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    python b站视频下载的五种版本

    作者:Henryhaohao 时间:2021-08-13 18:33

    目录
    • 项目地址:
    • 介绍
    • 版本一: bilibili_video_download_v1.py
    • 版本二:bilibili_video_download_v2.py
    • 版本三: bilibili_video_download_v3.py
    • 版本四: GUI版本 - bilibili_video_download-GUI.py
    • 版本五: bilibili_video_download_bangumi.py

    项目地址:

    https://github.com/Henryhaohao/Bilibili_video_download

    介绍

    • 对于单P视频:直接传入B站av号或者视频链接地址(eg: 49842011或者https://www.bilibili.com/video/av49842011)
    • 对于多P视频:

    1.下载全集:直接传入B站av号或者视频链接地址(eg: 49842011或者https://www.bilibili.com/video/av49842011)
    2.下载其中一集:传入那一集的视频链接地址(eg: https://www.bilibili.com/video/av19516333/?p=2)

    版本一: bilibili_video_download_v1.py

    加密API版,不需要加入cookie,直接即可下载1080p视频

    # !/usr/bin/python
    # -*- coding:utf-8 -*-
    # time: 2019/04/17--08:12
    __author__ = 'Henry'
    
    
    '''
    项目: B站视频下载
    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
    '''
    import imageio
    imageio.plugins.ffmpeg.download()
    
    import requests, time, hashlib, urllib.request, re, json
    from moviepy.editor import *
    import os, sys
    
    
    # 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
        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
    def combine_video(video_list, 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)
        if len(video_list) >= 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 = []
            # 访问 video 文件夹 (假设视频都放在这里面)
            root_dir = currentVideoPath
            # 遍历所有文件
            for file in sorted(os.listdir(root_dir), 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(root_dir, 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(root_dir, 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__':
        # 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']
        video_title=data["title"].replace(" ","_")
        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)
        for item in cid_list:
            cid = str(item['cid'])
            title = item['part']
            if not title:
                title = video_title
            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)
            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)
            combine_video(video_list, title)
    
        # 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/

    版本二:bilibili_video_download_v2.py

    1.无加密API版,但是需要加入登录后cookie中的SESSDATA字段,才可下载720p及以上视频
    2.如果想下载1080p+视频,需要带入B站大会员的cookie中的SESSDATA才行,普通用户的SESSDATA最多只能下载1080p视频;请定期更换代码31行cookie中的SESSDATA值。跟换方法为:浏览器登录B站,在开发者模式(按F12) --> application --> cookie中找到SESSDATA值替换即可,一个月的有效期

    # !/usr/bin/python
    # -*- coding:utf-8 -*-
    # time: 2019/04/16--17:12
    __author__ = 'Henry'
    
    
    '''
    项目: B站视频下载
    版本2: 无加密API版,但是需要加入登录后cookie中的SESSDATA字段,才可下载720p及以上视频
    API:
    1.获取cid的api为 https://api.bilibili.com/x/web-interface/view?aid=47476691 aid后面为av号
    2.下载链接api为 https://api.bilibili.com/x/player/playurl?avid=44743619&cid=78328965&qn=32 cid为上面获取到的 avid为输入的av号 qn为视频质量
    注意:
    但是此接口headers需要加上登录后'Cookie': 'SESSDATA=3c5d20cf%2C1556704080%2C7dcd8c41' (30天的有效期)(因为现在只有登录后才能看到720P以上视频了)
    不然下载之后都是最低清晰度,哪怕选择了80也是只有480p的分辨率!!
    20190422 - 增加多P视频单独下载其中一集的功能
    '''
    
    import requests, time, urllib.request, re
    from moviepy.editor import *
    import os, sys
    
    import imageio
    imageio.plugins.ffmpeg.download()
    
    # 访问API地址
    def get_play_list(aid, cid, quality):
        url_api = 'https://api.bilibili.com/x/player/playurl?cid={}&avid={}&qn={}'.format(cid, aid, quality)
        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',
            'Cookie': 'SESSDATA=aa15d6af%2C1560734457%2Ccc8ca251', # 登录B站后复制一下cookie中的SESSDATA字段,有效期1个月
            'Host': 'api.bilibili.com'
        }
        html = requests.get(url_api, headers=headers).json()
        video_list = []
        for i in html['data']['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
        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
    def combine_video(video_list, title):
        currentVideoPath = os.path.join(sys.path[0], 'bilibili_video', title)  # 当前目录作为下载目录
        if len(video_list) >= 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 = []
            # 访问 video 文件夹 (假设视频都放在这里面)
            root_dir = currentVideoPath
            # 遍历所有文件
            for file in sorted(os.listdir(root_dir), 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(root_dir, 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(root_dir, 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__':
        # 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
            aid = start
            start_url = 'https://api.bilibili.com/x/web-interface/view?aid=' + aid
        else:
            # 如果输入的是url (eg: https://www.bilibili.com/video/av46958874/)
            aid = re.search(r'/av(\d+)/*', start).group(1)
            start_url = 'https://api.bilibili.com/x/web-interface/view?aid=' + aid
        # qn参数就是视频清晰度
        # 可选值:
        # 116: 高清1080P60 (需要带入大会员的cookie中的SESSDATA才行,普通用户的SESSDATA最多只能下载1080p的视频)
        # 112: 高清1080P+ (hdflv2) (需要大会员)
        # 80: 高清1080P (flv)
        # 74: 高清720P60 (需要大会员)
        # 64: 高清720P (flv720)
        # 32: 清晰480P (flv480)
        # 16: 流畅360P (flv360)
        print('请输入您要下载视频的清晰度(1080p60:116;1080p+:112;1080p:80;720p60:74;720p:64;480p:32;360p:16; **注意:1080p+,1080p60,720p60,720p都需要带入大会员的cookie中的SESSDATA才行,普通用户的SESSDATA最多只能下载1080p的视频):')
        quality = input('请填写116或112或80或74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)
        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)
            page = str(item['page'])
            start_url = start_url + "/?p=" + page
            video_list = get_play_list(aid, cid, quality)
            start_time = time.time()
            down_video(video_list, title, start_url, page)
            combine_video(video_list, title)
    
