[Maya-Python] Re: logging and mayaHandler

[Ofer Koren]

You'll need to remove the existing 'rootHandler' from the root logger which
also outputs to the standard output stream (the script editor). You should
be able to do this by modifying the pymel.conf or programmatically:

del logging.root.handlers[:]



-----Original Message-----
From: python_inside_maya@googlegroups.com
[mailto:python_inside_m...@googlegroups.com] On Behalf Of sberger
Sent: Wednesday, October 28, 2009 9:16 AM
To: python_inside_maya
Subject: [Maya-Python] logging and mayaHandler


Hi guys,  I have setup this logging setup in the __init__.py file of
my mfxMaya package

# setup logging
import logging
import maya.OpenMaya as OpenMaya

MAYA_LOGGING_SETUP = False

class MayaLogHandler(logging.Handler):
    def emit(self, record):
        if record.levelno > logging.ERROR:
            # Critical
            OpenMaya.MGlobal.displayError(record.getMessage())
        elif record.levelno > logging.WARNING:
            # error
            OpenMaya.MGlobal.displayError(record.getMessage())
        elif record.levelno > logging.INFO:
            # warning
            OpenMaya.MGlobal.displayWarning(record.getMessage())
        elif record.levelno <= logging.DEBUG:
            # info and Debug
            OpenMaya.MGlobal.displayInfo(record.getMessage())
        else:
            OpenMaya.MGlobal.displayInfo(record.getMessage())

def setupMayaLogging(loggerName=''):
    global MAYA_LOGGING_SETUP

    log = logging.getLogger(loggerName)
    if MAYA_LOGGING_SETUP:
        return log

    log.addHandler(MayaLogHandler())
    log.setLevel(logging.INFO)
    MAYA_LOGGING_SETUP = True
    return log

# setup the mfxMaya logger
log = setupMayaLogging('mfxMaya')

This allow me to control my logging, and when I use the logging menu
from the pymel.tool I can even change the logging level of my package
which is really nice.

The problem I have is that because of the MayaLogHandler, I get double
logging, one from the handler and one from python. it looks somthing
like that in the script editor:
# Warning: Double underscores are not allowed in a description. #
mfxMaya.io.savesAs : WARNING : Double underscores are not allowed in a
description.

Do you know how I could only force only the MayaLogHandler to output?
I want to use the maya handler so that I can use the Maya color coding
of the warning and error message.

Thanks


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