dynamo_get-tags-by-element-id.py

#Given an element Id or a list or elementIds, return the matching tags/s found
import clr
clr.AddReference('ProtoGeometry')
from Autodesk.DesignScript.Geometry import *

# Import DocumentManager and TransactionManager
clr.AddReference("RevitServices")
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager

# Import RevitAPI
clr.AddReference("RevitAPI")
import Autodesk
from Autodesk.Revit.DB import *


def getTagsByElementId(beamIds):	
	doc = DocumentManager.Instance.CurrentDBDocument	
	allTags = FilteredElementCollector(doc).OfClass(IndependentTag).ToElements()
	return loopSublists(beamIds, allTags)


def loopSublists(data, allTags):
	out = []
	if type(data) is list:
		for d in data:
			out.append(loopSublists(d, allTags))
	elif data != None:
		matches = []
		for i in allTags:
			if str(i.TaggedElementId.HostElementId) == str(data):
				matches.append(i)
		# if multiple matches nest them
		if len(matches) == 1:
			out = matches[0]
		elif len(matches) == 0:
			out = None
		else:
			out = matches

	return out

OUT = getTagsByElementId(IN[0])