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bilibili_video_download_v3.py
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bilibili_video_download_v3.py
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# !/usr/bin/python
# -*- coding:utf-8 -*-
# time: 2019/07/02--08:12
__author__ = 'Henry'
'''
项目: B站视频下载 - 多线程下载
版本1: 加密API版,不需要加入cookie,直接即可下载1080p视频
20190422 - 增加多P视频单独下载其中一集的功能
20190702 - 增加视频多线程下载 速度大幅提升
'''
import requests, time, hashlib, urllib.request, re, json
from moviepy.editor import *
import os, sys, threading
import imageio
imageio.plugins.ffmpeg.download()
# 访问API地址
def get_play_list(start_url, cid, quality):
entropy = 'rbMCKn@KuamXWlPMoJGsKcbiJKUfkPF_8dABscJntvqhRSETg'
appkey, sec = ''.join([chr(ord(i) + 2) for i in entropy[::-1]]).split(':')
params = 'appkey=%s&cid=%s&otype=json&qn=%s&quality=%s&type=' % (appkey, cid, quality, quality)
chksum = hashlib.md5(bytes(params + sec, 'utf8')).hexdigest()
url_api = 'https://interface.bilibili.com/v2/playurl?%s&sign=%s' % (params, chksum)
headers = {
'Referer': start_url, # 注意加上referer
'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36'
}
# print(url_api)
html = requests.get(url_api, headers=headers).json()
# print(json.dumps(html))
video_list = []
for i in html['durl']:
video_list.append(i['url'])
# print(video_list)
return video_list
# 下载视频
'''
urllib.urlretrieve 的回调函数：
def callbackfunc(blocknum, blocksize, totalsize):
@blocknum: 已经下载的数据块
@blocksize: 数据块的大小
@totalsize: 远程文件的大小
'''
def Schedule_cmd(blocknum, blocksize, totalsize):
speed = (blocknum * blocksize) / (time.time() - start_time)
# speed_str = " Speed: %.2f" % speed
speed_str = " Speed: %s" % format_size(speed)
recv_size = blocknum * blocksize
# 设置下载进度条
f = sys.stdout
pervent = recv_size / totalsize
percent_str = "%.2f%%" % (pervent * 100)
n = round(pervent * 50)
s = ('#' * n).ljust(50, '-')
f.write(percent_str.ljust(8, ' ') + '[' + s + ']' + speed_str)
f.flush()
# time.sleep(0.1)
f.write('\r')
def Schedule(blocknum, blocksize, totalsize):
speed = (blocknum * blocksize) / (time.time() - start_time)
# speed_str = " Speed: %.2f" % speed
speed_str = " Speed: %s" % format_size(speed)
recv_size = blocknum * blocksize
# 设置下载进度条
f = sys.stdout
pervent = recv_size / totalsize
percent_str = "%.2f%%" % (pervent * 100)
n = round(pervent * 50)
s = ('#' * n).ljust(50, '-')
print(percent_str.ljust(6, ' ') + '-' + speed_str)
f.flush()
time.sleep(2)
# print('\r')
# 字节bytes转化K\M\G
def format_size(bytes):
try:
bytes = float(bytes)
kb = bytes / 1024
except:
print("传入的字节格式不对")
return "Error"
if kb >= 1024:
M = kb / 1024
if M >= 1024:
G = M / 1024
return "%.3fG" % (G)
else:
return "%.3fM" % (M)
else:
return "%.3fK" % (kb)
# 下载视频
def down_video(video_list, title, start_url, page):
num = 1
print('[正在下载P{}段视频,请稍等...]:'.format(page) + title)
currentVideoPath = os.path.join(sys.path[0], 'bilibili_video', title) # 当前目录作为下载目录
if not os.path.exists(currentVideoPath):
os.makedirs(currentVideoPath)
for i in video_list:
opener = urllib.request.build_opener()
# 请求头
opener.addheaders = [
# ('Host', 'upos-hz-mirrorks3.acgvideo.com'), #注意修改host,不用也行
('User-Agent', 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:56.0) Gecko/20100101 Firefox/56.0'),
('Accept', '*/*'),
('Accept-Language', 'en-US,en;q=0.5'),
('Accept-Encoding', 'gzip, deflate, br'),
('Range', 'bytes=0-'), # Range 的值要为 bytes=0- 才能下载完整视频
('Referer', start_url), # 注意修改referer,必须要加的!
