python function to get information about caller frames at any given level

get_caller.py

def get_caller(depth: int = 1):
    """Returns the caller frame at the given depth."""

    import inspect
    from collections import namedtuple

    frame = inspect.currentframe()
    assert frame is not None

    if frame.f_back is None:
        return inspect.getframeinfo(frame)

    previous_frame = frame
    for _ in range(depth + 1):
        f_back = getattr(previous_frame, "f_back")
        if f_back is None:
            break

        previous_frame = f_back

    filename, lineno, funcname, code, _ = inspect.getframeinfo(previous_frame)

    return namedtuple("Frame", ["filename", "lineno", "funcname", "code"])(
        filename, lineno, funcname, code
    )