             logs.info(f"[command_pre]: {type(exception)}: {exception}")
 
     @staticmethod
-    async def command_post(message: Message, command):
+    async def command_post(message: Message, command, sub_command):
         cors = []
         try:
             for post in hook_functions["command_post"]:
                 try:
-                    data = inject(message, post, command=command)
+                    data = inject(
+                        message, post, command=command, sub_command=sub_command
+                    )
                 except Exception as exception:
                     logs.info(f"[process_error]: {type(exception)}: {exception}")
                     continue

pagermaid/listener.py

@@ -17,8 +17,8 @@ from pyrogram.handlers import MessageHandler, EditedMessageHandler
 
 from pagermaid import help_messages, logs, Config, bot, read_context, all_permissions
 from pagermaid.common.ignore import ignore_groups_manager
+from pagermaid.enums.command import CommandHandler, CommandHandlerDecorator
 from pagermaid.group_manager import Permission
-from pagermaid.inject import inject
 from pagermaid.single_utils import (
     Message,
     AlreadyInConversationError,
@@ -41,9 +41,11 @@ from pyromod.utils import mod_filters
 _lock = asyncio.Lock()
 
 
-def listener(**args):
+def listener(**args) -> CommandHandlerDecorator:
     """Register an event listener."""
+    parent_command = args.get("__parent_command")
     command = args.get("command")
+    allow_parent = args.get("allow_parent", False)
     disallow_alias = args.get("disallow_alias", False)
     need_admin = args.get("need_admin", False)
     description = args.get("description")
@@ -70,15 +72,20 @@ def listener(**args):
         priority = 0
 
     if command is not None:
-        if command in help_messages:
+        if parent_command is None and command in help_messages:
             if help_messages[alias_command(command)]["priority"] <= priority:
                 raise ValueError(
                     f"{lang('error_prefix')} {lang('command')} \"{command}\" {lang('has_reg')}"
                 )
             else:
                 block_process = True
-        pattern = rf"^(,|，){alias_command(command, disallow_alias)}(?: |$)([\s\S]*)"
+        real_command = (
-        sudo_pattern = rf"^(/){alias_command(command, disallow_alias)}(?: |$)([\s\S]*)"
+            alias_command(command, disallow_alias)
+            if parent_command is None
+            else f"{parent_command} {command}"
+        )
+        pattern = rf"^(,|，){real_command}(?: |$)([\s\S]*)"
+        sudo_pattern = rf"^(/){real_command}(?: |$)([\s\S]*)"
     if pattern is not None and not pattern.startswith("(?i)"):
         args["pattern"] = f"(?i){pattern}"
     else:
@@ -137,7 +144,14 @@ def listener(**args):
     if "block_process" in args:
         del args["block_process"]
 
-    def decorator(function):
+    def decorator(function) -> CommandHandler:
+        func = CommandHandler(
+            function,
+            alias_command(command, disallow_alias)
+            if command and parent_command is None
+            else None,
+        )
+
         async def handler(client: Client, message: Message):
             try:
                 # ignore
@@ -149,11 +163,15 @@ def listener(**args):
                 except BaseException:
                     pass
                 try:
-                    parameter = message.matches[0].group(2).split(" ")
+                    arguments = message.matches[0].group(2)
+                    parameter = arguments.split(" ")
                     if parameter == [""]:
                         parameter = []
+                    if parent_command is not None and command is not None:
+                        parameter.insert(0, command)
+                        arguments = f"{command} {arguments}".strip()
                     message.parameter = parameter
-                    message.arguments = message.matches[0].group(2)
+                    message.arguments = arguments
                 except BaseException:
                     message.parameter = None
                     message.arguments = None
@@ -164,18 +182,18 @@ def listener(**args):
                     read_context[(message.chat.id, message.id)] = True
 
                 if command:
-                    await Hook.command_pre(message, command)
+                    await Hook.command_pre(
-                if data := inject(message, function):
+                        message,
-                    await function(**data)
+                        parent_command or command,
-                else:
+                        command if parent_command else None,
-                    if function.__code__.co_argcount == 0:
+                    )
-                        await function()
+                await func.handler(client, message)
-                    if function.__code__.co_argcount == 1:
-                        await function(message)
-                    elif function.__code__.co_argcount == 2:
-                        await function(client, message)
                 if command:
-                    await Hook.command_post(message, command)
+                    await Hook.command_post(
+                        message,
+                        parent_command or command,
+                        command if parent_command else None,
+                    )
             except StopPropagation as e:
                 raise StopPropagation from e
             except KeyboardInterrupt as e:
@@ -235,30 +253,38 @@ def listener(**args):
                 await Hook.process_error_exec(message, command, exc_info, exc_format)
             if (message.chat.id, message.id) in read_context:
                 del read_context[(message.chat.id, message.id)]
-            if block_process:
+            if block_process or (parent_command and not allow_parent):
                 message.stop_propagation()
             message.continue_propagation()
 
