import logging
import sys
from pathlib import Path
def setup_logger(
name: str = "coding-agent",
level:int = logging.INFO,
log_file: Path | None = None
) -> logging.Logger:
logger = logging.getLogger(name)
logger.setLevel(level)
if logger.handlers:
return logger
formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s',
datefmt='%Y-%m-%d %H:%M:%S'
)
console_handler = logging.StreamHandler(sys.stderr)
console_handler.setLevel(level)
console_handler.setFormatter(formatter)
logger.addHandler(console_handler)
if log_file:
log_file.parent.mkdir(parents=True, exist_ok=True)
file_handler = logging.FileHandler(log_file, encoding='utf-8')
file_handler.setLevel(level)
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
return logger
logger = setup_logger()
