def _config(props, category=None, disable_existing_loggers=1):
logging.shutdown()
# critical section
# patterned after from logging.config...
logging._acquireLock()
try:
logging._handlers.clear()
del logging._handlerList[:]
# Handlers add themselves to logging._handlers
handlers = _install_handlers(props)
_install_loggers(props, handlers, category, disable_existing_loggers)
except Exception as e:
traceback.print_exc()
raise e
finally:
logging._releaseLock()
python类_releaseLock()的实例源码
def _logging_config(config_parser, disable_existing_loggers=False):
"""
Helper that allows us to use an existing ConfigParser object to load logging
configurations instead of a filename.
Note: this code is essentially copy pasta from `logging.config.fileConfig` except
we skip loading the file.
"""
formatters = logging.config._create_formatters(config_parser)
# critical section
logging._acquireLock()
try:
logging._handlers.clear()
del logging._handlerList[:]
# Handlers add themselves to logging._handlers
handlers = logging.config._install_handlers(config_parser, formatters)
logging.config._install_loggers(config_parser, handlers, disable_existing_loggers)
finally:
logging._releaseLock()
def tearDown(self):
"""Remove our logging stream, and restore the original logging
level."""
self.stream.close()
self.root_logger.removeHandler(self.root_hdlr)
while self.root_logger.handlers:
h = self.root_logger.handlers[0]
self.root_logger.removeHandler(h)
h.close()
self.root_logger.setLevel(self.original_logging_level)
logging._acquireLock()
try:
logging._levelNames.clear()
logging._levelNames.update(self.saved_level_names)
logging._handlers.clear()
logging._handlers.update(self.saved_handlers)
logging._handlerList[:] = self.saved_handler_list
loggerDict = logging.getLogger().manager.loggerDict
loggerDict.clear()
loggerDict.update(self.saved_loggers)
finally:
logging._releaseLock()
def tearDown(self):
"""Remove our logging stream, and restore the original logging
level."""
self.stream.close()
self.root_logger.removeHandler(self.root_hdlr)
while self.root_logger.handlers:
h = self.root_logger.handlers[0]
self.root_logger.removeHandler(h)
h.close()
self.root_logger.setLevel(self.original_logging_level)
logging._acquireLock()
try:
logging._levelNames.clear()
logging._levelNames.update(self.saved_level_names)
logging._handlers.clear()
logging._handlers.update(self.saved_handlers)
logging._handlerList[:] = self.saved_handler_list
loggerDict = logging.getLogger().manager.loggerDict
loggerDict.clear()
loggerDict.update(self.saved_loggers)
finally:
logging._releaseLock()
def tearDown(self):
"""Remove our logging stream, and restore the original logging
level."""
self.stream.close()
self.root_logger.removeHandler(self.root_hdlr)
while self.root_logger.handlers:
h = self.root_logger.handlers[0]
self.root_logger.removeHandler(h)
h.close()
self.root_logger.setLevel(self.original_logging_level)
logging._acquireLock()
try:
logging._levelToName.clear()
logging._levelToName.update(self.saved_level_to_name)
logging._nameToLevel.clear()
logging._nameToLevel.update(self.saved_name_to_level)
logging._handlers.clear()
logging._handlers.update(self.saved_handlers)
logging._handlerList[:] = self.saved_handler_list
loggerDict = logging.getLogger().manager.loggerDict
loggerDict.clear()
loggerDict.update(self.saved_loggers)
finally:
logging._releaseLock()
def tearDown(self):
"""Remove our logging stream, and restore the original logging
level."""
