選択したUVシェル同士を中心値で入れ替え

TsUvShellReplacement.py

import maya.cmds as cmds
import maya.mel as mel

def TsUvShellReplacement():
    posList = []
    list = cmds.ls(sl=True, fl=True)
    
    #Get center position.
    for i in list:
        cmds.select( i, r=True )
    	mel.eval("polySelectBorderShell 0;")
    	shapeName = cmds.listRelatives(i.split(".")[0], shapes=True)[0]
    	pos = cmds.getAttr("{0}.uvPivot".format(shapeName))
    	posList.append( pos[0] )
    
    #Calculate moving value.
    moveVal = [[posList[0][0]*-1 + posList[1][0], posList[0][1]*-1 + posList[1][1]],
            [posList[1][0]*-1 + posList[0][0], posList[1][1]*-1 + posList[0][1]]]
    
    #Move uvshell.    
    for i in range(2):
        cmds.select( list[i], r=True )
        mel.eval("polySelectBorderShell 0;")
        uValue = moveVal[i][0]
        vValue = moveVal[i][1]
        cmds.polyEditUV( relative=1, uValue=uValue, vValue=vValue )
        
    #Restore selected state.    	
    cmds.select( list, r=True )
    
#TsUvShellReplacement()