python抖音视频在线解析（转载）

# -*- coding: UTF-8 -*-
import requests
import re



def dou():

    print("===>欢迎使用抖音视频去水印提取工具")
    print("===>请输入抖音链接中的短链接（eg：https://v.douyin.com/sLvq6P/）")
    input_url = input("===>")
    preurl = re.findall(r'(?<=douyin.com\/)\w+\/', input_url, re.I|re.M)
    url = "https://v.douyin.com/"+preurl[0]
    print('url:'+url)
    #设置浏览器代理，一定要是移动设备，安卓/iOS均可 
    headers = {
    "user-agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1"
    }
    #请求短链接，获得itemId和dytk
    get = requests.get(url, headers=headers)
    html = get.content
    # print(html)
    itemId = re.findall(r"(?<=itemId:\s\")\d+", str(html))
    # print(itemId[0])
    dytk = re.findall(r"(?<=dytk:\s\")(.*?)(?=\")", str(html))
    # print(dytk[0])

    #组装视频长链接
    videourl = "https://www.iesdouyin.com/web/api/v2/aweme/iteminfo/?\
item_ids="+itemId[0]+"&dytk="+dytk[0]
    # print(videourl)

    #请求长链接，获取play_addr
    videoopen = requests.get(videourl, headers=headers)
    vhtml = videoopen.text
    print(vhtml)
    uri = re.findall(r'(?<=\"uri\":\")\w{32}(?=\")', str(vhtml))
    print(uri[0])

    #长链接的格式其实是固定的，唯一变动的就是video_id，上面提取出uri后进行组装即可得到最终链接
    play_addr = "https://aweme.snssdk.com/aweme/v1/play/?video_id="+uri[0]+\
                "&line=0&ratio=540p&media_type=4&vr_type=0&improve_bitrate=0&is_play_url=1&is_support_h265=0&source=PackSourceEnum_PUBLISH"
    print("===>复制下面的长链接到手机浏览器打开即可得到无水印视频\n===>"+play_addr)

    #自定义文件名保存短视频
    name = input("===>正在下载保存视频,请输入视频名称：")
    video = requests.get(url=play_addr, headers=headers)
    with open(name+".mp4", 'wb')as file:
        file.write(video.content)
        file.close()
        print("===>视频下载完成！")

    #完事后退出程序
    print("下载完成==>")


for s in range(1,100):
    dou()