new_contents: import os
  from threading import RLock
  
  from weavelib.exceptions import ObjectAlreadyExists
  
  
  class SynonymRegistry(object):
      def __init__(self):
          self.synonym_lock = RLock()
          self.synonyms = {}
  
      def register(self, synonym, target):
          synonym = os.path.join("/synonyms", synonym.lstrip('/'))
          with self.synonym_lock:
              if synonym in self.synonyms:
                  raise ObjecObjectAlreadyExists(synonym)
  
              self.synonyms[synonym] = target
              return synonym
  
      def translate(self, synonym):
          with self.synonym_lock:
              return self.synonyms.get(synonym, synonym)
  
  
subject: Add a simple synonym-map class.