django-cache-fn 1.0

Cache function result with args for Django.

=====
Cache Fn
=====
Use django cache to cache the `function(*arg, **kw)` with timeout.

Quick start
-----------

1. Install::

pip install django-cache-fn

1. Add "cache_fn" to your INSTALLED_APPS setting like this::

INSTALLED_APPS = [
...
'cache_fn',
]

2. Start to use it in code::

from cache_fn.decorators import cache_fn

@cache_fn(prefix='myprefix', timeout=3600)
def foo(k1, k2):
return "%s %s"%(k1, k2)

Usage
--------

def cache_fn(timeout=1, prefix=None, cache_ttl=MEMCACHE_MAX_EXPIRATION):
"""
Retrieve data from cache if cacheable and no-stale,
otherise refresh synchronously and cache it.
* timeout: The stale timeout which would be handled in the decorator.
* prefix: The prefix of cache key.
* cache_ttl: The TTL(time to live) of key in memcache.
NOTE: For HttpResponse, we just cache the response whose status code is 200.
"""