(path, data, mode=0o666)
Best-effort function to write data to a path atomically.
    Be prepared to handle a FileExistsError if concurrent writing of the
    temporary file is attempted.
Best-effort function to write data to a path atomically.
    Be prepared to handle a FileExistsError if concurrent writing of the
    temporary file is attempted.
Best - effort function to write data to a path atomically . Be prepared to handle a FileExistsError if concurrent writing of the temporary file is attempted .
def _write_atomic(path, data, mode=0o666):
    """Best-effort function to write data to a path atomically.
    Be prepared to handle a FileExistsError if concurrent writing of the
    temporary file is attempted."""
    # id() is used to generate a pseudo-random filename.
    path_tmp = '{}.{}'.format(path, id(path))
    fd = _os.open(path_tmp,
                  _os.O_EXCL | _os.O_CREAT | _os.O_WRONLY, mode & 0o666)
    try:
        # We first write data to a temporary file, and then use os.replace() to
        # perform an atomic rename.
        with _io.FileIO(fd, 'wb') as file:
            file.write(data)
        _os.replace(path_tmp, path)
    except OSError:
        try:
            _os.unlink(path_tmp)
        except OSError:
            pass
        raise
def _write_atomic ( path , data , mode = 0o666 ) : # id() is used to generate a pseudo-random filename. path_tmp = '{}.{}' . format ( path , id ( path ) ) fd = _os . open ( path_tmp , _os . O_EXCL | _os . O_CREAT | _os . O_WRONLY , mode & 0o666 ) try : # We first write data to a temporary file, and then use os.replace() to # perform an atomic rename. with _io . FileIO ( fd , 'wb' ) as file : file . write ( data ) _os . replace ( path_tmp , path ) except OSError : try : _os . unlink ( path_tmp ) except OSError : pass raise