text: """
  Copyright (c) 2019 Michael McCartney, Kevin McLoughlin
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.
  """
  
  import ctypes
  import threading
  
  class TerminalThread(threading.Thread):
      """
      (python 3.7+) thread that can be killed somewhat gracefully by raising
      and exception within it, letting python do the rest.
  
      https://www.geeksforgeeks.org/python-different-ways-to-kill-a-thread/
      """
      def get_id(self) -> int: # pragma: no cover
          """
          Obtain the id of this thread to pass to the low level API for
          exception management.
          :return: int
          """
          if hasattr(self, '_thread_id'):
              return self._thread_id
          for id, thread in threading._active.items():
              if thread is self:
                  return id
  
      def raise_exception(self) -> None: # pragma: no cover
          """
          Call to execute an exception within the thread
          :return: None
          """
          thread_id = self.get_id()
          res = ctypes.pythonapi.PyThreadState_SetAsyncExc(
              thread_id, ctypes.py_object(SystemExit)
          )
  
          if res > 1:
              ctypes.pythonapi.PyThreadState_SetAsyncExc(
                  thread_id, 0
              )
  