create locators at selected control locations
import pymel.core as pm
from el_anim_utilities import anim_util as anim
selection = pm.ls(sl=True)
for sel in selection:
coord = pm.xform(sel, q=True, ws=True, rotatePivot=True)
loc = pm.spaceLocator(name='{}_loc'.format(sel))
pm.xform(loc, s=(40, 40, 40), t=coord)
anim.set_color(loc, 17)