Kyvi

In [1]:

from kivy.app import App
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.label import Label
from kivy.uix.textinput import TextInput
from kivy.uix.button import Button

from kivy.app import App from kivy.uix.boxlayout import BoxLayout from kivy.uix.label import Label from kivy.uix.textinput import TextInput from kivy.uix.button import Button

[INFO   ] [Logger      ] Record log in C:\Users\JonhEdsonRibeirodeCa\.kivy\logs\kivy_24-11-14_1.txt

[INFO   ] [deps        ] Successfully imported "kivy_deps.angle" 0.4.0

[INFO   ] [deps        ] Successfully imported "kivy_deps.glew" 0.3.1

[INFO   ] [deps        ] Successfully imported "kivy_deps.sdl2" 0.7.0

[INFO   ] [Kivy        ] v2.3.0

[INFO   ] [Kivy        ] Installed at "F:\Apps\source\repos\24.2\PBE_24.2_8001\.venv\lib\site-packages\kivy\__init__.py"

[INFO   ] [Python      ] v3.10.7 (tags/v3.10.7:6cc6b13, Sep  5 2022, 14:08:36) [MSC v.1933 64 bit (AMD64)]

[INFO   ] [Python      ] Interpreter at "F:\Apps\source\repos\24.2\PBE_24.2_8001\.venv\Scripts\python.exe"

[INFO   ] [Logger      ] Purge log fired. Processing...

[INFO   ] [Logger      ] Purge finished!

[INFO   ] [Factory     ] 195 symbols loaded

[INFO   ] [Image       ] Providers: img_tex, img_dds, img_sdl2, img_pil (img_ffpyplayer ignored)

[INFO   ] [Text        ] Provider: sdl2

[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'4.6.0 Compatibility Profile Context 24.9.1.240813'>

[INFO   ] [GL          ] OpenGL vendor <b'ATI Technologies Inc.'>

[INFO   ] [GL          ] OpenGL renderer <b'AMD Radeon(TM) Graphics'>

[INFO   ] [GL          ] OpenGL parsed version: 4, 6

[INFO   ] [GL          ] Shading version <b'4.60'>

[INFO   ] [GL          ] Texture max size <16384>

[INFO   ] [GL          ] Texture max units <32>

[INFO   ] [Window      ] auto add sdl2 input provider

[INFO   ] [Window      ] virtual keyboard not allowed, single mode, not docked

In [2]:

class Retangulo:
    def __init__(self, base, altura):
        self.base = base
        self.altura = altura

    def calcular_area(self):
        return self.base * self.altura

class Retangulo: def __init__(self, base, altura): self.base = base self.altura = altura def calcular_area(self): return self.base * self.altura

In [3]:

class CalculadoraAreaApp(App):
    def build(self):
        layout = BoxLayout(orientation='vertical')
        self.base_input = TextInput(multiline=False)
        self.altura_input = TextInput(multiline=False)
        self.resultado_label = Label(text='Resultado:')
        calcular_button = Button(text='Calcular')
        calcular_button.bind(on_press=self.calcular_area)
        layout.add_widget(self.base_input)
        layout.add_widget(self.altura_input)
        layout.add_widget(calcular_button)
        layout.add_widget(self.resultado_label)
        return layout

    def calcular_area(self, instance):
        try:
            base = float(self.base_input.text)
            altura = float(self.altura_input.text)
            retangulo = Retangulo(base, altura)
            resultado = retangulo.calcular_area()
            self.resultado_label.text = f'A área é: {resultado}'
        except ValueError:
            self.resultado_label.text = 'Digite valores numéricos.'

class CalculadoraAreaApp(App): def build(self): layout = BoxLayout(orientation='vertical') self.base_input = TextInput(multiline=False) self.altura_input = TextInput(multiline=False) self.resultado_label = Label(text='Resultado:') calcular_button = Button(text='Calcular') calcular_button.bind(on_press=self.calcular_area) layout.add_widget(self.base_input) layout.add_widget(self.altura_input) layout.add_widget(calcular_button) layout.add_widget(self.resultado_label) return layout def calcular_area(self, instance): try: base = float(self.base_input.text) altura = float(self.altura_input.text) retangulo = Retangulo(base, altura) resultado = retangulo.calcular_area() self.resultado_label.text = f'A área é: {resultado}' except ValueError: self.resultado_label.text = 'Digite valores numéricos.'

In [4]:

if __name__ == '__main__':
    CalculadoraAreaApp().run()

if __name__ == '__main__': CalculadoraAreaApp().run()

---------------------------------------------------------------------------
OSError                                   Traceback (most recent call last)
Cell In[4], line 2
      1 if __name__ == '__main__':
----> 2     CalculadoraAreaApp().run()

File F:\Apps\source\repos\24.2\PBE_24.2_8001\.venv\lib\site-packages\kivy\app.py:955, in App.run(self)
    952 def run(self):
    953     '''Launches the app in standalone mode.
    954     '''
--> 955     self._run_prepare()
    956     runTouchApp()
    957     self._stop()

File F:\Apps\source\repos\24.2\PBE_24.2_8001\.venv\lib\site-packages\kivy\app.py:924, in App._run_prepare(self)
    922 if not self.built:
    923     self.load_config()
--> 924     self.load_kv(filename=self.kv_file)
    925     root = self.build()
    926     if root:

File F:\Apps\source\repos\24.2\PBE_24.2_8001\.venv\lib\site-packages\kivy\app.py:677, in App.load_kv(self, filename)
    675 else:
    676     try:
--> 677         default_kv_directory = dirname(getfile(self.__class__))
    678         if default_kv_directory == '':
    679             default_kv_directory = '.'

File C:\Python310\lib\inspect.py:785, in getfile(object)
    783             return module.__file__
    784         if object.__module__ == '__main__':
--> 785             raise OSError('source code not available')
    786     raise TypeError('{!r} is a built-in class'.format(object))
    787 if ismethod(object):

OSError: source code not available