Jan 17, 2021
Tags: python
ValueError: Unable to configure logger ‘app_logger’
I'm trying to configure python logger using dictConfig. When I run my Python application, it gives me "ValueError: Unable to configure logger 'app_logger'" error in the terminal.
from pydantic import BaseModel
# pydanthic does cls to dict casting
class LogConfig(BaseModel):
"""Logging configuration to be set"""
LOGGER_NAME: str = 'app_logger'
LOG_FORMAT: str = (
"%(levelprefix)s %(asctime)s [%(filename)s %(lineno)d] %(message)s"
)
LOG_LEVEL: str = 'DEBU'
version: int = 1
disable_existing_loggers: bool = False
formatters: dict = {
"default": {
"()": "uvicorn.logging.DefaultFormatter",
"fmt": LOG_FORMAT,
"datefmt": "%Y-%m-%d %H:%M:%S",
},
}
handlers: dict = {
"default": {
"formatter": "default",
"class": "logging.StreamHandler",
"stream": "ext://sys.stderr",
},
}
loggers: dict = {
LOGGER_NAME: {"handlers": ["default"], "level": LOG_LEVEL},
}
This is how I create logger object.
def create_logger():
from logging.config import dictConfig
import logging
from util.log import LogConfig
dictConfig(LogConfig().dict())
logger = logging.getLogger('app_logger')
logger.info("Logger initialized")
How can I fix this error?
Comments
-
Danielle Carline
Posted on
LOG_LEVEL: str = 'DEBU'
is not correct.It should be
LOG_LEVEL: str = 'DEBUG'
.