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40 lines
876 B
Python
40 lines
876 B
Python
from .utils import validator
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@validator
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def truthy(value):
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"""
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Validate that given value is not a falsey value.
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This validator is based on `WTForms DataRequired validator`_.
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.. _WTForms DataRequired validator:
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https://github.com/wtforms/wtforms/blob/master/wtforms/validators.py
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Examples::
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>>> truthy(1)
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True
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>>> truthy('someone')
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True
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>>> truthy(0)
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ValidationFailure(func=truthy, args={'value': 0})
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>>> truthy(' ')
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ValidationFailure(func=truthy, args={'value': ' '})
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>>> truthy(False)
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ValidationFailure(func=truthy, args={'value': False})
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>>> truthy(None)
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ValidationFailure(func=truthy, args={'value': None})
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.. versionadded:: 0.2
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"""
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return (
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value and
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(not isinstance(value, str) or value.strip())
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)
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