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33 lines
1 KiB
Python
33 lines
1 KiB
Python
# Copyright (C) 2001 Python Software Foundation
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# Author: barry@zope.com (Barry Warsaw)
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"""Various types of useful iterators and generators.
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"""
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from __future__ import generators
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from cStringIO import StringIO
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from types import StringType
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def body_line_iterator(msg):
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"""Iterate over the parts, returning string payloads line-by-line."""
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for subpart in msg.walk():
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payload = subpart.get_payload()
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if type(payload) is StringType:
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for line in StringIO(payload):
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yield line
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def typed_subpart_iterator(msg, maintype='text', subtype=None):
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"""Iterate over the subparts with a given MIME type.
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Use `maintype' as the main MIME type to match against; this defaults to
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"text". Optional `subtype' is the MIME subtype to match against; if
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omitted, only the main type is matched.
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"""
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for subpart in msg.walk():
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if subpart.get_main_type() == maintype:
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if subtype is None or subpart.get_subtype() == subtype:
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yield subpart
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