前言:本篇爬虫只做经验交流,不可用于其他用途,如果转载,请著名出处和链接即可
希望: 喜欢博主的小伙伴,希望点个关注哦~,更多爬虫项目请收藏本栏目,不定期添加干货
注意: 因为抖音那边更新版本的速度还挺快,不能保证这个博文一直能用,但是爬虫思想不会变,只要学会了思想,无论怎么变,相信你都能解决的
目录
一、抖音视频分析
二、分析复制的短链接
三、分析返回的数据
四、下载源码
五、运行结果:
①、打开抖音app,搜索想要爬取视频的抖音音乐人
②、找到主页右上角三个点
③、点击其中的分享
④、选择其中的复制链接
①浏览器打开复制的链接
②、使用移动端打开
③、浏览器抓包
④、分析请求链接
①看整体数据,将数组折叠先
②、分析视频信息
#!/usr/bin/env python
# encoding: utf-8
'''
#-------------------------------------------------------------------
# CONFIDENTIAL --- CUSTOM STUDIOS
#-------------------------------------------------------------------
#
# @Project Name : 抖音下载小助手
#
# @File Name : main.py
#
# @Programmer : Felix
#
# @Start Date : 2020/7/30 14:42
#
# @Last Update : 2020/7/30 14:42
#
#-------------------------------------------------------------------
'''
import os, sys, requests
import json, re, time
from retrying import retry
from contextlib import closing
class DouYin:
'''
This is a main Class, the file contains all documents.
One document contains paragraphs that have several sentences
It loads the original file and converts the original file to new content
Then the new content will be saved by this class
'''
def __init__(self):
'''
Initial the custom file by some url
'''
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-language': 'zh-CN,zh;q=0.9,en;q=0.8',
'pragma': 'no-cache',
'cache-control': 'no-cache',
'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',
}
def hello(self):
'''
This is welcome speech
:return: self
'''
print("*" * 50)
print(' ' * 15 + '抖音下载小助手')
print(' ' * 5 + '作者: Felix Date: 2020-05-20 13:14')
print(' ' * 15 + '无水印 | 有水印')
print(' ' * 12 + '输入用户的sec_uid即可')
print(' ' * 2 + '用浏览器打开用户分享链接,复制参数中sec_uid')
print("*" * 50)
return self
def get_video_urls(self, sec_uid, type_flag='p'):
'''
Get the video link of user
:param type_flag: the type of video
:return: nickname, video_list
'''
user_url_prefix = 'https://www.iesdouyin.com/web/api/v2/aweme/post' if type_flag == 'p' else 'https://www.iesdouyin.com/web/api/v2/aweme/like'
print('---解析视频链接中...\r')
i = 0
result = []
while result == []:
i = i + 1
print('---正在第 {} 次尝试...\r'.format(str(i)))
user_url = user_url_prefix + '/?sec_uid=%s&count=2000' % (sec_uid)
response = self.get_request(user_url)
html = json.loads(response.content.decode())
if html['aweme_list'] != []:
result = html['aweme_list']
nickname = None
video_list = []
for item in result:
if nickname is None:
nickname = item['author']['nickname'] if re.sub(r'[\/:*?"<>|]', '', item['author']['nickname']) else None
video_list.append({
'desc': re.sub(r'[\/:*?"<>|]', '', item['desc']) if item['desc'] else '无标题' + str(int(time.time())),
'url': item['video']['play_addr']['url_list'][0]
})
return nickname, video_list
def get_download_url(self, video_url, watermark_flag):
'''
Whether to download watermarked videos
:param video_url: the url of video
:param watermark_flag: the type of video
:return: the url of o
'''
if watermark_flag == True:
download_url = video_url.replace('api.amemv.com', 'aweme.snssdk.com')
else:
download_url = video_url.replace('aweme.snssdk.com', 'api.amemv.com')
return download_url
def video_downloader(self, video_url, video_name, watermark_flag=False):
'''
Download the video
:param video_url: the url of video
:param video_name: the name of video
:param watermark_flag: the flag of video
:return: None
'''
size = 0
video_url = self.get_download_url(video_url, watermark_flag=watermark_flag)
with closing(requests.get(video_url, headers=self.headers, stream=True)) as response:
chunk_size = 1024
content_size = int(response.headers['content-length'])
if response.status_code == 200:
sys.stdout.write('----[文件大小]:%0.2f MB\n' % (content_size / chunk_size / 1024))
with open(video_name + '.mp4', 'wb') as file:
for data in response.iter_content(chunk_size=chunk_size):
file.write(data)
size += len(data)
file.flush()
sys.stdout.write('----[下载进度]:%.2f%%' % float(size / content_size * 100) + '\r')
sys.stdout.flush()
@retry(stop_max_attempt_number=3)
def get_request(self, url, params=None):
'''
Send a get request
:param url: the url of request
:param params: the params of request
:return: the result of request
'''
if params is None:
params = {}
response = requests.get(url, params=params, headers=self.headers, timeout=10)
assert response.status_code == 200
return response
@retry(stop_max_attempt_number=3)
def post_request(self, url, data=None):
'''
Send a post request
:param url: the url of request
:param data: the params of request
:return: the result of request
'''
if data is None:
data = {}
response = requests.post(url, data=data, headers=self.headers, timeout=10)
assert response.status_code == 200
return response
def run(self):
'''
Program entry
'''
sec_uid = input('请输入用户sec_uid:')
sec_uid = sec_uid if sec_uid else 'MS4wLjABAAAAle_oORaZCgYlB84cLTKSqRFvDgGmgrJsS6n3TfwxonM'
watermark_flag = input('是否下载带水印的视频 (0-否(默认), 1-是):')
watermark_flag = bool(int(watermark_flag)) if watermark_flag else 0
type_flag = input('p-上传的(默认), l-收藏的:')
type_flag = type_flag if type_flag else 'p'
save_dir = input('保存路径 (默认"./Download/"):')
save_dir = save_dir if save_dir else "./Download/"
nickname, video_list = self.get_video_urls(sec_uid, type_flag)
nickname_dir = os.path.join(save_dir, nickname)
if not os.path.exists(nickname_dir):
os.makedirs(nickname_dir)
if type_flag == 'f':
if 'favorite' not in os.listdir(nickname_dir):
os.mkdir(os.path.join(nickname_dir, 'favorite'))
print('---视频下载中: 共有%d个作品...\r' % len(video_list))
for num in range(len(video_list)):
print('---正在解析第%d个视频链接 [%s] 中,请稍后...\n' % (num + 1, video_list[num]['desc']))
video_path = os.path.join(nickname_dir, video_list[num]['desc']) if type_flag != 'f' else os.path.join(nickname_dir, 'favorite', video_list[num]['desc'])
if os.path.isfile(video_path):
print('---视频已存在...\r')
else:
self.video_downloader(video_list[num]['url'], video_path, watermark_flag)
print('\n')
print('---下载完成...\r')
if __name__ == "__main__":
DouYin().hello().run()
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