Files
zulip/zephyr/lib/cache_helpers.py
Tim Abbott cf58ee833a Rename lib/message_cache.py to lib/cache_helpers.py
(imported from commit 591e427aee47aea58b50d6c3fbd6a05cfe9378ea)
2013-03-14 15:07:41 -04:00

24 lines
901 B
Python

# This file needs to be different from cache.py because cache.py
# cannot import anything from zephyr.models or we'd have an import
# loop
from zephyr.models import Message
from zephyr.lib.cache import cache_with_key, djcache, message_cache_key
MESSAGE_CACHE_SIZE = 25000
def cache_save_message(message):
djcache.set(message_cache_key(message.id), (message,), timeout=3600*24)
@cache_with_key(message_cache_key)
def cache_get_message(message_id):
return Message.objects.select_related("client", "sender").get(id=message_id)
# Called on Tornado startup to ensure our message cache isn't empty
def populate_message_cache():
items_for_memcached = {}
for m in Message.objects.select_related("sender", "client").all().order_by(
"-id")[0:MESSAGE_CACHE_SIZE]:
items_for_memcached[message_cache_key(m.id)] = (m,)
djcache.set_many(items_for_memcached, timeout=3600*24)