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Async web scraping framework

Project description

Key Features

  • Provides a web scraping framework used to crawl web pages.
  • Provides data extraction tools used to extract structured data from web pages.

Spider Example

以下是我们的一个爬虫类示例,其作用为爬取 腾讯新闻 首页的”要闻”:

from xpaw import Spider, HttpRequest, Selector, run_spider

class TencentNewsSpider(Spider):
    def start_requests(self):
        yield HttpRequest("", callback=self.parse)

    def parse(self, response):
        selector = Selector(response.text)
        major_news = selector.css("div.major a.linkto").text
        self.log("Major news:")
        for i in range(len(major_news)):
            self.log("%s: %s", i + 1, major_news[i])

if __name__ == '__main__':


  • start_requests: 返回爬虫初始请求。
  • parse: 处理请求得到的页面,这里借助 Selector 及CSS Selector语法提取到了我们所需的数据。


Project details

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