本文整理匯總了Python中scrapy.http.request.Request.meta['surgery_item']方法的典型用法代碼示例。如果您正苦於以下問題:Python Request.meta['surgery_item']方法的具體用法?Python Request.meta['surgery_item']怎麽用?Python Request.meta['surgery_item']使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類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個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: parse_surgery
# 需要導入模塊: from scrapy.http.request import Request [as 別名]
# 或者: from scrapy.http.request.Request import meta['surgery_item'] [as 別名]
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
# 需要導入模塊: from scrapy.http.request import Request [as 別名]
# 或者: from scrapy.http.request.Request import meta['surgery_item'] [as 別名]
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