/usr/lib/python2.7/dist-packages/nibabel/imageglobals.py is in python-nibabel 2.0.2-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | # emacs: -*- mode: python-mode; py-indent-offset: 4; indent-tabs-mode: nil -*-
# vi: set ft=python sts=4 ts=4 sw=4 et:
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#
# See COPYING file distributed along with the NiBabel package for the
# copyright and license terms.
#
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""" Defaults for images and headers
error_level is the problem level (see BatteryRunners) at which an error will be
raised, by the batteryrunners ``log_raise`` method. Thus a level of 0 will
result in an error for any problem at all, and a level of 50 will mean no errors
will be raised (unless someone's put some strange problem_level > 50 code in).
``logger`` is the default logger (python log instance)
To set the log level (log message appears for problem of level >= log level),
use e.g. ``logger.level = 40``.
As for most loggers, if ``logger.level == 0`` then a default log level is used -
use ``logger.getEffectiveLevel()`` to see what that default is.
Use ``logger.level = 1`` to see all messages.
"""
import logging
error_level = 40
logger = logging.getLogger('nibabel.global')
logger.addHandler(logging.StreamHandler())
class ErrorLevel(object):
""" Context manager to set log error level
"""
def __init__(self, level):
self.level = level
def __enter__(self):
global error_level
self._original_level = error_level
error_level = self.level
def __exit__(self, exc, value, tb):
global error_level
error_level = self._original_level
return False
class LoggingOutputSuppressor(object):
"""Context manager to prevent global logger from printing"""
def __enter__(self):
self.orig_handlers = logger.handlers
for handler in self.orig_handlers:
logger.removeHandler(handler)
def __exit__(self, exc, value, tb):
for handler in self.orig_handlers:
logger.addHandler(handler)
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