Initial, nothing works

mybot/middlewares/__init__.py

@@ -0,0 +1,9 @@
+import logging
+
+from telebot import TeleBot
+
+from .arguments import ExtraArguments
+
+
+def setup_middlewares(bot: TeleBot, logger: logging.Logger, i18n):
+    bot.setup_middleware(ExtraArguments(bot, logger, i18n))

mybot/middlewares/arguments.py

@@ -0,0 +1,34 @@
+import logging
+from functools import singledispatch
+
+from telebot import TeleBot
+from telebot.handler_backends import BaseMiddleware
+from telebot import types as tt
+
+
+class ExtraArguments(BaseMiddleware):
+    def __init__(self, bot: TeleBot, logger: logging.Logger, i18n):
+        super().__init__()
+        self.bot = bot
+        self.logger = logger
+        self.i18n = i18n
+        self.update_types = ["message", "callback_query"]
+
+    @singledispatch
+    def pre_process(self, obj, data: dict):
+        raise TypeError()
+
+    @pre_process.register
+    def _(self, message: tt.Message, data: dict):
+        data["bot"] = self.bot
+        data["logger"] = self.logger
+        data["t"] = self.i18n.custom_call(message=message)
+
+    @pre_process.register
+    def _(self, callback: tt.CallbackQuery, data: dict):
+        data["bot"] = self.bot
+        data["logger"] = self.logger
+        data["t"] = self.i18n.custom_call(callback=callback)
+
+    def post_process(self, message, data: dict, exception: BaseException):
+        pass