text: #-----------------------------------------------------------------------------
  # Copyright (c) 2013-2022, PyInstaller Development Team.
  #
  # Distributed under the terms of the GNU General Public License (version 2
  # or later) with exception for distributing the bootloader.
  #
  # The full license is in the file COPYING.txt, distributed with this software.
  #
  # SPDX-License-Identifier: (GPL-2.0-or-later WITH Bootloader-exception)
  #-----------------------------------------------------------------------------
  
  # This little sample application generates a plugin on the fly, and then tries to import it.
  
  import os
  import sys
  
  # We first import a static plugin; the application might have certain plugins that it always loads.
  try:
      print('Attempting to import static_plugin...')
      mdl = __import__('static_plugin')
  except ImportError:
      raise SystemExit('Failed to import the static plugin.')
  
  plugin_contents = """
  print('DYNAMIC PLUGIN IMPORTED.')
  print('This is some user-generated plugin that does not exist until')
  print('  the application starts and other modules in the directory')
  print('  are imported (like the static_plugin).')
  """
  
  # Create the dynamic plugin in the same directory as the executable.
  if hasattr(sys, 'frozen'):
      program_dir = os.path.abspath(sys.prefix)
  else:
      program_dir = os.path.dirname(os.path.abspath(__file__))
  plugin_filename = os.path.join(program_dir, 'dynamic_plugin.py')
  fp = open(plugin_filename, 'w')
  fp.write(plugin_contents)
  fp.close()
  
  # Try import dynamic plugin.
  is_error = False
  try:
      print('Attempting to import dynamic_plugin...')
      mdl = __import__('dynamic_plugin')
  except ImportError:
      is_error = True
  
  # Clean up. Remove files dynamic_plugin.py[c]
  for f in (plugin_filename, plugin_filename + 'c'):
      try:
          os.remove(plugin_filename)
      except OSError:
          pass
  
  if is_error:
      # Raise exeption.
      raise SystemExit('Failed to import the dynamic plugin.')
  