def update_from_alpha_entry(self):
        """Update alpha scale value from entry."""
        ### update scale with the alpha value from
        ### entry

        alpha = self.entry_map["alpha"].get()
        self.scale_map["alpha"].set(alpha, False)

        ### then update the color using the value on
        ### the scale
        self.update_from_alpha()
Update alpha scale value from entry.
nodezator/colorsman/editor/widgetop.py