LOGGING = {
    'handlers' = {
        'file': {
            'level': 'DEBUG',
            'class': 'logging.FileHandler',
            'filename': 'mysite.log',
            'formatter': 'verbose'
        },
        'console':{
            'level': 'DEBUG',
            'class': 'logging.StreamHandler',
        },
    },
    (...)
    'loggers'={
        (...)
        'page_processors': {
            'handlers': ['console','file'],
            'level': 'DEBUG',
        }
    }
    (...)
}

import logging
logger = logging.getLogger(__name__)

@process_for(MyPage):
def myfunc(request, Page):
    logger.info('page_processor logging test')
    print 'my page_processor print'
    (...)

[02/Mar/2014 23:07:10] INFO [myApp.page_processors:13] page_progessor logging test

'handlers':{
    (...)
    'console':{
        'level': 'DEBUG',
        'class': 'logging.StreamHandler',
        'stream': sys.stdout
    },
}

logger = logging.getLogger(__name__)

LOGGING = {
    # (...)
    'loggers': {
        # (...)
        'myApp.page_processors': {
            'handlers': ['console','file'],
            'level': 'DEBUG',
        }
    }
    # (...)
}

import logging, logging.config
import sys

LOGGING = {
    'version': 1,
    'handlers': {
        'console': {
            'class': 'logging.StreamHandler',
            'stream': sys.stdout,
        }
    },
    'root': {
        'handlers': ['console'],
        'level': 'INFO'
    }
}

logging.config.dictConfig(LOGGING)
logging.info('Hello')

LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'handlers': {
        'console': {
            'class': 'logging.StreamHandler',
        },
    },
    'loggers': {
        'app_api': {
            'handlers': ['console'],
            'level': 'INFO',
        },
    },
    }

import logging
logger = logging.getLogger('app_api') #from LOGGING.loggers in settings.py

try:
    one = 1/0
except Exception as e:
    logger.error(e)