Document per-request HTTP headers for Streamable HTTP clients - #3288
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HaoChiBao wants to merge 2 commits into
Open
Document per-request HTTP headers for Streamable HTTP clients#3288HaoChiBao wants to merge 2 commits into
HaoChiBao wants to merge 2 commits into
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Show how contextvars plus an httpx2 request event hook on a shared AsyncClient cover per-call Authorization and trace headers without new Client API, addressing modelcontextprotocol#1966.
Avoid a partial-covered POST-only branch and match the usual session_manager pragma so fail_under=100 passes.
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Summary
contextvarsand anhttpx2event_hooks["request"]hook on a sharedAsyncClient(docs_src/client_transports/tutorial005.py+ section indocs/client/transports.md).Clientcall reach the request hook as headers over in-process Streamable HTTP.Fixes #1966
AI disclosure
AI-assisted drafting (Cursor). I reviewed the resulting docs/example/tests and verified them locally.
Test plan
uv run --frozen ruff format/ruff check --fixon touched filesuv run --frozen pyrighton touched filesuv run --frozen pytest tests/docs_src/test_client_transports.py -v(7 passed)--8<--snippet under Client transports → Per-request headers