#:import kivy kivy

<SomeWidget@Widget>:
    on_x: self.something = 42
    height: self.width
    width: 78
    on_y:
        self.another = 23
        self.home = 78
    canvas.before:
        Color:
            rgb: 1, 1, 1

Widget:
    size: 55, self.y + 10
    SomeWidget:
        size_hint_x: .5