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refactor: improve server context management with AsyncExitStack

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Replace nested context managers with AsyncExitStack to ensure proper cleanup
order during server shutdown and make the code more maintainable.
This commit is contained in:
David Soria Parra
2025-02-11 12:26:32 +00:00
parent e5815bd162
commit fddba00723
1 changed files with 32 additions and 28 deletions
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12
src/mcp/server/lowlevel/server.py
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@@ -470,10 +470,14 @@ class Server(Generic[LifespanResultT]):
raise_exceptions: bool = False,
):
with warnings.catch_warnings(record=True) as w:
async with self.lifespan(self) as lifespan_context:
async with ServerSession(
read_stream, write_stream, initialization_options
) as session:
from contextlib import AsyncExitStack
async with AsyncExitStack() as stack:
lifespan_context = await stack.enter_async_context(self.lifespan(self))
session = await stack.enter_async_context(
ServerSession(read_stream, write_stream, initialization_options)
)
async for message in session.incoming_messages:
logger.debug(f"Received message: {message}")