widgets.py 文件源码

def absolute_path(self, path, prefix=None):
        if path.startswith(('http://', 'https://', '/')):
            return path
        if prefix is None:
            if settings.STATIC_URL is None:
                 # backwards compatibility
                prefix = settings.MEDIA_URL
            else:
                prefix = settings.STATIC_URL
        return urljoin(prefix, path)