def __init__(self):
        """Create/set objects to support operations."""
        ### build widgets
        self.build_widgets()

        ### create and store useful collections

        ## map to store information about each color
        self.color_info = FactoryDict(get_color_info)

        ## list to hold color 2d instances
        self.existing_color2d_objs = []

        ## custom list instance to hold color2d instances
        ## used for color picking
        self.color_widgets = List2D()

        ### append color picker centering method as a
        ### window resize setup

        APP_REFS.window_resize_setups.append(self.center_color_picker)
Create/set objects to support operations.
nodezator/colorsman/picker/main.py