Initial import NDC_1C

odata_probe/fetch_metadata.py

@@ -0,0 +1,53 @@
+from __future__ import annotations
+
+import json
+from pathlib import Path
+
+from config.client import ODataClient, extract_entity_sets, utc_now_iso
+from config.settings import LOGS_DIR, load_settings
+
+
+def main() -> int:
+    settings = load_settings()
+    client = ODataClient(settings)
+
+    LOGS_DIR.mkdir(parents=True, exist_ok=True)
+
+    try:
+        metadata_xml = client.fetch_metadata()
+    except Exception as exc:
+        print(f"[error] failed to fetch metadata: {exc}")
+        return 1
+
+    metadata_file = LOGS_DIR / "metadata.xml"
+    metadata_file.write_text(metadata_xml, encoding="utf-8")
+
+    try:
+        entity_sets = extract_entity_sets(metadata_xml)
+    except Exception as exc:
+        print(f"[error] metadata fetched, but parse failed: {exc}")
+        return 1
+
+    summary = {
+        "generated_at": utc_now_iso(),
+        "service_root": settings.service_root,
+        "metadata_url": settings.metadata_url,
+        "entity_set_count": len(entity_sets),
+        "entity_sets": entity_sets,
+    }
+
+    entity_sets_file = LOGS_DIR / "entity_sets.json"
+    entity_sets_file.write_text(
+        json.dumps(summary, ensure_ascii=False, indent=2),
+        encoding="utf-8",
+    )
+
+    print(f"[ok] metadata saved: {metadata_file}")
+    print(f"[ok] entity sets saved: {entity_sets_file}")
+    print(f"[ok] total entity sets: {len(entity_sets)}")
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())
+