        # 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/

    版本三: bilibili_video_download_v3.py

    即版本二的升级版,为Threading多线程下载版本,下载速度大幅提升!

    # !/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

    版本四: GUI版本 - bilibili_video_download-GUI.py

    # !/usr/bin/python
    # -*- coding:utf-8 -*-
    # time: 2019/07/02--08:12
    __author__ = 'Henry'
    
    
    '''
    项目: B站视频下载 - GUI版本
    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
    20190711 - 增加GUI版本,可视化界面,操作更加友好
    '''
    
    import requests, time, hashlib, urllib.request, re, json
    import imageio
    imageio.plugins.ffmpeg.download()
    from moviepy.editor import *
    import os, sys, threading
    
    
    
    from tkinter import *
    from tkinter import ttk
    from tkinter import StringVar
    root=Tk()
    start_time = time.time()
    
    # 将输出重定向到表格
    def print(theText):
        msgbox.insert(END,theText+'\n')
    
    
    # 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
        pervent = recv_size / totalsize
        percent_str = "%.2f%%" % (pervent * 100)
        download.coords(fill_line1,(0,0,pervent*465,23))
        root.update()
        pct.set(percent_str)
    
    
    
    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
        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)
    
    def do_prepare(inputStart,inputQuality):
        # 清空进度条
        download.coords(fill_line1,(0,0,0,23))
        pct.set('0.00%')
        root.update()
        # 清空文本栏
        msgbox.delete('1.0','end')
        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 = inputStart
        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 = inputQuality
        # 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
        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)
    
    
    
    def thread_it(func, *args):
        '''将函数打包进线程'''
        # 创建
        t = threading.Thread(target=func, args=args) 
        # 守护 !!!
        t.setDaemon(True) 
        # 启动
        t.start()
    
    
    if __name__ == "__main__":
        # 设置标题
        root.title('B站视频下载小助手-GUI')
        # 设置ico
        root.iconbitmap('./Pic/favicon.ico')
        # 设置Logo
        photo = PhotoImage(file='./Pic/logo.png')
        logo = Label(root,image=photo)
        logo.pack()
        # 各项输入栏和选择框
        inputStart = Entry(root,bd=4,width=600)
        labelStart=Label(root,text="请输入您要下载的B站av号或者视频链接地址:") # 地址输入
        labelStart.pack(anchor="w")
        inputStart.pack()
        labelQual = Label(root,text="请选择您要下载视频的清晰度") # 清晰度选择
        labelQual.pack(anchor="w")
        inputQual = ttk.Combobox(root,state="readonly")
        # 可供选择的表
        inputQual['value']=('1080P','720p','480p','360p')
        # 对应的转换字典
        keyTrans=dict()
        keyTrans['1080P']='80'
        keyTrans['720p']='64'
        keyTrans['480p']='32'
        keyTrans['360p']='16'
        # 初始值为720p
        inputQual.current(1)
        inputQual.pack()
        confirm = Button(root,text="开始下载",command=lambda:thread_it(do_prepare,inputStart.get(), keyTrans[inputQual.get()] ))
        msgbox = Text(root)
        msgbox.insert('1.0',"对于单P视频:直接传入B站av号或者视频链接地址\n(eg: 49842011或者https://www.bilibili.com/video/av49842011)\n对于多P视频:\n1.下载全集:直接传入B站av号或者视频链接地址\n(eg: 49842011或者https://www.bilibili.com/video/av49842011)\n2.下载其中一集:传入那一集的视频链接地址\n(eg: https://www.bilibili.com/video/av19516333/?p=2)")
        msgbox.pack()
        download=Canvas(root,width=465,height=23,bg="white")
        # 进度条的设置
        labelDownload=Label(root,text="下载进度")
        labelDownload.pack(anchor="w")
        download.pack()
        fill_line1 = download.create_rectangle(0, 0, 0, 23, width=0, fill="green")
        pct=StringVar()
        pct.set('0.0%')
        pctLabel = Label(root,textvariable=pct)
        pctLabel.pack()
        root.geometry("600x800")
        confirm.pack()
        # GUI主循环
        root.mainloop()