SyncWebhookListener was rewritten under fastapi. Extensions folder was divided into 2(namings are long, might be changed)

telebot/__init__.py

@@ -23,9 +23,6 @@ import random
 import string
 
 
-# webhooks module
-from telebot.extensions import SyncWebhookListener
-
 import ssl
 
 logger = logging.getLogger('TeleBot')
@@ -372,7 +369,12 @@ class TeleBot:
         )
         if cert_file: cert_file.close()
 
-        ssl_context = (certificate, certificate_key) if certificate else None
+        ssl_context = (certificate, certificate_key) if certificate else (None, None)
+        # webhooks module
+        try:
+            from telebot.extensions.synchronous import SyncWebhookListener
+        except NameError:
+            raise ImportError("Please install uvicorn and fastapi in order to use `run_webhooks` method.")
         self.webhook_listener = SyncWebhookListener(self, secret_token, listen, port, ssl_context, '/'+url_path, debug)
         self.webhook_listener.run_app()
 

telebot/async_telebot.py

@@ -30,8 +30,6 @@ REPLY_MARKUP_TYPES = Union[
     types.ReplyKeyboardRemove, types.ForceReply]
 
 
-# for webhooks
-from telebot.extensions import AsyncWebhookListener
 import string
 import random
 import ssl
@@ -1515,9 +1513,12 @@ class AsyncTeleBot:
         if cert_file: cert_file.close()
 
         ssl_context = (certificate, certificate_key) if certificate else (None, None)
+        # for webhooks
+        try:
+            from telebot.extensions.asynchronous import AsyncWebhookListener
+        except NameError:
+            raise ImportError("Please install uvicorn and fastapi in order to use `run_webhooks` method.")
         self.webhook_listener = AsyncWebhookListener(self, secret_token, listen, port, ssl_context, '/'+url_path, debug)
-        # create a new loop, set it, and pass it
-        asyncio.set_event_loop(asyncio.new_event_loop())
         await self.webhook_listener.run_app()
 
 

telebot/extensions/__init__.py

@@ -1,8 +1,3 @@
-from .webhooks import SyncWebhookListener, AsyncWebhookListener
-
-
-
-__all__ = [
-    'SyncWebhookListener',
-    'AsyncWebhookListener'
-]
+"""
+A folder with asynchronous and synchronous extensions.
+"""

telebot/extensions/asynchronous/__init__.py

@@ -0,0 +1,10 @@
+"""
+A folder with all the async extensions.
+"""
+
+from .webhooks import AsyncWebhookListener
+
+
+__all__ = [
+    "AsyncWebhookListener"
+]

telebot/extensions/asynchronous/webhooks.py

@@ -0,0 +1,103 @@
+"""
+This file is used by AsyncTeleBot.run_webhooks() function.
+
+Fastapi and starlette(0.20.2+) libraries are required to run this script.
+"""
+
+# modules required for running this script
+fastapi_installed = True
+try:
+    import fastapi
+    from fastapi.responses import JSONResponse
+    from fastapi.requests import Request
+    from uvicorn import Server, Config
+except ImportError:
+    fastapi_installed = False
+
+import asyncio
+
+
+from telebot.types import Update
+
+
+from typing import Optional
+
+
+class AsyncWebhookListener:
+    def __init__(self, bot, 
+                secret_token: str, host: Optional[str]="127.0.0.1", 
+                port: Optional[int]=443,
+                ssl_context: Optional[tuple]=None,
+                url_path: Optional[str]=None,
+                debug: Optional[bool]=False
+                ) -> None:
+        """
+        Aynchronous implementation of webhook listener
+        for asynchronous version of telebot.
+
+        :param bot: TeleBot instance
+        :param secret_token: Telegram secret token
+        :param host: Webhook host
+        :param port: Webhook port
+        :param ssl_context: SSL context
+        :param url_path: Webhook url path
+        :param debug: Debug mode
+        """
+        self._check_dependencies()
+
+        self.app = fastapi.FastAPI()
+        self._secret_token = secret_token
+        self._bot = bot
+        self._port = port
+        self._host = host
+        self._ssl_context = ssl_context
+        self._url_path = url_path
+        self._debug = debug
+        self._prepare_endpoint_urls()
+
+
+    def _check_dependencies(self):
+        if not fastapi_installed:
+            raise ImportError('Fastapi or uvicorn is not installed. Please install it via pip.')
+            
+        import starlette
+        if starlette.__version__ < '0.20.2':
+            raise ImportError('Starlette version is too old. Please upgrade it: `pip3 install starlette -U`')
+        return
+
+    
+    def _prepare_endpoint_urls(self):
+        self.app.add_api_route(endpoint=self.process_update,path= self._url_path, methods=["POST"])
+
+
+    async def process_update(self, request: Request, update: dict):
+        """
+        Processes updates.
+        """
+        # header containsX-Telegram-Bot-Api-Secret-Token
+        if request.headers.get('X-Telegram-Bot-Api-Secret-Token') != self._secret_token:
+            # secret token didn't match
+            return JSONResponse(status_code=403, content={"error": "Forbidden"})
+        if request.headers.get('content-type') == 'application/json':
+            json_string = update
+            asyncio.create_task(self._bot.process_new_updates([Update.de_json(json_string)]))
+            return JSONResponse('', status_code=200)
+
+        return JSONResponse(status_code=403, content={"error": "Forbidden"})
+
+
+    async def run_app(self):
+        """
+        Run app with the given parameters.
+        """
+
+        config = Config(app=self.app,
+            host=self._host,
+            port=self._port,
+            debug=self._debug,
+            ssl_certfile=self._ssl_context[0],
+            ssl_keyfile=self._ssl_context[1]
+        )
+        server = Server(config)
+        await server.serve()
+        await self._bot.close_session()

