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logging_helper.py
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logging_helper.py
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import logging
import os
def init_logger(path:str, display=True, suffix="", loggers=None):
if not isinstance(suffix, str):
suffix = str(suffix)
if len(suffix) > 0:
suffix = "_" + suffix
if not os.path.exists(path):
os.makedirs(path, exist_ok=True)
if loggers is None:
loggers = []
loggers.append(logging.getLogger())
debug_filename = os.path.join(path, "debug%s.log" %suffix)
if os.path.isfile(debug_filename):
for idx in range(9999):
debug_filename = os.path.join(path, "debug%s.%d.log" %(suffix, idx))
if not os.path.isfile(debug_filename):
break
debug_fh = logging.FileHandler(debug_filename)
debug_fh.setLevel(logging.DEBUG)
info_filename = os.path.join(path, "info%s.log" %suffix)
if os.path.isfile(info_filename):
for idx in range(9999):
info_filename = os.path.join(path, "info%s.%d.log" %(suffix, idx))
if not os.path.isfile(info_filename):
break
info_fh = logging.FileHandler(info_filename)
info_fh.setLevel(logging.INFO)
if display:
ch = logging.StreamHandler()
ch.setLevel(logging.INFO)
info_formatter = logging.Formatter('%(asctime)s [%(levelname).1s] %(message)s')
debug_formatter = logging.Formatter('%(asctime)s [%(levelname).1s] %(message)s | %(lineno)d:%(funcName)s')
if display:
ch.setFormatter(info_formatter)
info_fh.setFormatter(info_formatter)
debug_fh.setFormatter(debug_formatter)
for logger in loggers:
logger.handlers = []
logger.setLevel(logging.DEBUG)
if display:
logger.addHandler(ch)
logger.addHandler(debug_fh)
logger.addHandler(info_fh)
return loggers[-1]