patch Django for Python 3.13 (#89506)

roles/base/files/django-b231bcd19e57267ce1fc21d42d46f0b65fdcfcf8.patch

@@ -0,0 +1,23 @@
+commit b231bcd19e57267ce1fc21d42d46f0b65fdcfcf8
+Author: Mariusz Felisiak <felisiak.mariusz@gmail.com>
+Date:   Fri Mar 15 12:51:40 2024 +0100
+
+    Refs #34900 -- Fixed SafeMIMEText.set_payload() crash on Python 3.13.
+    
+    Payloads with surrogates are passed to the set_payload() since
+    https://github.com/python/cpython/commit/f97f25ef5dfcdfec0d9a359fd970abd139cf3428
+
+diff --git a/django/core/mail/message.py b/django/core/mail/message.py
+index 4f8c93e9e5..205c680561 100644
+--- a/django/core/mail/message.py
++++ b/django/core/mail/message.py
+@@ -168,7 +168,8 @@ class SafeMIMEText(MIMEMixin, MIMEText):
+     def set_payload(self, payload, charset=None):
+         if charset == "utf-8" and not isinstance(charset, Charset.Charset):
+             has_long_lines = any(
+-                len(line.encode()) > RFC5322_EMAIL_LINE_LENGTH_LIMIT
++                len(line.encode(errors="surrogateescape"))
++                > RFC5322_EMAIL_LINE_LENGTH_LIMIT
+                 for line in payload.splitlines()
+             )
+             # Quoted-Printable encoding has the side effect of shortening long

roles/base/tasks/main.yml

@@ -21,6 +21,7 @@
        - memcached
        - nginx
        - npm
+       - patch
        - pkg-config
        - postgresql
        - python3-apt
@@ -74,6 +75,9 @@
     src: utils.py
     dest: "{{venv_py3_site_packages}}/django/db/backends/postgresql/utils.py"
 
+- name: patch django/core/mail/message.py
+  shell: "patch -p1 {{venv_py3_site_packages}}/django/core/mail/message.py roles/base/files/django-b231bcd19e57267ce1fc21d42d46f0b65fdcfcf8.patch"
+
 - name: install django-debug-toolbar
   pip:
     name: "django-debug-toolbar<3"