标签:tags Python movie 必学 爬虫 url html print re
2019-06-27 23:51:51 阅读数 407 收藏 更多 分类专栏: python爬虫
用python实现的抓取腾讯视频所有电影的爬虫
- # -*- coding: utf-8 -*-
- import re
- import urllib2
- from bs4 import BeautifulSoup
- import string, time
- import pymongo
- NUM = 0 #全局变量,电影数量
- m_type = u'' #全局变量,电影类型
- m_site = u'qq' #全局变量,电影网站
- #根据指定的URL获取网页内容
- def gethtml(url):
- req = urllib2.Request(url)
- response = urllib2.urlopen(req)
- html = response.read()
- return html
- '''
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- '''
- #从电影分类列表页面获取电影分类
- def gettags(html):
- global m_type
- soup = BeautifulSoup(html) #过滤出分类内容
- #print soup
- #<ul class="clearfix _group" gname="mi_type" gtype="1">
- tags_all = soup.find_all('ul', {'class' : 'clearfix _group' , 'gname' : 'mi_type'})
- #print len(tags_all), tags_all
- #print str(tags_all[1]).replace('\n', '')
- #<a _hot="tag.sub" class="_gtag _hotkey" href="http://v.qq.com/list/1_0_-1_-1_1_0_0_20_0_-1_0.html"title="动作" tvalue="0">动作</a>
- re_tags = r'<a _hot=\"tag\.sub\" class=\"_gtag _hotkey\" href=\"(.+?)\" title=\"(.+?)\" tvalue=\"(.+?)\">.+?</a>'
- p = re.compile(re_tags, re.DOTALL)
- tags = p.findall(str(tags_all[0]))
- if tags:
- tags_url = {}
- #print tags
- for tag in tags:
- tag_url = tag[0].decode('utf-8')
- #print tag_url
- m_type = tag[1].decode('utf-8')
- tags_url[m_type] = tag_url
- else:
- print "Not Find"
- return tags_url
- #获取每个分类的页数
- def get_pages(tag_url):
- tag_html = gethtml(tag_url)
- #div class="paginator
- soup = BeautifulSoup(tag_html) #过滤出标记页面的html
- #print soup
- #<div class="mod_pagenav" id="pager">
- div_page = soup.find_all('div', {'class' : 'mod_pagenav', 'id' : 'pager'})
- #print div_page #len(div_page), div_page[0]
- #<a class="c_txt6" href="http://v.qq.com/list/1_2_-1_-1_1_0_24_20_0_-1_0.html" title="25"><span>25</span></a>
- re_pages = r'<a class=.+?><span>(.+?)</span></a>'
- p = re.compile(re_pages, re.DOTALL)
- pages = p.findall(str(div_page[0]))
- #print pages
- if len(pages) > 1:
- return pages[-2]
- else:
- return 1
- def getmovielist(html):
- soup = BeautifulSoup(html)
- #<ul class="mod_list_pic_130">
- divs = soup.find_all('ul', {'class' : 'mod_list_pic_130'})
- #print divs
- for div_html in divs:
- div_html = str(div_html).replace('\n', '')
- #print div_html
- getmovie(div_html)
- def getmovie(html):
- global NUM
- global m_type
- global m_site
- re_movie = r'<li><a class=\"mod_poster_130\" href=\"(.+?)\" target=\"_blank\" title=\"(.+?)\"><img.+?</li>'
- p = re.compile(re_movie, re.DOTALL)
- movies = p.findall(html)
- if movies:
- conn = pymongo.Connection('localhost', 27017)
- movie_db = conn.dianying
- playlinks = movie_db.playlinks
- #print movies
- for movie in movies:
- #print movie
- NUM += 1
- print "%s : %d" % ("=" * 70, NUM)
- values = dict(
- movie_title = movie[1],
- movie_url = movie[0],
- movie_site = m_site,
- movie_type = m_type
- )
- print values
- playlinks.insert(values)
- print "_" * 70
- NUM += 1
- print "%s : %d" % ("=" * 70, NUM)
- #else:
- # print "Not Find"
- def getmovieinfo(url):
- html = gethtml(url)
- soup = BeautifulSoup(html)
- #pack pack_album album_cover
- divs = soup.find_all('div', {'class' : 'pack pack_album album_cover'})
- #print divs[0]
- #<a href="http://www.tudou.com/albumplay/9NyofXc_lHI/32JqhiKJykI.html" target="new" title="《血滴子》独家纪录片" wl="1"> </a>
- re_info = r'<a href=\"(.+?)\" target=\"new\" title=\"(.+?)\" wl=\".+?\"> </a>'
- p_info = re.compile(re_info, re.DOTALL)
- m_info = p_info.findall(str(divs[0]))
- if m_info:
- return m_info
- else:
- print "Not find movie info"
- return m_info
- def insertdb(movieinfo):
- global conn
- movie_db = conn.dianying_at
- movies = movie_db.movies
- movies.insert(movieinfo)
- if __name__ == "__main__":
- global conn
- tags_url = "http://v.qq.com/list/1_-1_-1_-1_1_0_0_20_0_-1_0.html"
- #print tags_url
- tags_html = gethtml(tags_url)
- #print tags_html
- tag_urls = gettags(tags_html)
- #print tag_urls
- for url in tag_urls.items():
- print str(url[1]).encode('utf-8') #,url[0]
- maxpage = int(get_pages(str(url[1]).encode('utf-8')))
- print maxpage
- for x in range(0, maxpage):
- #http://v.qq.com/list/1_0_-1_-1_1_0_0_20_0_-1_0.html
- m_url = str(url[1]).replace('0_20_0_-1_0.html', '')
- movie_url = "%s%d_20_0_-1_0.html" % (m_url, x)
- print movie_url
- movie_html = gethtml(movie_url.encode('utf-8'))
- #print movie_html
- getmovielist(movie_html)
- time.sleep(0.1)
标签:tags,Python,movie,必学,爬虫,url,html,print,re 来源: https://www.cnblogs.com/chengxuyuanaa/p/12005765.html
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