本文整理汇总了Python中scrapy.http.request.Request.meta['surgery_item']方法的典型用法代码示例。如果您正苦于以下问题:Python Request.meta['surgery_item']方法的具体用法?Python Request.meta['surgery_item']怎么用?Python Request.meta['surgery_item']使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类scrapy.http.request.Request
的用法示例。
在下文中一共展示了Request.meta['surgery_item']方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: parse_surgery
# 需要导入模块: from scrapy.http.request import Request [as 别名]
# 或者: from scrapy.http.request.Request import meta['surgery_item'] [as 别名]
def parse_surgery(self, response):
print response.url
surgery_item = SurgeryItem()
surgery_item['url'] = response.url
surgery_item['name'] = response.xpath('//div[@class="w_n"]/h3/text()').extract()[0]
surgery_item['summary'] = response.xpath('//dd[@class="w_d3"]/text()').extract()[0]
# Go on parsing details
_next = response.xpath('//div[@class="w_n"]/div[@class="w_na clears"]/a[@class="hover"]/following-sibling::a[not(@class="w_la")][1]/@href').extract()
next_detail_url = urljoin(response.url, _next[0])
request = Request(url=next_detail_url, dont_filter=True, callback=self._parse_surgery_detail)
request.meta['surgery_item'] = surgery_item
yield request
示例2: _parse_surgery_detail
# 需要导入模块: from scrapy.http.request import Request [as 别名]
# 或者: from scrapy.http.request.Request import meta['surgery_item'] [as 别名]
def _parse_surgery_detail(self, response):
print response.url
surgery_item = response.meta['surgery_item']
key = response.url.split('/')[-1].split('.')[0]
field = self._surgery_detail_url_map[key]
print surgery_item['name'], key, field
surgery_item[field] = strip_tags('\n'.join(response.xpath('//div[@class="w_contl fl"]/h3/following-sibling::*').extract())).strip()
_next = response.xpath('//div[@class="w_n"]/div[@class="w_na clears"]/a[@class="hover"]/following-sibling::a[not(@class="w_la")][1]/@href').extract()
if _next:
next_detail_url = urljoin(response.url, _next[0])
request = Request(url=next_detail_url, dont_filter=True, callback=self._parse_surgery_detail)
request.meta['surgery_item'] = surgery_item
yield request
else:
yield surgery_item