model.py 文件源码

def _load_name_with_category(self, names, name, category,
                                 snake_case=True):
        """
        Load a name with a given category, possibly renaming it
        if that name is already in use. The name will be stored
        in ``names`` and possibly be set up in ``self._renamed``.

        :type names: set
        :param names: Existing names (Python attributes, properties, or
                      methods) on the resource.
        :type name: string
        :param name: The original name of the value.
        :type category: string
        :param category: The value type, such as 'identifier' or 'action'
        :type snake_case: bool
        :param snake_case: True (default) if the name should be snake cased.
        """
        if snake_case:
            name = xform_name(name)

        if name in names:
            logger.debug('Renaming %s %s %s' % (self.name, category, name))
            self._renamed[(category, name)] = name + '_' + category
            name += '_' + category

            if name in names:
                # This isn't good, let's raise instead of trying to keep
                # renaming this value.
                raise ValueError('Problem renaming {0} {1} to {2}!'.format(
                    self.name, category, name))

        names.add(name)