testing.py 文件源码

def _test_style(filename, ignore):
    """ Test style for a certain file.
    """
    if isinstance(ignore, (list, tuple)):
        ignore = ','.join(ignore)

    orig_dir = os.getcwd()
    orig_argv = sys.argv

    os.chdir(ROOT_DIR)
    sys.argv[1:] = [filename]
    sys.argv.append('--ignore=' + ignore)
    try:
        from flake8.main import main
        main()
    except SystemExit as ex:
        if ex.code in (None, 0):
            return False
        else:
            return True
    finally:
        os.chdir(orig_dir)
        sys.argv[:] = orig_argv