logging shiny2
Root logger에 모든 handlers filters들 다 때려넣어
하지만, root logger를 직접적으로 Root logger는 사용하지 마라
logging.info(“xxx”) ==> logger=logging.getLogger(“__name__”) ; logger.info(“xxx”)
하나의 주요 component마다 하나의 logger사용
store config in JSON or YAML
ROOT loggers / filters/ formatters/ handlers
https://docs.python.org/3/library/logging.html#logrecord-attributes
log_cfg.json
{
"version": 1,
"disable_existing_loggers": false,
"filters": {},
"formatters": {
"simple": {
"format": "%(asctime)s | %(filename)s:L%(lineno)d | %(levelname)s | %(message)s",
"datefmt": "%Y-%m-%d %H:%M:%S"
},
"verbose": {
"format": " [%(asctime)s | %(levelname)s | %(module)s | L%(lineno)d ] %(message)s",
"datefmt": "%Y-%m-%dT%H:%M:%S%z"
}
},
"handlers": {
"stdout": {
"class": "logging.StreamHandler",
"level": "INFO",
"formatter": "simple",
"stream": "ext://sys.stdout"
},
"file": {
"class": "logging.handlers.RotatingFileHandler",
"level": "WARNING",
"formatter": "verbose",
"filename": "template/multipage/logs/xxx_app.log",
"maxBytes": 10240,
"backupCount": 16,
"encoding": "utf8"
}
},
"loggers": {
"root": {
"level": "DEBUG",
"handlers": ["stdout", "file"]
}
}
}log_set.py
import logging
from shared import ASSET_DIR, LOG_DIR
import json
import atexit
# print(f">>>>>>{LOG_DIR}")
logger = logging.getLogger("my_app")
def setup_logging():
config_file = ASSET_DIR.joinpath("log_cfg.json")
with open(config_file) as f_in:
config = json.load(f_in)
logging.config.dictConfig(config)app.py
from shiny import App, Inputs, Outputs, Session, ui
from shared import WWW_DIR
from assets.log_set import logger, setup_logging
setup_logging()
from basic_ui import bas_ui
from basic_server import bas_server
logger.debug("debug message")
logger.info("info message")
logger.warning("warning message")
logger.error("\n error message")
try:
1 / 0
except ZeroDivisionError:
logger.exception("exception message")
logger.critical("critical message")ui
from assets.log_set import logger
logger.info("ui start"),server
from assets.log_set import logger
logger.info("server start")old loggingQueue Handler 사용하여, 성능향상
Queue Handler for Non-blocking Logging
json line 포멧으로 log남기기
Parsabel
