institutional-trader/backend/python_service/utils/logger.py

48 lines
1.2 KiB
Python

"""
Logging utility for Python service
"""
import logging
import sys
from datetime import datetime
from typing import Optional
def setup_logger(
name: str = "options_flow_service",
level: int = logging.INFO,
log_file: Optional[str] = None
) -> logging.Logger:
"""Setup logger with console and optional file output"""
logger = logging.getLogger(name)
logger.setLevel(level)
# Remove existing handlers
logger.handlers = []
# Console handler
console_handler = logging.StreamHandler(sys.stdout)
console_handler.setLevel(level)
console_format = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s',
datefmt='%Y-%m-%d %H:%M:%S'
)
console_handler.setFormatter(console_format)
logger.addHandler(console_handler)
# File handler (optional)
if log_file:
file_handler = logging.FileHandler(log_file)
file_handler.setLevel(level)
file_format = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(funcName)s:%(lineno)d - %(message)s'
)
file_handler.setFormatter(file_format)
logger.addHandler(file_handler)
return logger
# Default logger instance
logger = setup_logger()