key finder

cmds.file(q=1,exn=1)

cmds.lis

cmds.ls(type='reference')

detection_dict = {}
for ac in  cmds.listConnections('Robot_Boomer_01RN.placeHolderList',type='animCurve'):
    detection_dict[ac]=detect_stray_changes(ac)
[a for a in detection_dict if detection_dict[a]==True]
def detect_stray_changes(ctrl):
    key_locs = []
    tmin = cmds.playbackOptions(q=1,min=1)
    cmds.currentTime(tmin,update=0)
    next_key = cmds.findKeyframe( ctrl ,timeSlider=True, which="next" )
    while next_key not in key_locs:
        key_locs.append(next_key)
        cmds.currentTime(next_key,update=0)
        next_key = cmds.findKeyframe( ctrl ,timeSlider=True, which="next" )

    no_change=False
    for key in key_locs:
        if 'scale' in ctrl:
            pass
        else:
            if cmds.getAttr(ctrl+'.output'    )!=0:
                no_change=True
    return no_change



aa = cmds.keyframe('COG_gimbal_Ctrl_rotateX',iv=1,q=1)
cmds.keyframe('COG_gimbal_Ctrl_rotateX',index=tuple(aa))