telegram_bots/bots/management/commands/run_bots.py

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import logging
import traceback
from multiprocessing.pool import ThreadPool
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import sentry_sdk
from django.core.cache import cache
from django.core.management import BaseCommand
from telegram import TelegramError, Update
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from telegram.error import TimedOut
from telegram.ext import CallbackContext
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from bots.models import TelegramBot
class Command(BaseCommand):
def handle(self, *args, **options):
pool = ThreadPool(8)
def error_handler(update: Update, ctx: CallbackContext):
sentry_sdk.capture_exception(ctx.error)
logging.exception('Exception while processing update', exc_info=ctx.error)
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dispatchers = []
while True:
try:
if not dispatchers or cache.get('bots_reset'):
logging.warning('Reloading dispatchers')
dispatchers = []
for bot in TelegramBot.objects.filter(active=True):
try:
dispatcher = bot.build_dispatcher(error_handler)
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dispatcher.last_update_id = 0
dispatchers.append(dispatcher)
except TelegramError:
pass
cache.delete('bots_reset')
for dispatcher in dispatchers:
try:
updates = dispatcher.bot.get_updates(dispatcher.last_update_id)
except TimedOut:
continue
except TelegramError as e:
sentry_sdk.capture_exception(e)
traceback.print_exc()
updates = []
for update in updates:
pool.apply_async(dispatcher.process_update, (update,))
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dispatcher.last_update_id = update.update_id + 1
except KeyboardInterrupt:
pool.terminate()
pool.join()
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return
except Exception as e:
sentry_sdk.capture_exception(e)
traceback.print_exc()