bake to world v2

# bake to world v2
from pymel.core import *
import time
def grpr(name):
    g = ls(name)
    if not 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

class toWorldObj:
    def __init__(self, jntObj):
        self.jnt = jntObj
        self.jntSaver = spaceLocator(n= jntObj+"_saver")
        self.pc = parentConstraint(jntObj, self.jntSaver, mo=0)
        self.sc = scaleConstraint(jntObj, self.jntSaver, mo=0)
        self.scaleList = []





tStart = int(playbackOptions(q=1,ast=1))
tEnd = int(playbackOptions(q=1,aet=1))+1
start = time.clock()

# create locators to follow/save joint positions
worldLocations = []
saveConstraintsLocators = []
sl = selected()
lctrCleanup = []
i = 1
for s in sl:
    add = toWorldObj(s)
    worldLocations.append(add)
    i += 1

# Bake joint animations to locators
for i in range(tStart,tEnd):
    currentTime(i, e=1, u=1)
    for l in worldLocations:
        setKeyframe(str(l.jntSaver)+".translate")
        setKeyframe(str(l.jntSaver)+".rotate")
        currentScale = l.jntSaver.getScale()
        l.scaleList.append(currentScale)
        if i == tStart:
           setAttr(str(l.jntSaver)+".blendParent1", 1)


# clean out constraints from locators, add constraints to drive joints from locators.

cleanUpList = []
toParent = []
for l in worldLocations:
    delete(l.pc, l.sc)
    p = parent(l.jnt,w=1,r=1)
    toParent.append(l.jnt)
    pc = parentConstraint(l.jntSaver,l.jnt)
    cleanUpList.append(pc)
    cleanUpList.append(l.jntSaver)



# bake animation from locators back on to joints
for i in range(tStart,tEnd):
    currentTime(i, e=1, u=1)
    for l in worldLocations:
        setKeyframe(str(l.jnt)+".translate")
        setKeyframe(str(l.jnt)+".rotate")
        setAttr(str(l.jnt)+".scale", l.scaleList[i-1])
        setKeyframe(str(l.jnt)+".scale")

delete(cleanUpList)
newGrp = grpr("BakedToWorld")
parent(toParent, newGrp)
print (time.clock() - start)