python: adapt to Trade::DataFlags changes.

src/python/magnum/test/test_meshtools.py

@@ -144,7 +144,7 @@ class Interleave(unittest.TestCase):
 class Owned(unittest.TestCase):
     def test(self):
         mesh = primitives.square_solid()
-        self.assertEqual(mesh.vertex_data_flags, trade.DataFlags.NONE)
+        self.assertEqual(mesh.vertex_data_flags, trade.DataFlags.GLOBAL)
 
         owned = meshtools.owned(mesh)
         self.assertEqual(owned.vertex_data_flags, trade.DataFlags.OWNED|trade.DataFlags.MUTABLE)

src/python/magnum/test/test_trade.py

@@ -541,8 +541,8 @@ class MeshData(unittest.TestCase):
         mesh = primitives.cube_solid()
         # TODO split this once there's a mesh where only one or the other would
         #   be true (maybe with zero-copy loading of PLYs / STLs?)
-        self.assertEqual(mesh.index_data_flags, trade.DataFlags.NONE)
-        self.assertEqual(mesh.vertex_data_flags, trade.DataFlags.NONE)
+        self.assertEqual(mesh.index_data_flags, trade.DataFlags.GLOBAL)
+        self.assertEqual(mesh.vertex_data_flags, trade.DataFlags.GLOBAL)
 
         with self.assertRaisesRegex(AttributeError, "mesh index data is not mutable"):
             mesh.mutable_index_data

src/python/magnum/trade.cpp

@@ -809,6 +809,7 @@ void trade(py::module_& m) {
     dataFlag
         .value("OWNED", Trade::DataFlag::Owned)
         .value("EXTERNALLY_OWNED", Trade::DataFlag::ExternallyOwned)
+        .value("GLOBAL", Trade::DataFlag::Global)
         .value("MUTABLE", Trade::DataFlag::Mutable)
         .value("NONE", Trade::DataFlag{});
     corrade::enumOperators(dataFlag);