notify.py 文件源码

def convert_image(inpath, outpath, size):
    """Convert an image file using `sips`.

    Args:
        inpath (str): Path of source file.
        outpath (str): Path to destination file.
        size (int): Width and height of destination image in pixels.

    Raises:
        RuntimeError: Raised if `sips` exits with non-zero status.
    """
    cmd = [
        b'sips',
        b'-z', b'{0}'.format(size), b'{0}'.format(size),
        inpath,
        b'--out', outpath]
    # log().debug(cmd)
    with open(os.devnull, 'w') as pipe:
        retcode = subprocess.call(cmd, stdout=pipe, stderr=subprocess.STDOUT)

    if retcode != 0:
        raise RuntimeError('sips exited with {0}'.format(retcode))