In [1]:

    

import logging


    

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# create logger
logger = logging.getLogger('pyaf')
lHandler = logging.StreamHandler()
lHandler.setLevel(logging.DEBUG)
logger.addHandler(lHandler)


    

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logger


    

    
Out[3]:





<logging.Logger at 0x7f0f16bb5550>

In [4]:

    

logger.__dict__


    

    
Out[4]:





{'disabled': False,
 'filters': [],
 'handlers': [<logging.StreamHandler at 0x7f0f16bb5588>],
 'level': 0,
 'manager': <logging.Manager at 0x7f0f2493a550>,
 'name': 'pyaf',
 'parent': <logging.RootLogger at 0x7f0f2493a4e0>,
 'propagate': True}

In [5]:

    

# 'application' code
logger.debug('debug message')
logger.info('info message')
logger.warning('warn message')
logger.error('error message')
logger.critical('critical message')


    

    




warn message
error message
critical message

In [6]:

    

logger.handlers[0].__dict__


    

    
Out[6]:





{'_name': None,
 'filters': [],
 'formatter': None,
 'level': 10,
 'lock': <unlocked _thread.RLock object owner=0 count=0 at 0x7f0f16b6dbd0>,
 'stream': <ipykernel.iostream.OutStream at 0x7f0f1ecf3438>}

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# insert some logging
import logging
import logging.config

# remove the notebook root logger.
logger = logging.getLogger()
logger.handlers = [logging.NullHandler()]
#logger.addHandler()

# set default level
# logging.basicConfig(level=logging.NOTSET)
logging.getLogger('pyaf').handlers=[];
logging.getLogger('pyaf.std').handlers=[]; # logging.NullHandler()];


lHandler2 = logging.StreamHandler()
lHandler2.setLevel(logging.INFO)
logging.getLogger('pyaf.hierarchical').handlers = []
logging.getLogger('pyaf.hierarchical').addHandler(lHandler2)


    

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logging.getLogger('pyaf.std').info("OOOO")
logging.getLogger('pyaf.hierarchical').info("FGG")


    

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