code: def get_vtkjs_url(*args):
      
      if len(args) == 1:
          host = 'dropbox'
          inURL = args[0]
      elif len(args) == 2:
          host = args[0]
          inURL = args[1]
      else:
          raise RuntimeError('Arguments not understood.')
      if host.lower() == "dropbox":
          convertURL = convert_dropbox_url(inURL)
      else:
          print("--> Warning: Web host not specified or supported. URL is simply appended to standalone scene loader link.")
          convertURL = inURL
      #print("--> Your link: %s" % generate_viewer_url(convertURL))
      return generate_viewer_url(convertURL)
docs: After using ``export_vtkjs()`` to create a ``.vtkjs`` file from a
      data scene which is uploaded to an online file hosting service like Dropbox,
      use this method to get a shareable link to that scene on the
      `PVGeo VTKjs viewer`_.
  
      .. _PVGeo VTKjs viewer: http://viewer.vtki.org
  
      **Current file hosts supported:**
  
      - Dropbox
  
      Args:
          host (str): the name of the file hosting service.
          inURL (str): the web URL to the ``.vtkjs`` file.