alrady done: loopcut activation from Python script??

To help my vision of making tutorials I need to activate from python the loop cut(Ctrl R).

From the api:

bpy.ops.mesh.loopcut(number_cuts=1, smoothness=0.0, falloff=‘ROOT’, edge_index=-1, mesh_select_mode_init=(False, False,False))

Just discovered that ctypes may create a mouse-click at a (x,y) on the (total) screen …

Has someone already put things together?

My idea is:

Setting the cursor at a suitable location and then … ?