code: def delete_framework(cls, framework=None):
          # type: (Optional[Framework]) -> bool
          # pylint: disable=W0212
          
          if framework is None:
              framework = cls.__singleton
  
          if framework is cls.__singleton:
              # Stop the framework
              try:
                  framework.stop()
              except:
                  _logger.exception("Error stopping the framework")
  
              # Uninstall its bundles
              bundles = framework.get_bundles()
              for bundle in bundles:
                  try:
                      bundle.uninstall()
                  except:
                      _logger.exception(
                          "Error uninstalling bundle %s",
                          bundle.get_symbolic_name(),
                      )
  
              # Clear the event dispatcher
              framework._dispatcher.clear()
  
              # Clear the singleton
              cls.__singleton = None
              return True
  
          return False
docs: Removes the framework singleton
  
          :return: True on success, else False