Add variants for `custom_request_and_route/tutorial002`

docs/en/docs/how-to/custom-request-and-route.md

@@ -92,11 +92,11 @@ We can also use this same approach to access the request body in an exception ha
 
 All we need to do is handle the request inside a `try`/`except` block:
 
-{* ../../docs_src/custom_request_and_route/tutorial002.py hl[13,15] *}
+{* ../../docs_src/custom_request_and_route/tutorial002_an_py310.py hl[13,15] *}
 
 If an exception occurs, the`Request` instance will still be in scope, so we can read and make use of the request body when handling the error:
 
-{* ../../docs_src/custom_request_and_route/tutorial002.py hl[16:18] *}
+{* ../../docs_src/custom_request_and_route/tutorial002_an_py310.py hl[16:18] *}
 
 ## Custom `APIRoute` class in a router { #custom-apiroute-class-in-a-router }
 

docs_src/custom_request_and_route/tutorial002_an.py

@@ -0,0 +1,29 @@
+from typing import Callable, List
+
+from fastapi import Body, FastAPI, HTTPException, Request, Response
+from fastapi.exceptions import RequestValidationError
+from fastapi.routing import APIRoute
+
+
+class ValidationErrorLoggingRoute(APIRoute):
+    def get_route_handler(self) -> Callable:
+        original_route_handler = super().get_route_handler()
+
+        async def custom_route_handler(request: Request) -> Response:
+            try:
+                return await original_route_handler(request)
+            except RequestValidationError as exc:
+                body = await request.body()
+                detail = {"errors": exc.errors(), "body": body.decode()}
+                raise HTTPException(status_code=422, detail=detail)
+
+        return custom_route_handler
+
+
+app = FastAPI()
+app.router.route_class = ValidationErrorLoggingRoute
+
+
+@app.post("/")
+async def sum_numbers(numbers: List[int] = Body()):
+    return sum(numbers)

docs_src/custom_request_and_route/tutorial002_an_py310.py

@@ -0,0 +1,29 @@
+from collections.abc import Callable
+
+from fastapi import Body, FastAPI, HTTPException, Request, Response
+from fastapi.exceptions import RequestValidationError
+from fastapi.routing import APIRoute
+
+
+class ValidationErrorLoggingRoute(APIRoute):
+    def get_route_handler(self) -> Callable:
+        original_route_handler = super().get_route_handler()
+
+        async def custom_route_handler(request: Request) -> Response:
+            try:
+                return await original_route_handler(request)
+            except RequestValidationError as exc:
+                body = await request.body()
+                detail = {"errors": exc.errors(), "body": body.decode()}
+                raise HTTPException(status_code=422, detail=detail)
+
+        return custom_route_handler
+
+
+app = FastAPI()
+app.router.route_class = ValidationErrorLoggingRoute
+
+
+@app.post("/")
+async def sum_numbers(numbers: list[int] = Body()):
+    return sum(numbers)

docs_src/custom_request_and_route/tutorial002_an_py39.py

@@ -0,0 +1,29 @@
+from typing import Callable
+
+from fastapi import Body, FastAPI, HTTPException, Request, Response
+from fastapi.exceptions import RequestValidationError
+from fastapi.routing import APIRoute
+
+
+class ValidationErrorLoggingRoute(APIRoute):
+    def get_route_handler(self) -> Callable:
+        original_route_handler = super().get_route_handler()
+
+        async def custom_route_handler(request: Request) -> Response:
+            try:
+                return await original_route_handler(request)
+            except RequestValidationError as exc:
+                body = await request.body()
+                detail = {"errors": exc.errors(), "body": body.decode()}
+                raise HTTPException(status_code=422, detail=detail)
+
+        return custom_route_handler
+
+
+app = FastAPI()
+app.router.route_class = ValidationErrorLoggingRoute
+
+
+@app.post("/")
+async def sum_numbers(numbers: list[int] = Body()):
+    return sum(numbers)

