feat(client): add follow_redirects request option

Author: stainless-app[bot]

src/kernel/_base_client.py

@@ -960,6 +960,9 @@ def request(
             if self.custom_auth is not None:
                 kwargs["auth"] = self.custom_auth
 
+            if options.follow_redirects is not None:
+                kwargs["follow_redirects"] = options.follow_redirects
+
             log.debug("Sending HTTP Request: %s %s", request.method, request.url)
 
             response = None
@@ -1460,6 +1463,9 @@ async def request(
             if self.custom_auth is not None:
                 kwargs["auth"] = self.custom_auth
 
+            if options.follow_redirects is not None:
+                kwargs["follow_redirects"] = options.follow_redirects
+
             log.debug("Sending HTTP Request: %s %s", request.method, request.url)
 
             response = None

src/kernel/_models.py

@@ -737,6 +737,7 @@ class FinalRequestOptionsInput(TypedDict, total=False):
     idempotency_key: str
     json_data: Body
     extra_json: AnyMapping
+    follow_redirects: bool
 
 
 @final
@@ -750,6 +751,7 @@ class FinalRequestOptions(pydantic.BaseModel):
     files: Union[HttpxRequestFiles, None] = None
     idempotency_key: Union[str, None] = None
     post_parser: Union[Callable[[Any], Any], NotGiven] = NotGiven()
+    follow_redirects: Union[bool, None] = None
 
     # It should be noted that we cannot use `json` here as that would override
     # a BaseModel method in an incompatible fashion.

src/kernel/_types.py

@@ -100,6 +100,7 @@ class RequestOptions(TypedDict, total=False):
     params: Query
     extra_json: AnyMapping
     idempotency_key: str
+    follow_redirects: bool
 
 
 # Sentinel class used until PEP 0661 is accepted
@@ -215,3 +216,4 @@ class _GenericAlias(Protocol):
 
 class HttpxSendArgs(TypedDict, total=False):
     auth: httpx.Auth
+    follow_redirects: bool

tests/test_client.py

@@ -837,6 +837,33 @@ def retry_handler(_request: httpx.Request) -> httpx.Response:
 
         assert response.http_request.headers.get("x-stainless-retry-count") == "42"
 
+    @pytest.mark.respx(base_url=base_url)
+    def test_follow_redirects(self, respx_mock: MockRouter) -> None:
+        # Test that the default follow_redirects=True allows following redirects
+        respx_mock.post("/redirect").mock(
+            return_value=httpx.Response(302, headers={"Location": f"{base_url}/redirected"})
+        )
+        respx_mock.get("/redirected").mock(return_value=httpx.Response(200, json={"status": "ok"}))
+
+        response = self.client.post("/redirect", body={"key": "value"}, cast_to=httpx.Response)
+        assert response.status_code == 200
+        assert response.json() == {"status": "ok"}
+
+    @pytest.mark.respx(base_url=base_url)
+    def test_follow_redirects_disabled(self, respx_mock: MockRouter) -> None:
+        # Test that follow_redirects=False prevents following redirects
+        respx_mock.post("/redirect").mock(
+            return_value=httpx.Response(302, headers={"Location": f"{base_url}/redirected"})
+        )
+
+        with pytest.raises(APIStatusError) as exc_info:
+            self.client.post(
+                "/redirect", body={"key": "value"}, options={"follow_redirects": False}, cast_to=httpx.Response
+            )
+
+        assert exc_info.value.response.status_code == 302
+        assert exc_info.value.response.headers["Location"] == f"{base_url}/redirected"
+
 
 class TestAsyncKernel:
     client = AsyncKernel(base_url=base_url, api_key=api_key, _strict_response_validation=True)
@@ -1688,3 +1715,30 @@ async def test_main() -> None:
                     raise AssertionError("calling get_platform using asyncify resulted in a hung process")
 
                 time.sleep(0.1)
+
+    @pytest.mark.respx(base_url=base_url)
+    async def test_follow_redirects(self, respx_mock: MockRouter) -> None:
+        # Test that the default follow_redirects=True allows following redirects
+        respx_mock.post("/redirect").mock(
+            return_value=httpx.Response(302, headers={"Location": f"{base_url}/redirected"})
+        )
+        respx_mock.get("/redirected").mock(return_value=httpx.Response(200, json={"status": "ok"}))
+
+        response = await self.client.post("/redirect", body={"key": "value"}, cast_to=httpx.Response)
+        assert response.status_code == 200
+        assert response.json() == {"status": "ok"}
+
+    @pytest.mark.respx(base_url=base_url)
+    async def test_follow_redirects_disabled(self, respx_mock: MockRouter) -> None:
+        # Test that follow_redirects=False prevents following redirects
+        respx_mock.post("/redirect").mock(
+            return_value=httpx.Response(302, headers={"Location": f"{base_url}/redirected"})
+        )
+
+        with pytest.raises(APIStatusError) as exc_info:
+            await self.client.post(
+                "/redirect", body={"key": "value"}, options={"follow_redirects": False}, cast_to=httpx.Response
+            )
+
+        assert exc_info.value.response.status_code == 302
+        assert exc_info.value.response.headers["Location"] == f"{base_url}/redirected"