def set_default(self, section, option, default_value):
        """
        Set Default value for a given (section, option)
        -> called when a new (section, option) is set and no default exists
        """
        section = self._check_section_option(section, option)
        for sec, options in self.defaults:
            if sec == section:
                options[ option ] = default_value
def set_default ( self , section , option , default_value ) : section = self . _check_section_option ( section , option ) for sec , options in self . defaults : if sec == section : options [ option ] = default_value
Set Default value for a given (section, option)
        -> called when a new (section, option) is set and no default exists