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48 lines
1.5 KiB
Python
48 lines
1.5 KiB
Python
#
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# All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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# its licensors.
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#
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# For complete copyright and license terms please see the LICENSE at the root of this
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# distribution (the "License"). All use of this software is governed by the License,
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# or, if provided, by the license below or the license accompanying this file. Do not
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# remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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#
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"""
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This file contains utility functions
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"""
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import uuid
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def validate_identifier(identifier: str) -> bool:
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"""
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Determine if the identifier supplied is valid.
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:param identifier: the name which needs to to checked
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:return: bool: if the identifier is valid or not
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"""
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if not identifier:
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return False
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elif len(identifier) > 64:
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return False
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elif not identifier[0].isalpha():
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return False
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else:
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for character in identifier:
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if not (character.isalnum() or character == '_' or character == '-'):
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return False
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return True
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def validate_uuid4(uuid_string: str) -> bool:
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"""
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Determine if the uuid supplied is valid.
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:param uuid_string: the uuid which needs to to checked
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:return: bool: if the uuid is valid or not
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"""
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try:
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val = uuid.UUID(uuid_string, version=4)
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except ValueError:
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return False
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return str(val) == uuid_string
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