Pmw.py 文件源码

def component(self, name):
        # Return a component widget of the megawidget given the
        # component's name
        # This allows the user of a megawidget to access and configure
        # widget components directly.

        # Find the main component and any subcomponents
        index = string.find(name, '_')
        if index < 0:
            component = name
            remainingComponents = None
        else:
            component = name[:index]
            remainingComponents = name[(index + 1):]

        # Expand component alias
        if self.__componentAliases.has_key(component):
            component, subComponent = self.__componentAliases[component]
            if subComponent is not None:
                if remainingComponents is None:
                    remainingComponents = subComponent
                else:
                    remainingComponents = subComponent + '_' \
                            + remainingComponents

        widget = self.__componentInfo[component][0]
        if remainingComponents is None:
            return widget
        else:
            return widget.component(remainingComponents)