"""Utility functions for getting line numbers and file locations."""

from inspect import currentframe, getframeinfo, stack


def get_line_number_for_error() -> str:
    """Get the file name and line number of where an error occurred.

    Returns:
        str: A string in the format 'filename | line_number' showing where the error occurred
    """
    caller = stack()[1]  # Get the caller's frame
    frameinfo = getframeinfo(caller[0])
    return f"{frameinfo.filename} | {frameinfo.lineno}"