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log: respect child loggers' levels if they are lower than the main one's

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Closes #185.
This commit is contained in:
James Lu 2016-03-25 15:45:26 -07:00
parent 2b16f25b61
commit a4395ed989
1 changed files with 14 additions and 5 deletions
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17
log.py
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@ -20,14 +20,22 @@ curdir = os.path.dirname(os.path.realpath(__file__))
logdir = os.path.join(curdir, 'log') logdir = os.path.join(curdir, 'log')
os.makedirs(logdir, exist_ok=True) os.makedirs(logdir, exist_ok=True)
# Basic logging setup, set up here on first import, logs to STDOUT based
# on the log level configured.
_format = '%(asctime)s [%(levelname)s] %(message)s' _format = '%(asctime)s [%(levelname)s] %(message)s'
logformatter = logging.Formatter(_format) logformatter = logging.Formatter(_format)
logging.basicConfig(level=stdout_level, format=_format)
# Set up logging to STDERR
stdout_handler = logging.StreamHandler()
stdout_handler.setFormatter(logformatter)
stdout_handler.setLevel(stdout_level)
# Get the main logger object; plugins can import this variable for convenience. # Get the main logger object; plugins can import this variable for convenience.
log = logging.getLogger() log = logging.getLogger()
log.addHandler(stdout_handler)
# This is confusing, but we have to set the root logger to accept all events. Only this way
# can other loggers filter out events on their own, instead of having everything dropped by
# the root logger. https://stackoverflow.com/questions/16624695
log.setLevel(1)
def makeFileLogger(filename, level=None): def makeFileLogger(filename, level=None):
""" """
@ -40,7 +48,8 @@ def makeFileLogger(filename, level=None):
filelogger = logging.FileHandler(target, mode='w') filelogger = logging.FileHandler(target, mode='w')
filelogger.setFormatter(logformatter) filelogger.setFormatter(logformatter)
if level: # Custom log level was defined, use that instead. # If no log level is specified, use the same one as STDOUT.
level = level or stdout_level
filelogger.setLevel(level) filelogger.setLevel(level)
log.addHandler(filelogger) log.addHandler(filelogger)