How to use the pygubu.builder.builderobject.register_widget function in pygubu

command_properties = ('xscrollcommand', 'yscrollcommand')

    def _set_property(self, target_widget, pname, value):
        if pname == 'text':
            state = target_widget.cget('state')
            if state == tk.DISABLED:
                target_widget.configure(state=tk.NORMAL)
                target_widget.insert('0.0', value)
                target_widget.configure(state=tk.DISABLED)
            else:
                target_widget.insert('0.0', value)
        else:
            super(TKText, self)._set_property(target_widget, pname, value)


register_widget('tk.Text', TKText, 'Text', ('Control & Display', 'tk', 'ttk'))


class TKPanedWindow(PanedWindowBO):
    class_ = tk.PanedWindow
    allowed_children = ('tk.PanedWindow.Pane',)
    OPTIONS_STANDARD = (
        'background', 'borderwidth', 'cursor', 'orient', 'relief',)
    OPTIONS_SPECIFIC = (
        'handlepad', 'handlesize', 'height', 'opaqueresize',
        'sashcursor', 'sashpad', 'sashrelief', 'sashwidth', 'showhandle',
        'width')
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC

register_widget('tk.PanedWindow', TKPanedWindow,
                'PanedWindow', ('Containers', 'tk'))

class_ = tk.Scale
    container = False
    OPTIONS_STANDARD = (
        'activebackground', 'background', 'borderwidth',
        'cursor',  'font', 'foreground',
        'highlightbackground', 'highlightcolor', 'highlightthickness',
        'orient', 'relief', 'repeatdelay', 'repeatinterval',
        'takefocus',  'troughcolor')
    OPTIONS_SPECIFIC = (
        'bigincrement', 'command', 'digits', 'from_', 'label', 'length',
        'resolution', 'showvalue', 'sliderlength', 'sliderrelief',
        'state', 'tickinterval', 'to', 'variable', 'width')
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC
    command_properties = ('command',)

register_widget('tk.Scale', TKScale, 'Scale', ('Control & Display', 'tk'))


class TKScrollbar(BuilderObject):
    class_ = tk.Scrollbar
    container = False
    OPTIONS_STANDARD = (
        'activebackground',  'background', 'borderwidth', 'cursor',
        'highlightbackground', 'highlightcolor', 'highlightthickness',
        'jump', 'orient', 'relief', 'repeatdelay', 'repeatinterval',
        'takefocus', 'troughcolor')
    OPTIONS_SPECIFIC = (
        'activerelief', 'command', 'elementborderwidth', 'width')
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC
    command_properties = ('command',)

register_widget('tk.Scrollbar', TKScrollbar,

def configure(self):
        pass

    def layout(self):
        pass

register_widget('tk.Menuitem.Submenu', TKMenuitemSubmenu,
                'Menuitem.Submenu', ('Menu', 'Pygubu Helpers', 'tk', 'ttk'))


class TKMenuitemCommand(TKMenuitem):
    allowed_parents = ('tk.Menu', 'tk.Menuitem.Submenu')
    itemtype = tk.COMMAND

register_widget('tk.Menuitem.Command', TKMenuitemCommand,
                'Menuitem.Command', ('Menu', 'Pygubu Helpers', 'tk', 'ttk'))


class TKMenuitemCheckbutton(TKMenuitem):
    allowed_parents = ('tk.Menu', 'tk.Menuitem.Submenu')
    itemtype = tk.CHECKBUTTON
    OPTIONS_STANDARD = TKMenuitem.OPTIONS_STANDARD
    OPTIONS_SPECIFIC = \
        TKMenuitem.OPTIONS_SPECIFIC + \
        ('indicatoron', 'selectcolor', 'selectimage', 'variable')
    OPTIONS_CUSTOM = TKMenuitem.OPTIONS_CUSTOM
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC + OPTIONS_CUSTOM

register_widget('tk.Menuitem.Checkbutton', TKMenuitemCheckbutton,
                'Menuitem.Checkbutton', ('Menu', 'Pygubu Helpers', 'tk', 'ttk'))

container = False
    OPTIONS_STANDARD = (
        'activebackground', 'activeforeground', 'anchor',
        'background', 'bitmap', 'borderwidth', 'compound', 'cursor',
        'disabledforeground', 'font', 'foreground',
        'highlightbackground', 'highlightcolor', 'highlightthickness',
        'image', 'justify',  'padx', 'pady', 'relief',
        'takefocus', 'text', 'textvariable', 'underline',  'wraplength')
    OPTIONS_SPECIFIC = (
        'command', 'height', 'indicatoron', 'overrelief', 'offrelief',
        'offvalue', 'onvalue', 'overrelief', 'selectcolor', 'selectimage',
        'state', 'tristateimage', 'tristatevalue', 'variable', 'width')
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC
    command_properties = ('command',)

register_widget('tk.Checkbutton', TKCheckbutton,
                'Checkbutton', ('Control & Display', 'tk'))


class TKListbox(BuilderObject):
    class_ = tk.Listbox
    container = False
    OPTIONS_STANDARD = (
        'background', 'borderwidth', 'cursor',
        'disabledforeground', 'exportselection', 'font',
        'foreground',  'highlightbackground', 'highlightcolor',
        'highlightthickness',  'relief',
        'selectbackground', 'selectborderwidth', 'selectforeground',
        'setgrid', 'takefocus',  'xscrollcommand', 'yscrollcommand')
    OPTIONS_SPECIFIC = ('activestyle', 'height', 'listvariable',
                        'selectmode', 'state', 'width')
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC

class_ = tk.Menu
    container = True
    allow_container_layout = False
    OPTIONS_STANDARD = ('activebackground', 'activeborderwidth',
                        'activeforeground',  'background', 'borderwidth',
                        'cursor', 'disabledforeground', 'font', 'foreground',
                        'relief', 'takefocus')
    OPTIONS_SPECIFIC = ('postcommand',  'tearoff', 'tearoffcommand', 'title')
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC
    command_properties = ('postcommand', 'tearoffcommand')
    allow_bindings = False

    def layout(self):
        pass

register_widget('tk.Menu', TKMenu, 'Menu', ('Menu', 'Containers', 'tk', 'ttk'))

