Implement Python executor functionality for Evaluator-Orchestrator Callbacks
Open, In Progress, MediumPublic
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	DMartin-WMF
	Jan 26 2026, 2:37 AM

Description

Update the Python-specific executor code (in the Evaluator) to

Recognize callbacks in Python code blocks
Specify the callback function and arguments in a JSON object
Send the JSON object to the Evaluator
Receive the function-call result back from the Evaluator
Integrate that result into the rest of the Python code block evaluation
Handle serialization and deserialization as needed, when sending the request and receiving the result

Desired behavior/Acceptance criteria (returned value, expected error, performance expectations, etc.)

Completion checklist

Before closing this task, review one by one the checklist available here: https://www.mediawiki.org/wiki/Abstract_Wikipedia_team/Definition_of_Done#Back-end_Task/Bug_completion_checklist

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Status	Assigned	Task
Open	None	T359566 Support re-entrancy
In Progress	DMartin-WMF	T412952 Increase capabilities and usage of evaluated implementations to improve performance
In Progress	DMartin-WMF	T321866 Support Evaluator-Orchestrator Callbacks in Wikifunctions Backend Components
In Progress	DMartin-WMF	T415476 Implement Python executor functionality for Evaluator-Orchestrator Callbacks
Resolved	DMartin-WMF	T415235 Callbacks: Determine the syntax for calling a function from evaluated code

Event Timeline

DMartin-WMF created this task.Jan 26 2026, 2:37 AM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptJan 26 2026, 2:37 AM

DMartin-WMF added a subtask: T321866: Support Evaluator-Orchestrator Callbacks in Wikifunctions Backend Components.Jan 26 2026, 2:38 AM

DMartin-WMF added a parent task: T359566: Support re-entrancy.

DMartin-WMF edited parent tasks, added: T412952: Increase capabilities and usage of evaluated implementations to improve performance; removed: T359566: Support re-entrancy.Jan 26 2026, 2:41 AM

DMartin-WMF renamed this task from Support Evaluator-Orchestrator Callbacks in Javascript implementations to Implement Python executor functionality for Evaluator-Orchestrator Callbacks.Jan 26 2026, 5:20 AM

DMartin-WMF claimed this task.

DMartin-WMF triaged this task as Medium priority.

DMartin-WMF moved this task from Incoming to In Engineering on the Abstract Wikipedia team (26Q3 (Jan–Mar)) board.

DMartin-WMF added a subtask: T415235: Callbacks: Determine the syntax for calling a function from evaluated code.Jan 26 2026, 5:22 AM

DMartin-WMF removed a subtask: T321866: Support Evaluator-Orchestrator Callbacks in Wikifunctions Backend Components.Jan 26 2026, 5:28 AM

DMartin-WMF edited parent tasks, added: T415481: Implement JavaScript executor functionality for Evaluator-Orchestrator Callbacks; removed: T412952: Increase capabilities and usage of evaluated implementations to improve performance.Jan 26 2026, 5:36 AM

DMartin-WMF changed the task status from Open to In Progress.Jan 26 2026, 5:45 AM

DMartin-WMF removed a project: function-orchestrator.Jan 26 2026, 5:55 AM

DMartin-WMF updated the task description. (Show Details)

Jdforrester-WMF removed a parent task: T415481: Implement JavaScript executor functionality for Evaluator-Orchestrator Callbacks.Jan 26 2026, 3:03 PM

Jdforrester-WMF added a parent task: T321866: Support Evaluator-Orchestrator Callbacks in Wikifunctions Backend Components.

Jdforrester-WMF added a project: OKR-Work.Wed, Feb 18, 11:25 PM