Merge pull request #223 from digitalocean/fix-nb27-choice

Fixes #221 - Account for changes in choices field

pynetbox/core/response.py

@@ -25,8 +25,7 @@ def get_return(lookup, return_fields=None):
     """Returns simple representations for items passed to lookup.
 
     Used to return a "simple" representation of objects and collections
-    sent to it via lookup. If lookup is an IPNetwork object immediately
-    return the string representation. Otherwise, we look to see if
+    sent to it via lookup. Otherwise, we look to see if
     lookup is a "choices" field (dict with only 'id' and 'value')
     or a nested_return. Finally, we check if it's a Record, if
     so simply return a string. Order is important due to nested_return
@@ -41,6 +40,10 @@ def get_return(lookup, return_fields=None):
             return lookup[i]
         else:
             if hasattr(lookup, i):
+                # check if this is a "choices" field record
+                # from a NetBox 2.7 server.
+                if sorted(dict(lookup)) == sorted(["id", "value", "label"]):
+                    return getattr(lookup, "value")
                 return getattr(lookup, i)
 
     if isinstance(lookup, Record):

tests/unit/test_response.py

@@ -112,6 +112,43 @@ def test_dict(self):
         test = Record(test_values, None, None)
         self.assertEqual(dict(test), test_values)
 
+    def test_choices_idempotence_prev27(self):
+        test_values = {
+            "id": 123,
+            "choices_test": {
+                "value": 1,
+                "label": "test",
+            },
+        }
+        test = Record(test_values, None, None)
+        test.choices_test = 1
+        self.assertFalse(test._diff())
+
+    def test_choices_idempotence_v27(self):
+        test_values = {
+            "id": 123,
+            "choices_test": {
+                "value": "test",
+                "label": "test",
+                "id": 1,
+            },
+        }
+        test = Record(test_values, None, None)
+        test.choices_test = "test"
+        self.assertFalse(test._diff())
+
+    def test_choices_idempotence_v28(self):
+        test_values = {
+            "id": 123,
+            "choices_test": {
+                "value": "test",
+                "label": "test",
+            },
+        }
+        test = Record(test_values, None, None)
+        test.choices_test = "test"
+        self.assertFalse(test._diff())
+
     def test_hash(self):
         endpoint = Mock()
         endpoint.name = "test-endpoint"