middleware.py

#!/usr/bin/python
# -*- coding: UTF-8 -*-
import re

from django.core.cache import cache
from django.conf import settings

class NginxCacheMiddleware:
    def process_response(self, request, response):
        cacheIt = True

        if request.user.is_authenticated():
            cacheIt = False
        
        if request.method != "GET":
            cacheIt = False

        for exp in settings.CACHE_IGNORE_REGEXPS:
            if re.match(exp, request.get_full_path()):
                cacheIt = False

        if cacheIt:
            key = "%s:%s:%s" % (settings.CACHE_KEY_PREFIX, request.get_full_path(), request.META['QUERY_STRING'])
            cache.set(key, response.content, settings.CACHE_MIDDLEWARE_SECONDS)
        
        return response