Log message for revision 71089:
  merged r71088 from 1.5 branch:
  
  - backported changes from Zope 3.3's zope.i18n

Changed:
  U   Products.Five/trunk/CHANGES.txt
  U   Products.Five/trunk/i18n.py
  U   Products.Five/trunk/tests/test_i18n.py

-=-
Modified: Products.Five/trunk/CHANGES.txt
===================================================================
--- Products.Five/trunk/CHANGES.txt     2006-11-06 14:46:59 UTC (rev 71088)
+++ Products.Five/trunk/CHANGES.txt     2006-11-06 14:55:04 UTC (rev 71089)
@@ -11,6 +11,12 @@
 * Port code from Zope 3 making resource directories recursive.
   Thanks to Richard Waid.
 
+Five 1.5.2 (unreleased)
+=======================
+
+* i18n: Synced FiveTranslationService implementation with Zope 3.3. This makes
+  sure that the TestMessageFallbackDomain is used if registered.
+
 Five 1.5.1 (2006-11-04)
 =======================
 

Modified: Products.Five/trunk/i18n.py
===================================================================
--- Products.Five/trunk/i18n.py 2006-11-06 14:46:59 UTC (rev 71088)
+++ Products.Five/trunk/i18n.py 2006-11-06 14:55:04 UTC (rev 71089)
@@ -17,13 +17,14 @@
 """
 from Acquisition import aq_acquire
 from zope.interface import implements
-from zope.i18n import interpolate
-from zope.i18n.interfaces import ITranslationDomain, IUserPreferredLanguages
+from zope.i18n.interfaces import IFallbackTranslationDomainFactory
+from zope.i18n.interfaces import ITranslationDomain
+from zope.i18n.interfaces import IUserPreferredLanguages
 from zope.i18n.negotiator import normalize_lang
 from zope.component import queryUtility
-from zope.publisher.browser import BrowserLanguages
 from zope.i18nmessageid import Message
 
+
 class FiveTranslationService:
     """Translation service that delegates to ``zope.i18n`` machinery.
     """
@@ -36,8 +37,20 @@
             default = msgid.default
             mapping = msgid.mapping
 
-        util = queryUtility(ITranslationDomain, domain)
+        if default is None:
+            default = unicode(msgid)
 
+        if domain:
+            util = queryUtility(ITranslationDomain, domain)
+            if util is None:
+                util = queryUtility(IFallbackTranslationDomainFactory)
+                if util is not None:
+                    util = util(domain)
+        else:
+            util = queryUtility(IFallbackTranslationDomainFactory)
+            if util is not None:
+                util = util()
+
         if util is None:
             # fallback to translation service that was registered,
             # DummyTranslationService the worst

Modified: Products.Five/trunk/tests/test_i18n.py
===================================================================
--- Products.Five/trunk/tests/test_i18n.py      2006-11-06 14:46:59 UTC (rev 
71088)
+++ Products.Five/trunk/tests/test_i18n.py      2006-11-06 14:55:04 UTC (rev 
71089)
@@ -56,6 +56,38 @@
       u'Dies ist eine explizite Nachricht'
     """
 
+def test_FiveTranslationService():
+    """
+    Test FiveTranslationService. First we need the GlobalTranslationService:
+
+      >>> from Products.PageTemplates import GlobalTranslationService
+      >>> GTS = GlobalTranslationService.getGlobalTranslationService()
+
+    Now, take an arbitrary message id from an arbitrary domain:
+
+      >>> from zope.i18nmessageid import MessageFactory
+      >>> from zope.i18n import translate
+      >>> _ = MessageFactory('random')
+      >>> msg = _(u'explicit-msg', u'This is an explicit message')
+
+    By default, the i18n message is translated by the DummyTranslationService:
+
+      >>> GTS.translate('default', msg, target_language='test')
+      u'This is an explicit message'
+
+    Now, register the TestMessageFallbackDomain:
+
+      >>> from zope.component import provideUtility
+      >>> from zope.i18n.testmessagecatalog import TestMessageFallbackDomain
+      >>> provideUtility(TestMessageFallbackDomain)
+
+    The i18n message is now translated by the TestMessageFallbackDomain:
+
+      >>> GTS.translate('default', msg, target_language='test')
+      u'[[random][explicit-msg (This is an explicit message)]]'
+    """
+
+
 def test_suite():
     from zope.testing.doctest import DocTestSuite
     return DocTestSuite(setUp=setUp, tearDown=tearDown)

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