Vermietungs-Tool

A local web app for a small room-rental business in Austria: guest register,
room ledger, occupancy plan, invoices, the monthly tourist-tax report and the
quarterly VAT list. Application code only; it ships no data.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

app/i18n.py

@@ -0,0 +1,11 @@
+"""Tiny localization lookup. All UI text comes from locales/de.json via t()."""
+import json
+from pathlib import Path
+
+_FILE = Path(__file__).resolve().parent.parent / "locales" / "de.json"
+_strings = json.loads(_FILE.read_text(encoding="utf-8"))
+
+
+def t(key, **kwargs):
+    text = _strings.get(key, key)
+    return text.format(**kwargs) if kwargs else text