code: def get_link_driver(uri, link_quality_callback=None, link_error_callback=None):
      
      for driverClass in CLASSES:
          try:
              instance = driverClass()
              instance.connect(uri, link_quality_callback, link_error_callback)
              return instance
          except WrongUriType:
              continue
  
      return None
docs: Return the link driver for the given URI. Returns None if no driver
      was found for the URI or the URI was not well formatted for the matching
      driver.