self.stream.close()
self.root_logger.removeHandler(self.root_hdlr)
while self.root_logger.handlers:
h = self.root_logger.handlers[0]
self.root_logger.removeHandler(h)
h.close()
self.root_logger.setLevel(self.original_logging_level)
logging._acquireLock()
try:
logging._levelNames.clear()
logging._levelNames.update(self.saved_level_names)
logging._handlers.clear()
logging._handlers.update(self.saved_handlers)
logging._handlerList[:] = self.saved_handler_list
loggerDict = logging.getLogger().manager.loggerDict
loggerDict.clear()
loggerDict.update(self.saved_loggers)
finally:
logging._releaseLock()
def get_logger():
'''
Returns logger used by multiprocessing
'''
global _logger
import logging, atexit
logging._acquireLock()
try:
if not _logger:
_logger = logging.getLogger(LOGGER_NAME)
_logger.propagate = 0
logging.addLevelName(SUBDEBUG, 'SUBDEBUG')
logging.addLevelName(SUBWARNING, 'SUBWARNING')
# XXX multiprocessing should cleanup before logging
if hasattr(atexit, 'unregister'):
atexit.unregister(_exit_function)
atexit.register(_exit_function)
else:
atexit._exithandlers.remove((_exit_function, (), {}))
atexit._exithandlers.append((_exit_function, (), {}))
finally:
logging._releaseLock()
return _logger
def fileConfig(fname, defaults=None, disable_existing_loggers=True):
"""
Read the logging configuration from a ConfigParser-format file.
This can be called several times from an application, allowing an end user
the ability to select from various pre-canned configurations (if the
developer provides a mechanism to present the choices and load the chosen
configuration).
"""
import ConfigParser
cp = ConfigParser.ConfigParser(defaults)
if hasattr(fname, 'readline'):
cp.readfp(fname)
else:
cp.read(fname)
formatters = _create_formatters(cp)
# critical section
logging._acquireLock()
try:
logging._handlers.clear()
del logging._handlerList[:]
# Handlers add themselves to logging._handlers
handlers = _install_handlers(cp, formatters)
_install_loggers(cp, handlers, disable_existing_loggers)
finally:
logging._releaseLock()
def stopListening():
"""
Stop the listening server which was created with a call to listen().
"""
global _listener
logging._acquireLock()
try:
if _listener:
_listener.abort = 1
_listener = None
finally:
logging._releaseLock()
def get_logger():
'''
Returns logger used by multiprocessing
'''
global _logger
import logging, atexit
logging._acquireLock()
try:
if not _logger:
_logger = logging.getLogger(LOGGER_NAME)
_logger.propagate = 0
logging.addLevelName(SUBDEBUG, 'SUBDEBUG')
logging.addLevelName(SUBWARNING, 'SUBWARNING')
# XXX multiprocessing should cleanup before logging
if hasattr(atexit, 'unregister'):
atexit.unregister(_exit_function)
atexit.register(_exit_function)
else:
atexit._exithandlers.remove((_exit_function, (), {}))
atexit._exithandlers.append((_exit_function, (), {}))
finally:
logging._releaseLock()
return _logger
def fileConfig(fname, defaults=None, disable_existing_loggers=True):
"""
Read the logging configuration from a ConfigParser-format file.
This can be called several times from an application, allowing an end user
the ability to select from various pre-canned configurations (if the
developer provides a mechanism to present the choices and load the chosen
configuration).
"""
import ConfigParser
cp = ConfigParser.ConfigParser(defaults)
if hasattr(fname, 'readline'):
cp.readfp(fname)
else:
cp.read(fname)
formatters = _create_formatters(cp)
# critical section
logging._acquireLock()
try:
logging._handlers.clear()
del logging._handlerList[:]
# Handlers add themselves to logging._handlers
handlers = _install_handlers(cp, formatters)
_install_loggers(cp, handlers, disable_existing_loggers)
finally:
logging._releaseLock()
def stopListening():
"""
Stop the listening server which was created with a call to listen().
"""
global _listener
logging._acquireLock()
try:
if _listener:
_listener.abort = 1
_listener = None
finally:
logging._releaseLock()
def get_logger():
'''
Returns logger used by multiprocessing
'''
global _logger
import logging, atexit
logging._acquireLock()
try:
if not _logger:
_logger = logging.getLogger(LOGGER_NAME)
_logger.propagate = 0
logging.addLevelName(SUBDEBUG, 'SUBDEBUG')
logging.addLevelName(SUBWARNING, 'SUBWARNING')
# XXX multiprocessing should cleanup before logging
if hasattr(atexit, 'unregister'):
atexit.unregister(_exit_function)
atexit.register(_exit_function)
else:
atexit._exithandlers.remove((_exit_function, (), {}))
atexit._exithandlers.append((_exit_function, (), {}))
finally:
logging._releaseLock()
return _logger
def setUp(self):
"""Setup the default logging stream to an internal StringIO instance,
so that we can examine log output as we want."""
