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54 lines
1.9 KiB
Python
54 lines
1.9 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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from typing import Any, Union
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from marshmallow import validate, ValidationError
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from superset.utils import json
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class OneOfCaseInsensitive(validate.OneOf):
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"""
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Marshmallow validator that's based on the built-in `OneOf`, but performs
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validation case insensitively.
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"""
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def __call__(self, value: Any) -> str:
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try:
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if (value.lower() if isinstance(value, str) else value) not in [
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choice.lower() if isinstance(choice, str) else choice
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for choice in self.choices
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]:
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raise ValidationError(self._format_error(value))
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except TypeError as error:
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raise ValidationError(self._format_error(value)) from error
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return value
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def validate_json(value: Union[bytes, bytearray, str]) -> None:
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"""
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JSON Validator that can be passed to a Marshmallow `Field`'s validate argument.
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:raises ValidationError: if value is not serializable to JSON
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:param value: an object that should be parseable to JSON
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"""
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try:
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json.validate_json(value)
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except json.JSONDecodeError as ex:
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raise ValidationError("JSON not valid") from ex
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