Python视频下载.rar

from urllib.request import urlretrieve import requests # 解析库 XPath 是一门在 XML 文档中查找信息的语言 # lxml，使用的是 Xpath 语法，同样是效率比较高的解析方法 from lxml import etree import re import os import time # 获取页面源代码 # 获取视频id # 拼接完整URL # 获取视频播放地址 # 下载视频 # 传url 为了下载更多 def download(url): # 模拟浏览器发送请求 header = {'User-Agent':'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0'} # url = 'http://www.pearvideo.com/category_8' # 获取网页源代码 html = requests.get(url,headers=header).text # 接下来获取ID 有几种方法 # 把文本文件处理成可解析对象 # html = etree.HTML(html) # 利用xpath找到需要的id # video_id = html.xpath('//div[@class="vervideo-bd"]/a/@href') reg = '<a href="(.*?)" class="vervideo-lilink actplay">' video_id = re.findall(reg,html) # print(video_id) # 定义一个空列表 video_url = [] starturl = 'http://www.pearvideo.com' for i in video_id: # 拼接完整URL地址 newurl = starturl +'/'+ i # 添加 video_url.append(newurl) for playurl in video_url: # 获取播放页源代码 html = requests.get(playurl).text # 正则匹配 匹配播放地址 req = 'ldUrl="",srcUrl="(.*?)",vdoUrl' # 编译正则表达式字符串为对象，目的是增加效 率 # reg = re.compile(reg) purl = re.findall(req, html) # 获取视频标题 req = '<h1 class="video-tt">(.*?)</h1>' pname = re.findall(req,html) print("正在下载视频:%s"%pname[0]) path = "video" if path not in os.listdir(): os.mkdir(path) urlretrieve(purl[0],path+"/%s.mp4"%pname[0]) download('http://www.pearvideo.com/category_8') # n = 12 # def downloadmore(): # while True: # global n # if n > 48: # # 跳出循环 # return # # 找到规律 # url = "http://www.pearvideo.com/category_loading.jsp?reqType=5&categoryId=9&start=%d"%n # # url = "http://www.pearvideo.com/category_loading.jsp?reqType=5&categoryId=8&start=%d&mrd=0.1864387383822984&hotContIds=1365471,1367413,1367109"%n # n += 12 # time.sleep(1) # # 调用下载方法 # download(url) # category = [9,10,1,2,5,8,4,3,31,6,59] # for category_id in category: # downloadmore(category_id) # downloadmore()