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# 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)
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