1 # Copyright (C) 2008-2009 by the Free Software Foundation, Inc.
3 # This file is part of GNU Mailman.
5 # GNU Mailman is free software: you can redistribute it and/or modify it under
6 # the terms of the GNU General Public License as published by the Free
7 # Software Foundation, either version 3 of the License, or (at your option)
10 # GNU Mailman is distributed in the hope that it will be useful, but WITHOUT
11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 # You should have received a copy of the GNU General Public License along with
16 # GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
18 """The built in set of pipeline handlers."""
20 from __future__
import absolute_import
, unicode_literals
31 from mailman
.interfaces
.handler
import IHandler
35 def builtin_handlers():
36 """Return the built-in handlers.
38 Rules are auto-discovered by searching for IHandler implementations in all
39 importable modules in this subpackage.
41 # Find all rules found in all modules inside our package.
42 import mailman
.pipeline
43 here
= os
.path
.dirname(mailman
.pipeline
.__file
__)
44 for filename
in os
.listdir(here
):
45 basename
, extension
= os
.path
.splitext(filename
)
46 if extension
<> '.py':
48 module_name
= 'mailman.pipeline.' + basename
49 __import__(module_name
, fromlist
='*')
50 module
= sys
.modules
[module_name
]
51 for name
in getattr(module
, '__all__', ()):
52 handler
= getattr(module
, name
)
53 if IHandler
.implementedBy(handler
):