From 6a3bbdd20a8fac82f161f353c40604387f52cb09 Mon Sep 17 00:00:00 2001
From: Yasuhito FUTATSUKI at POEM <futatuki@poem.co.jp>
Date: Fri, 22 Jun 2018 01:23:09 +0900
Subject: enhance i18n of listinfo overview * make sure list's description
 charset as its preferred_language's * get description as a string of charset
 caller wanted

---
 Mailman/Cgi/admin.py    |  2 +-
 Mailman/Cgi/listinfo.py |  2 +-
 Mailman/Gui/GUIBase.py  |  8 ++++++++
 Mailman/MailList.py     | 21 +++++++++++++++++++++
 4 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/Mailman/Cgi/admin.py b/Mailman/Cgi/admin.py
index f77b358e..f028052d 100644
--- a/Mailman/Cgi/admin.py
+++ b/Mailman/Cgi/admin.py
@@ -295,7 +295,7 @@ def admin_overview(msg=''):
             else:
                 advertised.append((mlist.GetScriptURL('admin'),
                                    mlist.real_name,
-                                   mlist.description))
+                                   mlist.GetDescription()))
     # Greeting depends on whether there was an error or not
     if msg:
         greeting = FontAttr(msg, color="ff5060", size="+1")
diff --git a/Mailman/Cgi/listinfo.py b/Mailman/Cgi/listinfo.py
index b55c263d..f1b455da 100644
--- a/Mailman/Cgi/listinfo.py
+++ b/Mailman/Cgi/listinfo.py
@@ -114,7 +114,7 @@ def listinfo_overview(msg=''):
             else:
                 advertised.append((mlist.GetScriptURL('listinfo'),
                                    mlist.real_name,
-                                   Utils.websafe(mlist.description)))
+                                   Utils.websafe(mlist.GetDescription())))
     if msg:
         greeting = FontAttr(msg, color="ff5060", size="+1")
     else:
diff --git a/Mailman/Gui/GUIBase.py b/Mailman/Gui/GUIBase.py
index 95d7d177..67e79036 100644
--- a/Mailman/Gui/GUIBase.py
+++ b/Mailman/Gui/GUIBase.py
@@ -138,6 +138,14 @@ class GUIBase:
     def _setValue(self, mlist, property, val, doc):
         # Set the value, or override to take special action on the property
         if not property.startswith('_') and getattr(mlist, property) <> val:
+            if property == 'preferred_language':
+                ocs = Utils.GetCharSet(getattr(mlist, property)) or 'us-ascii'
+                ncs = Utils.GetCharSet(val) or 'us-ascii'
+                odesc = getattr(mlist, 'description')
+                if ocs != ncs and not isinstance(odesc, unicode):
+                    setattr(mlist, 'description',
+                            Utils.xml_to_unicode(odesc, ocs).encode(
+                                                    ncs, 'xmlcharrefreplace'))
             setattr(mlist, property, val)
 
     def _postValidate(self, mlist, doc):
diff --git a/Mailman/MailList.py b/Mailman/MailList.py
index 83717f40..8e2518c5 100644
--- a/Mailman/MailList.py
+++ b/Mailman/MailList.py
@@ -262,6 +262,27 @@ class MailList(HTMLFormatter, Deliverer, ListAdmin,
             user = Utils.ObscureEmail(user)
         return '%s/%s' % (url, urllib.quote(user.lower()))
 
+    def GetDescription(self, cset=None, errors='xmlcharrefreplace'):
+        # Get list's description in charset specified by cset.
+        # If cset is None, it uses charset of context language.
+        mcset = Utils.GetCharSet(self.preferred_language)
+        if cset is None:
+            # translation context may not be initialized
+            trns = i18n.get_translation()
+            if trns is None:
+                ccset = 'us-ascii'
+            else:
+                ccset = i18n.get_translation().charset() or 'us-ascii'
+        else:
+            ccset = cset
+        if isinstance(self.description, unicode):
+            return self.description.encode(ccset, errors)
+        if mcset == ccset:
+            return self.description
+        return Utils.xml_to_unicode(self.description, mcset).encode(ccset,
+                                                                    errors)
+
+
 
     #
     # Instance and subcomponent initialization
-- 
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