擅长:python、mysql、java
<p>从阅读文档来看,我认为你必须满足所有路径,例如</p>
<pre><code>from scrapy.exceptions import DropItem
def process_item(self, item, spider):
keywords = ['leather', 'couches']
if item['url']:
if any(key in item['url'] for key in keywords):
return item
else
raise DropItem("Missing specified keywords.")
else
return item
</code></pre>