#35361: SafeMIMEText.set_payload() crash on Python 3.11.9
-------------------------------------------+------------------------
Reporter: Sarah Boyce | Owner: nobody
Type: Bug | Status: new
Component: Core (Mail) | Version: 4.2
Severity: Release blocker | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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A recent bug fix to Python [https://github.com/python/cpython/issues/76511
gh-76511] has been back ported to Python 3.11 and 3.12.
See the release notes of
[https://docs.python.org/release/3.11.9/whatsnew/changelog.html#python-3-11-9
Python 3.11.9] and the soon to be released
[https://docs.python.org/3/whatsnew/changelog.html Python 3.12.3].
As part of the work to prepare Django for
[https://code.djangoproject.com/ticket/34900 Python 3.13], a fix for this
has already been merged to main in
b231bcd19e57267ce1fc21d42d46f0b65fdcfcf8.
Believe this needs to be back ported to Django 4.2 and Django 5.0 to
support the latest (or soon to be latest) Python 3.11 and Python 3.12
versions.
Confirmed when testing Django 4.2 against Python 3.11.9, we know have the
following test failure:
{{{
======================================================================
ERROR [0.034s]: test_dont_base64_encode
(tests.mail.tests.MailTests.test_dont_base64_encode)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/tests/django/tests/mail/tests.py", line 902, in
test_dont_base64_encode
s = msg.message().as_string()
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/tests/django/django/core/mail/message.py", line 133, in as_string
g.flatten(self, unixfrom=unixfrom, linesep=linesep)
File "/usr/local/lib/python3.11/email/generator.py", line 115, in
flatten
self._write(msg)
File "/usr/local/lib/python3.11/email/generator.py", line 180, in _write
self._dispatch(msg)
File "/usr/local/lib/python3.11/email/generator.py", line 217, in
_dispatch
meth(msg)
File "/usr/local/lib/python3.11/email/generator.py", line 246, in
_handle_text
msg.set_payload(msg._payload, charset)
File "/tests/django/django/core/mail/message.py", line 168, in
set_payload
has_long_lines = any(
^^^^
File "/tests/django/django/core/mail/message.py", line 169, in <genexpr>
len(line.encode()) > RFC5322_EMAIL_LINE_LENGTH_LIMIT
^^^^^^^^^^^^^
UnicodeEncodeError: 'utf-8' codec can't encode characters in position
28-33: surrogates not allowed
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/35361>
Django <https://code.djangoproject.com/>
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