('Origin', 'https://www.bilibili.com'),
('Connection', 'keep-alive'),
]
urllib.request.install_opener(opener)
# 创建文件夹存放下载的视频
if not os.path.exists(currentVideoPath):
os.makedirs(currentVideoPath)
# 开始下载
if len(video_list) > 1:
urllib.request.urlretrieve(url=i, filename=os.path.join(currentVideoPath, r'{}-{}.flv'.format(title, num)),reporthook=Schedule_cmd) # 写成mp4也行 title + '-' + num + '.flv'
else:
urllib.request.urlretrieve(url=i, filename=os.path.join(currentVideoPath, r'{}.flv'.format(title)),reporthook=Schedule_cmd) # 写成mp4也行 title + '-' + num + '.flv'
num += 1
# 合并视频(20190802新版)
def combine_video(title_list):
video_path = os.path.join(sys.path[0], 'bilibili_video') # 下载目录
for title in title_list:
current_video_path = os.path.join(video_path ,title)
if len(os.listdir(current_video_path)) >= 2:
# 视频大于一段才要合并
print('[下载完成,正在合并视频...]:' + title)
# 定义一个数组
L = []
# 遍历所有文件
for file in sorted(os.listdir(current_video_path), key=lambda x: int(x[x.rindex("-") + 1:x.rindex(".")])):
# 如果后缀名为 .mp4/.flv
if os.path.splitext(file)[1] == '.flv':
# 拼接成完整路径
filePath = os.path.join(current_video_path, file)
# 载入视频
video = VideoFileClip(filePath)
# 添加到数组
L.append(video)
# 拼接视频
final_clip = concatenate_videoclips(L)
# 生成目标视频文件
final_clip.to_videofile(os.path.join(current_video_path, r'{}.mp4'.format(title)), fps=24, remove_temp=False)
print('[视频合并完成]' + title)
else:
# 视频只有一段则直接打印下载完成
print('[视频合并完成]:' + title)
if __name__ == '__main__':
start_time = time.time()
# 用户输入av号或者视频链接地址
print('*' * 30 + 'B站视频下载小助手' + '*' * 30)
start = input('请输入您要下载的B站av号或者视频链接地址:')
if start.isdigit() == True: # 如果输入的是av号
# 获取cid的api, 传入aid即可
start_url = 'https://api.bilibili.com/x/web-interface/view?aid=' + start
else:
# https://www.bilibili.com/video/av46958874/?spm_id_from=333.334.b_63686965665f7265636f6d6d656e64.16
start_url = 'https://api.bilibili.com/x/web-interface/view?aid=' + re.search(r'/av(\d+)/*', start).group(1)
# 视频质量
# <accept_format><![CDATA[flv,flv720,flv480,flv360]]></accept_format>
# <accept_description><![CDATA[高清 1080P,高清 720P,清晰 480P,流畅 360P]]></accept_description>
# <accept_quality><![CDATA[80,64,32,16]]></accept_quality>
quality = input('请输入您要下载视频的清晰度(1080p:80;720p:64;480p:32;360p:16)(填写80或64或32或16):')
# 获取视频的cid,title
headers = {
'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36'
}
html = requests.get(start_url, headers=headers).json()
data = html['data']
cid_list = []
if '?p=' in start:
# 单独下载分P视频中的一集
p = re.search(r'\?p=(\d+)',start).group(1)
cid_list.append(data['pages'][int(p) - 1])
else:
# 如果p不存在就是全集下载
cid_list = data['pages']
# print(cid_list)
# 创建线程池
threadpool = []
title_list = []
for item in cid_list:
cid = str(item['cid'])
title = item['part']
title = re.sub(r'[\/\\:*?"<>|]', '', title) # 替换为空的
print('[下载视频的cid]:' + cid)
print('[下载视频的标题]:' + title)
title_list.append(title)
page = str(item['page'])
start_url = start_url + "/?p=" + page
video_list = get_play_list(start_url, cid, quality)
start_time = time.time()
# down_video(video_list, title, start_url, page)
# 定义线程
th = threading.Thread(target=down_video, args=(video_list, title, start_url, page))
# 将线程加入线程池
threadpool.append(th)
# 开始线程
for th in threadpool:
th.start()
# 等待所有线程运行完毕
for th in threadpool:
th.join()
# 最后合并视频
print(title_list)
combine_video(title_list)
end_time = time.time() # 结束时间
print('下载总耗时%.2f秒,约%.2f分钟' % (end_time - start_time, int(end_time - start_time) / 60))
# 如果是windows系统，下载完成后打开下载目录
currentVideoPath = os.path.join(sys.path[0], 'bilibili_video') # 当前目录作为下载目录
if (sys.platform.startswith('win')):
os.startfile(currentVideoPath)
# 分P视频下载测试: https://www.bilibili.com/video/av19516333/
# 下载总耗时14.21秒,约0.23分钟