Binding skin using skinCluster command

# using skinCluster command to bind smooth skin to the selected mesh with selected joints

def doBindSmoothSkin():
    import maya.cmds as mc;
   
    skin=False;
    bones=[];
   
    # getting bones and a skin mesh
    sel = mc.ls(sl=1,l=1,o=1);
    for obj in sel:
        if mc.nodeType(obj)=="joint":
            bones.append(obj);
        elif mc.objExists(obj+".vtx[*]"):
            shapes=mc.ls(mc.listRelatives(obj,ad=0),type="mesh");
            hist=mc.ls(mc.listHistory(shapes),type="skinCluster");
            if not len(hist):
                skin=obj;
   
    if skin and len(bones):
        # do skinBind
        bsArgs = {
            'name': 'skinCluster',
            'toSelectedBones': True,
            'bindMethod': 0,
            'skinMethod': 0,
            'normalizeWeights': 0
            };
        mc.skinCluster(bones, skin, **bsArgs);
       
        mc.select(bones,skin);