| |
| """Aplica migraciones declarativas a data/iom_spec.json. |
| |
| Las migraciones se registran en el campo `migrations` del propio JSON. |
| Este script solo registra y valida; las transformaciones semánticas futuras |
| deben implementarse como funciones nombradas en MIGRATION_HANDLERS. |
| """ |
| from __future__ import annotations |
|
|
| import argparse |
| import json |
| from pathlib import Path |
|
|
| ROOT = Path(__file__).resolve().parents[1] |
| SPEC_PATH = ROOT / "data" / "iom_spec.json" |
|
|
| |
| |
| MIGRATION_HANDLERS: dict[str, callable] = {} |
|
|
|
|
| def load() -> dict: |
| return json.loads(SPEC_PATH.read_text(encoding="utf-8")) |
|
|
|
|
| def save(data: dict) -> None: |
| SPEC_PATH.write_text(json.dumps(data, ensure_ascii=False, indent=2) + "\n", encoding="utf-8") |
|
|
|
|
| def list_migrations(data: dict) -> None: |
| migrations = data.get("migrations") or [] |
| if not migrations: |
| print("No hay migraciones registradas.") |
| return |
| for m in migrations: |
| print(f" {m['from_version']} -> {m['to_version']}: {m['description']} ({m.get('date', '?')})") |
|
|
|
|
| def main() -> None: |
| parser = argparse.ArgumentParser(description="Gestión de migraciones de iom_spec.json") |
| parser.add_argument("--list", action="store_true", help="Listar migraciones registradas") |
| parser.add_argument("--check", action="store_true", help="Verificar que spec_version es coherente") |
| args = parser.parse_args() |
|
|
| data = load() |
| if args.list: |
| print(f"spec_version actual: {data.get('spec_version')}") |
| list_migrations(data) |
| return |
| if args.check: |
| version = data.get("spec_version") |
| migrations = data.get("migrations") or [] |
| if migrations: |
| last = migrations[-1]["to_version"] |
| if last != version: |
| raise SystemExit(f"Inconsistencia: último to_version={last} pero spec_version={version}") |
| print(f"OK: spec_version={version} coherente con historial de migraciones") |
| return |
| parser.print_help() |
|
|
|
|
| if __name__ == "__main__": |
| main() |
|
|
