zulip/zerver/apps.py

28 lines
912 B
Python

import logging
from typing import Any, Dict
from django.apps import AppConfig
from django.conf import settings
from django.core.cache import cache
from django.db.models.signals import post_migrate
def flush_cache(sender: AppConfig, **kwargs: Any) -> None:
logging.info("Clearing memcached cache after migrations")
cache.clear()
class ZerverConfig(AppConfig):
name = "zerver" # type: str
def ready(self) -> None:
# We import zerver.signals here for the side effect of
# registering the user_logged_in signal receiver. This import
# needs to be here (rather than e.g. at top-of-file) to avoid
# running that code too early in Django's setup process, but
# in any case, this is an intentionally unused import.
import zerver.signals
if settings.POST_MIGRATION_CACHE_FLUSHING:
post_migrate.connect(flush_cache, sender=self)