models.py 文件源码

def generate_image_filename(instance, filename):
    filename, ext = os.path.splitext(filename)
    filename = "%s-%s%s" % (uuid4(), get_random_string(length=8), ext)

    tzinfo = timezone.get_current_timezone() if settings.USE_TZ else None
    date_dir = date(datetime.now(tz=tzinfo), 'Y/m/d')

    return "images/%s/%s" % (date_dir, filename)