`astropy.extern.configobj.validate:is_boolean`

source: /astropy/extern/configobj/validate.py :897

Signature

def is_boolean ( value )

Summary

Check if the value represents a boolean.

Extended Summary

>>> vtor.check('boolean', 0)
0
>>> vtor.check('boolean', False)
0
>>> vtor.check('boolean', '0')
0
>>> vtor.check('boolean', 'off')
0
>>> vtor.check('boolean', 'false')
0
>>> vtor.check('boolean', 'no')
0
>>> vtor.check('boolean', 'nO')
0
>>> vtor.check('boolean', 'NO')
0
>>> vtor.check('boolean', 1)
1
>>> vtor.check('boolean', True)
1
>>> vtor.check('boolean', '1')
1
>>> vtor.check('boolean', 'on')
1
>>> vtor.check('boolean', 'true')
1
>>> vtor.check('boolean', 'yes')
1
>>> vtor.check('boolean', 'Yes')
1
>>> vtor.check('boolean', 'YES')
1
>>> vtor.check('boolean', '')
Traceback (most recent call last):
VdtTypeError: the value "" is of the wrong type.
>>> vtor.check('boolean', 'up')
Traceback (most recent call last):
VdtTypeError: the value "up" is of the wrong type.

Aliases

astropy.config.configuration.validate.is_boolean