# HG changeset patch
# User Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
# Date 1232013045 -3600
# Node ID cc9e8986d55e93b262f6e48397ece394e4a9a2f0
# Parent  5269bfc6813f31d6f6140b08cb3f093cef10bc03
sort email addresses and remove doubled ones before sending the email

diff -r 5269bfc6813f -r cc9e8986d55e common/mail.py
--- a/common/mail.py	Thu Jan 15 08:47:18 2009 +0100
+++ b/common/mail.py	Thu Jan 15 10:50:45 2009 +0100
@@ -56,9 +56,10 @@
         msg['Reply-to'] = msg['From']
     if config is not None:
         msg['X-CW'] = config.appid
-    msg['To'] = ', '.join(addrheader(addr) for addr in to_addrs if addr is not None)
+    unique_addrs = lambda addrs: sorted(set(addr for addr in addrs if addr is not None))
+    msg['To'] = ', '.join(addrheader(addr) for addr in unique_addrs(to_addrs))
     if cc_addrs:
-        msg['Cc'] = ', '.join(addrheader(addr) for addr in cc_addrs if addr is not None)
+        msg['Cc'] = ', '.join(addrheader(addr) for addr in unique_addrs(cc_addrs))
     if msgid:
         msg['Message-id'] = msgid
     if references: