python爬视频实例

概述例：抓取PhotoShop视频教程 网址http://www.mxiaobei.com/?id=424 import requestsimport refrom bs4 import BeautifulSoupimport timedicts = {}list1 = set()print('start')ua = 'Mozilla/5.0 (Macintosh; Intel M

例：抓取PhotoShop视频教程 网址http://www.mxiaobei.com/?ID=424

import requestsimport refrom bs4 import BeautifulSoupimport timedicts = {}List1 = set()print('start')ua = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML,like Gecko) Chrome/76.0.3809.87 Safari/537.36'urls = 'http://www.mxiaobei.com/?ID='for index in range(451,565):    r = requests.get(urls + str(index),headers = {'user-agent': ua })    r.enCoding = 'utf-8'    soup = BeautifulSoup(r.text,'lxml')    Title = soup.find(name='h2')    mp4url = soup.find('div',ID='CuPlayer')    if mp4url is None:        List1.add(index)        continue    mpurl = re.search('http.*?mp4',mp4url.text)    dicts[Title.text] = mpurl.group()    #print(index)    #time.sleep(1)    #print(Title.text + ' : ' + dicts[Title.text])print(dicts)print(List1)for temp in dicts.items():    #time.sleep(1)    r = requests.get(temp[1],stream=True)    with open(temp[0] + '.mp4',"wb") as mp4:        for chunk in r.iter_content(chunk_size=1024 * 1024):            if chunk:                mp4.write(chunk)    print(temp[0]+'下载完成')print('end!')

BeautifulSoup: https://beautifulsoup.readthedocs.io/zh_CN/v4.4.0/ Requests: http://cn.python-requests.org/zh_CN/latest/ 总结

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