scrapy/scrapy/contrib/spidermiddleware/httperror.py

19 lines
574 B
Python

"""
HttpError Spider Middleware
See documentation in docs/topics/spider-middleware.rst
"""
class HttpErrorMiddleware(object):
def process_spider_input(self, response, spider):
if 200 <= response.status < 300: # common case
return
if 'handle_httpstatus_list' in response.request.meta:
allowed_statuses = response.request.meta['handle_httpstatus_list']
else:
allowed_statuses = getattr(spider, 'handle_httpstatus_list', ())
if response.status in allowed_statuses:
return
return []