Allow use of memoryview with Response (encode#2577)

starlette/responses.py

@@ -41,10 +41,10 @@ def __init__(
  self.body = self.render(content)
  self.init_headers(headers)
 
- def render(self, content: typing.Any) -> bytes:
+ def render(self, content: typing.Any) -> bytes | memoryview:
  if content is None:
  return b""
- if isinstance(content, bytes):
+ if isinstance(content, (bytes, memoryview)):
  return content
  return content.encode(self.charset) # type: ignore
 

tests/test_responses.py

@@ -541,11 +541,18 @@ def test_streaming_response_known_size(test_client_factory: TestClientFactory) -
  assert response.headers["content-length"] == "10"
 
 
+def test_response_memoryview(test_client_factory: TestClientFactory) -> None:
+ app = Response(content=memoryview(b"\xC0"))
+ client: TestClient = test_client_factory(app)
+ response = client.get("/")
+ assert response.content == b"\xC0"
+
+
 def test_streaming_response_memoryview(test_client_factory: TestClientFactory) -> None:
- app = StreamingResponse(content=iter([memoryview(b"hello"), memoryview(b"world")]))
+ app = StreamingResponse(content=iter([memoryview(b"\xC0"), memoryview(b"\xF5")]))
  client: TestClient = test_client_factory(app)
  response = client.get("/")
- assert response.text == "helloworld"
+ assert response.content == b"\xC0\xF5"
 
 
 @pytest.mark.anyio