fix: DeprecationWarning on HTTP_413_REQUEST_ENTITY_TOO_LARGE

pyproject.toml

@@ -29,7 +29,7 @@ classifiers = [
 ]
 
 [project.optional-dependencies]
-http-server = ["fastapi>=0.115.2", "sse-starlette", "starlette"]
+http-server = ["fastapi>=0.115.2", "sse-starlette", "starlette>=0.48.0"]
 encryption = ["cryptography>=43.0.0"]
 grpc = ["grpcio>=1.60", "grpcio-tools>=1.60", "grpcio_reflection>=1.7.0"]
 telemetry = ["opentelemetry-api>=1.33.0", "opentelemetry-sdk>=1.33.0"]

src/a2a/server/apps/jsonrpc/jsonrpc_app.py

@@ -64,7 +64,7 @@
     from starlette.exceptions import HTTPException
     from starlette.requests import Request
     from starlette.responses import JSONResponse, Response
-    from starlette.status import HTTP_413_REQUEST_ENTITY_TOO_LARGE
+    from starlette.status import HTTP_413_CONTENT_TOO_LARGE
 
     _package_starlette_installed = True
 else:
@@ -76,7 +76,7 @@
         from starlette.exceptions import HTTPException
         from starlette.requests import Request
         from starlette.responses import JSONResponse, Response
-        from starlette.status import HTTP_413_REQUEST_ENTITY_TOO_LARGE
+        from starlette.status import HTTP_413_CONTENT_TOO_LARGE
 
         _package_starlette_installed = True
     except ImportError:
@@ -90,7 +90,7 @@
         Request = Any
         JSONResponse = Any
         Response = Any
-        HTTP_413_REQUEST_ENTITY_TOO_LARGE = Any
+        HTTP_413_CONTENT_TOO_LARGE = Any
 
 
 class StarletteUserProxy(A2AUser):
@@ -381,7 +381,7 @@ async def _handle_requests(self, request: Request) -> Response:  # noqa: PLR0911
                 None, A2AError(root=JSONParseError(message=str(e)))
             )
         except HTTPException as e:
-            if e.status_code == HTTP_413_REQUEST_ENTITY_TOO_LARGE:
+            if e.status_code == HTTP_413_CONTENT_TOO_LARGE:
                 return self._generate_error_response(
                     request_id,
                     A2AError(