How to use the pygubu.builder.ttkstdwidgets.TTKWidgetBO function in pygubu

def _create_callback(self, cpname, command):
        callback = command
        if cpname in ('validatecommand', 'invalidcommand'):
            args = self.properties.get(cpname + '_args', '')
            if args:
                args = args.split(' ')
                callback = (self.widget.register(command),) + tuple(args)
            else:
                callback = self.widget.register(command)
        return callback

register_widget('ttk.Combobox', TTKCombobox, 'Combobox',
                ('Control & Display', 'ttk'))


class TTKScrollbar(TTKWidgetBO):
    OPTIONS_SPECIFIC = ('command', 'orient')
    class_ = ttk.Scrollbar
    container = False
    properties = TTKWidgetBO.OPTIONS_STANDARD + OPTIONS_SPECIFIC
    command_properties = ('command',)

register_widget('ttk.Scrollbar', TTKScrollbar,
                'Scrollbar', ('Control & Display', 'ttk'))


class TTKSizegrip(TTKWidgetBO):
    class_ = ttk.Sizegrip
    container = False
    properties = (TTKWidgetBO.OPTIONS_STANDARD +
                  TTKWidgetBO.OPTIONS_SPECIFIC)

class TTKButton(TTKWidgetBO):
    OPTIONS_STANDARD = (TTKWidgetBO.OPTIONS_STANDARD +
                        TTKWidgetBO.OPTIONS_LABEL +
                        TTKWidgetBO.OPTIONS_COMPATIBILITY)
    OPTIONS_SPECIFIC = ('command', 'default')
    class_ = ttk.Button
    container = False
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC
    command_properties = ('command',)

register_widget('ttk.Button', TTKButton,
                'Button', ('Control & Display', 'ttk'))


class TTKCheckbutton(TTKWidgetBO):
    OPTIONS_STANDARD = (TTKWidgetBO.OPTIONS_STANDARD +
                        TTKWidgetBO.OPTIONS_LABEL +
                        TTKWidgetBO.OPTIONS_COMPATIBILITY)
    OPTIONS_SPECIFIC = ('command', 'offvalue', 'onvalue', 'variable')
    class_ = ttk.Checkbutton
    container = False
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC
    command_properties = ('command',)

register_widget('ttk.Checkbutton', TTKCheckbutton,
                'Checkbutton', ('Control & Display', 'ttk'))


class TTKRadiobutton(TTKWidgetBO):
    OPTIONS_STANDARD = (TTKWidgetBO.OPTIONS_STANDARD +
                        TTKWidgetBO.OPTIONS_LABEL +

register_widget('ttk.Labelframe', TTKLabelframe,
                'Labelframe', ('Containers', 'ttk'))


class TTKPanedwindow(TTKWidgetBO, PanedWindowBO):
    OPTIONS_SPECIFIC = ('orient', 'height', 'width')
    class_ = ttk.Panedwindow
    allowed_children = ('ttk.Panedwindow.Pane',)
    properties = TTKWidgetBO.OPTIONS_STANDARD + OPTIONS_SPECIFIC
    ro_properties = ('class_', 'orient')

register_widget('ttk.Panedwindow', TTKPanedwindow,
                'Panedwindow', ('Containers', 'ttk'))


class TTKNotebook(TTKWidgetBO):
    OPTIONS_SPECIFIC = ('height', 'padding', 'width')
    class_ = ttk.Notebook
    container = True
    allow_container_layout = False
    allowed_children = ('ttk.Notebook.Tab',)
    properties = TTKWidgetBO.OPTIONS_STANDARD + OPTIONS_SPECIFIC

register_widget('ttk.Notebook', TTKNotebook,
                'Notebook', ('Containers', 'ttk'))


class TTKMenubuttonBO(TTKWidgetBO):
    OPTIONS_STANDARD = (TTKWidgetBO.OPTIONS_STANDARD +
                        TTKWidgetBO.OPTIONS_LABEL +
                        TTKWidgetBO.OPTIONS_COMPATIBILITY)
    OPTIONS_SPECIFIC = ('direction',)  # 'menu'

register_widget('ttk.Progressbar', TTKProgressbar,
                'Progressbar', ('Control & Display', 'ttk'))


class TTKScale(TTKWidgetBO):
    OPTIONS_SPECIFIC = ('command', 'from_', 'length', 'orient',
                        'to', 'value', 'variable')
    class_ = ttk.Scale
    container = False
    properties = TTKWidgetBO.OPTIONS_STANDARD + OPTIONS_SPECIFIC
    command_properties = ('command',)

