class CustomHelpFormat:
    """Customizable help formatter factory."""

    def __init__(self):
        self.indent_increment = 2
        self.max_help_position = 24
        self.width = None
        self.raw_description = False
        self.raw_text = False
        self.arg_defaults = False
        self.metavar_type = False

    def __call__(self, prog):
        formatter = CustomizableHelpFormatter(prog,
                                         indent_increment=self.indent_increment,
                                         max_help_position=self.max_help_position,
                                         width=self.width)
        if self.raw_description:
            formatter.enable_raw_descrption()
        if self.raw_text:
            formatter.enable_raw_text()
        if self.arg_defaults:
            formatter.enable_arg_defaults()
        if self.metavar_type:
            formatter.enable_metavar_type()
        
        return formatter

class CustomizableHelpFormatter(HelpFormatter):
    """Customizable help formatter."""

    def bind_sub(self, method):
        """Bind method from subclass to self."""
        setattr(self, method.__name__, method.__get__(self))

    def enable_raw_descrption(self):
        self.bind_sub(RawDescriptionHelpFormatter._fill_text)

    def enable_raw_text(self):
        self.bind_sub(RawTextHelpFormatter._split_lines)

    def enable_arg_defaults(self):
        self.bind_sub(ArgumentDefaultsHelpFormatter._get_help_string)

    def enable_metavar_type(self):
        self.bind_sub(MetavarTypeHelpFormatter._get_default_metavar_for_optional)
        self.bind_sub(MetavarTypeHelpFormatter._get_default_metavar_for_positional)