quick dirty whip kind of overlapping animation

whip.py

from maya import cmds


def whip(node_list, attr_holder=None, offset=5, diminish=0.8, attr_list=["rx", "ry", "rz"]):
    if type(node_list) is not list:
        cmds.error("node_list must be a list variable. duh...")
    if len(node_list) < 2:
        cmds.error("node_list must contain at least 2 elements. duh...")
    if not attr_holder:
        attr_holder = node_list[0]
        
    cmds.addAttr(attr_holder, at="float", ln="powerDim", min=0, max=1, defaultValue=0.8, k=True)

    for attr in attr_list:
        cmds.addAttr(attr_holder, at="float", ln="offsetMult_%s" %attr, defaultValue=1, k=True)

    for nmb, node in enumerate(node_list[1:]):
        print("*"*30)
        print(nmb, node, node_list[nmb])
        print("*"*30)
        for attr in attr_list:
            frame_cache = cmds.createNode("frameCache", name = "%s_frameCache" % node)
            power_mult = cmds.createNode("multDoubleLinear", name ="%s_powerlose" % node)
            master_mult = cmds.createNode("multDoubleLinear", name="%s_%s_masterMult" % (attr_holder, attr))

            cmds.connectAttr("%s.%s" %(node_list[nmb], attr), "%s.input1" %power_mult)
            cmds.connectAttr("%s.powerDim" % attr_holder, "%s.input2" % power_mult)
            
            cmds.connectAttr("%s.output" % power_mult, "%s.input1" % master_mult)
            cmds.connectAttr("%s.%s" %(attr_holder, "offsetMult_%s" % attr), "%s.input2" % (master_mult))
            
            cmds.connectAttr("%s.output" % master_mult, "%s.stream" % frame_cache)
            cmds.connectAttr("%s.past[%s]" %(frame_cache, int(offset_value)), "%s.%s" % (node, attr))

def whip_refresh():
    frame_caches=cmds.ls(type="frameCache")
    for cache in frame_caches:
        cmds.setAttr("%s.nodeState" %cache, 1)
        # cmds.refresh()
        cmds.setAttr("%s.nodeState" %cache, 0)
        # cmds.refresh()
        
whip(cmds.ls(sl=True))

whip_refresh()