batch_transform.py 文件源码

def check_window_length(window_length):
    """
    Ensure the window length provided to a transform is valid.
    """
    if window_length is None:
        raise InvalidWindowLength("window_length must be provided")
    if not isinstance(window_length, Integral):
        raise InvalidWindowLength(
            "window_length must be an integer-like number")
    if window_length == 0:
        raise InvalidWindowLength("window_length must be non-zero")
    if window_length < 0:
        raise InvalidWindowLength("window_length must be positive")