批量下载B站视频
import jsonimport os
import re
import requests
from lxml import etree
headers = {
'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36',
'referer': 'https://www.bilibili.com/'
}
def downloadVideoAudio(file_name,url):
# 获取页面源码
page_source = requests.get(url, headers=headers).text
html = etree.HTML(page_source)
# 解析出标题
title = html.xpath('//*[@id="viewbox_report"]/h1/text()')
# 使用正则表达式匹配出视频数据JSON，并解析出视频地址和声音地址
json_text = re.findall('window.__playinfo__=(.*?)</script>', page_source)
data = json.loads(json_text)
video_url = data['data']['dash']['video']['baseUrl']
audio_url = data['data']['dash']['audio']['baseUrl']
# 下载视频和声音
if not os.path.exists(f'./videos/{dir_name}/'):
os.makedirs(f'./videos/{dir_name}/')
print(f"正在下载视频{file_name}")
content = requests.get(video_url, headers=headers).content
video_file=f"./videos/{file_name}.mp4"
with open(video_file, "wb") as f:
f.write(content)
print(f"正在下载音频{file_name}")
content = requests.get(audio_url, headers=headers).content
audio_file=f"./videos/{file_name}.mp3"
with open(audio_file, "wb") as f:
f.write(content)
out_video_file=f"./videos/{dir_name}/{file_name}.mp4"
mergeVideoAndAudio(video_file,audio_file,out_video_file)
#删除下载的音频和视频文件
os.remove(video_file)
os.remove(audio_file)
def mergeVideoAndAudio(video,audio,out_video):
print(f"ffmpeg -i {video} -i {audio} {out_video}")
os.system(f'ffmpeg -i "{video}" -i "{audio}" "{out_video}"')
dir_name="高斯数学动画"
url="https://www.bilibili.com/video/BV15y4y1Z7nn"
page_source = requests.get(url, headers=headers).text
json_text = re.findall('window.__INITIAL_STATE__=(.*?);\(function\(\)', page_source)
pages=json.loads(json_text)["videoData"]["pages"]
for i in range(1,len(pages)):
file_name = pages['part']
downloadVideoAudio(file_name,f"{url}?p={i}")
本帖最后由 nbwww 于 2024-3-30 19:20 编辑
学习了 可以下载了{:1_919:} 怎么使用啊》？ 感觉爬虫要学的还是挺多的
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