register_widget('ttk.Scale', TTKScale, 'Scale', ('Control & Display', 'ttk'))


class TTKSeparator(TTKWidgetBO):
    OPTIONS_SPECIFIC = ('orient',)
    class_ = ttk.Separator
    container = False
    properties = TTKWidgetBO.OPTIONS_STANDARD + OPTIONS_SPECIFIC

register_widget('ttk.Separator', TTKSeparator,
                'Separator', ('Control & Display', 'ttk'))


class TTKLabelframe(TTKWidgetBO):
    OPTIONS_STANDARD = TTKFrame.OPTIONS_STANDARD
    OPTIONS_SPECIFIC = (TTKFrame.OPTIONS_SPECIFIC +
                        ('labelanchor', 'text', 'underline'))
    class_ = ttk.Labelframe
    container = True
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC

def set_heading(self, col_id, attrs):
        if self._headings is None:
            self._headings = OrderedDict()
        self._headings[col_id] = attrs


register_widget('ttk.Treeview', TTKTreeviewBO,
                'Treeview', ('Control & Display', 'ttk'))


#
# Helpers for Standard ttk widgets
#

class TTKPanedwindowPane(TTKWidgetBO, PanedWindowPaneBO):
    OPTIONS_STANDARD = tuple()
    OPTIONS_SPECIFIC = ('weight',)
    class_ = None
    container = True
    allowed_parents = ('ttk.Panedwindow',)
    maxchildren = 1
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC

register_widget('ttk.Panedwindow.Pane', TTKPanedwindowPane,
                'Panedwindow.Pane', ('Pygubu Helpers', 'ttk'))


class TTKNotebookTab(TTKWidgetBO):
    OPTIONS_STANDARD = tuple()
    OPTIONS_SPECIFIC = ('state', 'sticky', 'padding', 'text',
                        'image', 'compound', 'underline')

'Separator', ('Control & Display', 'ttk'))


class TTKLabelframe(TTKWidgetBO):
    OPTIONS_STANDARD = TTKFrame.OPTIONS_STANDARD
    OPTIONS_SPECIFIC = (TTKFrame.OPTIONS_SPECIFIC +
                        ('labelanchor', 'text', 'underline'))
    class_ = ttk.Labelframe
    container = True
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC

register_widget('ttk.Labelframe', TTKLabelframe,
                'Labelframe', ('Containers', 'ttk'))


class TTKPanedwindow(TTKWidgetBO, PanedWindowBO):
    OPTIONS_SPECIFIC = ('orient', 'height', 'width')
    class_ = ttk.Panedwindow
    allowed_children = ('ttk.Panedwindow.Pane',)
    properties = TTKWidgetBO.OPTIONS_STANDARD + OPTIONS_SPECIFIC
    ro_properties = ('class_', 'orient')

register_widget('ttk.Panedwindow', TTKPanedwindow,
                'Panedwindow', ('Containers', 'ttk'))


class TTKNotebook(TTKWidgetBO):
    OPTIONS_SPECIFIC = ('height', 'padding', 'width')
    class_ = ttk.Notebook
    container = True
    allow_container_layout = False
    allowed_children = ('ttk.Notebook.Tab',)

class TTKRadiobutton(TTKWidgetBO):
    OPTIONS_STANDARD = (TTKWidgetBO.OPTIONS_STANDARD +
                        TTKWidgetBO.OPTIONS_LABEL +
                        TTKWidgetBO.OPTIONS_COMPATIBILITY)
    OPTIONS_SPECIFIC = ('command', 'value', 'variable')
    class_ = ttk.Radiobutton
    container = False
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC
    ro_properties = ('class_',)
    command_properties = ('command',)

register_widget('ttk.Radiobutton', TTKRadiobutton,
                'Radiobutton', ('Control & Display', 'ttk'))


class TTKCombobox(TTKWidgetBO):
    OPTIONS_SPECIFIC = ('exportselection', 'justify', 'height',
                        'postcommand', 'state', 'textvariable', 'values',
                        'width', 'validate', 'validatecommand',
                        'invalidcommand', 'xscrollcommand')
    OPTIONS_CUSTOM = ('validatecommand_args', 'invalidcommand_args')
    class_ = ttk.Combobox
    container = False
    properties = (TTKWidgetBO.OPTIONS_STANDARD + OPTIONS_SPECIFIC +
                  OPTIONS_CUSTOM)
    command_properties = ('postcommand', 'validatecommand',
                          'invalidcommand', 'xscrollcommand')

    def _set_property(self, target_widget, pname, value):
        if pname in ('validatecommand_args', 'invalidcommand_args'):
            pass
        else:

