superset/utils/url_map_converters.py

# Licensed to the Apache Software Foundation (ASF) under one
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# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
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from typing import Any, List

from werkzeug.routing import BaseConverter, Map

from superset.models.tags import ObjectTypes


class RegexConverter(BaseConverter):
    def __init__(self, url_map: Map, *items: List[str]) -> None:
        super(RegexConverter, self).__init__(url_map)  # type: ignore
        self.regex = items[0]


class ObjectTypeConverter(BaseConverter):
    """Validate that object_type is indeed an object type."""

    def to_python(self, value: str) -> Any:
        return ObjectTypes[value]

    def to_url(self, value: Any) -> str:
        return value.name