Django RequestCacheMiddleware inspired by this SO post http://stackoverflow.com/questions/3151469/per-request-cache-in-django/8759188#8759188

middleware.py

from django.core.cache import caches


def get_request_cache():
    return caches['default']


class RequestCacheMiddleware(object):
    """
    Usage:
    cache = get_request_cache()
    cache.get('mykey')
    """
    
    def process_request(self, request):
        cache = get_request_cache()
        cache.set('mykey', 'myvalue', timeout=None)

    def process_response(self, request, response):
        cache = get_request_cache()
        cache.delete('mykey')
        return response