B视频下载（测可用）
import re
import requests
import json
from contextlib import closing
print("""
/*********************/
支持分集下载 支持的链接格式如下
https://b23.tv/*
https://www.bilibili.com/video/BV*
https://www.bilibili.com/video/av*
项目地址：https://github.com/5ime/bilidown
/*********************/
""")
cookies = input('''请粘贴你的哔哩哔哩cookiesn''')
cookie = {
'Cookie': cookies
}
header = {
'User-Agent': 'Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/604.1.38 (KHTML, like Gecko) Version/11.0 Mobile/15A372 Safari/604.1',
'Referer': 'https://www.bilibili.com'
}
s = requests.session()
my_info = json.loads(s.get('http://api.bilibili.com/x/space/myinfo',cookies=cookie).text)
print("n欢迎你！"+my_info['data']['name'])
url = input("""n请粘贴哔哩哔哩视频链接n""")
if 'https://b23.tv' in url:
loc = s.get(url,allow_redirects=False)
url = loc.headers['location']
if 'video/av' in url:
av = json.loads(s.get('https://api.bilibili.com/x/web-interface/archive/stat?aid='+url,headers=header,cookies=cookie).text)
url = av['data']['bvid']
video_id = re.findall("[w.]*[w:-+%]",url)[3]
vid = json.loads(s.get('https://api.bilibili.com/x/web-interface/view?bvid='+video_id,headers=header,cookies=cookie).text)
video = vid['data']['pages'][0]['cid']
page = 0
if vid['data']['videos'] > 1:
page = int(input("这是一个多P视频,共%d集,请输入要下载第几集(例如：1)并回车："%vid['data']['videos']))
page -= 1
video = vid['data']['pages'][page]['cid']
video_info = json.loads(s.get('https://api.bilibili.com/x/player/playurl?bvid='+video_id+'&cid='+str(video)+'&qn=80&otype=json',headers=header,cookies=cookie).text)
video_name = vid['data']['title']
video_url = video_info['data']['durl'][0]['url']
print("n视频标题：%sn下载链接：%s"%(video_name,video_url))
print("""
正在自动下载视频中，切勿关闭窗口
如下载失败请自行复制下载链接下载(需设置Referer)
""")
def Download(video_url,video_name,header):
with closing(s.get(video_url,headers=header,stream=True)) as response:
chunk_size = 1024 # 单次请求最大值
content_size = int(response.headers['content-length']) # 内容体总大小
data_count = 0
with open(video_name+'.flv','wb') as file:
for data in response.iter_content(chunk_size=chunk_size):
file.write(data)
data_count = data_count + len(data)
now_jd = (data_count / content_size) * 100
print("r视频下载进度：%d%%(%d/%d)" % (now_jd, data_count, content_size), end=" ")
input('nn下载成功！下载的视频位于本程序同级目录中,按回车退出程序...')
Download(video_url,video_name,header)
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