diff options
Diffstat (limited to 'main/middleware.py')
-rw-r--r-- | main/middleware.py | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/main/middleware.py b/main/middleware.py deleted file mode 100644 index f417b545..00000000 --- a/main/middleware.py +++ /dev/null @@ -1,52 +0,0 @@ -# begin copy of stock Django UpdateCacheMiddleware -# this is to address feeds caching issue which makes it horribly -# unperformant - -from django.conf import settings -from django.core.cache import cache -from django.utils.cache import learn_cache_key, patch_response_headers, get_max_age - -class UpdateCacheMiddleware(object): - """ - Response-phase cache middleware that updates the cache if the response is - cacheable. - - Must be used as part of the two-part update/fetch cache middleware. - UpdateCacheMiddleware must be the first piece of middleware in - MIDDLEWARE_CLASSES so that it'll get called last during the response phase. - """ - def __init__(self): - self.cache_timeout = settings.CACHE_MIDDLEWARE_SECONDS - self.key_prefix = settings.CACHE_MIDDLEWARE_KEY_PREFIX - self.cache_anonymous_only = getattr(settings, 'CACHE_MIDDLEWARE_ANONYMOUS_ONLY', False) - - def process_response(self, request, response): - """Sets the cache, if needed.""" - if not hasattr(request, '_cache_update_cache') or not request._cache_update_cache: - # We don't need to update the cache, just return. - return response - if request.method != 'GET': - # This is a stronger requirement than above. It is needed - # because of interactions between this middleware and the - # HTTPMiddleware, which throws the body of a HEAD-request - # away before this middleware gets a chance to cache it. - return response - if not response.status_code == 200: - return response - # Try to get the timeout from the "max-age" section of the "Cache- - # Control" header before reverting to using the default cache_timeout - # length. - timeout = get_max_age(response) - if timeout == None: - timeout = self.cache_timeout - elif timeout == 0: - # max-age was set to 0, don't bother caching. - return response - patch_response_headers(response, timeout) - if timeout: - response.content = response.content - cache_key = learn_cache_key(request, response, timeout, self.key_prefix) - cache.set(cache_key, response, timeout) - return response - -# vim: set ts=4 sw=4 et: |