django_cache_project

In this project I've created my own custom cache middleware which inherits from the default django cache middleware classes.
use the following commands to install dependancies and run the app on your local server

pip install -r requirements.txt

python manage.py runserver 

The settings.py contains the list of urls to be cached

CACHE_URLS = [('^index/',60*60),('^sample/',20)]

CACHE_MIDDLEWARE_ALIAS = 'default'
CACHE_MIDDLEWARE_SECONDS = None          
CACHE_MIDDLEWARE_KEY_PREFIX = 'cache'

CACHES = {
    'default': {
        'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
        'LOCATION': '127.0.0.1:11211',
    }
}

The cache middleware is implemented in the cachemiddleware.py file with the following key changes to override the parent middleware class functions

checking whether a url is the list of CACHE_URLS

        request_url = request.get_full_path()
        url_match = False
        for value in settings.CACHE_URLS:
            regex = value[0]
            if re.match(regex,request_url):
                url_match = True
        if url_match == False: #Don't check cache
            request._cache_update_cache = False
            return None

setting a cache timeout

    request_url = request.get_full_path()
        
        for value in settings.CACHE_URLS:
            regex = value[0]
            if re.match(regex,request_url):
                self.cache_timeout = value[1]
                break;

        timeout = get_max_age(response)
        if timeout is None:
            timeout = self.cache_timeout
        elif timeout == 0:
            # max-age was set to 0, don't bother caching.
            return response