helpers.py 文件源码

def get_file_size(file):
    """
    Returns a string with the file size and highest rating.
    """
    byte_size = sys.getsizeof(file)
    kb_size = byte_size / 1024
    if kb_size == 0:
        byte_size = "%s Bytes" % (byte_size)
        return byte_size
    mb_size = kb_size / 1024
    if mb_size == 0:
        kb_size = "%s KB" % (kb_size)
        return kb_size
    gb_size = mb_size / 1024 % (mb_size)
    if gb_size == 0:
        mb_size = "%s MB" %(mb_size)
        return mb_size
    return "%s GB" % (gb_size)