Django实现在线无水印抖音视频下载(附源码及地址)


Posted in Python onMay 06, 2021

Django实现在线无水印抖音视频下载(附源码及地址)

项目地址是:https://www.chenshiyang.com/dytk

接下来我们分析下源码简要看下实现原理。

实现原理

该项目不需要使用模型(models), 最核心的只有两个页面:一个主页面(home)展示包含下载url地址的表单,一个下载页面(download)处理表单请求,并展示去水印后的视频文件地址及文件大小,以及用于手机预览的二维码。

对应两个核心页面的路由如下所示,每个url对应一个视图函数。

# urls.py

from django.urls import path

from web.views import home, download

urlpatterns = [
    path('home', home),
    path('downloader', download),
]

#web/urls.py

from django.http import HttpResponse
from django.shortcuts import render, redirect

# Create your views here.
from common.utils import format_duration, load_media
from common.DouYin import DY

def home(request):
    """首页"""
    return render(request, 'home.html')

def download(request):
    """下载"""
    url = request.POST.get('url', None)
    assert url != None

    dy = DY()
    data = dy.parse(url)

    mp4_path, mp4_content_length = load_media(data['mp4'], 'mp4')
    mp3_path, mp3_content_length = load_media(data['mp3'], 'mp3')

    realpath = ''.join(['https://www.chenshiyang.com', mp4_path])

    print('realpath---------------------', realpath)

    if len(data['desc'].split('#')) > 2:
        topic = data['desc'].split('#')[2].rstrip('#')

    return render(request, 'download.html', locals())

可以看出通过home页面表单提交过来的下载url会交由download函数处理。common模块的DouYin.py中定义的DY类负责对url继续解析,爬取相关视频地址,通过自定义utils.py中的load_media方法下载文件,并返回文件路径以及文件大小。

由于解析下载url,从抖音爬取数据的代码都封装到DY类里了,所以我们有必要贴下这个类的代码。另外,我们还需要贴下load_media这个方法的代码。

# common/DouYin.py

# -*- coding: utf-8 -*-
# @Time    : 2020-07-03 13:10
# @Author  : chenshiyang
# @Email   : chenshiyang@blued.com
# @File    : DouYin.py
# @Software: PyCharm


import re
from urllib.parse import urlparse
import requests
from common.utils import format_duration


class DY(object):

    def __init__(self, app=None):
        self.app = app
        if app is not None:
            self.init_app(app)

        self.headers = {
            'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',
            # 'accept-encoding': 'gzip, deflate, br',
            'accept-language': 'zh-CN,zh;q=0.9',
            'cache-control': 'no-cache',
            'cookie': 'sid_guard=2e624045d2da7f502b37ecf72974d311%7C1591170698%7C5184000%7CSun%2C+02-Aug-2020+07%3A51%3A38+GMT; uid_tt=0033579d9229eec4a4d09871dfc11271; sid_tt=2e624045d2da7f502b37ecf72974d311; sessionid=2e624045d2da7f502b37ecf72974d311',
            'pragma': 'no-cache',
            'sec-fetch-dest': 'document',
            'sec-fetch-mode': 'navigate',
            'sec-fetch-site': 'none',
            'sec-fetch-user': '?1',
            'upgrade-insecure-requests': '1',
            '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'
        }

        self.domain = ['www.douyin.com',
                       'v.douyin.com',
                       'www.snssdk.com',
                       'www.amemv.com',
                       'www.iesdouyin.com',
                       'aweme.snssdk.com']

    def init_app(self, app):
        self.app = app

    def parse(self, url):
        share_url = self.get_share_url(url)
        share_url_parse = urlparse(share_url)

        if share_url_parse.netloc not in self.domain:
            raise Exception("无效的链接")
        dytk = None
        vid = re.findall(r'\/share\/video\/(\d*)', share_url_parse.path)[0]
        match = re.search(r'\/share\/video\/(\d*)', share_url_parse.path)
        if match:
            vid = match.group(1)

        response = requests.get(
            share_url,
            headers=self.headers,
            allow_redirects=False)

        match = re.search('dytk: "(.*?)"', response.text)

        if match:
            dytk = match.group(1)

        if vid:
            return self.get_data(vid, dytk)
        else:
            raise Exception("解析失败")

