Vertex - Edge - Face mode hotkeys - how!

bpy.ops.view3d.set_edit_mesh_select_mode(mode=‘VERT’)
bpy.ops.view3d.set_edit_mesh_select_mode(mode=‘EDGE’)
bpy.ops.view3d.set_edit_mesh_select_mode(mode=‘FACE’)

How to bind this commands to 1,2,3 buttons? Thank you!

WOW! Veeeeery tricky. If someone interested:
http://i778.photobucket.com/albums/yy63/huzik/mesh_select_mode-1.png