Hi all,
I tried to write my own downloader middleware and pass some parameter in
process_response just like below.
class MyMiddleware(object):
def process_response(self, request, response, spider):
response.meta['test'] = 'hello' # Spider cannot get this
return response
However, I cannot get response meta in my spider.
But it can work if I pass request.meta in process_request.
class MyMiddleware(object):
def process_request(self, request, spider):
request.meta['test'] = 'hello' # Spider can get this
return None
I'd like to know why I cannot passed parameter in response like the first
example.
Thanks.
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