前言
作为目前全世界最大的视频网站,它几乎全是用Python来写的
该网站当前行业内在线视频服务提供商,该网站的系统每天要处理上千万个视频片段,为全球成千上万的用户提供高水平的视频上传、分发、展示、浏览服务。2015年2月,央视首次把春晚推送到该网站。
今天,我们就要用Python来快速批量下载该网站的视频
版 本: python 3.8
编辑器:pycharm 2021.2
第三方模块:requests + tqdm
import requests
import re
import json
from tqdm import tqdm
import os
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headers = { 'cookie': 'VISITOR_INFO1_LIVE=9qZVrzB27uI; PREF=f4=4000000&tz=Asia.Shanghai; _ga=GA1.2.621834420.1648121145; _gcl_au=1.1.1853038046.1648121145; NID=511=Zc1APdmEbCD-iqVNVgI_vD_0S3LVI3XSfl-wUZEvvMU2MLePFKsQCaKUlUtchHSg-kWEVMGOhWUbxpQMwHeIuLjhxaslwniMh1OsjVfmOeTfhpwcRYpMgqpZtNQ7qQApY21xEObCvIez6DCMbjRhRQ5P7siOD3X87QX0CFyUxmY; OTZ=6430350_24_24__24_; GPS=1; YSC=0E115KqM_-I; GOOGLE_ABUSE_EXEMPTION=ID=d02004902c3d0f4d:TM=1648620854:C=r:IP=47.57.243.77-:S=YmZXPW7dxbu83bDuauEpXpE; CONSISTENCY=AGDxDeNysJ2boEmzRP4v6cwgg4NsdN4-FYQKHCGhA0AeW1QjFIU1Ejq1j8l6lwAc6c-pYTJiSaQItZ1M6QeI1pQ3wictnWXTOZ6_y8EKlt0Y_JdakwW6srR39-NLuPgSgXrXwtS0XTUGXpdnt4k3JjQ', 'referer': 'https://www.youtube.com/results?search_query=jk%E7%BE%8E%E5%A5%B3', 'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 Safari/537.36' } url = 'https://www.有土比.com/watch?v=ImoXcSpR_io' response = requests.get(url=url, headers=headers)
json_str = re.findall('var ytInitialPlayerResponse = (.*?);var', response.text)[0] json_data = json.loads(json_str) video_url = json_data['streamingData']['adaptiveFormats'][0]['url'] audio_url = json_data['streamingData']['adaptiveFormats'][-2]['url'] title = json_data['videoDetails']['title'] title = title.replace(' ', '') title = re.sub(r'[\/:|?*"<>]', '', title)
video_pbar = tqdm(total=file_size) with open(f'{title}.mp4', mode='wb') as f: for video_chunk in video.iter_content(1024*1024*2): f.write(video_chunk) video_pbar.set_description(f'正在下载{title}视频中......') video_pbar.update(1024*1024*2) video_pbar.set_description('下载完成!') video_pbar.close()
audio = requests.get(audio_url, stream=True) file_size = int(audio.headers.get('Content-Length')) audio_pbar = tqdm(total=file_size) with open(f'{title}.mp3', mode='wb') as f: for audio_chunk in audio.iter_content(1024*1024*2): f.write(audio_chunk) audio_pbar.set_description(f'正在下载{title}音频中......') audio_pbar.update(1024*1024*2) audio_pbar.set_description('下载完成!') audio_pbar.close()
def merge(title): ffmpeg = r'D:\Download\ffmpeg\bin\ffmpeg.exe -i ' + title + '.mp4 -i ' + title + '.mp3 -acodec copy -vcodec copy ' + title + '-out.mp4' os.popen(ffmpeg)
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