old_contents: '''
  A few checks to make sure the environment is sane
  '''
  # Original Author: Jeff Schroeder <jeffschroeder@computer.org>
  
  import logging
  log = logging.getLogger(__name__)
  
  __all__ = ('zmq_version', 'run')
  
  def zmq_version():
      '''ZeroMQ python bindings >= 2.1.9 are required'''
      import zmq
      ver = zmq.__version__
      ver_int = int(ver.replace('.', ''))
      if not ver_int >= 219:
          log.critical("ZeroMQ python bindings >= 2.1.9 are required")
          return False
      return True
  
  def check_root():
      '''
      Most of the salt scripts need to run as root, this function will simply
      verify that root is the user before the application discovers it.
      '''
      if os.getuid():
          print ('Sorry, the salt must run as root, it needs to operate '
                 'in a privileged environment to do what it does.\n'
                 'http://xkcd.com/838/')
          sys.exit(1)
  
  def run():
      for func in __all__:
          if func == "run": continue
          if not locals().get(func)():
              sys.exit(1)
  
new_contents: '''
  A few checks to make sure the environment is sane
  '''
  # Original Author: Jeff Schroeder <jeffschroeder@computer.org>
  
  import logging
  log = logging.getLogger(__name__)
  
  __all__ = ('zmq_version', 'check_root', 'run')
  
  def zmq_version():
      '''ZeroMQ python bindings >= 2.1.9 are required'''
      import zmq
      ver = zmq.__version__
      ver_int = int(ver.replace('.', ''))
      if not ver_int >= 219:
          log.critical("ZeroMQ python bindings >= 2.1.9 are required")
          return False
      return True
  
  def check_root():
      '''
      Most of the salt scripts need to run as root, this function will simply
      verify that root is the user before the application discovers it.
      '''
      if os.getuid():
          log.critical('Sorry, the salt must run as root. It needs to operate in a privileged environment to do what it does. http://xkcd.com/838/')
          return False
      return True
  
  def run():
      for func in __all__:
          if func == "run": continue
          if not locals().get(func)():
              sys.exit(1)
  
subject: Make check_root use proper logging and exit cleanly