大佬教程收集整理的这篇文章主要介绍了Kivy AttributeError: 'super' 对象没有属性 '__getattr__'（尝试了所有以前的解决方案），大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。
这是 Python 中最烦人的错误之一，根据问题有很多解决方案
@H_769_7@main.py
# imports
from kivy.app import App
from kivy.lang import Builder
from kivy.uix.screenmanager import Screen,ScreenManager
# Defining Screen,ScreenManager And App Classes:
class MainScreen(Screen):
pass
class ShortCuts(Screen):
pass
class WindowManager(ScreenManager):
pass
# Kivy Lang Builder Packed As A Variable
BLD = Builder.load_file("KV_file.kv")
class OnlineClassmacros(App):
# Initializing The App
def __init__(self,**kwargs):
super(OnlineClassmacros,self).__init__(**kwargs)
# Defining The App By Referencing The Packed Kivy.Lang.builder Variable Created At The Start Of The .py file
def build(self):
return BLD
@staticmethod
def Get():
query = BLD.IDs.SearchENGIne.text
print(query)
# Todo: Monetize The >>Online Class Macros<< Application By Using KivMob
# MainLooPing The Application Using [if __name__ == "__main__":]
if __name__ == "__main__":
OnlineClassmacros().run()
KV_file.kv
# imporTing Our Function.py As A Python ModulE into Kivy-Lang\
#######################################################
#:import redirect Function.redirect
#######################################################
# Pre-Styling Widgets
<Label>
halign: 'center'
valign: 'center'
BACkground_color: '0','.4','.3','.4'
<button>
halign: 'center'
valign: 'center'
BACkground_color: "0",".1",".8"
# Configuring The Screens and the Screen Manager
WindowManager:
MainScreen:
ShortCuts:
# Building All The Classes In Our "Main.py" file
<MainScreen>:
name: "MainScreen"
canvas.before:
Rectangle:
size: self.size
pos: self.pos
source: "Images/BACkground 2.png"
BoxLayout:
orIEntation: "horizontal"
BoxLayout:
size_hint: .2,1
orIEntation: "vertical"
button:
text: "Google\nDocs"
on_release: redirect("https://www.docs.Google.com")
button:
text: "Google\nSlIDes"
on_release:
redirect("https://slIDes.Google.com/u/0/h")
button:
text: "Gmail"
on_release:
redirect("https://www.gmail.com")
button:
text: "Google\nClassroom"
on_release:
redirect("https://classroom.Google.com/u/0/")
BoxLayout:
size_hint: .6,1
BoxLayout:
orIEntation: "vertical"
TexTinput:
size_hint: 1,.2
multiline: True
hint_text: "Search here"
BACkground_color: 1,1,.78
ID: SearchENGIne
GrIDLayout:
cols: 3
button:
text: "Google Scholar\nSearch"
button:
text: "Wikipedia\nSearch"
on_release:
app.Get()
button:
text: "Google\nSearch"
button:
text: "RefSeek\nSearch"
button:
text: "Microsoft Academic\nSearch"
button:
text: "Hyper Search"
BACkground_color: 1,.99
BoxLayout:
size_hint: .2,1
orIEntation: "vertical"
button:
text: "Google\nspreadSheets"
on_release:
redirect("https://classroom.Google.com/u/0/h")
button:
text: "MicroSoft\nTeams"
on_release:
redirect("https://classroom.Google.com/u/0/h")
button:
text: "OutLook"
on_release:
redirect("https://classroom.Google.com/u/0/h")
<ShortCuts>:
canvas.before:
Rectangle:
pos: self.pos
size: self.pos
source: 'Images/ BACkground 3.png'
C:\Users\mayan\ApPDAta\Local\Programs\Python\python39\python.exe "C:/Online Class Macros ;)/Main.py"
[INFO ] [Logger ] Record log in C:\Users\mayan\.kivy\logs\kivy_21-06-13_7.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\mayan\ApPDAta\Local\Programs\Python\python39\lib\site-packages\kivy\__init__.py"
[INFO ] [Python ] v3.9.4 (tags/v3.9.4:1f2e308,Apr 6 2021,13:40:21) [MSC v.1928 64 bit (AMD64)]
[INFO ] [Python ] Interpreter at "C:\Users\mayan\ApPDAta\Local\Programs\Python\python39\python.exe"
[INFO ] [Factory ] 186 symbols loaded
[INFO ] [Image ] ProvIDers: img_tex,img_dds,img_sdl2,img_pil (img_ffpyplayer ignored)
[INFO ] [Window ] ProvIDer: sdl2
[INFO ] [GL ] Using the "OpenGL" graphics system
[INFO ] [GL ] GLEW initialization succeeded
[INFO ] [GL ] BACkend used <glew>
[INFO ] [GL ] OpenGL version <b'4.0.0 - Build 10.18.10.5059'>
[INFO ] [GL ] OpenGL vendor <b'Intel'>
[INFO ] [GL ] OpenGL renderer <b'Intel(R) HD Graphics'>
[INFO ] [GL ] OpenGL parsed version: 4,0
[INFO ] [GL ] Shading version <b'4.00 - Build 10.18.10.5059'>
[INFO ] [GL ] Texture max size <16384>
[INFO ] [GL ] Texture max units <16>
[INFO ] [Window ] auto add sdl2 input provIDer
[INFO ] [Window ] virtual keyboard not allowed,single mode,not docked
[INFO ] [GL ] NPOT texture support is available
[INFO ] [GL ] Unpack subimage support is available
[INFO ] [Text ] ProvIDer: sdl2
[INFO ] [Base ] Start application main loop
[INFO ] [Base ] Leaving application in progress...