logger_dict = logging.getLogger().manager.loggerDict
logging._acquireLock()
try:
self.saved_handlers = logging._handlers.copy()
self.saved_handler_list = logging._handlerList[:]
self.saved_loggers = saved_loggers = logger_dict.copy()
self.saved_name_to_level = logging._nameToLevel.copy()
self.saved_level_to_name = logging._levelToName.copy()
self.logger_states = logger_states = {}
for name in saved_loggers:
logger_states[name] = getattr(saved_loggers[name],
'disabled', None)
finally:
logging._releaseLock()
# Set two unused loggers: one non-ASCII and one Unicode.
# This is to test correct operation when sorting existing
# loggers in the configuration code. See issue 8201.
self.logger1 = logging.getLogger("\xab\xd7\xbb")
self.logger2 = logging.getLogger("\u013f\u00d6\u0047")
self.root_logger = logging.getLogger("")
self.original_logging_level = self.root_logger.getEffectiveLevel()
self.stream = io.StringIO()
self.root_logger.setLevel(logging.DEBUG)
self.root_hdlr = logging.StreamHandler(self.stream)
self.root_formatter = logging.Formatter(self.log_format)
self.root_hdlr.setFormatter(self.root_formatter)
if self.logger1.hasHandlers():
hlist = self.logger1.handlers + self.root_logger.handlers
raise AssertionError('Unexpected handlers: %s' % hlist)
if self.logger2.hasHandlers():
hlist = self.logger2.handlers + self.root_logger.handlers
raise AssertionError('Unexpected handlers: %s' % hlist)
self.root_logger.addHandler(self.root_hdlr)
self.assertTrue(self.logger1.hasHandlers())
self.assertTrue(self.logger2.hasHandlers())
def tearDown(self):
"""Remove our logging stream, and restore the original logging
level."""
self.stream.close()
self.root_logger.removeHandler(self.root_hdlr)
while self.root_logger.handlers:
h = self.root_logger.handlers[0]
self.root_logger.removeHandler(h)
h.close()
self.root_logger.setLevel(self.original_logging_level)
logging._acquireLock()
try:
logging._levelToName.clear()
logging._levelToName.update(self.saved_level_to_name)
logging._nameToLevel.clear()
logging._nameToLevel.update(self.saved_name_to_level)
logging._handlers.clear()
logging._handlers.update(self.saved_handlers)
logging._handlerList[:] = self.saved_handler_list
loggerDict = logging.getLogger().manager.loggerDict
loggerDict.clear()
loggerDict.update(self.saved_loggers)
logger_states = self.logger_states
for name in self.logger_states:
if logger_states[name] is not None:
self.saved_loggers[name].disabled = logger_states[name]
finally:
logging._releaseLock()
def fileConfig(fname, defaults=None, disable_existing_loggers=True):
"""
Read the logging configuration from a ConfigParser-format file.
This can be called several times from an application, allowing an end user
the ability to select from various pre-canned configurations (if the
developer provides a mechanism to present the choices and load the chosen
configuration).
"""
import configparser
cp = configparser.ConfigParser(defaults)
if hasattr(fname, 'readline'):
cp.read_file(fname)
else:
cp.read(fname)
formatters = _create_formatters(cp)
# critical section
logging._acquireLock()
try:
logging._handlers.clear()
del logging._handlerList[:]
# Handlers add themselves to logging._handlers
handlers = _install_handlers(cp, formatters)
_install_loggers(cp, handlers, disable_existing_loggers)
finally:
logging._releaseLock()
def stopListening():
"""
Stop the listening server which was created with a call to listen().
"""
global _listener
logging._acquireLock()
try:
if _listener:
_listener.abort = 1
_listener = None
finally:
logging._releaseLock()
def get_logger():
'''
Returns logger used by multiprocessing
'''
global _logger
import logging, atexit
logging._acquireLock()
try:
if not _logger:
_logger = logging.getLogger(LOGGER_NAME)
_logger.propagate = 0
logging.addLevelName(SUBDEBUG, 'SUBDEBUG')
logging.addLevelName(SUBWARNING, 'SUBWARNING')
# XXX multiprocessing should cleanup before logging
if hasattr(atexit, 'unregister'):
atexit.unregister(_exit_function)
atexit.register(_exit_function)
else:
atexit._exithandlers.remove((_exit_function, (), {}))
atexit._exithandlers.append((_exit_function, (), {}))
finally:
logging._releaseLock()
return _logger
def setUp(self):
"""Setup the default logging stream to an internal StringIO instance,
so that we can examine log output as we want."""
