尝试运行简单Kivy程序(Windows)时出错

Question

试图在我的计算机上运行以下程序时：

# First import an App class from kivy
from kivy.app import App
# Define App subclass
class TutorialApp(App):
    pass
if __name__=="__main__":
    TutorialApp().run()

在我添加了建议的内容(最后两行)之后，我得到了两个语法错误，第一个告诉我删除冒号，第二个告诉我删除缩进，然后如下：

[INFO              ] Kivy v1.8.0
[INFO              ] [Logger      ] Record log in C:\Users\rabbitrabbit\.kivy       \logs\kivy_14-08-15_5.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_tex, img_dds, img_gif (img_pygame,  img_pil ignored)
[DEBUG             ] [Cache       ] register <kv.texture> with limit=1000, timeout=60s
[DEBUG             ] [Cache       ] register <kv.shader> with limit=1000, timeout=3600s
[DEBUG             ] [App         ] Loading kv <C:\Python33\tutorial.kv>
[DEBUG             ] [App         ] kv <C:\Python33\tutorial.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.

根据我所遵循的教程( making-a-simple-app/ )，程序应该能够无问题地运行。我已经安装了Kivy和Python3.3。

Answer 1

看起来您缺少了pygame的安装--它不是由Kivy安装作为依赖项拉进来的，所以您需要单独安装它--参见http://kivy.org/docs/installation/troubleshooting-macosx.html#unable-to-find-any-valuable-window-provider-error

Answer 2

如果这真的是你的程序，问题就在于它什么也不做。使用TutorialApp().run()实际启动gui。

不管是哪种方式，追溯都不是一个错误。