uvicorn_custom_logging.py

from uvicorn.config import LOGGING_CONFIG
import logging

# custom logging
LOGGING_CONFIG["loggers"]["uvicorn.custom"] = {
    "handlers": ["custom"],
    "level": "INFO",
    "propagate": False
}
LOGGING_CONFIG["handlers"]["custom"] = {
    "formatter": "custom",
    "class": "logging.StreamHandler",
    "stream": "ext://sys.stdout",
}
LOGGING_CONFIG["formatters"]["custom"] = {
    "()": "uvicorn.logging.ColourizedFormatter",
    "fmt": "%(asctime)s %(levelprefix)s [%(filename)s:%(lineno)d] - %(message)s",
    "datefmt": "%Y-%m-%d %H:%M:%S"
}

# call the logger
logger = logging.getLogger("uvicorn.custom")
logger.info("hello world)