/usr/lib/python2.7/dist-packages/oslotest/log.py is in python-oslotest 1:2.3.0-0ubuntu1.
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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 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | # Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import logging
import os
import fixtures
_TRUE_VALUES = ('True', 'true', '1', 'yes')
_FALSE_VALUES = ('False', 'false', '0', 'no')
_BASE_LOG_LEVELS = ('DEBUG', 'INFO', 'WARN', 'WARNING', 'ERROR', 'CRITICAL')
_LOG_LEVELS = dict((n, getattr(logging, n)) for n in _BASE_LOG_LEVELS)
_LOG_LEVELS.update({
'TRACE': 5,
})
def _try_int(value):
"""Try to make some value into an int."""
try:
return int(value)
except (ValueError, TypeError):
return None
class ConfigureLogging(fixtures.Fixture):
"""Configure logging.
The behavior is managed through two environment variables. If
``OS_DEBUG`` is true then the logging level is set to debug. If
``OS_LOG_CAPTURE`` is true a FakeLogger is configured. Alternatively,
``OS_DEBUG`` can be set to an explicit log level, such as ``INFO``.
"True" values include ``True``, ``true``, ``1`` and ``yes``.
Valid log levels include ``DEBUG``, ``INFO``, ``WARNING``, ``ERROR``,
``TRACE`` and ``CRITICAL`` (or any other valid integer logging level).
.. py:attribute:: logger
The logger fixture, if it is created.
.. py:attribute:: level
``logging.DEBUG`` if debug logging is enabled, otherwise
the log level specified by ``OS_DEBUG``, otherwise ``None``.
:param format: The logging format string to use.
"""
DEFAULT_FORMAT = "%(levelname)8s [%(name)s] %(message)s"
"""Default log format"""
def __init__(self, format=DEFAULT_FORMAT):
super(ConfigureLogging, self).__init__()
self._format = format
self.level = None
_os_debug = os.environ.get('OS_DEBUG')
_os_level = _try_int(_os_debug)
if _os_debug in _TRUE_VALUES:
self.level = logging.DEBUG
elif _os_level is not None:
self.level = _os_level
elif _os_debug in _LOG_LEVELS:
self.level = _LOG_LEVELS[_os_debug]
elif _os_debug and _os_debug not in _FALSE_VALUES:
raise ValueError('OS_DEBUG=%s is invalid.' % (_os_debug))
self.capture_logs = os.environ.get('OS_LOG_CAPTURE') in _TRUE_VALUES
self.logger = None
def setUp(self):
super(ConfigureLogging, self).setUp()
if self.capture_logs:
self.logger = self.useFixture(
fixtures.FakeLogger(
format=self._format,
level=self.level,
nuke_handlers=True,
)
)
else:
logging.basicConfig(format=self._format, level=self.level)
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