運行效果：

完整代碼：

# !/usr/bin/python# -*- coding:utf-8 -*-# time: 2019/07/02--08:12__author__ = ’Henry’’’’項目: B站視頻下載 - GUI版本版本1: 加密API版,不需要加入cookie,直接即可下載1080p視頻20190422 - 增加多P視頻單獨下載其中一集的功能20190702 - 增加視頻多線程下載 速度大幅提升20190711 - 增加GUI版本,可視化界面,操作更加友好’’’import requests, time, hashlib, urllib.request, re, jsonimport imageioimageio.plugins.ffmpeg.download()from moviepy.editor import *import os, sys, threadingfrom tkinter import *from tkinter import ttkfrom tkinter import StringVarroot=Tk()start_time = time.time()# 將輸出重定向到表格def print(theText): msgbox.insert(END,theText+’n’)# 訪問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# 下載視頻’’’ urllib.urlretrieve 的回調函數：def callbackfunc(blocknum, blocksize, totalsize): @blocknum: 已經下載的數據塊 @blocksize: 數據塊的大小 @totalsize: 遠程文件的大小’’’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 # 設置下載進度條 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 # 設置下載進度條 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’)# 字節bytes轉化KMGdef format_size(bytes): try: bytes = float(bytes) kb = bytes / 1024 except: print('傳入的字節格式不對') 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)# 下載視頻def down_video(video_list, title, start_url, page): num = 1 print(’[正在下載P{}段視頻,請稍等...]:’.format(page) + title) currentVideoPath = os.path.join(sys.path[0], ’bilibili_video’, title) # 當前目錄作為下載目錄 for i in video_list: opener = urllib.request.build_opener() # 請求頭 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 的值要為 bytes=0- 才能下載完整視頻 (’Referer’, start_url), # 注意修改referer,必須要加的! (’Origin’, ’https://www.bilibili.com’), (’Connection’, ’keep-alive’), ] urllib.request.install_opener(opener) # 創建文件夾存放下載的視頻 if not os.path.exists(currentVideoPath): os.makedirs(currentVideoPath) # 開始下載 if len(video_list) > 1: urllib.request.urlretrieve(url=i, filename=os.path.join(currentVideoPath, r’{}-{}.flv’.format(title, num)),reporthook=Schedule_cmd) # 寫成mp4也行 title + ’-’ + num + ’.flv’ else: urllib.request.urlretrieve(url=i, filename=os.path.join(currentVideoPath, r’{}.flv’.format(title)),reporthook=Schedule_cmd) # 寫成mp4也行 title + ’-’ + num + ’.flv’ num += 1# 合并視頻(20190802新版)def combine_video(title_list): video_path = os.path.join(sys.path[0], ’bilibili_video’) # 下載目錄 for title in title_list: current_video_path = os.path.join(video_path ,title) if len(os.listdir(current_video_path)) >= 2: # 視頻大于一段才要合并 print(’[下載完成,正在合并視頻...]:’ + title) # 定義一個數組 L = [] # 遍歷所有文件 for file in sorted(os.listdir(current_video_path), key=lambda x: int(x[x.rindex('-') + 1:x.rindex('.')])):# 如果后綴名為 .mp4/.flvif os.path.splitext(file)[1] == ’.flv’: # 拼接成完整路徑 filePath = os.path.join(current_video_path, file) # 載入視頻 video = VideoFileClip(filePath) # 添加到數組 L.append(video) # 拼接視頻 final_clip = concatenate_videoclips(L) # 生成目標視頻文件 final_clip.to_videofile(os.path.join(current_video_path, r’{}.mp4’.format(title)), fps=24, remove_temp=False) print(’[視頻合并完成]’ + title) else: # 視頻只有一段則直接打印下載完成 print(’[視頻合并完成]:’ + title)def do_prepare(inputStart,inputQuality): # 清空進度條 download.coords(fill_line1,(0,0,0,23)) pct.set(’0.00%’) root.update() # 