Function remove_testfn

Lib/test/libregrtest/utils.py:493–527

(test_name: TestName, verbose: int)

def remove_testfn(test_name: TestName, verbose: int) -> None:
    # Try to clean up os_helper.TESTFN if left behind.
    #
    # While tests shouldn't leave any files or directories behind, when a test
    # fails that can be tedious for it to arrange.  The consequences can be
    # especially nasty on Windows, since if a test leaves a file open, it
    # cannot be deleted by name (while there's nothing we can do about that
    # here either, we can display the name of the offending test, which is a
    # real help).
    name = os_helper.TESTFN
    if not os.path.exists(name):
        return

    nuker: Callable[[str], None]
    if os.path.isdir(name):
        import shutil
        kind, nuker = "directory", shutil.rmtree
    elif os.path.isfile(name):
        kind, nuker = "file", os.unlink
    else:
        raise RuntimeError(f"os.path says {name!r} exists but is neither "
                           f"directory nor file")

    if verbose:
        print_warning(f"{test_name} left behind {kind} {name!r}")
        support.environment_altered = True

    try:
        import stat
        # fix possible permissions problems that might prevent cleanup
        os.chmod(name, stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO)
        nuker(name)
    except Exception as exc:
        print_warning(f"{test_name} left behind {kind} {name!r} "
                      f"and it couldn't be removed: {exc}")


def abs_module_name(test_name: TestName, test_dir: StrPath | None) -> TestName: