ad2b7fab31
Fix issues in py files in the directories valet/valet/api/common valet/api valet/cli valet/engine/optimizer/ valet/tests/ valet/tests/tempest valet_plugins
44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
#
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# Copyright 2014-2017 AT&T Intellectual Property
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# 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, software
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# distributed under the License 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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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Init."""
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from uuid import UUID
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def is_valid_uuid4(uuid_string):
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"""Validate that a UUID string is in fact a valid uuid4.
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Happily, the uuid module does the actual
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checking for us.
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It is vital that the 'version' kwarg be passed
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to the UUID() call, otherwise any 32-character
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hex string is considered valid.
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"""
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try:
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val = UUID(uuid_string, version=4)
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except ValueError:
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# If it's a value error, then the string
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# is not a valid hex code for a UUID.
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return False
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# If the uuid_string is a valid hex code,
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# but an invalid uuid4,
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# the UUID.__init__ will convert it to a
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# valid uuid4. This is bad for validation purposes.
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return str(val) == uuid_string or val.hex == uuid_string
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