#
# Copyright (C) 2015-2020 Smithsonian Astrophysical Observatory
#
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
import logging
import sys
import contextlib
[docs]
def config_logger(name, level=logging.WARNING, stream=sys.stdout, template=None):
if template is None:
template = '{}: %(message)s'.format(name)
logger = logging.getLogger(name)
for handler in logger.handlers:
logger.removeHandler(handler)
fmt = logging.Formatter(template, None)
handler = logging.StreamHandler(stream)
handler.setFormatter(fmt)
logger.addHandler(handler)
logger.setLevel(level)
logger.propagate = False
return logger
[docs]
class SherpaVerbosity(contextlib.AbstractContextManager):
'''Set the output logging level for sherpa as a context.
This changes the logging level globally for all modules in sherpa.
Parameters
----------
loglevel : string or int
New level for logging. Allowed strings are
``DEBUG``, ``INFO``, ``WARNING``, ``ERROR``, and ``CRITICAL``
'''
def __init__(self, level):
self.level = level
self.sherpalog = logging.getLogger('sherpa')
def __enter__(self):
self.old = self.sherpalog.level
self.sherpalog.setLevel(self.level)
def __exit__(self, *args):
self.sherpalog.setLevel(self.old)