{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fy0m0r.hateblo.jp%2Fentry%2F20120915%2F1347721306\" title=\"Django\u306esignals.pre_delete\u3068post_delete - \u30e1\u30e2\u7f6e\u304d\u5834\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/yuheiomori0718/","title":"Django\u306esignals.pre_delete\u3068post_delete","blog_title":"\u30e1\u30e2\u7f6e\u304d\u5834","description":"\u3084\u308a\u305f\u3044\u3053\u3068 \u3042\u308b\u30e2\u30c7\u30eb\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u524a\u9664\u3055\u308c\u305f\u3068\u304d\u3001\u306a\u3093\u304b\u3089\u306e\u51e6\u7406\u3092\u884c\u3044\u305f\u3044 \u3084\u308a\u304b\u305f Django\u306e\u5834\u5408\u306fsignal\u3068\u3044\u3046\u4ed5\u7d44\u307f\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059 \u4f8b\u3048\u3070\u3053\u306e\u3088\u3046\u306b\u30e2\u30c7\u30eb\u3068signals\u306e\u8a2d\u5b9a\u3092\u3057\u307e\u3059 from django.db import models from django.db.models.signals import pre_delete, post_delete class Author(models.Model): name = models.CharField(max_length=100) class Entry(models.Model): title = mode\u2026","width":"100%","author_name":"yuheiomori0718","categories":["django"],"height":"190","version":"1.0","published":"2012-09-15 00:01:46","image_url":null,"provider_url":"https://hatena.blog","blog_url":"https://y0m0r.hateblo.jp/","type":"rich","provider_name":"Hatena Blog","url":"https://y0m0r.hateblo.jp/entry/20120915/1347721306"}