switch Flask to FastAPI for future async.

app/bot.py

@@ -1,5 +1,4 @@
 import shelve
-from flask import request, abort
 
 from . import stan
 from . import rules
@@ -384,13 +383,11 @@ def handle_msg(message: types.Message):
 """                [ WEBHOOK ]              """
 
 
-@app.route(f"/bot{TOKEN}/", methods=["POST"])
+@app.post(f"/bot{TOKEN}/")
-def webhook():
+def webhook(update: dict):
     """Parse POST requests from Telegram."""
-    if request.headers.get("content-type") == "application/json":
+    if update:
-        json_string = request.get_data().decode("utf-8")
+        update = telebot.types.Update.de_json(update)
-        update = types.Update.de_json(json_string)
         bot.process_new_updates([update])
-        return ""
     else:
-        abort(403)
+        return

app/config.py

@@ -3,7 +3,7 @@ import re
 import logging
 
 import telebot.types
-from flask import Flask
+from fastapi import FastAPI
 from telebot import TeleBot, logger, types
 from dotenv import load_dotenv
 
@@ -29,7 +29,7 @@ bot = TeleBot(
 )
 LOG_TEXT = "[%s] %s: %s"
 LOG_COMM = "[%s] [%s] %s: %s"
-app = Flask(__name__)
+app = FastAPI(docs=None, redoc_url=None)
 
 DATA = "data/chat"
 

wsgi.py

@@ -1,4 +1 @@
-from app.bot import app
+from app.bot import app
-
-if __name__ == "__main__":
-    app.run(debug=False)