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4968ea3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | """Logging utilities."""
import logging
import sys
from pathlib import Path
def setup_logger(name: str, log_file: str = None, level: int = logging.INFO) -> logging.Logger:
"""Set up a logger with console and optional file handlers."""
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.stdout)
console_handler.setFormatter(formatter)
logger.addHandler(console_handler)
if log_file:
Path(log_file).parent.mkdir(parents=True, exist_ok=True)
file_handler = logging.FileHandler(log_file, encoding="utf-8")
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
return logger
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