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python - 无法获取窗口,中止

转载 作者:太空狗 更新时间:2023-10-29 17:10:30 29 4
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我在运行 Kivy hello world 程序时遇到了一个常见的错误。我尝试了我在这里看到的解决方案:手动安装 gstreamer,将其添加到 PATH 并安装 PySDL2。我的操作系统是 Windows 7,所有其他版本信息都在错误日志中。

# you need this two lines:
import os
os.environ['KIVY_IMAGE'] = 'pil,sdl2'

#kivy program
from kivy.app import App
from kivy.uix.button import Button

class TestApp(App):
def build(self):
return Button(text='Hello World')

TestApp().run()

错误日志:

[INFO              ] [Logger      ] Record log in C:\Users\xyz\.kivy\logs\kivy_16-11-19_11.txt
[INFO ] [Kivy ] v1.9.1
[INFO ] [Python ] v2.7.12 (v2.7.12:d33e0cf91556, Jun 27 2016, 15:24:40) [MSC v.1500 64 bit (AMD64)]
[INFO ] [Factory ] 179 symbols loaded
[INFO ] [Image ] Providers: img_pil, img_sdl2 (img_tex, img_dds, img_ffpyplayer, img_gif ignored)
[INFO ] [Text ] Provider: sdl2
[INFO ] [OSC ] using <thread> for socket
[INFO ] [Window ] Provider: sdl2
[INFO ] [GL ] GLEW initialization succeeded
[INFO ] [GL ] OpenGL version <3.1.0 - Build 8.15.10.2538>
[INFO ] [GL ] OpenGL vendor <Intel>
[INFO ] [GL ] OpenGL renderer <Intel(R) HD Graphics Family>
[INFO ] [GL ] OpenGL parsed version: 3, 1
[INFO ] [GL ] Shading version <1.40 - Intel Build 8.15.10.2538>
[INFO ] [GL ] Texture max size <8192>
[INFO ] [GL ] Texture max units <16>
[INFO ] [Shader ] fragment shader: <No errors.>
[INFO ] [Shader ] vertex shader: <No errors.>
[INFO ] [Shader ] program: <No errors.>
[CRITICAL ] [Window ] Unable to find any valuable Window provider at all!
sdl2 - AttributeError: tobytes
File "C:\Program Files\python27\lib\site-packages\kivy\core\__init__.py", line 67, in core_select_lib
cls = cls()
File "C:\Program Files\python27\lib\site-packages\kivy\core\window\window_sdl2.py", line 138, in __init__
super(WindowSDL, self).__init__()
File "C:\Program Files\python27\lib\site-packages\kivy\core\window\__init__.py", line 722, in __init__
self.create_window()
File "C:\Program Files\python27\lib\site-packages\kivy\core\window\window_sdl2.py", line 255, in create_window
super(WindowSDL, self).create_window()
File "C:\Program Files\python27\lib\site-packages\kivy\core\window\__init__.py", line 897, in create_window
self.render_context = RenderContext()
File "kivy\graphics\instructions.pyx", line 756, in kivy.graphics.instructions.RenderContext.__init__ (kivy\graphics\instructions.c:10729)
File "C:\Program Files\python27\lib\site-packages\kivy\core\image\__init__.py", line 512, in __init__
self.filename = arg
File "C:\Program Files\python27\lib\site-packages\kivy\core\image\__init__.py", line 700, in _set_filename
mipmap=self._mipmap, nocache=self._nocache)
File "C:\Program Files\python27\lib\site-packages\kivy\core\image\__init__.py", line 430, in load
im = loader(filename, **kwargs)
File "C:\Program Files\python27\lib\site-packages\kivy\core\image\__init__.py", line 198, in __init__
self._data = self.load(filename)
File "C:\Program Files\python27\lib\site-packages\kivy\core\image\img_pil.py", line 101, in load
return list(self._img_read(im))
File "C:\Program Files\python27\lib\site-packages\kivy\core\image\img_pil.py", line 86, in _img_read
img_tmp.mode.lower(), img_tmp.tobytes())
File "C:\Program Files\python27\lib\site-packages\PIL\Image.py", line 514, in __getattr__
raise AttributeError(name)

[CRITICAL ] [App ] Unable to get a Window, abort.
Exception SystemExit: 1 in 'kivy.properties.dpi2px' ignored
[CRITICAL ] [App ] Unable to get a Window, abort.

最佳答案

在 cmd 中转到 python34,然后转到脚本并安装以下内容:

pip install --upgrade pip wheel setuptools
pip install docutils pygments pypiwin32 kivy.deps.sdl2 kivy.deps.glew
pip install kivy.deps.gstreamer
pip install kivy.deps.angle
pip install kivy

关于python - 无法获取窗口,中止,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/40697876/

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