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# -*- test-case-name: twisted.logger.test -*-
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
Twisted Logger: Classes and functions to do granular logging.
Example usage in a module C{some.module}::
from twisted.logger import Logger
log = Logger()
def handleData(data):
log.debug("Got data: {data!r}.", data=data)
Or in a class::
from twisted.logger import Logger
class Foo:
log = Logger()
def oops(self, data):
self.log.error("Oops! Invalid data from server: {data!r}",
data=data)
C{Logger}s have namespaces, for which logging can be configured independently.
Namespaces may be specified by passing in a C{namespace} argument to L{Logger}
when instantiating it, but if none is given, the logger will derive its own
namespace by using the module name of the callable that instantiated it, or, in
the case of a class, by using the fully qualified name of the class.
In the first example above, the namespace would be C{some.module}, and in the
second example, it would be C{some.module.Foo}.
@var globalLogPublisher: The L{LogPublisher} that all L{Logger} instances that
are not otherwise parameterized will publish events to by default.
@var globalLogBeginner: The L{LogBeginner} used to activate the main log
observer, whether it's a log file, or an observer pointing at stderr.
"""
__all__ = [
# From ._levels
"InvalidLogLevelError",
"LogLevel",
# From ._format
"formatEvent",
"formatEventAsClassicLogText",
"formatTime",
"timeFormatRFC3339",
"eventAsText",
# From ._flatten
"extractField",
# From ._interfaces
"ILogObserver",
"LogEvent",
# From ._logger
"Logger",
"_loggerFor",
# From ._observer
"LogPublisher",
# From ._buffer
"LimitedHistoryLogObserver",
# From ._file
"FileLogObserver",
"textFileLogObserver",
# From ._filter
"PredicateResult",
"ILogFilterPredicate",
"FilteringLogObserver",
"LogLevelFilterPredicate",
# From ._stdlib
"STDLibLogObserver",
# From ._io
"LoggingFile",
# From ._legacy
"LegacyLogObserverWrapper",
# From ._global
"globalLogPublisher",
"globalLogBeginner",
"LogBeginner",
# From ._json
"eventAsJSON",
"eventFromJSON",
"jsonFileLogObserver",
"eventsFromJSONLogFile",
# From ._capture
"capturedLogs",
]
from ._levels import InvalidLogLevelError, LogLevel
from ._flatten import extractField
from ._format import (
formatEvent,
formatEventAsClassicLogText,
formatTime,
timeFormatRFC3339,
eventAsText,
)
from ._interfaces import ILogObserver, LogEvent
from ._logger import Logger, _loggerFor
from ._observer import LogPublisher
from ._buffer import LimitedHistoryLogObserver
from ._file import FileLogObserver, textFileLogObserver
from ._filter import (
PredicateResult,
ILogFilterPredicate,
FilteringLogObserver,
LogLevelFilterPredicate,
)
from ._stdlib import STDLibLogObserver
from ._io import LoggingFile
from ._legacy import LegacyLogObserverWrapper
from ._global import globalLogPublisher, globalLogBeginner, LogBeginner
from ._json import (
eventAsJSON,
eventFromJSON,
jsonFileLogObserver,
eventsFromJSONLogFile,
)
from ._capture import capturedLogs
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