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GlobalRequest middleware

Author:
myq
Posted:
November 26, 2012
Language:
Python
Version:
1.4
Tags:
middleware request
Score:
0 (after 0 ratings)

Thread-safe middleware that makes the current request object available globally.

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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()

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