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zUUID.� N)�Union)�UUID� )� validator�valuec C sB | sdS t | t�rdS zt| �pt�d| �W S ty Y dS w )a� Return whether or not given value is a valid UUID-v4 string.
This validator is based on [WTForms UUID validator][1].
[1]: https://github.com/wtforms/wtforms/blob/master/src/wtforms/validators.py#L539
Examples:
>>> uuid('2bc1c94f-0deb-43e9-92a1-4775189ec9f8')
# Output: True
>>> uuid('2bc1c94f 0deb-43e9-92a1-4775189ec9f8')
# Output: ValidationError(func=uuid, ...)
Args:
value:
UUID string or object to validate.
Returns:
(Literal[True]):
If `value` is a valid UUID.
(ValidationError):
If `value` is an invalid UUID.
> *New in version 0.2.0*.
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