-        bot.add_handler(
+        bot.dispatcher.add_handler(
-            MessageHandler(handler, filters=base_filters), group=0 + priority
+            MessageHandler(handler, filters=base_filters),
+            group=0 + priority,
+            first=parent_command and not allow_parent,
         )
         if command:
-            bot.add_handler(
+            bot.dispatcher.add_handler(
-                MessageHandler(handler, filters=sudo_filters), group=50 + priority
+                MessageHandler(handler, filters=sudo_filters),
+                group=50 + priority,
+                first=parent_command and not allow_parent,
             )
         if not ignore_edited:
-            bot.add_handler(
+            bot.dispatcher.add_handler(
-                EditedMessageHandler(handler, filters=base_filters), group=1 + priority
+                EditedMessageHandler(handler, filters=base_filters),
+                group=1 + priority,
+                first=parent_command and not allow_parent,
             )
             if command:
-                bot.add_handler(
+                bot.dispatcher.add_handler(
                     EditedMessageHandler(handler, filters=sudo_filters),
                     group=51 + priority,
+                    first=parent_command and not allow_parent,
                 )
 
-        return handler
+        func.set_handler(handler)
+        return func
 
-    if description is not None and command is not None:
+    if description is not None and command is not None and parent_command is None:
         if parameters is None:
             parameters = ""
         help_messages.update(

pagermaid/modules/avoid.py

@@ -1,6 +1,7 @@
 """ PagerMaid module for different ways to avoid users. """
 
 from pagermaid import log
+from pagermaid.enums.command import CommandHandler
 from pagermaid.single_utils import sqlite
 from pagermaid.utils import lang
 from pagermaid.enums import Client, Message
@@ -14,14 +15,25 @@ from pagermaid.listener import listener
     description=lang("ghost_des"),
     parameters="<true|false|status>",
 )
-async def ghost(client: Client, message: Message):
+async def ghost(message: Message):
     """Toggles ghosting of a user."""
     if len(message.parameter) != 1:
         await message.edit(f"{lang('error_prefix')}{lang('arg_error')}")
         return
+    await message.edit(f"{lang('error_prefix')}{lang('arg_error')}")
+
+
+ghost: "CommandHandler"
+
+
+@ghost.sub_command(
+    is_plugin=False,
+    outgoing=True,
+    command="true",
+)
+async def ghost_true(client: Client, message: Message):
     myself = await client.get_me()
     self_user_id = myself.id
-    if message.parameter[0] == "true":
     if message.chat.id == self_user_id:
         return await message.edit(lang("ghost_e_mark"))
     sqlite[f"ghosted.chat_id.{str(message.chat.id)}"] = True
@@ -29,7 +41,16 @@ async def ghost(client: Client, message: Message):
     await log(
         f"{lang('ghost_set_f')} ChatID {str(message.chat.id)} {lang('ghost_set_l')}"
     )
-    elif message.parameter[0] == "false":
+
+
+@ghost.sub_command(
+    is_plugin=False,
+    outgoing=True,
+    command="false",
+)
+async def ghost_false(client: Client, message: Message):
+    myself = await client.get_me()
+    self_user_id = myself.id
     if message.chat.id == self_user_id:
         await message.edit(lang("ghost_e_mark"))
         return
@@ -41,13 +62,18 @@ async def ghost(client: Client, message: Message):
     await log(
         f"{lang('ghost_set_f')} ChatID {str(message.chat.id)} {lang('ghost_cancel')}"
     )
-    elif message.parameter[0] == "status":
+
+
+@ghost.sub_command(
+    is_plugin=False,
+    outgoing=True,
+    command="status",
+)
+async def ghost_status(message: Message):
     if sqlite.get(f"ghosted.chat_id.{str(message.chat.id)}", None):
         await message.edit(lang("ghost_e_exist"))
     else:
         await message.edit(lang("ghost_e_noexist"))
-    else:
-        await message.edit(f"{lang('error_prefix')}{lang('arg_error')}")
 
