82 lines
3.3 KiB
Markdown
82 lines
3.3 KiB
Markdown
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---
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model: claude-fable-5
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service: claude
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session: 6db64ac6-6986-4505-9343-df4ee31e67db
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timestamp: 2026-07-06T17:28:18Z
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git_ref: ad42871e
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scope: code
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substantive: true
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raw_file: 20260706T172818Z_ad42871e_prompt_io.raw.md
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---
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## Prompt
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Resuming the `drop_ria_nursery` (wkt) branch after the human's
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review pause at `ba4af0ad`, with the directive:
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> we need to resolve the remaining outstandings ... to finish
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> this endeavour we ideally,
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> - finish the ria-tn hoist into the machinery in `to_actor` if
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> possible.
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> - avoid supporting the `.run_in_actor()` non-blocking API
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> going forward other then if we can re-wrap `to_actor.run()`
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> per prior discussion with opus4.8.
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> - get the test harness completely green locally and in CI -
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> AND ESPECIALLY without any hangs due to the "the old
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> spawn-backend reaper raced `soft_kill()`'s scope-cancel"
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> - update all docs to reflect these changes once we're happy.
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plus mid-flight additions:
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> make sure both all the test and example code uses the naming
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> `an: ActorNursery` for variable names
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> where we at in terms of a potential hackaround design for
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> supporting a to_actor.run_async() ... without requiring the
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> same malarky ... with a `trio.Event` relay ... i'm totes fine
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> with rejigging the iface to NOT return a Portal as well.
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## Response summary
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Completed the entire #477 `run_in_actor` removal on
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`drop_ria_nursery` (16 commits this session), gated per-commit:
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- ported the remaining `test_cancellation` groups
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(`some_cancels_all`, `nested_multierrors`+`spawn_and_error`,
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SIGINT + sync-sleep) — one-shots become concurrent
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`to_actor.run()` tasks in local task-nurseries; BEG-shape
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assertions loosened for cancel-on-first + the runtime's
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`collapse_eg()` single-member unwrap (a fully-raced nested
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tree relays a bare annotated `RemoteActorError` chain).
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- fixed a pre-existing `UnboundLocalError` (`timeout` `match`
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had no default arm for non-trio/MTF backends).
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- ported `test_dynamic_pub_sub`, 4 non-debugging examples, all
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8 `debugging/` examples (debugger suite byte-identical,
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28p/6s; `multi_subactors` introduces the "collect don't
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cancel" reap-all replacement pattern), 8 docs pages + the
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`experimental/_pubsub` docstring.
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- EXCISED the API + cluster: `run_in_actor`,
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`_reap_ria_portals`, `_cancel_after_result_on_exit`,
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`Portal._submit_for_result/_expect_result_ctx/
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wait_for_result/result`, `exhaust_portal`,
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`cancel_on_completion`, `NoResult` — net -402 lines. The
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reap-hang class dissolves structurally (result-waits now only
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in caller task-scope).
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- found + fixed a real migration race: mutual-rendezvous peers
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(`test_trynamic_trio`, `a_trynamic_first_scene.py`) flaked
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because an eagerly-reaped one-shot dies while its peer still
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dials the registry-resolved (dead) sockaddr — such peers now
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pin lifetimes via `start_actor()` + concurrent `Portal.run()`
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+ explicit `an.cancel()`.
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- `an: ActorNursery` naming sweep across tests/examples (±82
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lines, scoped renames, prose untouched).
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- parked a `to_actor.open_one_shot()` design sketch (acm +
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private task-nursery over blocking `run()`; done-Event as
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memo not cancel-relay; no Portal) in the plan doc.
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## Files changed
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See commits `d01a2123..ad42871e` on `drop_ria_nursery`
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(tests, examples, docs, `tractor/{runtime,spawn,to_actor,msg}`
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+ `_exceptions/_context/experimental`).
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