    def get_share_url(self, url):
        response = requests.get(url,
                                headers=self.headers,
                                allow_redirects=False)

        if 'location' in response.headers.keys():
            return response.headers['location']
        elif '/share/video/' in url:
            return url
        else:
            raise Exception("解析失败")

    def get_data(self, vid, dytk):
        url = f"https://www.iesdouyin.com/web/api/v2/aweme/iteminfo/?item_ids={vid}&dytk={dytk}"
        response = requests.get(url, headers=self.headers, )
        result = response.json()
        if not response.status_code == 200:
            raise Exception("解析失败")
        item = result.get("item_list")[0]
        author = item.get("author").get("nickname")
        mp4 = item.get("video").get("play_addr").get("url_list")[0]
        cover = item.get("video").get("cover").get("url_list")[0]
        mp4 = mp4.replace("playwm", "play")
        res = requests.get(mp4, headers=self.headers, allow_redirects=True)
        mp4 = res.url
        desc = item.get("desc")
        mp3 = item.get("music").get("play_url").get("url_list")[0]

        data = dict()
        data['mp3'] = mp3
        data['mp4'] = mp4
        data['cover'] = cover
        data['nickname'] = author
        data['desc'] = desc
        data['duration'] = format_duration(item.get("duration"))
        return data

从代码你可以看到返回的data字典里包括了mp3和mp4源文件地址,以及视频的封面,作者昵称及描述等等。

接下来你可以看到load_media方法爬取了视频到本地,并提供了新的path和大小。

#common/utils.py

# -*- coding: utf-8 -*-
# @Time    : 2020-06-29 17:26
# @Author  : chenshiyang
# @Email   : chenshiyang@blued.com
# @File    : utils.py
# @Software: PyCharm
import os
import time

import requests


def format_duration(duration):
    """
    格式化时长
    :param duration 毫秒
    """

    total_seconds = int(duration / 1000)
    minute = total_seconds // 60
    seconds = total_seconds % 60
    return f'{minute:02}:{seconds:02}'

SUFFIXES = {1000: ['KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'],
    1024: ['KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB']}


def approximate_size(size, a_kilobyte_is_1024_bytes=True):

    '''Convert a file size to human-readable form.
    Keyword arguments:
    size -- file size in bytes
    a_kilobyte_is_1024_bytes -- if True (default), use multiples of 1024
                                if False, use multiples of 1000
    Returns: string
    '''

    if size < 0:
        raise ValueError('number must be non-negative')

    multiple = 1024 if a_kilobyte_is_1024_bytes else 1000
    for suffix in SUFFIXES[multiple]:
        size /= multiple
        if size < multiple:
            return '{0:.1f} {1}'.format(size, suffix)

    raise ValueError('number too large')


def do_load_media(url, path):
    """
    对媒体下载
    :param url:         多媒体地址
    :param path:        文件保存路径
    :return:            None
    """
    try:
        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"}
        pre_content_length = 0

        # 循环接收视频数据
        while True:
            # 若文件已经存在,则断点续传,设置接收来需接收数据的位置
            if os.path.exists(path):
                headers['Range'] = 'bytes=%d-' % os.path.getsize(path)
            res = requests.get(url, stream=True, headers=headers)

            content_length = int(res.headers['content-length'])
            # 若当前报文长度小于前次报文长度,或者已接收文件等于当前报文长度,则可以认为视频接收完成
            if content_length < pre_content_length or (
                    os.path.exists(path) and os.path.getsize(path) == content_length):
                break
            pre_content_length = content_length

            # 写入收到的视频数据
            with open(path, 'ab') as file:
                file.write(res.content)
                file.flush()
                print('receive data,file size : %d   total size:%d' % (os.path.getsize(path), content_length))
                return approximate_size(content_length, a_kilobyte_is_1024_bytes=False)

    except Exception as e:
        print('视频下载异常:{}'.format(e))


def load_media(url, path):
    basepath = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))

