def get_schemas(cls, schema_types=None, sort=True):
        """
        Get schemas by type. If ``schema_type`` is None, return all schemas

        :param schema_types: list of schema types
        :type schema_types: list or None
        :param bool sort: sort by name
        :return: list of schemas
        :rtype: list
        """
        result = filter(lambda x: not x.is_inline_array, cls._schemas.values())
        if schema_types:
            result = filter(lambda x: x.schema_type in schema_types, result)
        if sort:
            result = sorted(result, key=attrgetter('name'))
        return result
Get schemas by type. If ``schema_type`` is None, return all schemas

        :param schema_types: list of schema types
        :type schema_types: list or None
        :param bool sort: sort by name
        :return: list of schemas
        :rtype: list