TraceBACk (most recent call last):
file "kivy\propertIEs.pyx",line 861,in kivy.propertIEs.ObservableDict.__getattr__
KeyError: 'SearchENGIne'
During handling of the above exception,another exception occurred:
TraceBACk (most recent call last):
file "C:\Online Class Macros ;)\Main.py",line 46,in <module>
OnlineClassmacros().run()
file "C:\Users\mayan\ApPDAta\Local\Programs\Python\python39\lib\site-packages\kivy\app.py",line 950,in run
runtouchApp()
file "C:\Users\mayan\ApPDAta\Local\Programs\Python\python39\lib\site-packages\kivy\base.py",line 582,in runtouchApp
EventLoop.mainloop()
file "C:\Users\mayan\ApPDAta\Local\Programs\Python\python39\lib\site-packages\kivy\base.py",line 347,in mainloop
self.IDle()
file "C:\Users\mayan\ApPDAta\Local\Programs\Python\python39\lib\site-packages\kivy\base.py",line 391,in IDle
self.dispatch_input()
file "C:\Users\mayan\ApPDAta\Local\Programs\Python\python39\lib\site-packages\kivy\base.py",line 342,in dispatch_input
post_dispatch_input(*pop(0))
file "C:\Users\mayan\ApPDAta\Local\Programs\Python\python39\lib\site-packages\kivy\base.py",line 308,in post_dispatch_input
wID.dispatch('on_touch_up',mE)
file "kivy\_event.pyx",line 709,in kivy._event.Eventdispatcher.dispatch
file "C:\Users\mayan\ApPDAta\Local\Programs\Python\python39\lib\site-packages\kivy\uix\behaviors\button.py",line 179,in on_touch_up
self.dispatch('on_release')
file "kivy\_event.pyx",line 705,in kivy._event.Eventdispatcher.dispatch
file "kivy\_event.pyx",line 1248,in kivy._event.EventObservers.dispatch
file "kivy\_event.pyx",line 1132,in kivy._event.EventObservers._dispatch
file "C:\Users\mayan\ApPDAta\Local\Programs\Python\python39\lib\site-packages\kivy\lang\builder.py",line 57,in custom_callBACk
exec(__kvlang__.co_value,IDmap)
file "C:\Online Class Macros ;)\KV_file.kv",line 70,in <module>
app.Get()
file "C:\Online Class Macros ;)\Main.py",line 36,in Get
query = BLD.IDs.SearchENGIne.text
file "kivy\propertIEs.pyx",line 864,in kivy.propertIEs.ObservableDict.__getattr__
AttributeError: 'super' object has no attribute '__getattr__'
Process finished with exit code 1
这个错误以前发生在我身上，我解决了它，但正如我所说，答案取决于问题。 如果没有人删除我的问题说它是重复的，我真的很感激。
神秘的错误消息没有多大帮助，但堆栈跟踪显示错误发生在该行中：
query = BLD.ids.SearchENGIne.text
此行失败的原因是您试图访问 id 对象中不存在的 SearchENGIne (BLD)。 BLD 对象是您的 kv 的根，也就是 WindowManager，但 SearchENGIne id 是在 <MainScreen>: 规则中定义的。因此，修复方法是通过正确的对象访问该 ID：
def Get():
app = App.get_running_app() # get a refrence to the running App
main_screen = app.root.get_screen('MainScreen') # get a reference to the MainScreen
query = main_screen.ids.SearchENGIne.text # now use the id
print(query)
请注意，documentation 表示：
当 kv 文件被处理时，weakrefs 到所有标记为 id 被添加到根小部件的 id 字典中。
该文档不正确。 ids 实际上是添加到包含 id 的规则的基础对象中，而不是添加到 kv 文件的根小部件中。
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