Feat: Add simple translation launcher dialog

tools/venv.py

@@ -0,0 +1,44 @@
+import os
+import subprocess
+import sys
+import shutil
+from pathlib import Path
+
+TRANSLATIONS_DIR = Path(__file__).resolve().parent.parent
+VENV_DIR = TRANSLATIONS_DIR / ".venv-translations"
+PYTHON_BIN = VENV_DIR / "Scripts" / "python.exe" if os.name == "nt" else VENV_DIR / "bin" / "python"
+
+def create_venv():
+    print(f"[Setup] Creating virtual environment at {VENV_DIR}...")
+    subprocess.run([sys.executable, "-m", "venv", str(VENV_DIR)], check=True)
+
+def install_pyqt6_tools():
+    print(f"[Setup] Installing pyqt6-tools in {VENV_DIR}...")
+    subprocess.run([str(PYTHON_BIN), "-m", "pip", "install", "--upgrade", "pip"], check=True)
+    subprocess.run([str(PYTHON_BIN), "-m", "pip", "install", "--pre", "pyqt6-tools"], check=True)
+
+def run_pyqt6_tools_tool(args):
+    tool = ["qt6-tools"] + args
+    print(f"[Running] {' '.join(tool)}")
+    subprocess.run([str(PYTHON_BIN)] + ["-m"] + tool, check=True)
+
+def main():
+    if not VENV_DIR.exists():
+        create_venv()
+        install_pyqt6_tools()
+
+    if not shutil.which("qt6-tools"):
+        print("[Info] Executing within virtual environment.")
+        run_pyqt6_tools_tool(sys.argv[1:])
+    else:
+        print("Unexpected: qt6-tools found globally, using system environment.")
+        if sys.argv[1] == "pylupdate6":
+            subprocess.run(sys.argv[1:], check=True)
+        else:
+            subprocess.run(["qt6-tools"] + sys.argv[1:], check=True)
+
+if __name__ == "__main__":
+    if len(sys.argv) < 2:
+        print("Usage: python venv.py [pylupdate6|lrelease|linguist] <args>")
+        sys.exit(1)
+    main()