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Return a 400 for economy years the simulation service's model cannot project

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  • #4094 von @anth-volk — gemerged

Bewertung

Schwierigkeit
4/5
Geschätzter Aufwand
3-5 Tage
Anfängerfreundlichkeit
35/100
Issue-Typ
Bug
Klarheit
Klar beschrieben
Aktivitätsstatus
Veraltet
Tech-Stack
python
Bereich
api

Rechercherichtung

Start in country.py to see how economy_options.time_period is built, then inspect the API's handling of simulation service error codes, especially the SPM input codes. Check the linked PolicyEngine/policyengine-sim-api#969 for the stable error code and message contract. Done means DATASET_YEAR_UNAVAILABLE maps to a readable 400 response and UK metadata years follow the installed model projection; preserve current behavior for unknown codes and services that omit the code.

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Beschreibung

Problem

A society-wide (economy) request for a year the simulation service's model cannot project its dataset to returns 502, and the failure is stored and replayed for 30 days as a computation failure.

  • policyengine-uk projects its UK dataset (data year 2024) only to 2032 (2030 before policyengine-uk 2.130.1). A UK request for 2033 fails in the simulation service. Its job-status endpoint returns 500, and get_economic_impact returns 502 with "Simulation entrypoint execution failed: Simulation failed (correlation_id=…)". Every retry returns the same stored failure.
  • This happened on 2026-10-15 for 2031–2035 and on 2026-10-26 for 2033–2039.
  • The UK years in the country metadata (economy_options.time_period, built in country.py) still stop at 2030. The app reads that list.

Intended change

  • The simulation service will answer such a job with 400 and the stable code DATASET_YEAR_UNAVAILABLE (PolicyEngine/policyengine-sim-api#969). Map that code to a 400 with the service's readable message, such as "UK results are available for 2024 to 2032", in the same way as the SPM input codes.
  • Keep today's behaviour for unknown codes, and for a simulation service that doesn't send the code yet.
  • Make the UK metadata years follow the installed policyengine-uk's projection, so the list runs to 2032 now and moves with the model.

This is the Public API part of a change that also touches the simulation service and the app.

Vorherrschende Sprache
Python
Sterne
18
Forks
33
Ø Merge
2 T. 13 Std.
Gemergte PRs (30 T.)
56

Entwicklungsumgebung

Erste Schritte

  1. Lesen Sie das ganze Issue und danach den Beitragsleitfaden des Projekts.
  2. Schreiben Sie ins Issue, dass Sie es übernehmen — das erspart doppelte Arbeit.
  3. Forken Sie das Repository und arbeiten Sie in einem Branch.
  4. Öffnen Sie einen Pull Request, der die Issue-Nummer nennt.

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