checkwarns

Contexts for with statement allowing checks for warnings

ErrorWarnings([record, module])	Context manager to check for warnings as errors.
IgnoreWarnings([record, module])	Context manager to ignore warnings

ErrorWarnings

class nibabel.checkwarns.ErrorWarnings(record=True, module=None)

Bases: warnings.catch_warnings

Context manager to check for warnings as errors. Usually used with assert_raises in the with block

Examples

>>> with ErrorWarnings():
...     try:
...         warnings.warn('Message', UserWarning)
...     except UserWarning:
...         print('I consider myself warned')
I consider myself warned

__init__(record=True, module=None)

filter = 'error'

IgnoreWarnings

class nibabel.checkwarns.IgnoreWarnings(record=True, module=None)

Bases: nibabel.checkwarns.ErrorWarnings

Context manager to ignore warnings

Examples

>>> with IgnoreWarnings():
...     warnings.warn('Message', UserWarning)

(and you get no warning)

__init__(record=True, module=None)

filter = 'ignore'