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from django.middleware.http import ConditionalGetMiddleware
from django.middleware.common import CommonMiddleware
def compat_middleware_factory(klass):
"""
Class wrapper that only executes `process_response`
if `streaming` is not set on the `HttpResponse` object.
Django has a bad habbit of looking at the content,
which will prematurely exhaust the data source if we're
using generators or buffers.
"""
class compatwrapper(klass):
def process_response(self, req, resp):
if not hasattr(resp, 'streaming'):
return klass.process_response(self, req, resp)
return resp
return compatwrapper
ConditionalMiddlewareCompatProxy = compat_middleware_factory(ConditionalGetMiddleware)
CommonMiddlewareCompatProxy = compat_middleware_factory(CommonMiddleware)
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