admin.py 文件源码

def network_icon(self, obj):
        icons_url = staticfiles_storage.url('social_networks/img/admin_icons.svg')
        try:
            icon_code, icon_title = next((
                network_tuple
                for network_tuple in conf.ALL_NETWORKS
                if network_tuple[0] == obj.network
            ))
        except StopIteration:
            return

        offset = 100 / (len(SPRITE_ICONS) - 1) * SPRITE_ICONS.index(icon_code)
        return """
        <span style="display:inline-block; width:21px; height:20px; margin:0;
        background:url(%s) %0.4f%% 0; vertical-align:middle;" title="%s"/>""" % (
            icons_url, offset, icon_title
        )