src/exception.py

import sys
from src.logger import logging

# custom error handling


def error_message_detail(error, error_detail: sys):
    _, _, exc_tb = error_detail.exc_info()
    filename = exc_tb.tb_frame.f_code.co_filename
    error_message = "Error occured in python script name [{0}] line number [{1}] error message [{2}]".format(
        filename, exc_tb.tb_lineno, str(error))
    return error_message


class CustomException(Exception):
    def __init__(self, error_message, error_details: sys) -> None:
        super().__init__(error_message)
        self.error_message = error_message_detail(error_message, error_details)

    # return error message
    def __str__(self):
        return self.error_message