xhmo_middleware.py

class PatchMethodOverrideMiddleware(object):
    """
    Support X-HTTP-Method-Override: PATCH.

    This isn't 100% support, since it's just here to work around ELB
    not supporting PATCH. So this only allows "converting" POST to PATCH.
    """
    def process_request(self, request):
        if request.method == 'POST':
            override = request.META.pop('HTTP_X_HTTP_METHOD_OVERRIDE', '')
            if override.upper() == 'PATCH':
                request.method = 'PATCH'