Source code for sherpa.utils.logging

# 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
#  GNU General Public License for more details.
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#  with this program; if not, write to the Free Software Foundation, Inc.,
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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)