code: async def get_jsone_context_and_template(chain, parent_link, decision_link, tasks_for):
      
      if tasks_for == 'action':
          jsone_context, tmpl = await get_action_context_and_template(
              chain, parent_link, decision_link
          )
      else:
          tmpl = await get_in_tree_template(decision_link)
          jsone_context = await populate_jsone_context(
              chain, parent_link, decision_link, tasks_for
          )
      return jsone_context, tmpl
docs: Get the appropriate json-e context and template for any parent task.
  
      Args:
          chain (ChainOfTrust): the chain of trust.
          parent_link (LinkOfTrust): the parent link to test.
          decision_link (LinkOfTrust): the parent link's decision task link.
          tasks_for (str): the reason the parent link was created (cron,
              hg-push, action)
  
      Returns:
          (dict, dict): the json-e context and template.