poj.py 文件源码

def parse(self, response):
        sel = Selector(response)

        self.item = AccountItem()
        self.item['oj'] = 'poj'
        self.item['username'] = self.username
        if self.is_login:
            try:
                self.item['rank'] = sel.xpath('//center/table/tr')[1].\
                        xpath('.//td/font/text()').extract()[0]
                self.item['accept'] = sel.xpath('//center/table/tr')[2].\
                        xpath('.//td/a/text()').extract()[0]
                self.item['submit'] = sel.xpath('//center/table/tr')[3].\
                        xpath('.//td/a/text()').extract()[0]
                yield Request(self.accepted_url % self.username,
                              callback = self.accepted
                             )
                self.item['status'] = 'Authentication Success'
            except:
                self.item['status'] = 'Unknown Error'
        else:
            self.item['status'] = 'Authentication Failed'

        yield self.item