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Remove deprecated run_streamable_http_async method (#2338)

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Jeremiah Lowin 2025-11-01 12:19:59 -07:00 • committed by GitHub
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6
docs/python-sdk/fastmcp-server-server.mdx
View file

@ -723,12 +723,6 @@ Create a Starlette app using the specified HTTP transport.
- A Starlette application configured with the specified transport
#### `run_streamable_http_async` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2184" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
run_streamable_http_async(self, host: str | None = None, port: int | None = None, log_level: str | None = None, path: str | None = None, uvicorn_config: dict[str, Any] | None = None) -> None
```
#### `mount` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/server/server.py#L2209" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python

25
src/fastmcp/server/server.py
View file

@ -2182,31 +2182,6 @@ class FastMCP(Generic[LifespanResultT]):
middleware=middleware,
)
async def run_streamable_http_async(
self,
host: str | None = None,
port: int | None = None,
log_level: str | None = None,
path: str | None = None,
uvicorn_config: dict[str, Any] | None = None,
) -> None:
# Deprecated since 2.3.2
if fastmcp.settings.deprecation_warnings:
warnings.warn(
"The run_streamable_http_async method is deprecated (as of 2.3.2). "
"Use run_http_async instead.",
DeprecationWarning,
stacklevel=2,
)
await self.run_http_async(
transport="http",
host=host,
port=port,
log_level=log_level,
path=path,
uvicorn_config=uvicorn_config,
)
def mount(
self,
server: FastMCP[LifespanResultT],

18
tests/deprecated/test_deprecated.py
View file

@ -70,24 +70,6 @@ async def test_run_sse_async_deprecation_warning():
assert call_kwargs.get("transport") == "sse"
async def test_run_streamable_http_async_deprecation_warning():
"""Test that run_streamable_http_async raises a deprecation warning."""
server = FastMCP("TestServer")
# Use patch to avoid actually running the server
with patch.object(server, "run_http_async", new_callable=AsyncMock) as mock_run:
with pytest.warns(
DeprecationWarning,
match="The run_streamable_http_async method is deprecated",
):
await server.run_streamable_http_async()
# Verify the mock was called with the right transport
mock_run.assert_called_once()
call_kwargs = mock_run.call_args.kwargs
assert call_kwargs.get("transport") == "http"
def test_http_app_with_sse_transport():
"""Test that http_app with SSE transport works (no warning)."""
server = FastMCP("TestServer")