 
 @listener(
@@ -58,20 +84,42 @@ async def ghost(client: Client, message: Message):
     description=lang("deny_des"),
     parameters="<true|false|status>",
 )
-async def deny(client: Client, message: Message):
+async def deny(message: Message):
     """Toggles denying of a user."""
     if len(message.parameter) != 1:
         await message.edit(f"{lang('error_prefix')}{lang('arg_error')}")
         return
+    await message.edit(f"{lang('error_prefix')}{lang('arg_error')}")
+
+
+deny: "CommandHandler"
+
+
+@deny.sub_command(
+    is_plugin=False,
+    outgoing=True,
+    need_admin=True,
+    command="true",
+)
+async def deny_true(client: Client, message: Message):
     myself = await client.get_me()
     self_user_id = myself.id
-    if message.parameter[0] == "true":
     if message.chat.id == self_user_id:
         return await message.edit(lang("ghost_e_mark"))
     sqlite[f"denied.chat_id.{str(message.chat.id)}"] = True
     await message.safe_delete()
     await log(f"ChatID {str(message.chat.id)} {lang('deny_set')}")
-    elif message.parameter[0] == "false":
+
+
+@deny.sub_command(
+    is_plugin=False,
+    outgoing=True,
+    need_admin=True,
+    command="false",
+)
+async def deny_false(client: Client, message: Message):
+    myself = await client.get_me()
+    self_user_id = myself.id
     if message.chat.id == self_user_id:
         await message.edit(lang("ghost_e_mark"))
         return
@@ -81,13 +129,19 @@ async def deny(client: Client, message: Message):
         return await message.edit(lang("deny_e_noexist"))
     await message.safe_delete()
     await log(f"ChatID {str(message.chat.id)} {lang('deny_cancel')}")
-    elif message.parameter[0] == "status":
+
+
+@deny.sub_command(
+    is_plugin=False,
+    outgoing=True,
+    need_admin=True,
+    command="status",
+)
+async def deny_status(message: Message):
     if sqlite.get(f"denied.chat_id.{str(message.chat.id)}", None):
         await message.edit(lang("deny_e_exist"))
     else:
         await message.edit(lang("deny_e_noexist"))
-    else:
-        await message.edit(f"{lang('error_prefix')}{lang('arg_error')}")
 
 
 @listener(is_plugin=False, incoming=True, outgoing=False, ignore_edited=True)

pagermaid/modules/mixpanel.py

@@ -134,7 +134,7 @@ async def mixpanel_init_id(bot: Client):
 
 
 @Hook.command_postprocessor()
-async def mixpanel_report(bot: Client, message: Message, command):
+async def mixpanel_report(bot: Client, message: Message, command, sub_command):
     if not Config.ALLOW_ANALYTIC:
         return
     await set_people(bot)
@@ -144,11 +144,14 @@ async def mixpanel_report(bot: Client, message: Message, command):
     sender_id = message.sender_chat.id if message.sender_chat else sender_id
     if sender_id < 0 and message.outgoing:
         sender_id = bot.me.id
+    properties = {"command": command, "bot_id": bot.me.id}
+    if sub_command:
+        properties["sub_command"] = sub_command
     bot.loop.create_task(
         mp.track(
             str(sender_id),
             f"Function {command}",
-            {"command": command, "bot_id": bot.me.id},
+            properties,
         )
     )
 

