1 files changed, 77 insertions, 0 deletions
diff --git a/mailman/app/archiving.py b/mailman/app/archiving.py
new file mode 100644
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+++ b/mailman/app/archiving.py
@@ -0,0 +1,77 @@
+# Copyright (C) 2007-2008 by the Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+# USA.
+
+"""Application level archiving support."""
+
+__all__ = [
+    'Pipermail',
+    'get_archiver',
+    ]
+__metaclass__ = type
+
+
+from string import Template
+from zope.interface import implements
+from zope.interface.verify import verifyObject
+
+from mailman.app.plugins import get_plugin
+from mailman.configuration import config
+from mailman.interfaces import IArchiver
+
+
+
+class Pipermail:
+    """The stock Pipermail archiver."""
+
+    implements(IArchiver)
+
+    def get_list_url(self, mlist):
+        """See `IArchiver`."""
+        if mlist.archive_private:
+            url = mlist.script_url('private') + '/index.html'
+        else:
+            web_host = config.domains.get(mlist.host_name, mlist.host_name)
+            url = Template(config.PUBLIC_ARCHIVE_URL).safe_substitute(
+                listname=mlist.fqdn_listname,
+                hostname=web_host,
+                fqdn_listname=mlist.fqdn_listname,
+                )
+        return url
+
+    def get_message_url(self, mlist, message):
+        """See `IArchiver`."""
+        # Not currently implemented.
+        return None
+
+    def archive_message(self, mlist, message):
+        """See `IArchiver`."""
+        return None
+
+
+
+_archiver = None
+
+def get_archiver():
+    """Return the currently registered global archiver.
+
+    Uses the plugin architecture to find the IArchiver instance.
+    """
+    global _archiver
+    if _archiver is None:
+        _archiver = get_plugin('mailman.archiver')()
+        verifyObject(IArchiver, _archiver)
+    return _archiver