Custom ROS Python logger

my_logger.py

import logging

import rospy

# Messages sent to my_logger will not be directed to stdout.
# They will show up in rqt_console with my_logger associated to the node.
logging.getLogger('my_logger').addHandler(rospy.impl.rosout.RosOutHandler())
logging.getLogger('my_logger').setLevel(logging.INFO)


def timer_callback(event):
    logger = logging.getLogger('my_logger')
    logger.info('Callback at %s', str(event.current_real))


if __name__ == '__main__':
    rospy.init_node('log_test', anonymous=True)
    rospy.Timer(rospy.Duration(1.0), timer_callback)
    rospy.spin()