pagermaid/modules/sudo.py

@@ -1,3 +1,4 @@
+from pagermaid.enums.command import CommandHandler
 from pagermaid.single_utils import sqlite
 from pagermaid.listener import listener
 from pagermaid.group_manager import (
@@ -29,11 +30,21 @@ def from_msg_get_sudo_id(message: Message) -> int:
     parameters="{on|off|add|remove|gaddp|gaddu|gdelp|gdelu|glist|uaddp|udelp|list}",
     description=lang("sudo_des"),
 )
-async def sudo_change(client: Client, message: Message):
+async def sudo_change(message: Message):
     """To enable or disable sudo of your userbot."""
-    input_str = message.arguments
+    await edit_delete(message, lang("arg_error"))
+
+
+sudo_change: "CommandHandler"
+
+
+@sudo_change.sub_command(
+    is_plugin=False,
+    command="on",
+    need_admin=True,
+)
+async def sudo_on(message: Message):
     sudo = get_sudo_list()
-    if input_str == "on":
     if _status_sudo():
         return await edit_delete(message, lang("sudo_has_enabled"))
     sqlite["sudo_enable"] = True
@@ -46,7 +57,15 @@ async def sudo_change(client: Client, message: Message):
     return await message.edit(
         text,
     )
-    elif input_str == "off":
+
+
+@sudo_change.sub_command(
+    is_plugin=False,
+    command="off",
+    need_admin=True,
+)
+async def sudo_off(message: Message):
+    sudo = get_sudo_list()
     if _status_sudo():
         del sqlite["sudo_enable"]
         text = f"__{lang('sudo_disable')}__\n"
@@ -59,7 +78,15 @@ async def sudo_change(client: Client, message: Message):
             text,
         )
     await edit_delete(message, lang("sudo_has_disabled"))
-    elif input_str == "add":
+
+
+@sudo_change.sub_command(
+    is_plugin=False,
+    command="add",
+    need_admin=True,
+)
+async def sudo_add(message: Message):
+    sudo = get_sudo_list()
     from_id = from_msg_get_sudo_id(message)
     if from_id in sudo:
         return await edit_delete(message, f"__{lang('sudo_add')}__")
@@ -70,7 +97,15 @@ async def sudo_change(client: Client, message: Message):
         await message.edit(f"__{lang('sudo_add')}__")
     else:
         await message.edit(f"__{lang('sudo_add_chat')}__")
-    elif input_str == "remove":
+
+
+@sudo_change.sub_command(
+    is_plugin=False,
+    command="remove",
+    need_admin=True,
+)
+async def sudo_remove(message: Message):
+    sudo = get_sudo_list()
     from_id = from_msg_get_sudo_id(message)
     if from_id not in sudo:
         return await edit_delete(message, f"__{lang('sudo_no')}__")
@@ -80,7 +115,15 @@ async def sudo_change(client: Client, message: Message):
         await message.edit(f"__{lang('sudo_remove')}__")
     else:
         await message.edit(f"__{lang('sudo_remove_chat')}__")
-    elif input_str == "list":
+
+
+@sudo_change.sub_command(
+    is_plugin=False,
+    command="list",
+    need_admin=True,
+)
+async def sudo_list(client: Client, message: Message):
+    sudo = get_sudo_list()
     if len(sudo) == 0:
         return await edit_delete(message, f"__{lang('sudo_no_one')}__")
     text = f"**{lang('sudo_list')}**\n\n"
@@ -99,56 +142,108 @@ async def sudo_change(client: Client, message: Message):
             for j in permissions.get_permissions_for_user(str(i)):
                 text += f"    • {'-' if j[2] == 'ejection' else ''}{j[1]}\n"
         except Exception:
-                text += (
+            text += f"• `{i}` - {' '.join(permissions.get_roles_for_user(str(i)))}\n"
-                    f"• `{i}` - {' '.join(permissions.get_roles_for_user(str(i)))}\n"
-                )
     await message.edit(text)
-    elif len(message.parameter) > 0:
+
-        if len(message.parameter) == 2:
+
+def check_parameter_length(length: int, check_permission: bool):
+    def decorator(func):
+        async def wrapper(message: Message):
+            if len(message.parameter) != length:
+                return await edit_delete(message, lang("arg_error"))
+            if check_permission:
+                sudo = get_sudo_list()
                 from_id = from_msg_get_sudo_id(message)
-            if message.parameter[0] == "glist":
+                if from_id not in sudo:
-                if not (
+                    return await edit_delete(message, f"__{lang('sudo_no')}__")
-                    data := permissions.get_permissions_for_user(
+
-                        str(message.parameter[1])
+            return await func(message)
+
+        return wrapper
+
+    return decorator
+
+
+@sudo_change.sub_command(
+    is_plugin=False,
+    command="glist",
+    need_admin=True,
 )
-                ):
+@check_parameter_length(2, False)
+async def sudo_glist(message: Message):
