bpy.ops.mesh.select_all(action='SELECT')
    bpy.ops.uv.smart_project()
    bpy.ops.uv.select_all(action='SELECT')
    bpy.ops.transform.resize(value=(Xscale, Yscale, Zscale), orient_type='GLOBAL', orient_matrix=((1, 0, 0), (0, 1, 0), (0, 0, 1)), orient_matrix_type='GLOBAL', constraint_axis=(False, True, False), mirror=True, use_proportional_edit=False, proportional_edit_falloff='SMOOTH', proportional_size=100, use_proportional_connected=False, use_proportional_projected=False)

```