incubator-superset0.99/superset/utils/url_map_converters.py

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
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# 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 werkzeug.routing import BaseConverter

from superset.models.tags import ObjectTypes


class RegexConverter(BaseConverter):
    def __init__(self, url_map, *items):
        super(RegexConverter, self).__init__(url_map)
        self.regex = items[0]


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

    def to_python(self, value):
        return ObjectTypes[value]

    def to_url(self, value):
        return value.name