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Contents
# Copyright (C) 2002 Python Software Foundation
# Author: barry@zope.com
"""Module containing compatibility functions for Python 2.1.
"""
from cStringIO import StringIO
from types import StringType, UnicodeType
False = 0
True = 1
# This function will become a method of the Message class
def walk(self):
"""Walk over the message tree, yielding each subpart.
The walk is performed in depth-first order. This method is a
generator.
"""
parts = []
parts.append(self)
if self.is_multipart():
for subpart in self.get_payload():
parts.extend(subpart.walk())
return parts
# Python 2.2 spells floor division //
def _floordiv(i, j):
"""Do a floor division, i/j."""
return i / j
def _isstring(obj):
return isinstance(obj, StringType) or isinstance(obj, UnicodeType)
# These two functions are imported into the Iterators.py interface module.
# The Python 2.2 version uses generators for efficiency.
def body_line_iterator(msg, decode=False):
"""Iterate over the parts, returning string payloads line-by-line.
Optional decode (default False) is passed through to .get_payload().
"""
lines = []
for subpart in msg.walk():
payload = subpart.get_payload(decode=decode)
if _isstring(payload):
for line in StringIO(payload).readlines():
lines.append(line)
return lines
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.
"""
parts = []
for subpart in msg.walk():
if subpart.get_content_maintype() == maintype:
if subtype is None or subpart.get_content_subtype() == subtype:
parts.append(subpart)
return parts
Version data entries
30 entries across 30 versions & 1 rubygems