Allow a post to iterate over its insides (with json pretty-printing)

models.py

@@ -45,10 +45,20 @@ class Post(db.Model):
 
     def id(self):
         return baseN(abs(hash(self.created)), 36)[0:6]
-
-    def __str__(self):
+
+    def __iter__(self):
+        out = []
         if self.form_data:
-            return simplejson.dumps(self.form_data, indent=2)[2:-2]
+            for k,v in self.form_data.items():
+                try:
+                    outval = simplejson.dumps(simplejson.loads(v), indent=2)
+                except ValueError:
+                    outval = v
+                out.append((k, outval))
         else:
-            return self.body
-
+            out = (('body', self.body),)
+
+        return iter(out)
+
+    def __str__(self):
+        return '\n'.join("%s = %s" % (k,v) for k,v in self)