you-get是github上python的一个开源库(https://github.com/soimort/you-get)，使用you-get你只需要取得视频所在网页链接地址就可以很轻松的下载下来，目前you-get所支持的网站包含国内外几十个网站(youtube、twitter、腾讯、爱奇艺、优酷、bilibili等)，基本上可以满足你的需求。

1.you-get可以直接通过命令行使用

前提是你要先安装you-get：pip install you-get

下载命令：you-get  your-url

l例如：

you-get https://www.bilibili.com/bangumi/play/ep118488?from=search&seid=5050973611974373611

效果如下：(我直接在pycharm的终端命令行执行)

2.通过python 简单调用you-get库

# ！/usr/bin/env python

# -*-coding:utf-8-*-

"""

@Author : xiaofeng

@Time : 2018/12/25 10:26

@Desc : Less interests,More interest.

@Project : python_appliction

@FileName: you-get.py

@Software: PyCharm

@Blog ：https://blog.csdn.net/zwx19921215

"""

import sys

import you_get

def download(url, path):

sys.argv = ['you-get', '-o', path, url]

you_get.main()

if __name__ == '__main__':

# 视频网站的地址

url = 'https://www.bilibili.com/bangumi/play/ep118488?from=search&seid=5050973611974373611'

# 视频输出的位置

path = 'G:/test'

download(url, path)

3.python 简单集成 tkinter，通过GUI的形式展现(单线程，未做优化，后续做优化处理)

# ！/usr/bin/env python

# -*-coding:utf-8-*-

"""

@Author  : xiaofeng

@Time    : 2018/12/25 11:50

@Desc : Less interests,More interest.

@Project : python_appliction

@FileName: you-get2.py

@Software: PyCharm

@Blog    ：https://blog.csdn.net/zwx19921215

"""

import re

import sys

import tkinter as tk

import tkinter.messagebox as msgbox

import webbrowser

import you_get

"""

视频下载类

"""

class DownloadApp:

# construct

def __init__(self, width=800, height=200):

self.w = width

self.h = height

self.title = '视频下载助手'

self.root = tk.Tk(className=self.title)

self.url = tk.StringVar()

self.start = tk.IntVar()

self.end = tk.IntVar()

self.path = tk.StringVar()

self.path.set('D:/DownloadApp')

# define frame

frame_1 = tk.Frame(self.root)

frame_2 = tk.Frame(self.root)

frame_3 = tk.Frame(self.root)

frame_4 = tk.Frame(self.root)

# menu

menu = tk.Menu(self.root)

self.root.config(menu=menu)

menu1 = tk.Menu(menu, tearoff=0)

menu.add_cascade(label='Menu', menu=menu1)

menu1.add_command(label='about me', command=lambda: webbrowser.open('https://blog.csdn.net/zwx19921215'))

menu1.add_command(label='exit', command=lambda: self.root.quit())

# set frame_1

label1 = tk.Label(frame_1, text='请输入视频链接：')

entry_url = tk.Entry(frame_1, textvariable=self.url, highlightcolor='Fuchsia', highlightthickness=1, width=35)

# set frame_2

s_lable = tk.Label(frame_2, text='起始值：')

e_lable = tk.Label(frame_2, text='结束值：')

start = tk.Entry(frame_2, textvariable=self.start, highlightcolor='Fuchsia', highlightthickness=1, width=10)

end = tk.Entry(frame_2, textvariable=self.end, highlightcolor='Fuchsia', highlightthickness=1, width=10)

# set frame_3

label2 = tk.Label(frame_3, text='请输入视频输出地址：')

entry_path = tk.Entry(frame_3, textvariable=self.path, highlightcolor='Fuchsia', highlightthickness=1, width=35)

down = tk.Button(frame_3, text='下载', font=('楷体', 12), fg='green', width=3, height=-1,

command=self.video_download)

# set frame_4

label_desc = tk.Label(frame_4, fg='black', font=('楷体', 12),

text='\n注意：支持youtube、twitter、腾讯、爱奇艺、优酷、bilibili等大部分主流网站视频下载、图片下载！')

label_warning = tk.Label(frame_4, fg='blue', font=('楷体', 12), text='\nauthor:xiaofeng')

# layout

frame_1.pack()

frame_2.pack()

frame_3.pack()

frame_4.pack()

label1.grid(row=0, column=0)

entry_url.grid(row=0, column=1)

s_lable.grid(row=1, column=0)

start.grid(row=1, column=1)

e_lable.grid(row=1, column=2)

end.grid(row=1, column=3)

label2.grid(row=2, column=0)

entry_path.grid(row=2, column=1)

down.grid(row=2, column=2, ipadx=20)

label_desc.grid(row=3, column=0)

label_warning.grid(row=4, column=0)

"""

视频下载

"""

def video_download(self):

# 正则表达是判定是否为合法链接

url = self.url.get()

path = self.path.get()

if re.match(r'^https?:/{2}\w.+$', url):

if path != '':

msgbox.showwarning(title='警告', message='下载过程中窗口如果出现短暂卡顿说明文件正在下载中！')

try:

sys.argv = ['you-get', '-o', path, url]

you_get.main()

except Exception as e:

print(e)

msgbox.showerror(title='error', message=e)

msgbox.showinfo(title='info', message='下载完成！')

else:

msgbox.showerror(title='error', message='输出地址错误！')

else:

msgbox.showerror(title='error', message='视频地址错误！')

def center(self):

ws = self.root.winfo_screenwidth()

hs = self.root.winfo_screenheight()

x = int((ws / 2) - (self.w / 2))

y = int((hs / 2) - (self.h / 2))

self.root.geometry('{}x{}+{}+{}'.format(self.w, self.h, x, y))

def event(self):

self.root.resizable(False, False)

self.center()

self.root.mainloop()

if __name__ == '__main__':

app = DownloadApp()

app.event()

注：由于视频窗口是单线程，所以下载过程会一直卡顿(是正常的，因为处于下载中，下载完后会恢复)，后续将会优化

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