text: class CancellationException(Exception):
      """Raised when command was cancelled from the CloudShell"""
  
      def __init__(self, message, data):
          """
          :param str message:
          :param dict data:
          :return:
          """
          # Call the base class constructor with the parameters it needs
          super(CancellationException, self).__init__(message)
  
          self.data = data if data else {}
  
  
  class CommandCancellationService(object):
      def check_if_cancelled(self, cancellation_context, data=None):
          """Check if command was cancelled from the CloudShell
  
          :param cancellation_context cloudshell.shell.core.driver_context.CancellationContext instance
          :param dict data: Dictionary that will be added to the cancellation exception if raised.
                            Use this container to add context data to the cancellation exception to be used
                            by the exception handler
          :raises cloudshell.cp.azure.common.exceptions.cancellation_exception.CancellationException
          :return:
          """
          if cancellation_context and cancellation_context.is_cancelled:
              return True
  