python批量下载b站_python 批量下载bilibili视频的gui程序

运行效果：

完整代码：

# !/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

#

#

#

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()

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