Files
2025-02-27 15:38:41 +08:00

121 lines
3.6 KiB
Python

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import inspect
import logging
import os
import sys
from asgi_correlation_id import correlation_id
from loguru import logger
from backend.core import path_conf
from backend.core.conf import settings
class InterceptHandler(logging.Handler):
"""
Default handler from examples in loguru documentation.
See https://loguru.readthedocs.io/en/stable/overview.html#entirely-compatible-with-standard-logging
"""
def emit(self, record: logging.LogRecord):
# Get corresponding Loguru level if it exists
try:
level = logger.level(record.levelname).name
except ValueError:
level = record.levelno
# Find caller from where originated the logged message.
frame, depth = inspect.currentframe(), 0
while frame and (depth == 0 or frame.f_code.co_filename == logging.__file__):
frame = frame.f_back
depth += 1
logger.opt(depth=depth, exception=record.exc_info).log(level, record.getMessage())
def setup_logging():
"""
From https://github.com/benoitc/gunicorn/issues/1572#issuecomment-638391953
https://github.com/pawamoy/pawamoy.github.io/issues/17
"""
# Set the logging handler and level
logging.root.handlers = [InterceptHandler()]
logging.root.setLevel(settings.LOG_STD_LEVEL)
# Remove all log handlers and propagate to root logger
for name in logging.root.manager.loggerDict.keys():
logging.getLogger(name).handlers = []
if 'uvicorn.access' in name or 'watchfiles.main' in name:
logging.getLogger(name).propagate = False
else:
logging.getLogger(name).propagate = True
# Debug log handlers
# logging.debug(f'{logging.getLogger(name)}, {logging.getLogger(name).propagate}')
# Define the correlation_id default filter function
# https://github.com/snok/asgi-correlation-id/issues/7
def correlation_id_filter(record):
cid = correlation_id.get(settings.LOG_CID_DEFAULT_VALUE)
record['correlation_id'] = cid[: settings.LOG_CID_UUID_LENGTH]
return record
# Remove default loguru logger
logger.remove()
# Set the loguru default handlers
logger.configure(
handlers=[
{
'sink': sys.stdout,
'level': settings.LOG_STD_LEVEL,
'filter': lambda record: correlation_id_filter(record),
'format': settings.LOG_STD_FORMAT,
}
]
)
def set_custom_logfile():
log_path = path_conf.LOG_DIR
if not os.path.exists(log_path):
os.mkdir(log_path)
# log files
log_access_file = os.path.join(log_path, settings.LOG_ACCESS_FILENAME)
log_error_file = os.path.join(log_path, settings.LOG_ERROR_FILENAME)
# set loguru logger default config
# https://loguru.readthedocs.io/en/stable/api/logger.html#loguru._logger.Logger.add
log_config = {
'format': settings.LOG_FILE_FORMAT,
'enqueue': True,
'rotation': '5 MB',
'retention': '7 days',
'compression': 'tar.gz',
}
# stdout file
logger.add(
str(log_access_file),
level=settings.LOG_ACCESS_FILE_LEVEL,
filter=lambda record: record['level'].no <= 25,
backtrace=False,
diagnose=False,
**log_config,
)
# stderr file
logger.add(
str(log_error_file),
level=settings.LOG_ERROR_FILE_LEVEL,
filter=lambda record: record['level'].no >= 30,
backtrace=True,
diagnose=True,
**log_config,
)
log = logger