logger_dict = logging.getLogger().manager.loggerDict
logging._acquireLock()
try:
self.saved_handlers = logging._handlers.copy()
self.saved_handler_list = logging._handlerList[:]
self.saved_loggers = logger_dict.copy()
self.saved_level_names = logging._levelNames.copy()
finally:
logging._releaseLock()
# Set two unused loggers: one non-ASCII and one Unicode.
# This is to test correct operation when sorting existing
# loggers in the configuration code. See issue 8201.
logging.getLogger("\xab\xd7\xbb")
logging.getLogger(u"\u013f\u00d6\u0047")
self.root_logger = logging.getLogger("")
self.original_logging_level = self.root_logger.getEffectiveLevel()
self.stream = cStringIO.StringIO()
self.root_logger.setLevel(logging.DEBUG)
self.root_hdlr = logging.StreamHandler(self.stream)
self.root_formatter = logging.Formatter(self.log_format)
self.root_hdlr.setFormatter(self.root_formatter)
self.root_logger.addHandler(self.root_hdlr)
def fileConfig(fname, defaults=None, disable_existing_loggers=True):
"""
Read the logging configuration from a ConfigParser-format file.
This can be called several times from an application, allowing an end user
the ability to select from various pre-canned configurations (if the
developer provides a mechanism to present the choices and load the chosen
configuration).
"""
import ConfigParser
cp = ConfigParser.ConfigParser(defaults)
if hasattr(fname, 'readline'):
cp.readfp(fname)
else:
cp.read(fname)
formatters = _create_formatters(cp)
# critical section
logging._acquireLock()
try:
logging._handlers.clear()
del logging._handlerList[:]
# Handlers add themselves to logging._handlers
handlers = _install_handlers(cp, formatters)
_install_loggers(cp, handlers, disable_existing_loggers)
finally:
logging._releaseLock()
def stopListening():
"""
Stop the listening server which was created with a call to listen().
"""
global _listener
logging._acquireLock()
try:
if _listener:
_listener.abort = 1
_listener = None
finally:
logging._releaseLock()
def get_logger():
'''
Returns logger used by multiprocessing
'''
global _logger
import logging, atexit
logging._acquireLock()
try:
if not _logger:
_logger = logging.getLogger(LOGGER_NAME)
_logger.propagate = 0
logging.addLevelName(SUBDEBUG, 'SUBDEBUG')
logging.addLevelName(SUBWARNING, 'SUBWARNING')
# XXX multiprocessing should cleanup before logging
if hasattr(atexit, 'unregister'):
atexit.unregister(_exit_function)
atexit.register(_exit_function)
else:
atexit._exithandlers.remove((_exit_function, (), {}))
atexit._exithandlers.append((_exit_function, (), {}))
finally:
logging._releaseLock()
return _logger
def setUp(self):
"""Setup the default logging stream to an internal StringIO instance,
so that we can examine log output as we want."""
logger_dict = logging.getLogger().manager.loggerDict
logging._acquireLock()
try:
self.saved_handlers = logging._handlers.copy()
self.saved_handler_list = logging._handlerList[:]
self.saved_loggers = logger_dict.copy()
self.saved_level_names = logging._levelNames.copy()
finally:
logging._releaseLock()
# Set two unused loggers: one non-ASCII and one Unicode.
# This is to test correct operation when sorting existing
# loggers in the configuration code. See issue 8201.
logging.getLogger("\xab\xd7\xbb")
logging.getLogger(u"\u013f\u00d6\u0047")
self.root_logger = logging.getLogger("")
self.original_logging_level = self.root_logger.getEffectiveLevel()
self.stream = cStringIO.StringIO()
self.root_logger.setLevel(logging.DEBUG)
self.root_hdlr = logging.StreamHandler(self.stream)
self.root_formatter = logging.Formatter(self.log_format)
self.root_hdlr.setFormatter(self.root_formatter)
self.root_logger.addHandler(self.root_hdlr)
def fileConfig(fname, defaults=None, disable_existing_loggers=True):
"""
Read the logging configuration from a ConfigParser-format file.
