@utilities.arguments_not_none<EOL><INDENT>def set_description(self, description):<DEDENT>
if self.get_description_metadata().is_read_only():<EOL><INDENT>raise errors.NoAccess()<EOL><DEDENT>if not self._is_valid_string(description,<EOL>self.get_description_metadata()):<EOL><INDENT>raise errors.InvalidArgument()<EOL><DEDENT>self._my_map['<STR_LIT:description>']['<STR_LIT:text>'] = description<EOL>
Sets a description.

        arg:    description (string): the new description
        raise:  InvalidArgument - ``description`` is invalid
        raise:  NoAccess - ``description`` cannot be modified
        raise:  NullArgument - ``description`` is ``null``
        *compliance: mandatory -- This method must be implemented.*