Collect reference items in the selected scene.

getReferenceScenesAndItems.py

import lxu.select

class ReferencedItems:
	def __init__(self, scene):
		self.mScene = lx.object.Scene(scene)
		self.mSceneFilename = self.mScene.Filename()
		self.mItems = []
		
	def AddItem(self, item):
		print item
		self.mItems.append(item)
		
	def Scene(self):
		return self.mScene
		
	def ItemCount(self):
		return len(self.mItems)
		
	def ItemByIndex(self, index):
		if index < self.ItemCount():
			return self.mItems[index]
		return None

def getReferenceScenesAndItems(scene):
	references = {}
	
	itemCount = scene.ItemCount(-1)
	for i in range(itemCount):
		item = scene.ItemByIndex(-1, i)
		try:
			# Get the referenced item source. If it's not a reference, an exception will be thrown.
			sourceItem = item.Reference()

			# Get the source item scene (Context) and get the scene filename.
			filename = sourceItem.Context().Filename()

			# Lookup the ReferencedItem class in the dictionary, and store the reference item in it.
			if False == references.has_key(filename):
				referenceItems = ReferencedItems(sourceItem.Context())
				referenceItems.AddItem(sourceItem)
				references[filename] = referenceItems
			else:
				references[filename].AddItem(sourceItem)
		except:
			continue
	
	return references

# Get the items referenced into the currently selected scene.	
referenceScenes = getReferenceScenesAndItems(lxu.select.SceneSelection().current())

for referenceFilepath in referenceScenes:
	referenceItems = referenceScenes[referenceFilepath]
	print "Scene: " + str(referenceItems.Scene()) + " (" + referenceFilepath + ")"
	print "Item Count: " + str(referenceItems.ItemCount())
	print "Items:"
	for i in range(referenceItems.ItemCount()):
		print "    " + referenceItems.ItemByIndex(i).UniqueName()