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Cache function result with args for Django.

Project description

Cache Fn

Use django cache to cache the function(*arg, **kw) with timeout.

Quick start

  1. Install::
   pip install django-cache-fn
  1. 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)


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.

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