This can be called several times from an application, allowing an end user
the ability to select from various pre-canned configurations (if the
developer provides a mechanism to present the choices and load the chosen
configuration).
"""
import ConfigParser
cp = ConfigParser.ConfigParser(defaults)
if hasattr(fname, 'readline'):
cp.readfp(fname)
else:
cp.read(fname)
formatters = _create_formatters(cp)
# critical section
logging._acquireLock()
try:
logging._handlers.clear()
del logging._handlerList[:]
# Handlers add themselves to logging._handlers
handlers = _install_handlers(cp, formatters)
_install_loggers(cp, handlers, disable_existing_loggers)
finally:
logging._releaseLock()
def stopListening():
"""
Stop the listening server which was created with a call to listen().
"""
global _listener
logging._acquireLock()
try:
if _listener:
_listener.abort = 1
_listener = None
finally:
logging._releaseLock()
def dataToStdout(data, forceOutput=False, bold=False, content_type=None, status=CONTENT_STATUS.IN_PROGRESS):
"""
Writes text to the stdout (console) stream
"""
message = ""
if not kb.get("threadException"):
if forceOutput or not getCurrentThreadData().disableStdOut:
if kb.get("multiThreadMode"):
logging._acquireLock()
if isinstance(data, unicode):
message = stdoutencode(data)
else:
message = data
try:
if conf.get("api"):
sys.stdout.write(message, status, content_type)
else:
sys.stdout.write(setColor(message, bold))
sys.stdout.flush()
except IOError:
pass
if kb.get("multiThreadMode"):
logging._releaseLock()
kb.prependFlag = isinstance(data, basestring) and (len(data) == 1 and data not in ('\n', '\r') or len(data) > 2 and data[0] == '\r' and data[-1] != '\n')
def get_logger():
'''
Returns logger used by multiprocessing
'''
global _logger
import logging, atexit
logging._acquireLock()
try:
if not _logger:
_logger = logging.getLogger(LOGGER_NAME)
_logger.propagate = 0
logging.addLevelName(SUBDEBUG, 'SUBDEBUG')
logging.addLevelName(SUBWARNING, 'SUBWARNING')
# XXX multiprocessing should cleanup before logging
if hasattr(atexit, 'unregister'):
atexit.unregister(_exit_function)
atexit.register(_exit_function)
else:
atexit._exithandlers.remove((_exit_function, (), {}))
atexit._exithandlers.append((_exit_function, (), {}))
finally:
logging._releaseLock()
return _logger
def fileConfig(fname, defaults=None, disable_existing_loggers=True):
"""
Read the logging configuration from a ConfigParser-format file.
This can be called several times from an application, allowing an end user
the ability to select from various pre-canned configurations (if the
developer provides a mechanism to present the choices and load the chosen
configuration).
"""
import ConfigParser
cp = ConfigParser.ConfigParser(defaults)
if hasattr(fname, 'readline'):
cp.readfp(fname)
else:
cp.read(fname)
formatters = _create_formatters(cp)
# critical section
logging._acquireLock()
try:
logging._handlers.clear()
del logging._handlerList[:]
# Handlers add themselves to logging._handlers
handlers = _install_handlers(cp, formatters)
_install_loggers(cp, handlers, disable_existing_loggers)
finally:
logging._releaseLock()
def stopListening():
"""
Stop the listening server which was created with a call to listen().
"""
global _listener
logging._acquireLock()
try:
if _listener:
_listener.abort = 1
_listener = None
finally:
logging._releaseLock()
def get_logger():
'''
Returns logger used by multiprocessing
'''
global _logger
import logging
logging._acquireLock()
try:
if not _logger:
_logger = logging.getLogger(LOGGER_NAME)
_logger.propagate = 0
logging.addLevelName(SUBDEBUG, 'SUBDEBUG')
logging.addLevelName(SUBWARNING, 'SUBWARNING')
# XXX multiprocessing should cleanup before logging
if hasattr(atexit, 'unregister'):
atexit.unregister(_exit_function)
atexit.register(_exit_function)
else:
atexit._exithandlers.remove((_exit_function, (), {}))
atexit._exithandlers.append((_exit_function, (), {}))
finally:
logging._releaseLock()
return _logger
