optimize worker

bots/models.py

@@ -4,7 +4,7 @@ from django.contrib.contenttypes.models import ContentType
 from django.db import models
 from django.utils import timezone
 from telegram import Bot
-from telegram.ext import Dispatcher
+from telegram.ext import Dispatcher, Updater
 
 
 class TelegramBot(models.Model):
@@ -24,6 +24,13 @@ class TelegramBot(models.Model):
     def get_bot(self):
         return Bot(self.bot_token)
 
+    def build_updater(self, error_handler):
+        updater = Updater(self.bot_token)
+        updater.dispatcher.add_error_handler(error_handler)
+        updater.bot.get_me()
+        self.config.build_dispatcher(updater.dispatcher)
+        return updater
+
     def build_dispatcher(self, error_handler):
         bot = self.get_bot()
         bot.get_me()