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fixed bug when spider returns None

This commit is contained in:
Pablo Hoffman 2009-08-27 12:10:31 -03:00
parent ab0def3f8b
commit 78481bf4d3
1 changed files with 2 additions and 2 deletions
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4
scrapy/core/scraper.py
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@ -5,7 +5,7 @@ from twisted.python.failure import Failure
from twisted.internet import defer
from scrapy.utils.defer import defer_result, defer_succeed, parallel
from scrapy.utils.misc import load_object
from scrapy.utils.misc import load_object, arg_to_iter
from scrapy.utils.signal import send_catch_log
from scrapy.core.exceptions import IgnoreRequest, DropItem
from scrapy.core import signals
@ -131,7 +131,7 @@ class Scraper(object):
return request.deferred.addCallback(self._iterable_spider_output)
def _iterable_spider_output(self, result):
return [result] if isinstance(result, (BaseItem, Request)) else result
return [result] if isinstance(result, BaseItem) else arg_to_iter(result)
def handle_spider_error(self, _failure, request, spider, propagated_failure=None):
referer = request.headers.get('Referer', None)