GlobalRequest middleware

from threading import current_thread

class GlobalRequest(object):
    _requests = {}

    @staticmethod
    def get_request():
	try:
            return GlobalRequest._requests[current_thread()]
	except KeyError:
            return None

    def process_request(self, request):
        GlobalRequest._requests[current_thread()] = request

    def process_response(self, request, response):
        # Cleanup                                                               
        thread = current_thread()
        try:
            del GlobalRequest._requests[thread]
        except KeyError:
            pass
        return response

def get_request():
    return GlobalRequest.get_request()