from pymel.core import *
sl = selected()
def grpr(name):
    g = ls(name)
    if g:
        delete(g)
    g = group(n=name,em=1)
    return g
def getPiv(s):
    select(s)
    setToolTo('Move')
    piv = manipMoveContext('Move', q=True, p=True,m=2)
    return piv

for s in sl:
    newGrp = grpr(s+"_grp")
    i = 0
    for p in s.cv:
        pos = getPiv(p)
        l = spaceLocator(n = s+"_pathPoint"+str(i))
        move(l,pos)
        parent(l, newGrp)
        i+=1