old_contents: # Copyright (C) 2001,2002 Python Software Foundation
  # Author: barry@zope.com (Barry Warsaw)
  
  """Various types of useful iterators and generators.
  """
  
  import sys
  
  try:
      from email._compat22 import body_line_iterator, typed_subpart_iterator
  except SyntaxError:
      # Python 2.1 doesn't have generators
      from email._compat21 import body_line_iterator, typed_subpart_iterator
  
  
  
  def _structure(msg, level=0, fp=None):
      """A handy debugging aid"""
      if fp is None:
          fp = sys.stdout
      tab = ' ' * (level * 4)
      print >> fp, tab + msg.get_type(msg.get_default_type())
      if msg.is_multipart():
          for subpart in msg.get_payload():
              _structure(subpart, level+1, fp)
  
new_contents: # Copyright (C) 2001,2002 Python Software Foundation
  # Author: barry@zope.com (Barry Warsaw)
  
  """Various types of useful iterators and generators.
  """
  
  import sys
  
  try:
      from email._compat22 import body_line_iterator, typed_subpart_iterator
  except SyntaxError:
      # Python 2.1 doesn't have generators
      from email._compat21 import body_line_iterator, typed_subpart_iterator
  
  
  
  def _structure(msg, level=0, fp=None):
      """A handy debugging aid"""
      if fp is None:
          fp = sys.stdout
      tab = ' ' * (level * 4)
      print >> fp, tab + msg.get_content_type()
      if msg.is_multipart():
          for subpart in msg.get_payload():
              _structure(subpart, level+1, fp)
  
subject: Use .get_content_type()