fix: add handling for decimal values and lists, in make_json_safe()

tests/test_util.py

@@ -1,5 +1,6 @@
 # -*- coding: utf-8; -*-
 
+import decimal
 import json
 import uuid as _uuid
 from unittest import TestCase
@@ -570,6 +571,12 @@ class TestMakeJsonSafe(TestCase):
         value = mod.make_json_safe(uuid)
         self.assertEqual(value, uuid.hex)
 
+    def test_decimal(self):
+        value = decimal.Decimal('42.42')
+        self.assertNotEqual(value, 42.42)
+        result = mod.make_json_safe(value)
+        self.assertEqual(result, 42.42)
+
     def test_dict(self):
         model = self.app.model
         person = model.Person(full_name="Betty Boop")
@@ -585,3 +592,21 @@ class TestMakeJsonSafe(TestCase):
             'foo': 'bar',
             'person': "Betty Boop",
         })
+
+    def test_list(self):
+        model = self.app.model
+        person = model.Person(full_name="Betty Boop")
+
+        data = [
+            'foo',
+            'bar',
+            person,
+        ]
+
+        self.assertRaises(TypeError, json.dumps, data)
+        value = mod.make_json_safe(data)
+        self.assertEqual(value, [
+            'foo',
+            'bar',
+            "Betty Boop",
+        ])