logger.py

# Logger specific - good for production
import logging

def config_logger(name='', level=logging.INFO, _format='%(message)s', handler=logging.StreamHandler, propagate=True):
    ''' configures a logger '''
    _handler = handler()
    _handler.setFormatter(logging.Formatter(_format))
    _logger = logging.getLogger(name)
    _logger.addHandler(_handler)
    _logger.setLevel(level)
    _logger.propagate = propagate
    return _logger

logger = config_logger( # pylint: disable=invalid-name
    name='foo.bar',
    level=logging.DEBUG,
    _format='%(levelname)s - [%(processName)s(%(process)d)] [%(asctime)s] - %(filename)s:%(lineno)d: %(message)s'
)
logger.debug('hello world!')


# Global - not a good practice - just to debug
import logging

logging.basicConfig(level=logging.DEBUG, format='%(asctime)s - %(levelname)s -%(filename)s:%(lineno)d - %(message)s')
logging.debug('hello world!')