Fixed #26544 -- Delayed translations of SetPasswordForm help_texts

Thanks Michael Bitzi for the reporti and Tim Graham for the review.

django/contrib/auth/password_validation.py

@@ -10,9 +10,10 @@ from django.core.exceptions import ImproperlyConfigured, ValidationError
 from django.utils import lru_cache
 from django.utils._os import upath
 from django.utils.encoding import force_text
+from django.utils.functional import lazy
 from django.utils.html import format_html
 from django.utils.module_loading import import_string
-from django.utils.six import string_types
+from django.utils.six import string_types, text_type
 from django.utils.translation import ugettext as _, ungettext
 
 
@@ -77,7 +78,7 @@ def password_validators_help_texts(password_validators=None):
     return help_texts
 
 
-def password_validators_help_text_html(password_validators=None):
+def _password_validators_help_text_html(password_validators=None):
     """
     Return an HTML string with all help texts of all configured validators
     in an <ul>.
@@ -85,6 +86,7 @@ def password_validators_help_text_html(password_validators=None):
     help_texts = password_validators_help_texts(password_validators)
     help_items = [format_html('<li>{}</li>', help_text) for help_text in help_texts]
     return '<ul>%s</ul>' % ''.join(help_items) if help_items else ''
+password_validators_help_text_html = lazy(_password_validators_help_text_html, text_type)
 
 
 class MinimumLengthValidator(object):

docs/releases/1.9.7.txt

@@ -11,3 +11,6 @@ Bugfixes
 
 * Removed the need for the ``request`` context processor on the admin login
   page to fix a regression in 1.9 (:ticket:`26558`).
+
+* Fixed translation of password validators' ``help_text`` in forms
+  (:ticket:`26544`).

tests/auth_tests/test_forms.py

@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
 import datetime
@@ -350,6 +351,23 @@ class SetPasswordFormTest(TestDataMixin, TestCase):
         self.assertEqual(form.cleaned_data['new_password1'], data['new_password1'])
         self.assertEqual(form.cleaned_data['new_password2'], data['new_password2'])
 
+    @override_settings(AUTH_PASSWORD_VALIDATORS=[
+        {'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator'},
+        {'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator', 'OPTIONS': {
+            'min_length': 12,
+        }},
+    ])
+    def test_help_text_translation(self):
+        french_help_texts = [
+            'Votre mot de passe ne peut pas trop ressembler à vos autres informations personnelles.',
+            'Votre mot de passe doit contenir au minimum 12 caractères.',
+        ]
+        form = SetPasswordForm(self.u1)
+        with translation.override('fr'):
+            html = form.as_p()
+            for french_text in french_help_texts:
+                self.assertIn(french_text, html)
+
 
 class PasswordChangeFormTest(TestDataMixin, TestCase):