Files
insar-management-system-v2/scripts/build_archive_preview_caches.py
T

63 lines
2.3 KiB
Python

"""Build WebP preview caches for archive-managed LT1 and Sentinel-1 assets."""
from __future__ import annotations
import argparse
import asyncio
import json
import sys
from pathlib import Path
from typing import Iterable, List, Optional
PROJECT_ROOT = Path(__file__).resolve().parents[1]
if str(PROJECT_ROOT) not in sys.path:
sys.path.insert(0, str(PROJECT_ROOT))
from backend.app import database # noqa: E402
from backend.app.config import settings # noqa: E402
from backend.app.services.asset_inventory_service import asset_inventory_service # noqa: E402
def _normalize_families(values: Optional[Iterable[str]]) -> List[str]:
families: List[str] = []
for value in values or ["LT1", "S1"]:
for item in str(value or "").split(","):
family = item.strip().upper()
if family and family not in families:
families.append(family)
invalid = [item for item in families if item not in {"LT1", "S1"}]
if invalid:
raise SystemExit(f"Unsupported family: {', '.join(invalid)}")
return families or ["LT1", "S1"]
async def _run(args: argparse.Namespace) -> dict:
families = _normalize_families(args.family)
database.init_db(settings.DATABASE_URL)
summary = await asset_inventory_service.build_archive_preview_caches(
families=families,
limit=args.limit,
force=args.force,
apply=bool(args.apply),
progress_start=0,
progress_end=100,
)
return {"apply": bool(args.apply), **summary}
def main() -> int:
parser = argparse.ArgumentParser(description="Build LT1/Sentinel-1 archive preview WebP caches.")
parser.add_argument("--apply", action="store_true", help="write preview cache files and update database rows")
parser.add_argument("--family", action="append", help="family to process: LT1, S1, or comma-separated values")
parser.add_argument("--limit", type=int, default=0, help="maximum rows to build; 0 means all pending rows")
parser.add_argument("--force", action="store_true", help="rebuild even if preview_cache_status is READY")
args = parser.parse_args()
payload = asyncio.run(_run(args))
print(json.dumps(payload, ensure_ascii=False, indent=2, default=str))
return 0
if __name__ == "__main__":
raise SystemExit(main())