telebot/extensions/synchronous/__init__.py

@@ -0,0 +1,10 @@
+"""
+A folder with all the sync extensions.
+"""
+
+from .webhooks import SyncWebhookListener
+
+
+__all__ = [
+    "SyncWebhookListener"
+]

telebot/extensions/synchronous/webhooks.py

@@ -0,0 +1,101 @@
+"""
+This file is used by TeleBot.run_webhooks() &
+AsyncTeleBot.run_webhooks() functions.
+
+Flask/fastapi is required to run this script.
+"""
+
+# modules required for running this script
+fastapi_installed = True
+
+try:
+    import fastapi
+    from fastapi.responses import JSONResponse
+    from fastapi.requests import Request
+    import uvicorn
+except ImportError:
+    fastapi_installed = False
+
+
+from telebot.types import Update
+
+
+from typing import Optional
+
+
+
+
+class SyncWebhookListener:
+    def __init__(self, bot, 
+                secret_token: str, host: Optional[str]="127.0.0.1", 
+                port: Optional[int]=443,
+                ssl_context: Optional[tuple]=None,
+                url_path: Optional[str]=None,
+                debug: Optional[bool]=False
+                ) -> None:
+        """
+        Synchronous implementation of webhook listener
+        for synchronous version of telebot.
+
+        :param bot: TeleBot instance
+        :param secret_token: Telegram secret token
+        :param host: Webhook host
+        :param port: Webhook port
+        :param ssl_context: SSL context
+        :param url_path: Webhook url path
+        :param debug: Debug mode
+        """
+        self._check_dependencies()
+
+        self.app = fastapi.FastAPI()
+        self._secret_token = secret_token
+        self._bot = bot
+        self._port = port
+        self._host = host
+        self._ssl_context = ssl_context
+        self._url_path = url_path
+        self._debug = debug
+        self._prepare_endpoint_urls()
+
+
+    def _check_dependencies(self):
+        if not fastapi_installed:
+            raise ImportError('Fastapi or uvicorn is not installed. Please install it via pip.')
+            
+        import starlette
+        if starlette.__version__ < '0.20.2':
+            raise ImportError('Starlette version is too old. Please upgrade it: `pip3 install starlette -U`')
+        return
+
+    
+    def _prepare_endpoint_urls(self):
+        self.app.add_api_route(endpoint=self.process_update,path= self._url_path, methods=["POST"])
+
+
+    def process_update(self, request: Request, update: dict):
+        """
+        Processes updates.
+        """
+        # header containsX-Telegram-Bot-Api-Secret-Token
+        if request.headers.get('X-Telegram-Bot-Api-Secret-Token') != self._secret_token:
+            # secret token didn't match
+            return JSONResponse(status_code=403, content={"error": "Forbidden"})
+        if request.headers.get('content-type') == 'application/json':
+            self._bot.process_new_updates([Update.de_json(update)])
+            return JSONResponse('', status_code=200)
+
+        return JSONResponse(status_code=403, content={"error": "Forbidden"})
+
+
+    def run_app(self):
+        """
+        Run app with the given parameters.
+        """
+
+        uvicorn.run(app=self.app,
+            host=self._host,
+            port=self._port,
+            debug=self._debug,
+            ssl_certfile=self._ssl_context[0],
+            ssl_keyfile=self._ssl_context[1]
+        )