docs_src/custom_request_and_route/tutorial002_py310.py

@@ -0,0 +1,29 @@
+from collections.abc import Callable
+
+from fastapi import Body, FastAPI, HTTPException, Request, Response
+from fastapi.exceptions import RequestValidationError
+from fastapi.routing import APIRoute
+
+
+class ValidationErrorLoggingRoute(APIRoute):
+    def get_route_handler(self) -> Callable:
+        original_route_handler = super().get_route_handler()
+
+        async def custom_route_handler(request: Request) -> Response:
+            try:
+                return await original_route_handler(request)
+            except RequestValidationError as exc:
+                body = await request.body()
+                detail = {"errors": exc.errors(), "body": body.decode()}
+                raise HTTPException(status_code=422, detail=detail)
+
+        return custom_route_handler
+
+
+app = FastAPI()
+app.router.route_class = ValidationErrorLoggingRoute
+
+
+@app.post("/")
+async def sum_numbers(numbers: list[int] = Body()):
+    return sum(numbers)

docs_src/custom_request_and_route/tutorial002_py39.py

@@ -0,0 +1,29 @@
+from typing import Callable
+
+from fastapi import Body, FastAPI, HTTPException, Request, Response
+from fastapi.exceptions import RequestValidationError
+from fastapi.routing import APIRoute
+
+
+class ValidationErrorLoggingRoute(APIRoute):
+    def get_route_handler(self) -> Callable:
+        original_route_handler = super().get_route_handler()
+
+        async def custom_route_handler(request: Request) -> Response:
+            try:
+                return await original_route_handler(request)
+            except RequestValidationError as exc:
+                body = await request.body()
+                detail = {"errors": exc.errors(), "body": body.decode()}
+                raise HTTPException(status_code=422, detail=detail)
+
+        return custom_route_handler
+
+
+app = FastAPI()
+app.router.route_class = ValidationErrorLoggingRoute
+
+
+@app.post("/")
+async def sum_numbers(numbers: list[int] = Body()):
+    return sum(numbers)

pyproject.toml

@@ -240,6 +240,11 @@ ignore = [
 "docs_src/path_operation_advanced_configuration/tutorial007_pv1.py" = ["B904"]
 "docs_src/path_operation_advanced_configuration/tutorial007_pv1_py39.py" = ["B904"]
 "docs_src/custom_request_and_route/tutorial002.py" = ["B904"]
+"docs_src/custom_request_and_route/tutorial002_py39.py" = ["B904"]
+"docs_src/custom_request_and_route/tutorial002_py310.py" = ["B904"]
+"docs_src/custom_request_and_route/tutorial002_an.py" = ["B904"]
+"docs_src/custom_request_and_route/tutorial002_an_py39.py" = ["B904"]
+"docs_src/custom_request_and_route/tutorial002_an_py310.py" = ["B904"]
 "docs_src/dependencies/tutorial008_an.py" = ["F821"]
 "docs_src/dependencies/tutorial008_an_py39.py" = ["F821"]
 "docs_src/query_params_str_validations/tutorial012_an.py" = ["B006"]

tests/test_tutorial/test_custom_request_and_route/test_tutorial002.py

@@ -1,17 +1,36 @@
+import importlib
+
+import pytest
 from dirty_equals import IsDict, IsOneOf
 from fastapi.testclient import TestClient
 
-from docs_src.custom_request_and_route.tutorial002 import app
-
-client = TestClient(app)
+from tests.utils import needs_py39, needs_py310
 
 
-def test_endpoint_works():
+@pytest.fixture(
+    name="client",
+    params=[
+        pytest.param("tutorial002"),
+        pytest.param("tutorial002_py39", marks=needs_py39),
+        pytest.param("tutorial002_py310", marks=needs_py310),
+        pytest.param("tutorial002_an"),
+        pytest.param("tutorial002_an_py39", marks=needs_py39),
+        pytest.param("tutorial002_an_py310", marks=needs_py310),
+    ],
+)
+def get_client(request: pytest.FixtureRequest):
+    mod = importlib.import_module(f"docs_src.custom_request_and_route.{request.param}")
+
+    client = TestClient(mod.app)
+    return client
+
+
+def test_endpoint_works(client: TestClient):
     response = client.post("/", json=[1, 2, 3])
     assert response.json() == 6
 
 
-def test_exception_handler_body_access():
+def test_exception_handler_body_access(client: TestClient):
     response = client.post("/", json={"numbers": [1, 2, 3]})
     assert response.json() == IsDict(
         {