def debug_breakpoint():
    """
    Python debug breakpoint.
    """
    from code import InteractiveConsole
    from inspect import currentframe

    caller = currentframe().f_back

    env = {}
    env.update(caller.f_globals)
    env.update(caller.f_locals)

    shell = InteractiveConsole(env)
    shell.interact(
        "* Break: {} ::: Line {}\n"
        "* Continue with Ctrl+D or raise SystemExit...".format(
            caller.f_code.co_filename, caller.f_lineno
        )
    )