grandpa setup

gistfile1.py

import maya.mel as mel
import maya.cmds as cmds
import maya.OpenMaya as om

sel=cmds.ls(selection=True)

try:
    #getting namespace and nodes
    ns=sel[0].split(':')[0]
    
    worldcnt=ns+':rig:world_Ctrl'
    root=ns+':rig:skin:hip_jnt'
    
    #character setup
    charSet=cmds.character(sel)
    
    cmd='setCurrentCharacters( { "%s" } );' % charSet
    mel.eval(cmd)
    
    #setting ghosting
    cmds.select(worldcnt)
    mel.eval('performSetOffsetObject;')
    
    cmds.select(root)
    mel.eval('performSetHierarchyRoot;')
    
    #feedback
    om.MGlobal.displayInfo('Character setup successfull!')
except:
    cmds.error('Character setup failed!')