Python爬取百度百科简介以及内链词条简介

小鱼儿 2022-12-23 11:22 134阅读 0赞

注意初始中文词条需要转换(不转换会报错UnicodeEncodeError: 'ascii' codec can't encode characters in position 10-12: ordinal not in range(128))：

如：爱奇艺--->urllib.parse.quote("爱奇艺")-->%E7%88%B1%E5%A5%87%E8%89%BA

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3h1clFR_size_16_color_FFFFFF_t_70][]

程序源码

from urllib.request import urlopen
    import urllib
    from bs4 import BeautifulSoup
    
    
    pages = set()
    def getLink(pageurl):
       global pages
       headers = {
    
       "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3100.0 Safari/537.36"
    
       }
       print('https://baike.baidu.com{}'.format(pageurl))
       html = urlopen(urllib.request.Request('https://baike.baidu.com{}'.format(pageurl), headers=headers))
       bs = BeautifulSoup(html, 'html.parser')
       try:
          print(bs.h1.get_text())
          for text in bs.find('div', {'class': 'lemma-summary'}).find_all('div', {'class': 'para'}):
             print(text.get_text())
          for link in bs.find('div', {'class': 'para'}).find_all('a'):
             if 'href' in link.attrs:
                print(link.attrs['href'])
             else:
                  print('-----非链接-----')
                  print(link)
                  print('-----非链接-----')
       except AttributeError:
          print("yemianqieshaoshuxing")
    
       for link in bs.find('div', {'class': 'para'}).find_all('a', href=re.compile('^(/item/)')):
          if 'href' in link.attrs:
             if link.attrs['href'] not in pages:
                newpage = link.attrs['href']
                print('-'*20)
    
                print(newpage)
                pages.add(newpage)
                getLink(newpage)
    
    
    get_ = '/item/爱奇艺'
    print(get_)
    getLink(urllib.parse.quote(get_))

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3h1clFR_size_16_color_FFFFFF_t_70]: /images/20221120/64e3748aa79948ff89edc42538eafb33.png