Jump to Referencing Node

sel = hou.selectedNodes()[0]

sel.setSelected(False)

ref = sel.parmsReferencingThis()

if len(ref) == 1:

    target = ref[0].node()

elif len(ref) >1:

    list = []

    for i in ref:

        list.append(i.node().path())

    path = hou.ui.selectFromList(list, message='to Jamp referencing Node')

    print path

    target = ref[path[0]].node()

else:

    target = sel

target.setSelected(True)

p = hou.ui.paneTabOfType(hou.paneTabType.NetworkEditor)

p.setCurrentNode(target)

p.homeToSelection()

node = hou.selectedNodes()[0]

node.setSelected(False)

ref = node.parmsReferencingThis()

numExp =  """node = hou.pwd()

ref = node.parmsReferencingThis()

return len(ref)"""

refExp = """import re

s = hou.evaluatingParm().name()

num = int( re.findall('\d+', s)[-1] )

node = hou.pwd()

ref = node.parmsReferencingThis()[num-1].node().path()

return ref"""

jumpExp = """import re

s = kwargs["parm"].name()

num = re.findall('\d+', s)[-1]

ref = "reference" + num

target = hou.node( kwargs["node"].parm(ref).evalAsString() )

p = hou.ui.paneTabOfType(hou.paneTabType.NetworkEditor)

p.setCurrentNode(target)

p.homeToSelection()"""

parmGroup = node.parmTemplateGroup()

folder = hou.FolderParmTemplate("references","references",folder_type=hou.folderType.MultiparmBlock)

refParm = hou.StringParmTemplate("reference", "reference", 1)

refParm.setDefaultExpressionLanguage( (hou.scriptLanguage.Python,))

refParm.setDefaultExpression((refExp,))

refButton = hou.ButtonParmTemplate("jump", "jump")

refButton.setScriptCallbackLanguage( hou.scriptLanguage.Python)

refButton.setScriptCallback(jumpExp)

folder.addParmTemplate(refParm)

folder.addParmTemplate(refButton)

parmGroup.append(folder)

node.setParmTemplateGroup(parmGroup)

node.parm("references").setExpression(numExp,hou.exprLanguage.Python)