'Panedwindow', ('Containers', 'ttk'))


class TTKNotebook(TTKWidgetBO):
    OPTIONS_SPECIFIC = ('height', 'padding', 'width')
    class_ = ttk.Notebook
    container = True
    allow_container_layout = False
    allowed_children = ('ttk.Notebook.Tab',)
    properties = TTKWidgetBO.OPTIONS_STANDARD + OPTIONS_SPECIFIC

register_widget('ttk.Notebook', TTKNotebook,
                'Notebook', ('Containers', 'ttk'))


class TTKMenubuttonBO(TTKWidgetBO):
    OPTIONS_STANDARD = (TTKWidgetBO.OPTIONS_STANDARD +
                        TTKWidgetBO.OPTIONS_LABEL +
                        TTKWidgetBO.OPTIONS_COMPATIBILITY)
    OPTIONS_SPECIFIC = ('direction',)  # 'menu'
    class_ = ttk.Menubutton
    container = False
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC
    allowed_children = ('tk.Menu',)
    maxchildren = 1

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

register_widget('ttk.Menubutton', TTKMenubuttonBO,
                'Menubutton', ('Menu', 'Control & Display', 'ttk',))

OPTIONS_STANDARD = TTKWidgetBO.OPTIONS_STANDARD + ('xscrollcommand',)
    OPTIONS_SPECIFIC = ('exportselection', 'font', 'invalidcommand',
                        'justify', 'show', 'state', 'textvariable',
                        'validate', 'validatecommand', 'width')
    OPTIONS_CUSTOM = ('text', 'validatecommand_args', 'invalidcommand_args')
    class_ = ttk.Entry
    container = False
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC + OPTIONS_CUSTOM
    command_properties = ('validatecommand', 'invalidcommand',
                          'xscrollcommand')


register_widget('ttk.Entry', TTKEntry, 'Entry', ('Control & Display', 'ttk'))


class TTKProgressbar(TTKWidgetBO):
    OPTIONS_SPECIFIC = ('orient', 'length', 'mode', 'maximum',
                        'value', 'variable')  # 'phase' is read-only
    class_ = ttk.Progressbar
    container = False
    properties = TTKWidgetBO.OPTIONS_STANDARD + OPTIONS_SPECIFIC

register_widget('ttk.Progressbar', TTKProgressbar,
                'Progressbar', ('Control & Display', 'ttk'))


class TTKScale(TTKWidgetBO):
    OPTIONS_SPECIFIC = ('command', 'from_', 'length', 'orient',
                        'to', 'value', 'variable')
    class_ = ttk.Scale
    container = False
    properties = TTKWidgetBO.OPTIONS_STANDARD + OPTIONS_SPECIFIC

class TTKScrollbar(TTKWidgetBO):
    OPTIONS_SPECIFIC = ('command', 'orient')
    class_ = ttk.Scrollbar
    container = False
    properties = TTKWidgetBO.OPTIONS_STANDARD + OPTIONS_SPECIFIC
    command_properties = ('command',)

register_widget('ttk.Scrollbar', TTKScrollbar,
                'Scrollbar', ('Control & Display', 'ttk'))


class TTKSizegrip(TTKWidgetBO):
    class_ = ttk.Sizegrip
    container = False
    properties = (TTKWidgetBO.OPTIONS_STANDARD +
                  TTKWidgetBO.OPTIONS_SPECIFIC)

register_widget('ttk.Sizegrip', TTKSizegrip,
                'Sizegrip', ('Control & Display', 'ttk'))


class TTKEntry(TTKWidgetBO, EntryBaseBO):
    OPTIONS_STANDARD = TTKWidgetBO.OPTIONS_STANDARD + ('xscrollcommand',)
    OPTIONS_SPECIFIC = ('exportselection', 'font', 'invalidcommand',
                        'justify', 'show', 'state', 'textvariable',
                        'validate', 'validatecommand', 'width')
    OPTIONS_CUSTOM = ('text', 'validatecommand_args', 'invalidcommand_args')
    class_ = ttk.Entry
    container = False
    properties = OPTIONS_STANDARD + OPTIONS_SPECIFIC + OPTIONS_CUSTOM
    command_properties = ('validatecommand', 'invalidcommand',
                          'xscrollcommand')