initialise_log.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import os
import logging

def save_log(path):

    """
        Initialisation of a log file using the python package logging to store
        information, warnings and errors

        Input:
            path: Path where to store the log file
        Output:
            logger: Logger

    """

    path_log = os.path.dirname(path)
    logger = logging.getLogger()
    logger.setLevel(logging.INFO)
    formatter = logging.Formatter(
           '%(asctime)s | %(levelname)s | %(message)s')

    file_handler = logging.FileHandler(path)
    file_handler.setLevel(logging.DEBUG)
    file_handler.setFormatter(formatter)

    logger.addHandler(file_handler)
    
    return logger