摄像头视频和使用Python Kivy拍照

from kivy.app import App
from kivy.uix.camera import Camera
from kivy.uix.button import Button
from kivy.uix.boxlayout import BoxLayout
from kivy.core.window import Window

class CameraApp(App):
    def build(self):
        layout = BoxLayout(orientation='vertical')
        self.camera = Camera(resolution=(640, 480), size_hint=(1, 0.8))
        self.button = Button(text='拍照', size_hint=(1, 0.2))
        self.button.bind(on_press=self.take_picture)
        layout.add_widget(self.camera)
        layout.add_widget(self.button)
        return layout

    def take_picture(self, instance):
        self.camera.export_to_png('image.png')

if __name__ == '__main__':
    Window.fullscreen = 'auto'
    CameraApp().run()