    # 生成13位时间戳
    suffixes = str(int(round(time.time() * 1000)))
    path = ''.join(['/media/', path, '/', '.'.join([suffixes, path])])
    targetpath = ''.join([basepath, path])
    content_length = do_load_media(url, targetpath)
    return path, content_length


def main(url, suffixes, path):
    load_media(url, suffixes, path)


if __name__ == "__main__":
    # url = 'https://aweme.snssdk.com/aweme/v1/play/?video_id=v0200fe70000br155v26tgq06h08e0lg&ratio=720p&line=0'
    # suffixes = 'test'
    # main(url, suffixes, 'mp4',)

    print(approximate_size(3726257, a_kilobyte_is_1024_bytes=False))

接下来我们看下模板, 这个没什么好说的。

# templates/home.html

{% extends "base.html" %}

{% block content %}
  <div class="jumbotron custom-jum no-mrg">
    <div class="container">
      <div class="row">
        <div class="col-md-12">
          <div class="center">
            <div class="home-search">
              <h1>抖音无水印视频下载器</h1>
              <h2>将抖音无水印视频下载到Mp4和Mp3</h2>
            </div>
            <div class="form-home-search">
              <form id="form_download" action='https://www.chenshiyang.com/dytk/downloader' method='POST'>
                <div class="input-group col-lg-10 col-md-10 col-sm-10">
                  <input name="url" class="form-control input-md ht58" placeholder="输入抖音视频 URL ..." type="text"
                    required="" value="">
                  <span class="input-group-btn"><button class="btn btn-primary input-md btn-download ht58" type="submit"
                      id="btn_submit">下载</button></span>
                </div>
              </form>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
  </div>

  {% endblock %}

# templates/download.html

{% extends "base.html" %}

{% block content %}
  <div class="page-content">
  <div class="container">
    <div class="row">
      <div class="col-lg-12 col-centered">
        <div class="ads mrg-bt20 text-center">
          <ins class="adsbygoogle" style="display:inline-block;width:728px;height:90px"
            data-ad-client="ca-pub-2984659695526033" data-ad-slot="5734284394"></ins>

        </div>
        <div class="card">
          <div class="row">
            <div class="col-md-4 col-sm-4">
              <a href="{{mp4_path}}" rel="external nofollow"  rel="external nofollow"  data-toggle="modal" class="card-aside-column img-video"
                style="height: 252px; background: url(&quot;{{data.cover}}&quot;) 0% 0% / cover;" title="">
                <span class="btn-play-video"><i class="glyphicon glyphicon-play"></i></span>
                <p class="time-video" id="time">{{data.duration}}</p>
              </a>
              <h5>作者: {{data.nickname}}</h5>
              <h5><a href="#" rel="external nofollow" >{{topic}} <i class="open-new-window"></i></a></h5>
              <p class="card-text">{{data.desc}}</p>
            </div>
            <div class="col-md-8 col-sm-8 col-table">
              <table class="table">
                <thead>
                  <tr>
                    <th>format</th>
                    <th>size</th>
                    <th>Downloads</th>
                  </tr>
                </thead>
                <tbody>
                  <tr>

                    <td>mp4</td>
                    <td>{{mp4_content_length}}</td>
                    <td>
                      <a href="{{mp4_path}}" rel="external nofollow"  rel="external nofollow"  class="btn btn-download"  download="">下载</a>
                    </td>
                  </tr>
                  <tr>

                    <td>mp3</td>
                    <td>{{mp3_content_length}}</td>
                    <td>
                      <a href="{{mp3_path}}" rel="external nofollow"  class="btn btn-download"  download="">下载</a>
                    </td>
                  </tr>

                </tbody>

              </table>
            </div>
          </div>
        </div>

        <div class="card card-qrcode">
          <div class="row">
            <div class="col-md-12 qrcode">
              <div class="text-center">
                <p class="qrcode-p">扫描下面的二维码直接下载到您的智能手机或平板电脑!</p>
              </div>
            </div>
            <div class="col-md-4 col-centered qrcode">
              <div id="qrcode" title="{{realpath}}">
                <script src="/static/js/qrcode.min.js"></script>
                <script type="text/javascript">
                  new QRCode(document.getElementById("qrcode"), {
                    text: "{{realpath}}",
                    width: 120,
                    height: 120,
                    correctLevel: QRCode.CorrectLevel.L
                  });
</script>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
</div>

{% endblock %}

完整源码地址:

https://github.com/tinysheepyang/python_api

以上就是Django实现在线无水印抖音视频下载(附源码及地址)的详细内容,更多关于Django 无水印抖音视频下载的资料请关注三水点靠木其它相关文章!

