[v2] ClientSession runs on JSONRPCDispatcher; BaseSession removed by maxisbey · Pull Request #2838 · modelcontextprotocol/python-sdk

Add courtesy-cancel controls and bound shielded dispatcher writes

maxisbey

committed

Contain notification-handler exceptions in the dispatcher

maxisbey

committed

Add an on_stream_exception observer to the dispatcher

maxisbey

committed

Collapse the dispatcher constructor overloads with a defaulted TypeVar

maxisbey

committed

Move ClientSession onto JSONRPCDispatcher and delete BaseSession

maxisbey

committed

Cover the remaining client-session branches and document the migration

maxisbey

committed

Stop logging an error when the standalone SSE stream closes mid-listen

maxisbey

committed

Accept a pre-built dispatcher via a constructor keyword

maxisbey

committed

Restore full coverage after the BaseSession deletion

maxisbey

committed

Tighten dispatcher abandon-path writes and response invariants

maxisbey

committed

Harden ClientSession enter/exit and fault delivery

maxisbey

committed

Pin initialize-abandon suppression and tidy the interaction suite

maxisbey

committed

Exercise the standalone SSE teardown window deterministically

maxisbey

committed

Document the dispatcher behavior changes in the migration guide

maxisbey

committed

Tighten comments and docstrings across the dispatcher swap

maxisbey

committed

Remove the client-side related_request_id surface

maxisbey

committed

Make ClientRequestContext a concrete class

maxisbey

committed

Synthesize request ids in DirectDispatcher

maxisbey

committed

Raise CONNECTION_CLOSED for requests sent after the connection closed

maxisbey

committed

Make the late-response-ignored pin falsifiable

maxisbey

committed

Trim the dispatcher-swap migration notes

maxisbey

committed

Close the write stream only after the task-group join

maxisbey

committed

Pin client request concurrency in both directions

maxisbey

committed

Tidy naming and doc nits from review

maxisbey

committed

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

[v2] ClientSession runs on JSONRPCDispatcher; BaseSession removed#2838

[v2] ClientSession runs on JSONRPCDispatcher; BaseSession removed#2838
maxisbey wants to merge 24 commits into
mainfrom
maxisbey/v2-client-dispatcher-swap

Commits on Jun 12, 2026

Add courtesy-cancel controls and bound shielded dispatcher writes

Contain notification-handler exceptions in the dispatcher

Add an on_stream_exception observer to the dispatcher

Collapse the dispatcher constructor overloads with a defaulted TypeVar

Move ClientSession onto JSONRPCDispatcher and delete BaseSession

Cover the remaining client-session branches and document the migration

Stop logging an error when the standalone SSE stream closes mid-listen

Accept a pre-built dispatcher via a constructor keyword

Restore full coverage after the BaseSession deletion

Tighten dispatcher abandon-path writes and response invariants

Harden ClientSession enter/exit and fault delivery

Pin initialize-abandon suppression and tidy the interaction suite

Exercise the standalone SSE teardown window deterministically

Document the dispatcher behavior changes in the migration guide

Tighten comments and docstrings across the dispatcher swap

Remove the client-side related_request_id surface

Make ClientRequestContext a concrete class

Synthesize request ids in DirectDispatcher

Raise CONNECTION_CLOSED for requests sent after the connection closed

Make the late-response-ignored pin falsifiable

Trim the dispatcher-swap migration notes

Close the write stream only after the task-group join

Pin client request concurrency in both directions

Tidy naming and doc nits from review