49 lines
1.8 KiB
Python
49 lines
1.8 KiB
Python
omprehensively adds a new logging level to the `logging` module and the
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currently configured logging class.
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`levelName` becomes an attribute of the `logging` module with the value
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`levelNum`. `methodName` becomes a convenience method for both `logging`
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itself and the class returned by `logging.getLoggerClass()` (usually just
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`logging.Logger`). If `methodName` is not specified, `levelName.lower()` is
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used.
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To avoid accidental clobberings of existing attributes, this method will
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raise an `AttributeError` if the level name is already an attribute of the
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`logging` module or if the method name is already present
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Example
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-------
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>>> addLoggingLevel('TRACE', logging.DEBUG - 5)
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>>> logging.getLogger(__name__).setLevel("TRACE")
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>>> logging.getLogger(__name__).trace('that worked')
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>>> logging.trace('so did this')
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>>> logging.TRACE
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5
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"""
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if not methodName:
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methodName = levelName.lower()
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if hasattr(logging, levelName):
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raise AttributeError(
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'{} already defined in logging module'.format(levelName))
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if hasattr(logging, methodName):
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raise AttributeError(
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'{} already defined in logging module'.format(methodName))
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if hasattr(logging.getLoggerClass(), methodName):
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raise AttributeError(
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'{} already defined in logger class'.format(methodName))
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def logForLevel(self, message, *args, **kwargs):
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if self.isEnabledFor(levelNum):
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self._log(levelNum, message, args, **kwargs)
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def logToRoot(message, *args, **kwargs):
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logging.log(levelNum, message, *args, **kwargs)
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logging.addLevelName(levelNum, levelName)
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setattr(logging, levelName, levelNum)
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setattr(logging.getLoggerClass(), methodName, logForLevel)
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setattr(logging, methodName, logToRoot)
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