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# logger_config.py
#
# Imports
import logging
from logging.handlers import RotatingFileHandler
from pythonjsonlogger import jsonlogger
import os
#
############################################################################################################
#
# Functions:
def setup_logger(log_file_path="tldw_app_logs.json"):
"""
Sets up the logger with both StreamHandler and FileHandler, formatted in JSON.
Parameters:
log_file_path (str): Path to the JSON log file.
Returns:
logging.Logger: Configured logger instance.
"""
logger = logging.getLogger("tldw_app_logs")
logger.setLevel(logging.DEBUG) # Set to DEBUG for detailed logs
# Prevent adding multiple handlers if the logger is already configured
if not logger.handlers:
# StreamHandler for console output
stream_handler = logging.StreamHandler()
stream_formatter = jsonlogger.JsonFormatter(
'%(asctime)s %(levelname)s %(name)s event %(event)s type %(type)s value %(value)s labels %(labels)s timestamp %(timestamp)s'
)
stream_handler.setFormatter(stream_formatter)
logger.addHandler(stream_handler)
# Ensure the directory for log_file_path exists
log_dir = os.path.dirname(log_file_path)
if log_dir and not os.path.exists(log_dir):
os.makedirs(log_dir, exist_ok=True)
# RotatingFileHandler for writing logs to a JSON file with rotation
file_handler = RotatingFileHandler(
log_file_path, maxBytes=10*1024*1024, backupCount=5 # 10 MB per file, keep 5 backups
)
file_formatter = jsonlogger.JsonFormatter(
'%(asctime)s %(levelname)s %(name)s event %(event)s type %(type)s value %(value)s labels %(labels)s timestamp %(timestamp)s'
)
file_handler.setFormatter(file_formatter)
logger.addHandler(file_handler)
return logger
# Initialize the logger
logger = setup_logger()
#
# End of Functions
############################################################################################################
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