增加富文本的 xss 过滤

utils/models.py

@@ -0,0 +1,14 @@
+# coding=utf-8
+from django.db import models
+
+from utils.xss_filter import XssHtml
+
+
+class RichTextField(models.TextField):
+    __metaclass__ = models.SubfieldBase
+
+    def get_prep_value(self, value):
+        parser = XssHtml()
+        parser.feed(value)
+        parser.close()
+        return parser.getHtml()