def process_item(self, item, spider):
if re.search(u'window|??|??|????', item['title'], re.I):
print "ignore this item"
raise DropItem("Contains word that you don't want: %s" % item['title'])
elif re.search(u'window|??|??|????', item['abstract'], re.I):
print "ignore this item"
raise DropItem("Contains word that you don't want: %s" % item['abstract'])
else:
return item
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