logging - Changing root logger level in submodule python

Question

How can I change root logger level in it's submodule

#main.py
logging.basicConfig(filename=filename,format='%(asctime)s %(levelname)s %(message)s',filemode='w')
logger = logging.getLogger()
logger.setLevel(logging.DEBUG)

After certain event I want to change all the logging to CRITICAL

sub_logger = logging.getLogger('jdm_health')
#submodule.py
if event:
    logger.setLevel(logging.CRITICAL)#root logger

Answer 1

等待大神答复