Fix @uplink.*Map to not throw error if converter is None

tests/integration/__init__.py

@@ -106,6 +106,10 @@ def headers(self):
     def data(self):
         return self._extras.get("data", None)
 
+    @property
+    def files(self):
+        return self._extras.get("files", None)
+
     @property
     def json(self):
         return self._extras.get("json", None)

tests/integration/test_form_url_encoded.py

@@ -0,0 +1,23 @@
+# Local imports
+from uplink import Consumer, form_url_encoded, put, FieldMap
+
+# Constants
+BASE_URL = "https://example.com/"
+
+
+def test_without_converter(mock_response, mock_client):
+    class Calendar(Consumer):
+        @form_url_encoded
+        @put("/user/repos")
+        def add_event(self, **event_data: FieldMap):
+            pass
+
+    mock_client.with_response(mock_response)
+    calendar = Calendar(base_url=BASE_URL, client=mock_client)
+
+    # Run
+    calendar.add_event(name="Weekly Stand-up", public=True)
+
+    # Assertions: should not convert if converter is None
+    request = mock_client.history[0]
+    assert request.data == {"name": "Weekly Stand-up", "public": True}

tests/integration/test_multipart.py

@@ -0,0 +1,24 @@
+# Local imports
+from uplink import Consumer, PartMap, post, multipart
+
+# Constants
+BASE_URL = "https://example.com/"
+
+
+def test_without_converter(mock_response, mock_client):
+    class Calendar(Consumer):
+        @multipart
+        @post("/attachments")
+        def upload_attachments(self, **files: PartMap):
+            pass
+
+    mock_client.with_response(mock_response)
+    calendar = Calendar(base_url=BASE_URL, client=mock_client)
+    file = object()
+
+    # Run
+    calendar.upload_attachments(file=file)
+
+    # Assertion: should not convert if converter is None
+    request = mock_client.history[0]
+    assert request.files == {"file": file}

uplink/converters/keys.py

@@ -50,6 +50,8 @@ def __call__(self, converter_registry):
 
         def factory_wrapper(*args, **kwargs):
             converter = factory(*args, **kwargs)
+            if not converter:
+                return None
             return functools.partial(self.convert, converter)
 
         return factory_wrapper