frank-withyou

import maya.cmds as cmds

sel = cmds.ls(selection=True, type="transform")
for obj in sel:
    # get current world position of pivot
    pivot = cmds.xform(obj, q=True, ws=True, rp=True)  # rotate pivot = transform origin
    # calculate offset needed to move pivot to (0,0,0)
    offset = [-pivot[0], -pivot[1], -pivot[2]]
    # move the object by that offset
    cmds.move(offset[0], offset[1], offset[2], obj, r=True, ws=True)