Mercurial > cpython-lru_cache-weakref

annotate Lib/email/Iterators.py @ 20253:d96cd38a3fec legacy-trunk

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Give me back my page breaks.
author Barry Warsaw <barry@python.org>
date Thu, 04 Oct 2001 17:05:11 +0000
parents 5c4261e74478
children 518e30f90d1f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # Copyright (C) 2001 Python Software Foundation
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2 # Author: barry@zope.com (Barry Warsaw)
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3
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4 """Various types of useful iterators and generators.
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5 """
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6
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7 from __future__ import generators
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8 from cStringIO import StringIO
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9 from types import StringType
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10
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13 def body_line_iterator(msg):
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14 """Iterate over the parts, returning string payloads line-by-line."""
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15 for subpart in msg.walk():
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16 payload = subpart.get_payload()
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17 if type(payload) is StringType:
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18 for line in StringIO(payload):
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19 yield line
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22
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23 def typed_subpart_iterator(msg, maintype='text', subtype=None):
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24 """Iterate over the subparts with a given MIME type.
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25
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26 Use `maintype' as the main MIME type to match against; this defaults to
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27 "text". Optional `subtype' is the MIME subtype to match against; if
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28 omitted, only the main type is matched.
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29 """
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30 for subpart in msg.walk():
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31 if subpart.get_main_type() == maintype:
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32 if subtype is None or subpart.get_subtype() == subtype:
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33 yield subpart