生成kivy应用程序时出错：ModuleNotFoundError:没有名为“typing\u extensions”的模块

Question

我正在尝试为android打包一个Kivy应用程序。这是我试图编译的代码：

from pytube import YouTube

import kivy
from kivy.app import App
from kivy.uix.label import Label
from kivy.uix.gridlayout import GridLayout
from kivy.uix.textinput import TextInput
from kivy.uix.button import Button


def download(url):

    try: 
        yt = YouTube(url)
        vids = yt.streams.order_by('resolution')

        #formVids = []

        if len(vids) > 0:

            print("Downloading...")
            vids.first().download()
            print("Video Downloaded")

        else:
            print("Couldn't download that video")

    except Exception as e:
        print("Failed to download video: ", e)


class MyGrid(GridLayout):
    def __init__(self, **kwargs):
        super(MyGrid, self).__init__(**kwargs)
        self.cols = 1

        self.inside = GridLayout()
        self.inside.cols = 2

        self.add_widget(Label(text="Note: Downloading Youtube videos is against Youtubes terms of service. \nDownload videos only if the creator is okay with it. E.g., a lot of gaming channels \nare okay with fans downloading content in order to make compilations. \nAlso not that downloading copyrighted content (songs, movies, etc) is a criminal offense.", halign = "center"))
        self.add_widget(Label(text="Paste the url of the video in the whitespace below"))
        self.name = TextInput(multiline=False)
        self.add_widget(self.name)

        self.submit = Button(text="Download", font_size=60)
        self.submit.bind(on_press=self.pressed)
        self.add_widget(self.submit)

    def pressed(self, instance):
        url = self.name.text
        download(url)
        print(url)

class MyApp(App):
    def build(self):
        return MyGrid()


if __name__ == "__main__":
    MyApp().run()

这是全部错误：

Android kivy bootstrap done. __name__ is __main__
09-01 12:07:54.268 17974 18054 I python  : AND: Ran string
09-01 12:07:54.268 17974 18054 I python  : Run user program, change dir and execute entrypoint
09-01 12:07:54.444 17974 18054 I python  : Traceback (most recent call last):
09-01 12:07:54.444 17974 18054 I python  :   File "/home/joshua/youtubeDownloader/.buildozer/android/app/main.py", line 1, in <module>
09-01 12:07:54.445 17974 18054 I python  :   File "/home/joshua/youtubeDownloader/.buildozer/android/platform/build-armeabi-v7a/build/python-installs/youtubeDownloader/pytube/__init__.py", line 13, in <module>
09-01 12:07:54.445 17974 18054 I python  :   File "/home/joshua/youtubeDownloader/.buildozer/android/platform/build-armeabi-v7a/build/python-installs/youtubeDownloader/pytube/streams.py", line 22, in <module>
09-01 12:07:54.445 17974 18054 I python  :   File "/home/joshua/youtubeDownloader/.buildozer/android/platform/build-armeabi-v7a/build/python-installs/youtubeDownloader/pytube/monostate.py", line 4, in <module>
09-01 12:07:54.445 17974 18054 I python  : ModuleNotFoundError: No module named 'typing_extensions'
09-01 12:07:54.445 17974 18054 I python  : Python for android ended.

我尝试在requirements说明符旁边的buildozer.spec文件中添加'typing_extensions'，但也没有成功。如果您能提供任何帮助，了解发生这种情况的原因和/或如何解决，我们将不胜感激

Answer 1

尝试使用以下方法重新安装typing_extensions软件包：

pip uninstall typing_extensions 
pip install typing_extensions 

Answer 2

我不确定我的答案，但是

也许您可以尝试将typing-extensions而不是typing_extensions放在builder.spec文件中

将_替换为-