Logging in python

Version 1: One of the best thus far

•     import logging
      from logging.handlers import RotatingFileHandler
      import argparse
      import asyncio
  
      class ABC:
          def __init__(self, logger):
              self.logger = logger
              
          async def run(self):
              self.logger.info("Starting process")
  
      def setup_logging(log_level:str = "INFO", log_file="./abc.log"):
          logger = logging.getLogger(__name__)
          logger.setLevel(log_level)
  
          formatter = logging.Formatter(
              "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
              "[File: %(pathname)s, Line: %(lineno)d, Func: %(funcName)s]",
              datefmt="%Y-%m-%d %H:%M:%S",)
  
          console_handler = logging.StreamHandler()
          console_handler.setLevel(log_level)
          console_handler.setFormatter(formatter)
          logger.addHandler(console_handler)
  
          file_handler = RotatingFileHandler(log_file, maxBytes=5*1024*1024, backupCount=2)
          file_handler.setLevel(log_level)
          file_handler.setFormatter(formatter)
          logger.addHandler(file_handler)
  
          return logger
  
  
      def main():
          parser = argparse.ArgumentParser(description="ABC process")
          parser.add_argument("--log-level", default="INFO", help="Set the logging level", choices=["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"])
          args = parser.parse_args()
  
          log_level = getattr(logging, args.log_level.upper(), logging.INFO)
          logger = setup_logging(log_level, args.log_file)
  
          abc = ABC(logger)
          asyncio.run(abc.run())
              
      if __name__ == "__main__":
          main()