アーティストのためのMaya Python入門 第１０回「１～９回目までの総まとめ！基本のコントロールリグをPythonで作ってみよう！」

from maya import cmds

# joint階層の名前を変更する
joints = cmds.ls(selection=True)
for joint in joints:
    cmds.rename(joint, "{}_baseJoint".format(joint))
    
# ユニークな名前で複製する
cmds.duplicate(rc=True)

# 複製したジョイント階層の名前を変更する
joints = cmds.ls(selection=True)
for joint in joints:
    target_joint = joint.replace("baseJoint1", "targetJoint")
    cmds.rename(joint, target_joint)

# baseJointのshapeにcircleを作る
joints = cmds.ls(selection=True)
for joint in joints:
    circle = cmds.circle(normal=[1,0,0], constructionHistory=False)[0]
    circle_shape = cmds.listRelatives(circle, shapes=True)[0]
    cmds.parent(circle_shape, joint, relative=True, shape=True)
    cmds.delete(circle)
    cmds.rename(circle_shape, "{}Shape".format(joint))

# joint.drawStyle=Noneにする
joints = cmds.ls(selection=True, dagObjects=True, type="joint")
for joint in joints:
    cmds.setAttr("{}.drawStyle".format(joint), 2)

# baseJoint階層でtargetJoint階層を動かす。
joints = cmds.ls(selection=True, dagObjects=True, type="joint")
for joint in joints:
    target_joint = joint.replace("baseJoint", "targetJoint")
    for i in "XYZ":
        cmds.connectAttr(
            "{}.translate{}".format(joint, i),
            "{}.translate{}".format(target_joint, i)
        )
        cmds.connectAttr(
            "{}.rotate{}".format(joint, i),
            "{}.rotate{}".format(target_joint, i)
        )
        cmds.connectAttr(
            "{}.scale{}".format(joint, i),
            "{}.scale{}".format(target_joint, i)
        )