Created
March 2, 2021 10:15
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scrapy request delay middleware
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| class RequestDelayMiddleware(object): | |
| def process_request(self, request, spider): | |
| # Add delay_by key in meta | |
| delay_s = request.meta.get('delay_by', None) | |
| if not delay_s: | |
| return | |
| deferred = Deferred() | |
| reactor.callLater(delay_s, deferred.callback, None) | |
| return deferred |
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