viewer_tools.py 文件源码

def image_urls(instance):
    default_storage = get_storage_class()()
    urls = []
    suffix = settings.THUMB_CONF['medium']['suffix']
    for a in instance.attachments.all():
        if default_storage.exists(get_path(a.media_file.name, suffix)):
            url = default_storage.url(
                get_path(a.media_file.name, suffix))
        else:
            url = a.media_file.url
        urls.append(url)
    return urls