示例#1
0
class DoubanCrawlerPipeline(object):
    def __init__(self):
        self.dbmg = None
        dispatcher.connect(self.spider_opened, signals.spider_opened)
        dispatcher.connect(self.spider_closed, signals.spider_closed)

    def spider_opened(self, spider):
        self.dbmg = DBManager()
        self.dbmg.open_db()

    def spider_closed(self, spider):
        self.dbmg.close_db()
        self.dbmg = None

    def process_item(self, item, spider):
        self.dbmg.store_item(item)
        return item
示例#2
0
 def spider_opened(self, spider):
     self.dbmg = DBManager()
     self.dbmg.open_db()