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4e716f7c57
* Add jobs-namespace cancel endpoints
Add two cancel endpoints under the jobs namespace so a job can be
cancelled by id without the caller needing to know whether the job is
running or pending, or branching between /interrupt and /queue.
- POST /api/jobs/{job_id}/cancel cancels one job by id. Idempotent: an
already-finished or unknown id returns 200 {"cancelled": false} rather
than an error.
- POST /api/jobs/cancel takes {"job_ids": [...]} and cancels a batch.
Fail-fast: if any id is unknown the request returns 404 listing the
unknown ids and cancels nothing (no partial side effects).
Both are state-agnostic and map onto the existing queue mechanics: a
running job is interrupted (same path as /interrupt), a pending job is
dequeued (same path as /queue {"delete": [...]}). The cancel logic lives
in comfy_execution.jobs as pure, unit-tested helpers; the server handlers
are thin wrappers. openapi.yaml documents both routes.
* fix: resolve review feedback on cancel endpoints
- Guard cancel_job() against TOCTOU: when dequeue() returns False the
pending job left the queue between snapshot and delete; return
CANCEL_UNKNOWN so callers never report cancelled=True for a remove
that did not happen.
- Validate each job_ids element in the batch cancel endpoint before
any queue access; unhashable or non-UUID values now return 400
instead of raising TypeError (500).
- Update batch HTTP tests to use canonical UUID ids (required now that
the endpoint validates id format) and add tests for the new guards.
* fix: make job cancel atomic and best-effort
Addresses two cancel races/edges raised in review.
Targeted, atomic interrupt. cancel_job's interrupt callback now takes the
prompt id and returns whether it fired; the single-cancel route backs it
with the new PromptQueue.interrupt_if_running, which checks the running set
and signals the interrupt under the queue mutex. This closes the TOCTOU
where a pending job that starts executing between the snapshot and dequeue
(or a running job that finishes between the snapshot and interrupt) could be
missed or, worse, cause an unrelated prompt to be interrupted. The per-prompt
interrupt-flag reset in execute_async keeps a finished job from leaking the
interrupt onto its successor.
Best-effort batch cancel. POST /api/jobs/cancel no longer fails the whole
batch with 404 when one id is unknown/finished; such ids are treated as
no-ops, so "cancel all" still cancels the in-progress jobs even if some
finished between the client's snapshot and the request. Malformed ids are
still rejected with 400.
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|---|---|---|
| .. | ||
| app_test | ||
| assets_test | ||
| comfy_api_test | ||
| comfy_extras_test | ||
| comfy_quant | ||
| comfy_test | ||
| execution_test | ||
| folder_paths_test | ||
| jobs_cancel_test | ||
| prompt_server_test | ||
| seeder_test | ||
| server/utils | ||
| server_test | ||
| utils | ||
| deploy_environment_test.py | ||
| feature_flags_test.py | ||
| README.md | ||
| requirements.txt | ||
| websocket_feature_flags_test.py | ||
Pytest Unit Tests
Install test dependencies
pip install -r tests-unit/requirements.txt
Run tests
pytest tests-unit/