python - 使用 python 在 kivy 中遇到错误“无法找到任何有价值的窗口提供程序”
问题描述
尝试利用 Kivy 制作应用程序,但不断遇到相同的问题。
错误日志
[INFO ] [Logger ] Record log in C:\Users\deniz\.kivy\logs\kivy_21-07-11_9.txt
[INFO ] [deps ] Successfully imported "kivy_deps.gstreamer" 0.3.2
[INFO ] [deps ] Successfully imported "kivy_deps.angle" 0.3.0
[INFO ] [deps ] Successfully imported "kivy_deps.glew" 0.3.0
[INFO ] [deps ] Successfully imported "kivy_deps.sdl2" 0.3.1
[INFO ] [Kivy ] v2.0.0
[INFO ] [Kivy ] Installed at "C:\Users\deniz\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\kivy\__init__.py"
[INFO ] [Python ] v3.9.5 (tags/v3.9.5:0a7dcbd, May 3 2021, 17:27:52) [MSC v.1928 64 bit (AMD64)]
[INFO ] [Python ] Interpreter at "C:\Users\deniz\AppData\Local\Microsoft\WindowsApps\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\python.exe"
[INFO ] [Factory ] 186 symbols loaded
[INFO ] [Image ] Providers: img_tex, img_dds, img_pil (img_sdl2, img_ffpyplayer ignored)
[INFO ] [Text ] Provider: pil(['text_sdl2'] ignored)
[CRITICAL] [Window ] Unable to find any valuable Window provider. Please enable debug logging (e.g. add -d if running from the command line, or change the log level in the config) and re-run your app to identify potential causes
sdl2 - ImportError: DLL load failed while importing _window_sdl2: The specified module could not be found.
File "C:\Users\deniz\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\kivy\core\__init__.py", line 58, in core_select_lib
mod = __import__(name='{2}.{0}.{1}'.format(
File "C:\Users\deniz\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\LocalCache\local-packages\Python39\site-packages\kivy\core\window\window_sdl2.py", line 27, in <module>
from kivy.core.window._window_sdl2 import _WindowSDL2Storage
[CRITICAL] [App ] Unable to get a Window, abort.
PS C:\Users\deniz\Desktop\python_sandbox-master>
实际脚本代码
import kivy
kivy.require('2.0.0') # replace with your current kivy version !
from kivy.app import App
from kivy.uix.label import Label
class MyApp(App):
def build(self):
return Label(text='Hello world')
if __name__ == '__main__':
MyApp().run()
已尝试按照其他论坛的建议安装依赖项或重新安装 kivy,但到目前为止还没有成功。
解决方案
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