清空文本欄 msgbox.delete(’1.0’,’end’) start_time = time.time() # 用戶輸入av號或者視頻鏈接地址 print(’*’ * 30 + ’B站視頻下載小助手’ + ’*’ * 30) start = inputStart if start.isdigit() == True: # 如果輸入的是av號 # 獲取cid的api, 傳入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) # 視頻質量 # <accept_format><![CDATA[flv,flv720,flv480,flv360]]></accept_format> # <accept_description><![CDATA[高清 1080P,高清 720P,清晰 480P,流暢 360P]]></accept_description> # <accept_quality><![CDATA[80,64,32,16]]></accept_quality> quality = inputQuality # 獲取視頻的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: # 單獨下載分P視頻中的一集 p = re.search(r’?p=(d+)’,start).group(1) cid_list.append(data[’pages’][int(p) - 1]) else: # 如果p不存在就是全集下載 cid_list = data[’pages’] # print(cid_list) # 創建線程池 threadpool = [] title_list = [] for item in cid_list: cid = str(item[’cid’]) title = item[’part’] title = re.sub(r’[/:*?'<>|]’, ’’, title) # 替換為空的 print(’[下載視頻的cid]:’ + cid) print(’[下載視頻的標題]:’ + 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) # 定義線程 th = threading.Thread(target=down_video, args=(video_list, title, start_url, page)) # 將線程加入線程池 threadpool.append(th) # 開始線程 for th in threadpool: th.start() # 等待所有線程運行完畢 for th in threadpool: th.join() # 最后合并視頻 combine_video(title_list) end_time = time.time() # 結束時間 print(’下載總耗時%.2f秒,約%.2f分鐘’ % (end_time - start_time, int(end_time - start_time) / 60)) # 如果是windows系統，下載完成后打開下載目錄 currentVideoPath = os.path.join(sys.path[0], ’bilibili_video’) # 當前目錄作為下載目錄 if (sys.platform.startswith(’win’)): os.startfile(currentVideoPath)def thread_it(func, *args): ’’’將函數打包進線程’’’ # 創建 t = threading.Thread(target=func, args=args) # 守護 !!! t.setDaemon(True) # 啟動 t.start()if __name__ == '__main__': # 設置標題 root.title(’B站視頻下載小助手-GUI’) # 設置ico root.iconbitmap(’./Pic/favicon.ico’) # 設置Logo photo = PhotoImage(file=’./Pic/logo.png’) logo = Label(root,image=photo) logo.pack() # 各項輸入欄和選擇框 inputStart = Entry(root,bd=4,width=600) labelStart=Label(root,text='請輸入您要下載的B站av號或者視頻鏈接地址:') # 地址輸入 labelStart.pack(anchor='w') inputStart.pack() labelQual = Label(root,text='請選擇您要下載視頻的清晰度') # 清晰度選擇 labelQual.pack(anchor='w') inputQual = ttk.Combobox(root,state='readonly') # 可供選擇的表 inputQual[’value’]=(’1080P’,’720p’,’480p’,’360p’) # 對應的轉換字典 keyTrans=dict() keyTrans[’1080P’]=’80’ keyTrans[’720p’]=’64’ keyTrans[’480p’]=’32’ keyTrans[’360p’]=’16’ # 初始值為720p inputQual.current(1) inputQual.pack() confirm = Button(root,text='開始下載',command=lambda:thread_it(do_prepare,inputStart.get(), keyTrans[inputQual.get()] )) msgbox = Text(root) msgbox.insert(’1.0’,'對于單P視頻:直接傳入B站av號或者視頻鏈接地址n(eg: 49842011或者https://www.bilibili.com/video/av49842011)n對于多P視頻:n1.下載全集:直接傳入B站av號或者視頻鏈接地址n(eg: 49842011或者https://www.bilibili.com/video/av49842011)n2.下載其中一集:傳入那一集的視頻鏈接地址n(eg: https://www.bilibili.com/video/av19516333/?p=2)') msgbox.pack() download=Canvas(root,width=465,height=23,bg='white') # 進度條的設置 labelDownload=Label(root,text='下載進度') 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主循環 root.mainloop()

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