Text tree to Tree component 'items' property

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I've been using a modified version of this:

I'm using this code in a script transform. Original binding is to a dataset containing path data. ex: "A/B/C"

items = []
for row in range(value.rowCount):
	path = value.getValueAt(row, 0)
	
	current = items
	for part in path.split("/"):

		# Check if the current folder exists in our items list
		folderExists = False
		for itemsPointerItem in current:
			if part == itemsPointerItem['label']:
				folderExists = True
				current = itemsPointerItem['items']

		if not folderExists:
			item = {
				"label": part,
				"expanded": False,
				"items": [],
				"data": path,
				"icon": {
				  	'path': 'material/stop',
				  	'color': 'red',
				  	'style': {}
				} 
			}
			current.append(item)
			current = item['items']

return items
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