text: from flask_monitoringdashboard.database import CodeLine
  
  
  def get_code_line(session, fn, ln, name, code):
      """
      Get a CodeLine object from a given quadruple of fn, ln, name, code. If the CodeLine object
      doesn't already exist, a new one is created in the database.
      :param session: session for the database
      :param fn: filename (string)
      :param ln: line_number of the code (int)
      :param name: function name (string)
      :param code: line of code (string)
      :return: a CodeLine object
      """
      result = (
          session.query(CodeLine)
          .filter(
              CodeLine.filename == fn,
              CodeLine.line_number == ln,
              CodeLine.function_name == name,
              CodeLine.code == code,
          )
          .first()
      )
      if not result:
          result = CodeLine(filename=fn, line_number=ln, function_name=name, code=code)
          session.add(result)
          session.flush()
  
      return result
  