old_contents: # -*- coding: utf-8 -*-
  """
  Course Discussion XBlock
  """
  import logging
  
  from xblock.core import XBlock
  from xblock.fields import Scope, String
  from xblock.fragment import Fragment
  
  
  log = logging.getLogger(__name__)
  
  
  def _(text):
      """
      A noop underscore function that marks strings for extraction.
      """
      return text
  
  
  class DiscussionCourseXBlock(XBlock):
      """ Provides functionality similar to discussion XModule in tab mode """
      display_name = String(
          display_name=_("Display Name"),
          help=_("Display name for this module"),
          default=_("Discussion Course"),
          scope=Scope.settings
      )
  
      def student_view(self, context=None):  # pylint: disable=unused-argument
          """ Renders student view for LMS and Studio """
          return self._get_message_fragment()
  
      def _get_message_fragment(self):
          """ Returns deprecation message fragment """
          fragment = Fragment()
          fragment.add_content(self.runtime.render_template('discussion/_course_discussion_section.html', {}))
          return fragment
  
      def studio_view(self, context=None):  # pylint: disable=unused-argument
          """ Renders author view Studio """
          return self._get_message_fragment()
  
new_contents: # -*- coding: utf-8 -*-
  """
  Course Discussion XBlock
  """
  import logging
  
  from xblock.completable import XBlockCompletionMode
  from xblock.core import XBlock
  from xblock.fields import Scope, String
  from xblock.fragment import Fragment
  
  
  log = logging.getLogger(__name__)
  
  
  def _(text):
      """
      A noop underscore function that marks strings for extraction.
      """
      return text
  
  
  class DiscussionCourseXBlock(XBlock):
      """
      Provides functionality similar to discussion XModule in tab mode.
      """
  
      completion_mode = XBlockCompletionMode.EXCLUDED
  
      display_name = String(
          display_name=_("Display Name"),
          help=_("Display name for this module"),
          default=_("Discussion Course"),
          scope=Scope.settings
      )
  
      def student_view(self, context=None):  # pylint: disable=unused-argument
          """ Renders student view for LMS and Studio """
          return self._get_message_fragment()
  
      def _get_message_fragment(self):
          """ Returns deprecation message fragment """
          fragment = Fragment()
          fragment.add_content(self.runtime.render_template('discussion/_course_discussion_section.html', {}))
          return fragment
  
      def studio_view(self, context=None):  # pylint: disable=unused-argument
          """ Renders author view Studio """
          return self._get_message_fragment()
  
subject: Exclude xblock_discussion_course block from completion.