YouTube视频下载器

问题描述

from tkinter import *
from tkinter import ttk
from tkinter import filedialog
from pytube import YouTube
FolderName = ''
fileSizeInBytes = 0
MaxFileSize = 0


def openDirectory():
    global FolderName
    FolderName = filedialog.askdirectory()
    if (len(FolderName)> 1):
        fileLocationLabelError.config(text=FolderName,fg='green')
    else:
        fileLocationLabelError.config(text='Please Choose Folder',fg='red')



def DownloadFile():
    global MaxFileSize,fileSizeInBytes


    choice = youtubeChoices.get()
    video = youtubeEntry.get()


    if (len(video)>1):
        youtubeEntryError.config(text='')
        print(video,'at',FolderName)
        yt = YouTube(video,on_progress_callback=progress)
        print('video name is:\n\n',yt.title)

        if (choice == downloadChoices[0]):
            print('1080p video is downloading...')
            loadingLabel.config(text='1080p video file downloading...')
            selectVideo =yt.streams.filter(progressive=True).first()

        elif (choice == downloadChoices[1]):
            print('720p video is downloading...')
            loadingLabel.config(text='720p video file downloading...')
            selectVideo =yt.streams.filter(progressive=True).first()

        elif (choice == downloadChoices[2]):
            print('480p video is downloading...')
            loadingLabel.config(text='480p video file downloading...')
            selectVideo = yt.streams.filter(progressive=True,file_extension='mp4').last
        elif (choice == downloadChoices[3]):
            print('3gp file is downloading...')
            selectVideo = yt.streams.filter(file_extension='3gp').first()

        elif (choice == downloadChoices[4]):
            print('Audio file is downloading...')
            selectVideo = yt.streams.filter(only_audio=True).first()

        fileSizeInBytes = selectVideo.filesize
        MaxFileSize = fileSizeInBytes / 1024000
        MB = str(MaxFileSize) + 'MB'
        print('File size = : {:00.00f}'.format(MaxFileSize))
        #download
        selectVideo.download(FolderName)
        print('Downloaded on : {}'.format(FolderName))
        complete()
    else:
        youtubeEntryError.config(text='Please paste youtube link',fg='red')

def progress(stream= None,chunk=None,file_handle = None,remaining=None):
    percent = (100 * (fileSizeInBytes - remaining)) / fileSizeInBytes
    print('{00.0f}% downloaded'.format(percent))

def complete():
    loadingLabel.config(text='Download completed')




root = Tk()
root.title('YouTube video Downloader')
root.grid_columnconfigure(0,weight=1)
youtubeLinkLabel = Label(root,text='Please paste youtube link here..',fg='blue',font=('Agency FB',30))
youtubeLinkLabel.grid()
youtubeEntryvar = StringVar()
youtubeEntry = Entry(root,width=50,textvariable=youtubeEntryvar)
youtubeEntry.grid(pady=(0,20))
youtubeEntryError = Label(root,fg='red',text='',20))
youtubeEntryError.grid(pady=(0,10))
SaveLabel = Label(root,text='Where to download file?',20,'bold'))
SaveLabel.grid()
SaveEntry = Button(root,width=20,bg='green',fg='white',text='Choose folder',font=('Arial',15),command=openDirectory)
SaveEntry.grid()
fileLocationLabelError = Label(root,20))
fileLocationLabelError.grid(pady=(0,0))
youtubeChooseLabel = Label(root,text='Please choose what to download:',20))
youtubeChooseLabel.grid()
downloadChoices = ['Mp4 1080p','Mp4 720p','Mp4 480p','Video 3gp','song mp3']
youtubeChoices = ttk.ComboBox(root,values=downloadChoices)
youtubeChoices.grid()
downloadButton = Button(root,text='Download',width=15,command=DownloadFile)
downloadButton.grid()


loadingLabel = ttk.Label(root,text='App developed by |> CID',20))
loadingLabel.grid()
root.mainloop()

我这里有一个错误

我应该在变量中添加一些标记

如果您看到此问题，可以对它进行基本解释

因为我的英语不好

谢谢

出现类型错误

我是Tkinter的新手

我再次检查了代码，但我认为没有问题

感谢所有StackOverflow社区

下面是错误

 Video downloader app । using Python and Pytube
1080p video is downloading...
File size = : 97
Exception in Tkinter callback
Traceback (most recent call last):
  File "C:\Users\Toshiba\AppData\Local\Programs\Python\python37\lib\tkinter\__init__.py",line 1705,in __call__
    return self.func(*args)
  File "C:/Users/Toshiba/Desktop/python_temelleri/youtube video downloader.py",line 64,in DownloadFile
    selectVideo.download(FolderName)
  File "C:\Users\Toshiba\Desktop\python_temelleri\venv\lib\site-packages\pytube\streams.py",line 241,in download
    self.on_progress(chunk,fh,bytes_remaining)
  File "C:\Users\Toshiba\Desktop\python_temelleri\venv\lib\site-packages\pytube\streams.py",line 302,in on_progress
    self._monostate.on_progress(self,chunk,bytes_remaining)
  File "C:/Users/Toshiba/Desktop/python_temelleri/youtube video downloader.py",line 72,in progress
    percent = (100 * (fileSizeInBytes - remaining)) / fileSizeInBytes
TypeError: unsupported operand type(s) for -: 'int' and 'nonetype'

解决方法

传递给remaining方法的progress参数是None。