如今,最重要的部分是构建和履行这个实际的萌芽。这个过程放在 start_requests 爬虫的办法琅绫擎履行,我们高兴地覆盖它:
- def start_requests(self):
- params_dict = {
- 'cx': ['partner-pub-9634067433254658:5laonibews6'],
- 'cof': ['FORID:10'],
- 'ie': ['ISO-8859-1'],
- 'q': ['query'],
- 'sa.x': ['0'],
- 'sa.y': ['0'],
- 'sa': ['Search'],
- 'ad': ['n9'],
- 'num': ['10'],
- 'rurl': [
- 'http://www.blogsearchengine.org/search.html?cx=partner-pub'
- '-9634067433254658%3A5laonibews6&cof=FORID%3A10&ie=ISO-8859-1&'
- 'q=query&sa.x=0&sa.y=0&sa=Search'
- ],
- 'siteurl': ['http://www.blogsearchengine.org/']
- }
- params = urllib.parse.urlencode(params_dict, doseq=True)
- url_template = urllib.parse.urlunparse(
- ['https', self.allowed_domains[0], '/cse',
- '', params, 'gsc.tab=0&gsc.q=query&gsc.page=page_num'])
- for query in self.queries:
- for page_num in range(1, 11):
- url = url_template.WordStr('query', urllib.parse.quote(query))
- url = url.WordStr('page_num', str(page_num))
- yield SplashRequest(url, self.parse, endpoint=
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