# Copyright (C) 2001-2010 Python Software Foundation
# Author: Barry Warsaw
# Contact: email-sig@python.org

"""Classes to generate plain text from a message object tree."""

__all__ = ['Generator', 'DecodedGenerator', 'BytesGenerator']

import re
import sys
import time
import random

from copy import deepcopy
from io import StringIO, BytesIO
from email.utils import _has_surrogates

UNDERSCORE = '_'
NL = '\n'  # XXX: no longer used by the code below.

NLCRE = re.compile(r'\r\n|\r|\n')
fcre = re.compile(r'^From ', re.MULTILINE)