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