@leplatrem review.

Author: Rémy HUBSCHER

kinto_client/__init__.py

@@ -225,7 +225,9 @@ def create_collection(self, collection=None, bucket=None,
                                            headers=headers)
         except KintoException as e:
             if e.response.status_code == 403:
-                msg = "Unauthorized. Please check that the bucket exists."
+                msg = ("Unauthorized. Please check that the bucket exists and "
+                       "that you have the permission to create or write this "
+                       "collection.")
                 e = KintoException(msg, e)
             raise e
         return resp
@@ -290,9 +292,18 @@ def create_record(self, data, id=None, collection=None, permissions=None,
         headers = DO_NOT_OVERWRITE if safe else None
 
         endpoint = self._get_endpoint('record', bucket, collection, id)
-        resp, _ = self.session.request('put', endpoint, data=data,
-                                       permissions=permissions,
-                                       headers=headers)
+        try:
+            resp, _ = self.session.request('put', endpoint, data=data,
+                                           permissions=permissions,
+                                           headers=headers)
+        except KintoException as e:
+            if e.response.status_code == 403:
+                msg = ("Unauthorized. Please check that the collection exists "
+                       "and that you have the permission to create or write "
+                       "this record.")
+                e = KintoException(msg, e)
+            raise e
+
         return resp
 
     def update_record(self, data, id=None, collection=None, permissions=None,

kinto_client/tests/test_client.py

@@ -412,8 +412,10 @@ def test_create_collection_raises_a_special_error_on_403(self):
             self.client.create_collection(
                 bucket="buck",
                 collection="coll")
-        expected_msg = "Unauthorized. Please check that the bucket exists."
-        e.exception.message = expected_msg
+        expected_msg = ("Unauthorized. Please check that the bucket exists "
+                        "and that you have the permission to create or write "
+                        "this collection.")
+        assert e.exception.message == expected_msg
 
 
 class RecordTest(unittest.TestCase):
@@ -683,3 +685,15 @@ def test_get_or_create_raise_in_other_cases(self):
                 collection="coll",
                 data={'foo': 'bar'},
                 if_not_exists=True)
+
+    def test_create_record_raises_a_special_error_on_403(self):
+        self.session.request.side_effect = get_http_error(status=403)
+        with self.assertRaises(KintoException) as e:
+            self.client.create_record(
+                bucket="buck",
+                collection="coll",
+                data={'foo': 'bar'})
+        expected_msg = ("Unauthorized. Please check that the collection exists"
+                        " and that you have the permission to create or write "
+                        "this record.")
+        assert e.exception.message == expected_msg