#
# Helpers for Standard tk widgets
#


class TKMenuitem(BuilderObject):
    class_ = None
    container = False
    itemtype = None
    layout_required = False
    OPTIONS_STANDARD = ('activebackground', 'activeforeground', 'background',
                        'bitmap', 'compound', 'foreground',  'state')
    OPTIONS_SPECIFIC = ('accelerator', 'columnbreak', 'command',
                        'font', 'hidemargin', 'image', 'label', 'underline')
    OPTIONS_CUSTOM = ('command_id_arg',)

class TKLabel(BuilderObject):
    OPTIONS_STANDARD = (
        'activebackground', 'activeforeground', 'anchor',
        'background', 'bitmap', 'borderwidth', 'compound',
        'cursor', 'disabledforeground', 'font', 'foreground', 'height',
        'highlightbackground', 'highlightcolor', 'highlightthickness',
        'image', 'justify', 'padx', 'pady', 'relief',
        'takefocus', 'text', 'textvariable', 'underline',
        'wraplength')
    OPTIONS_SPECIFIC = ('height', 'state', 'width')
    class_ = tk.Label
    container = False
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC

register_widget('tk.Label', TKLabel, 'Label', ('Control & Display', 'tk'))


class TKLabelFrame(BuilderObject):
    class_ = tk.LabelFrame
    container = True
    OPTIONS_STANDARD = (
        'borderwidth', 'cursor', 'font', 'foreground',
        'highlightbackground', 'highlightcolor', 'highlightthickness',
        'padx', 'pady', 'relief', 'takefocus', 'text')
    OPTIONS_SPECIFIC = ('background', 'class_', 'height',
                        'labelanchor', 'width')
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC

register_widget('tk.LabelFrame', TKLabelFrame,
                'LabelFrame', ('Containers', 'tk'))

class_ = tk.Canvas
    container = False
    OPTIONS_STANDARD = (
        'background', 'borderwidth', 'cursor', 'highlightbackground',
        'highlightcolor', 'highlightthickness',
        'insertbackground', 'insertborderwidth', 'insertofftime',
        'insertontime', 'insertwidth', 'relief',  'selectbackground',
        'selectborderwidth', 'selectforeground', 'takefocus',
        'xscrollcommand', 'yscrollcommand')
    OPTIONS_SPECIFIC = (
        'closeenough', 'confine', 'height', 'scrollregion', 'state',
        'width', 'xscrollincrement', 'yscrollincrement')
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC
    command_properties = ('xscrollcommand', 'yscrollcommand')

register_widget('tk.Canvas', TKCanvas,
                'Canvas', ('Control & Display', 'tk', 'ttk'))


class TKMenu(BuilderObject):
    layout_required = False
    allowed_parents = ('root', 'tk.Menubutton', 'ttk.Menubutton')
    allowed_children = (
        'tk.Menuitem.Submenu', 'tk.Menuitem.Checkbutton',
        'tk.Menuitem.Command', 'tk.Menuitem.Radiobutton',
        'tk.Menuitem.Separator')
    class_ = tk.Menu
    container = True
    allow_container_layout = False
    OPTIONS_STANDARD = ('activebackground', 'activeborderwidth',
                        'activeforeground',  'background', 'borderwidth',
                        'cursor', 'disabledforeground', 'font', 'foreground',

class TKLabelwidgetBO(BuilderObject):
    class_ = None
    container = True
    allowed_parents = ('tk.LabelFrame', 'ttk.Labelframe')
    maxchildren = 1
    layout_required = False
    allow_bindings = False

    def realize(self, parent):
        self.widget = parent.widget
        return self.widget

    def add_child(self, bobject):
        self.widget.configure(labelwidget=bobject.widget)

register_widget('pygubu.builder.widgets.Labelwidget', TKLabelwidgetBO,
                'Labelwidget', ('Pygubu Helpers', 'tk', 'ttk'))

properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC + OPTIONS_CUSTOM

register_widget('tk.Menuitem.Radiobutton', TKMenuitemRadiobutton,
                'Menuitem.Radiobutton', ('Menu', 'Pygubu Helpers', 'tk', 'ttk'))


class TKMenuitemSeparator(TKMenuitem):
    allowed_parents = ('tk.Menu', 'tk.Menuitem.Submenu')
    itemtype = tk.SEPARATOR
    OPTIONS_STANDARD = tuple()
    OPTIONS_SPECIFIC = tuple()
    OPTIONS_CUSTOM = tuple()
    properties = tuple()
    command_properties = tuple()

register_widget('tk.Menuitem.Separator', TKMenuitemSeparator,
                'Menuitem.Separator', ('Menu', 'Pygubu Helpers', 'tk', 'ttk'))


class TKPanedWindowPane(PanedWindowPaneBO):
    class_ = None
    container = True
    allowed_parents = ('tk.PanedWindow',)
    maxchildren = 1
    OPTIONS_SPECIFIC = ('height', 'hide', 'minsize',
                        'padx', 'pady', 'sticky', 'stretch', 'width')
    properties = OPTIONS_SPECIFIC

register_widget('tk.PanedWindow.Pane', TKPanedWindowPane,
                'PanedWindow.Pane', ('Pygubu Helpers', 'tk'))