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OWEwoksWidgetWithTaskStack: provide API to cancel a task #387
Description
Today OWEwoksWidgetWithTaskStack doesn't provide API to cancel a task.
There is two approaches:
- simple: allow to cancel the current task and the clear all task
- advanced but more powerful: allow to cancel a specific task (like using an id)
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payno commentedon Jun 5, 2026
This was discussed during the ewoks meeting.
Decision was to go to provide future & associated API.
OWWidgetBase.execute_task() -> OWFutureOWFuture.cancel_or_abort(): boolOWFuture.cancel_or_abort()always returns Falsepayno commentedon Oct 6, 2026
For me this part is mostly done. The
TaskFutureis a concurrent.futures.Future, and we now are using futuresExecutor.So those can be
cancelledif not running already.Then on ewoks side we provide an API to
abortthose. At theTaskFuturethe API is calledabortbut at ewoks core side it is calling theTask.cancelAPI. Which is misleading in the name.It also let the user the role to define how his task should be aborted. That at the time I am still good in the idea because I think it can vary a lot from one use case to the other. It also let us space to determine 'standard' behavior in the future.
I would be in favor to rename ewokscore
task.canceltotask.abortand deprecate it in the nextewoks 6.0version.