Python 相关文章推荐
python ElementTree 基本读操作示例
Apr 09 Python
python统计一个文本中重复行数的方法
Nov 19 Python
Python的Tornado框架实现图片上传及图片大小修改功能
Jun 30 Python
python实现爬取图书封面
Jul 05 Python
python 执行文件时额外参数获取的实例
Dec 18 Python
Python3使用TCP编写一个简易的文件下载器功能
May 08 Python
Python中函数的基本定义与调用及内置函数详解
May 13 Python
python绘制规则网络图形实例
Dec 09 Python
CentOS7下安装python3.6.8的教程详解
Jan 03 Python
tensorflow自定义激活函数实例
Feb 04 Python
浅谈如何使用python抓取网页中的动态数据实现
Aug 17 Python
python基础入门之普通操作与函数(三)
Jun 13 Python
Django给表单添加honeypot验证增加安全性
Django利用AJAX技术实现博文实时搜索
May 06 #Python
python 如何获取页面所有a标签下href的值
May 06 #Python
Python中常见的导入方式总结
May 06 #Python
Python基础之hashlib模块详解
May 06 #Python
用Python爬虫破解滑动验证码的案例解析
python本地文件服务器实例教程
You might like
PHP数组与对象之间使用递归实现转换的方法
2015/06/24 PHP
PHP基于curl后台远程登录正方教务系统的方法
2016/10/14 PHP
PHPstorm快捷键(分享)
2017/07/17 PHP
JavaScript窗口功能指南之在窗口中书写内容
2006/07/21 Javascript
jquery复选框CHECKBOX全选、反选
2008/08/30 Javascript
javascript jscroll模拟html元素滚动条
2012/12/18 Javascript
jQuery基础框架浅入剖析
2012/12/27 Javascript
js根据给定的日期计算当月有多少天实现思路及代码
2013/02/25 Javascript
Javascript 遮罩层和加载效果代码
2013/08/01 Javascript
js获取IFRAME当前的URL的方法
2013/11/13 Javascript
JavaScript汉诺塔问题解决方法
2015/04/21 Javascript
jQuery 中ajax异步调用的四种方式
2016/06/28 Javascript
学习vue.js中class与style绑定
2016/12/03 Javascript
详解使用nvm管理多版本node的方法
2017/08/30 Javascript
jquery一键控制checkbox全选、反选或全不选
2017/10/16 jQuery
jQuery实现每隔一段时间自动更换样式的方法分析
2018/05/03 jQuery
nodejs中express入门和基础知识点学习
2018/09/13 NodeJs
解决layer弹出层自适应页面大小的问题
2019/09/16 Javascript
Echarts实现单条折线可拖拽效果
2019/12/19 Javascript
js代码编写无缝轮播图
2020/09/13 Javascript
Python多进程同步Lock、Semaphore、Event实例
2014/11/21 Python
python启动应用程序和终止应用程序的方法
2019/06/28 Python
如何更改 pandas dataframe 中两列的位置
2019/12/27 Python
浅谈matplotlib默认字体设置探索
2021/02/03 Python
Python使用cn2an实现中文数字与阿拉伯数字的相互转换
2021/03/02 Python
CSS3实现简易版的刮刮乐效果
2016/09/27 HTML / CSS
HTML5获取当前地理位置并在百度地图上展示的实例
2020/07/10 HTML / CSS
英国度假别墅预订:Sykes Cottages
2017/06/12 全球购物
Linux管理员面试经常问道的相关命令
2013/04/29 面试题
夏季药店促销方案
2014/08/22 职场文书
助学贷款贫困证明
2014/09/23 职场文书
中学生检讨书1000字
2014/10/28 职场文书
2015年求职自荐信范文
2015/03/04 职场文书
《弟子规》读后感:知廉耻、明是非、懂荣辱、辨善恶
2019/12/03 职场文书
python编程学习使用管道Pipe编写优化代码
2021/11/20 Python
CSS3实现360度循环旋转功能
2022/02/12 HTML / CSS