Release SyncVito 1.0.7

src/syncvito/file_locks.py

@@ -23,7 +23,22 @@ def is_file_locked(path: Path) -> bool:
     """Prüft eine vorhandene Datei durch exklusives Öffnen ohne Schreibzugriff."""
     if not path.exists() or os.name != "nt":
         return False
-    handle = ctypes.windll.kernel32.CreateFileW(
+    kernel32 = ctypes.WinDLL("kernel32", use_last_error=True)
+    create_file = kernel32.CreateFileW
+    create_file.argtypes = [
+        wintypes.LPCWSTR,
+        wintypes.DWORD,
+        wintypes.DWORD,
+        ctypes.c_void_p,
+        wintypes.DWORD,
+        wintypes.DWORD,
+        wintypes.HANDLE,
+    ]
+    create_file.restype = wintypes.HANDLE
+    close_handle = kernel32.CloseHandle
+    close_handle.argtypes = [wintypes.HANDLE]
+    close_handle.restype = wintypes.BOOL
+    handle = create_file(
         str(path),
         0x80000000,
         0,
@@ -34,8 +49,8 @@ def is_file_locked(path: Path) -> bool:
     )
     invalid_handle = ctypes.c_void_p(-1).value
     if handle == invalid_handle:
-        return ctypes.get_last_error() in {5, 32, 33}
-    ctypes.windll.kernel32.CloseHandle(handle)
+        return ctypes.get_last_error() in {32, 33}
+    close_handle(handle)
     return False