我试着用Kivy运行一个简单的helloworld程序。我的Mac电脑上安装了正确的版本(1.8),但我收到一条错误消息,窗口无法打开。在
from kivy.app import App
from kivy.uix.button import Button
class TestApp(App):
def build(self):
return Button(text='Hello World')
TestApp().run()
$ python hello_world.py
[INFO ] Kivy v1.8.0
[INFO ] [Logger ] Record log in /Users/d/.kivy/logs/kivy_15-01-13_4.txt
[INFO ] [Factory ] 157 symbols loaded
[DEBUG ] [Cache ] register <kv.lang> with limit=None, timeout=Nones
[DEBUG ] [Cache ] register <kv.image> with limit=None, timeout=60s
[DEBUG ] [Cache ] register <kv.atlas> with limit=None, timeout=Nones
[INFO ] [Image ] Providers: img_imageio, img_tex, img_dds, img_pil, img_gif (img_pygame ignored)
[DEBUG ] [Cache ] register <kv.texture> with limit=1000, timeout=60s
[DEBUG ] [Cache ] register <kv.shader> with limit=1000, timeout=3600s
[DEBUG ] [Text ] Ignored <pygame> (import error)
[DEBUG ] [Text ] Ignored <sdlttf> (import error)
[INFO ] [Text ] Provider: pil(['text_pygame', 'text_sdlttf'] ignored)
[DEBUG ] [App ] Loading kv <./test.kv>
[DEBUG ] [App ] kv <./test.kv> not found
[DEBUG ] [Window ] Ignored <egl_rpi> (import error)
[DEBUG ] [Window ] Ignored <pygame> (import error)
[WARNING ] [WinPygame ] SDL wrapper failed to import!
[DEBUG ] [Window ] Ignored <sdl> (import error)
[DEBUG ] [Window ] Ignored <x11> (import error)
[CRITICAL ] [Window ] Unable to find any valuable Window provider at all!
[CRITICAL ] [App ] Unable to get a Window, abort.
Exception SystemExit: 1 in 'kivy.properties.dpi2px' ignored
[CRITICAL ] [App ] Unable to get a Window, abort.
根据线路
你对Kivy的依赖可能安装不当或过时,正如Mark Ransom所说。尝试更新Kivy的依赖项。^Github Kivy论坛上的{a1}已经详细讨论了这个问题,尽管它是在Ubuntu上,而不是macosx上,并且有几个用户报告说,更新Kivy依赖关系可以解决这个问题。在
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