code: def get_resource(resource_name):
      
  
      resource_path = None
      if hasattr(sys, "frozen"):
          resource_path = os.path.normpath(os.path.join(os.path.dirname(sys.executable), resource_name))
      elif not hasattr(sys, "frozen") and pkg_resources.resource_exists("gns3server", resource_name):
          resource_path = pkg_resources.resource_filename("gns3server", resource_name)
          resource_path = os.path.normpath(resource_path)
      return resource_path
docs: Return a resource in current directory or in frozen package