+    if not (data := permissions.get_permissions_for_user(str(message.parameter[1]))):
         return await edit_delete(message, f"__{lang('sudo_group_list')}__")
     text = f"**{message.parameter[1]} {lang('sudo_group_list')}**\n\n"
     for i in data:
         text += f"  • `{'-' if i[2] == 'ejection' else ''}{i[1]}`\n"
     return await message.edit(text)
-            if from_id not in sudo:
+
-                return await edit_delete(message, f"__{lang('sudo_no')}__")
+
-            elif message.parameter[0] == "gaddu":
+@sudo_change.sub_command(
+    is_plugin=False,
+    command="gaddu",
+    need_admin=True,
+)
+@check_parameter_length(2, True)
+async def sudo_gaddu(message: Message):
+    from_id = from_msg_get_sudo_id(message)
     add_user_to_group(str(from_id), message.parameter[1])
     return await message.edit(lang("sudo_group_add_user"))
-            elif message.parameter[0] == "gdelu":
+
+
+@sudo_change.sub_command(
+    is_plugin=False,
+    command="gdelu",
+    need_admin=True,
+)
+@check_parameter_length(2, True)
+async def sudo_gdelu(message: Message):
+    from_id = from_msg_get_sudo_id(message)
     remove_user_from_group(str(from_id), message.parameter[1])
     return await message.edit(lang("sudo_group_del_user"))
-            elif message.parameter[0] == "uaddp":
+
+
+@sudo_change.sub_command(
+    is_plugin=False,
+    command="uaddp",
+    need_admin=True,
+)
+@check_parameter_length(2, True)
+async def sudo_uaddp(message: Message):
+    from_id = from_msg_get_sudo_id(message)
     add_permission_for_user(str(from_id), Permission(message.parameter[1]))
     return await message.edit(lang("sudo_user_add_per"))
-            elif message.parameter[0] == "udelp":
+
-                remove_permission_for_user(
+
-                    str(from_id), Permission(message.parameter[1])
+@sudo_change.sub_command(
+    is_plugin=False,
+    command="udelp",
+    need_admin=True,
 )
+@check_parameter_length(2, True)
+async def sudo_udelp(message: Message):
+    from_id = from_msg_get_sudo_id(message)
+    remove_permission_for_user(str(from_id), Permission(message.parameter[1]))
     return await message.edit(lang("sudo_user_del_per"))
-            else:
+
-                return await edit_delete(message, lang("arg_error"))
+
-        if len(message.parameter) == 3:
+@sudo_change.sub_command(
-            if message.parameter[0] == "gaddp":
+    is_plugin=False,
-                add_permission_for_group(
+    command="gaddp",
-                    message.parameter[1], Permission(message.parameter[2])
+    need_admin=True,
 )
+@check_parameter_length(3, False)
+async def sudo_gaddp(message: Message):
+    add_permission_for_group(message.parameter[1], Permission(message.parameter[2]))
     return await message.edit(lang("sudo_group_add_per"))
-            elif message.parameter[0] == "gdelp":
+
-                remove_permission_for_group(
+
-                    message.parameter[1], Permission(message.parameter[2])
+@sudo_change.sub_command(
+    is_plugin=False,
+    command="gdelp",
+    need_admin=True,
 )
+@check_parameter_length(3, False)
+async def sudo_gdelp(message: Message):
+    remove_permission_for_group(message.parameter[1], Permission(message.parameter[2]))
     return await message.edit(lang("sudo_group_del_per"))
-            else:
-                return await edit_delete(message, lang("arg_error"))
-        else:
-            await edit_delete(message, lang("arg_error"))
-    else:
-        await edit_delete(message, lang("arg_error"))

pyromod/listen/listen.py

@@ -21,6 +21,7 @@ along with pyromod.  If not, see <https://www.gnu.org/licenses/>.
 import asyncio
 import contextlib
 import functools
+from collections import OrderedDict
 from datetime import datetime
 from typing import Optional, List, Union
 
@@ -425,3 +426,24 @@ class Dispatcher(pyrogram.dispatcher.Dispatcher):  # noqa
                 lock.release()
 
         self.loop.create_task(fn())
+
+    @patchable
+    def add_handler(self, handler, group: int, first: bool):
+        if not first:
+            return self.oldadd_handler(handler, group)
+
+        async def fn():
+            for lock in self.locks_list:
+                await lock.acquire()
+
+            try:
+                if group not in self.groups:
+                    self.groups[group] = []
+                    self.groups = OrderedDict(sorted(self.groups.items()))
+
+                self.groups[group].insert(0, handler)
+            finally:
+                for lock in self.locks_list:
+                    lock.release()
+
+        self.loop.create_task(fn())