kalekundert / autoprop Goto Github PK

import glooey

class TilePickerButton(glooey.Widget):
    custom_alignment = 'center'
    custom_propagate_mouse_events = True

    def __init__(self, cls, on_mouse_press):
        super().__init__()
        self.cls = cls

        vbox = glooey.VBox()
        self.image = glooey.Image(cls.image)
        self.label = glooey.Label(cls.__name__)

        vbox.pack(self.image)
        vbox.add(self.label)
        import pdb
        #pdb.set_trace()
        vbox.padding = 6

        self._attach_child(vbox)
        self.on_mouse_press_func = on_mouse_press

    def on_mouse_press(self, x, y, button, modifiers):
        super().on_mouse_press(x, y, button, modifiers)
        print("pressed")
        return self.on_mouse_press_func()

class FakeSprite:
    image = "fake.png"

cls = FakeSprite
button = TilePickerButton(cls, lambda cls=cls: setattr(self, "active_content_cls", cls))

  File "test_glooey.py", line 33, in <module>
    button = TilePickerButton(cls, lambda cls=cls: setattr(self, "active_content_cls", cls))
  File "test_glooey.py", line 19, in __init__
    vbox.padding = 6
AttributeError: can't set attribute

<autoprop.property object at 0x7f12201eaac0>

import autoprop

class MyObj1:

    def __init__(self, x):
        self.x = x

class MyObj2:

    def __init__(self, x):
        self._x = x

    @property
    def x(self):
        return self._x

@autoprop
class MyObj3:

    def __init__(self, x):
        self._x = x

    def get_x(self):
        return self._x

@autoprop.immutable
class MyObj4:

    def __init__(self, x):
        self._x = x

    def get_x(self):
        return self._x

o1 = MyObj1(1)
o2 = MyObj2(1)
o3 = MyObj3(1)
o4 = MyObj4(1)

from timeit import timeit

debug(
        timeit('o1.x', globals=globals()),
        timeit('o2.x', globals=globals()),
        timeit('o3.x', globals=globals()),
        timeit('o4.x', globals=globals()),
)

$ py performance.py
performance.py:44 <module>
    timeit('o1.x', globals=globals()): 0.05056732299271971 (float)
    timeit('o2.x', globals=globals()): 0.12571916298475116 (float)
    timeit('o3.x', globals=globals()): 0.12429857498500496 (float)
    timeit('o4.x', globals=globals()): 1.8535652839927934 (float)