fix regression for Lists of Nested in flask-restful#165

Author: noise

flask_restful/fields.py

@@ -157,7 +157,9 @@ def output(self, key, data):
 
             return [
                 self.container.output(idx,
-                                      val if isinstance(val, dict) else value)
+                                      val if isinstance(val, dict) and
+                                      not isinstance(self.container, Nested)
+                                      else value)
                 for idx, val in enumerate(value)
             ]
 

tests/test_fields.py

@@ -2,6 +2,7 @@
 import unittest
 from mock import Mock
 from flask.ext.restful.fields import MarshallingException
+from flask.ext.restful.utils.ordereddict import OrderedDict
 from flask_restful import fields
 from datetime import datetime
 from flask import Flask
@@ -333,6 +334,12 @@ def test_list_from_dict_with_attribute(self):
         field = fields.List(fields.Integer(attribute='a'))
         self.assertEquals([1, 2, 3], field.output('list', obj))
 
+    def test_list_of_nested(self):
+        obj = {'list': [{'a': 1, 'b': 1}, {'a': 2, 'b': 1}, {'a': 3, 'b': 1}]}
+        field = fields.List(fields.Nested({'a': fields.Integer}))
+        self.assertEquals([OrderedDict([('a', 1)]), OrderedDict([('a', 2)]), OrderedDict([('a', 3)])],
+                          field.output('list', obj))
+
 
 if __name__ == '__main__':
     unittest.main()