pipelines.py 文件源码

def process_item(self, item, spider):
        str = ""
        for e in item["bookinfo"]:
            if re.search(r'^\s*$', e):
                print "drop this element"
            else:
                str = str + e + ","
    item["bookinfo"] = str[:-1]

        if item['name']:
            if item['author']:
                return item
            else:
                raise DropItem("Missing name or author in %s" % item)