Houdini Uv Texture preview

uvtexture.py

import hou
import toolutils
selNodes = hou.selectedNodes()
quickshade = None
for curnode in selNodes:
    if curnode.type().name() == 'uvquickshade':
        quickshade=curnode
        break
if quickshade:
    file = quickshade.parm('texture').evalAsString()
else:
    file=hou.ui.selectFile(file_type=hou.fileType.Image)
scene_viewer = toolutils.sceneViewer()
vs = scene_viewer.curViewport().settings()
vs.backgroundImage(hou.viewportBGImageView.UV, 0).setImageFile(file)