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