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fast_api_livetse/backend/core/logger.py
2026-05-24 09:55:56 +03:30

50 lines
1.3 KiB
Python

import logging
import os
from logging.handlers import RotatingFileHandler
from dotenv import load_dotenv
load_dotenv()
LOG_ENABLED = os.getenv('LOG_ENABLED', 'true').lower() == 'true'
LOG_LEVEL = getattr(logging, os.getenv('LOG_LEVEL', 'DEBUG').upper(), logging.DEBUG)
os.makedirs('logs', exist_ok=True)
FORMATTER = logging.Formatter(
'%(asctime)s | %(levelname)s | %(name)s | %(message)s',
datefmt='%Y-%m-%d %H:%M:%S'
)
def _file_handler(filename: str, level: int) -> RotatingFileHandler:
handler = RotatingFileHandler(
f'logs/{filename}',
maxBytes=5 * 1024 * 1024,
backupCount=3,
encoding='utf-8'
)
handler.setLevel(level)
handler.setFormatter(FORMATTER)
return handler
def _console_handler() -> logging.StreamHandler:
handler = logging.StreamHandler()
handler.setLevel(logging.INFO)
handler.setFormatter(FORMATTER)
return handler
def get_logger(name: str) -> logging.Logger:
logger = logging.getLogger(name)
if logger.handlers:
return logger
if not LOG_ENABLED:
logger.addHandler(logging.NullHandler())
return logger
logger.setLevel(LOG_LEVEL)
logger.addHandler(_file_handler('app.log', LOG_LEVEL))
logger.addHandler(_file_handler('error.log', logging.ERROR))
logger.addHandler(_console_handler())
return logger