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python - 对象没有属性“视频”

问题描述

我正在学习 PYQT5，所以这是我的第一次尝试。为了学习 PYQT5，我开始用 pyqt5 和 pytube 制作一个 youtube 视频下载器，但我无法处理进度条部分（播放列表）。当我运行代码时，它给出了AttributeError: 'mywindow' object has no attribute 'video'

你能给我建议吗？

from PyQt5 import QtWidgets

from pytube import YouTube, Playlist

from mydesign import Ui_MainWindow  # importing our generated file

import sys

class mywindow(QtWidgets.QMainWindow):

    def __init__(self):

        super(mywindow, self).__init__()

        self.ui = Ui_MainWindow()

        self.ui.setupUi(self)
        self.ui.action_IKI.setShortcut("Ctrl+Q")
        self.ui.pushButton.clicked.connect(self.click)
        self.ui.action_IKI.triggered.connect(self.quit)


    def quit(self):
        QtWidgets.QApplication.quit()



    def click(self):
        self.completed = 0
        if self.ui.comboBox.currentIndex() == 0:
            while self.completed < 100:
                self.completed += 0.0001
                self.ui.progressBar_2.setValue(self.completed)
        elif self.ui.comboBox.currentIndex() == 1:
            link = self.ui.lineEdit.text()
            yt = YouTube(link, on_progress_callback=self.progress_func)
            video = yt.streams.filter(progressive=True, file_extension='mp4').first()
            video.download()


        elif self.ui.comboBox.currentIndex() == 2:
            pass

        elif self.ui.comboBox.currentIndex() == 3:
            pl = Playlist(self.ui.lineEdit.text())
            pl.populate_video_urls()
            for i in pl.video_urls:
                yt = YouTube(i, on_progress_callback=self.progress_func)
                video = yt.streams.filter(progressive=True, file_extension="mp4").first()
                video.download()

    def progress_func(self, stream, chunk, file_handle, bytes_remaining):
        size = self.video.filesize
        self.progress = (float(abs(bytes_remaining-size)/size))*float(100)
        self.ui.progressBar_2.setValue(self.progress)

标签： pythonpyqt5pytube

解决方案

可能这应该有帮助：

self.video = yt.streams.filter(progressive=True, file_extension='mp4').first()
self.video.download()

有4个地方可以添加self.video

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