old_contents: # Bootstrap entry into stagehand.main.
  #
  # Here we aim to be compatible with both Python 2 and Python 3 so that if the
  # user's version isn't compatible, we can actually report that.
  
  import sys
  import os
  
  if sys.platform == 'win32' and 'pythonw' in sys.executable.lower():
      # If we are running under pythonw (consoleless) we must avoid
      # writing to the stderr lest we get nuked from orbit.  Redirect
      # stdout for good measure (it doesn't go anywhere anyway).
      #
      # See http://bugs.python.org/issue13582.
      nul = open(os.devnull, 'w')
      sys.stdout = sys.stderr = nul
  
  # Add bundled third party libraries to module path.
  sys.path.insert(0, os.path.normpath(os.path.join(os.path.dirname(__file__), '../external')))
  
  
  def win32_version_error():
      """
      Pops up a message box on Windows indicating the Python version is
      incompatible.
      """
      from ctypes import windll
      if sys.hexversion >= 0x03000000:
          # Python 3 strings are unicode, so use the Unicode variant.
          MessageBox = windll.user32.MessageBoxW
      else:
          # Python 2 strings are non-unicode, so use the ANSI variant.
          MessageBox = windll.user32.MessageBoxA
      ver = sys.version.split()[0]
      MessageBox(None,
      	      'Stagehand requires Python 3.3 or later, but you have %s.\n\n'
                'You can download Python at www.python.org.' % ver,
                'Incompatible Python Version',
                0x00000010)
  
  # Are we running a new enough Python?
  if sys.hexversion < 0x03030000:
      if sys.platform == 'win32':
          win32_version_error()
      else:
          print('fatal: Python 3.3 or later is required')
      sys.exit(1)
  
  
  # If we get this far, preflight checks pass. Let's start.
  from stagehand.main import main
  import stagehand
  main()
  
new_contents: # Bootstrap entry into stagehand.main.
  #
  # Here we aim to be compatible with both Python 2 and Python 3 so that if the
  # user's version isn't compatible, we can actually report that.
  
  import sys
  import os
  
  if sys.platform == 'win32' and 'pythonw' in sys.executable.lower():
      # If we are running under pythonw (consoleless) we must avoid
      # writing to the stderr lest we get nuked from orbit.  Redirect
      # stdout for good measure (it doesn't go anywhere anyway).
      #
      # See http://bugs.python.org/issue13582.
      nul = open(os.devnull, 'w')
      sys.stdout = sys.stderr = nul
  
  # Add bundled third party libraries to module path.
  sys.path.insert(0, os.path.normpath(os.path.join(os.path.dirname(__file__), '../external')))
  
  
  def win32_version_error():
      """
      Pops up a message box on Windows indicating the Python version is
      incompatible.
      """
      from ctypes import windll
      if sys.hexversion >= 0x03000000:
          # Python 3 strings are unicode, so use the Unicode variant.
          MessageBox = windll.user32.MessageBoxW
      else:
          # Python 2 strings are non-unicode, so use the ANSI variant.
          MessageBox = windll.user32.MessageBoxA
      ver = sys.version.split()[0]
      MessageBox(None,
      	      'Stagehand requires Python 3.3 or later, but you have %s.\n\n'
                'You can download Python at www.python.org.' % ver,
                'Incompatible Python Version',
                0x00000010)
  
  # Are we running a new enough Python?
  if sys.hexversion < 0x03030000:
      if sys.platform == 'win32':
          win32_version_error()
      else:
          print('fatal: Python 3.3 or later is required')
          print('\nNote you can always run stagehand directly through an interpreter:')
          print('$ python3.4 {}'.format(sys.argv[0]))
      sys.exit(1)
  
  
  # If we get this far, preflight checks pass. Let's start.
  from stagehand.main import main
  import stagehand
  main()
  
subject: Add a useful tip when proper Python version not found