Translating safe strings should return a safe result.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@6681 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/utils/translation/trans_null.py

@@ -4,6 +4,7 @@
 
 from django.conf import settings
 from django.utils.encoding import force_unicode
+from django.utils.safestring import mark_safe, SafeData
 
 def ngettext(singular, plural, number):
     if number == 1: return singular
@@ -31,7 +32,10 @@ TECHNICAL_ID_MAP = {
 }
 
 def gettext(message):
-    return TECHNICAL_ID_MAP.get(message, message)
+    result = TECHNICAL_ID_MAP.get(message, message)
+    if isinstance(message, SafeData):
+        return mark_safe(result)
+    return result
 
 def ugettext(message):
     return force_unicode(gettext(message))

django/utils/translation/trans_real.py

@@ -8,6 +8,7 @@ import gettext as gettext_module
 from cStringIO import StringIO
 
 from django.utils.encoding import force_unicode
+from django.utils.safestring import mark_safe, SafeData
 
 try:
     import threading
@@ -271,11 +272,15 @@ def do_translate(message, translation_function):
     global _default, _active
     t = _active.get(currentThread(), None)
     if t is not None:
-        return getattr(t, translation_function)(message)
+        result = getattr(t, translation_function)(message)
+    else:
         if _default is None:
             from django.conf import settings
             _default = translation(settings.LANGUAGE_CODE)
-    return getattr(_default, translation_function)(message)
+        result = getattr(_default, translation_function)(message)
+    if isinstance(message, SafeData):
+        return mark_safe(result)
+    return result
 
 def gettext(message):
     return do_translate(message, 'gettext')

tests/regressiontests/i18n/tests.py

@@ -4,7 +4,7 @@ import misc
 regressions = ur"""
 Format string interpolation should work with *_lazy objects.
 
->>> from django.utils.translation import ugettext_lazy, activate, deactivate, gettext_lazy
+>>> from django.utils.translation import ugettext, ugettext_lazy, activate, deactivate, gettext_lazy
 >>> s = ugettext_lazy('Add %(name)s')
 >>> d = {'name': 'Ringo'}
 >>> s % d
@@ -39,6 +39,18 @@ unicode(string_concat(...)) should not raise a TypeError - #4796
 <module 'django.utils.translation' from ...>
 >>> unicode(django.utils.translation.string_concat("dja", "ngo"))
 u'django'
+
+Translating a string requiring no auto-escaping shouldn't change the "safe"
+status.
+
+>>> from django.utils.safestring import mark_safe
+>>> s = mark_safe('Password')
+>>> type(s)
+<class 'django.utils.safestring.SafeString'>
+>>> activate('de')
+>>> type(ugettext(s))
+<class 'django.utils.safestring.SafeUnicode'>
+>>> deactivate()
 """
 
 __test__ = {