-# Copyright (C) 2001,2002 Python Software Foundation
-# Author: barry@zope.com (Barry Warsaw)
+# Copyright (C) 2001-2004 Python Software Foundation
+# Author: barry@python.org (Barry Warsaw)
-"""Module containing encoding functions for Image.Image and Text.Text.
-"""
+"""Encodings and related functions."""
import base64
try:
orig.encode('ascii')
except UnicodeError:
- msg['Content-Transfer-Encoding'] = '8bit'
+ # iso-2022-* is non-ASCII but still 7-bit
+ charset = msg.get_charset()
+ output_cset = charset and charset.output_charset
+ if output_cset and output_cset.lower().startswith('iso-2202-'):
+ msg['Content-Transfer-Encoding'] = '7bit'
+ else:
+ msg['Content-Transfer-Encoding'] = '8bit'
else:
msg['Content-Transfer-Encoding'] = '7bit'