--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/twisted/plugins/libervia_server.py	Tue May 20 06:41:16 2014 +0200
@@ -0,0 +1,92 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# Libervia: a Salut à Toi frontend
+# Copyright (C) 2013  Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from twisted.internet import defer
+if defer.Deferred.debug:
+    # if we are in debug mode, we want to use ipdb instead of pdb
+    try:
+        import ipdb
+        import pdb
+        pdb.set_trace = ipdb.set_trace
+        pdb.post_mortem = ipdb.post_mortem
+    except ImportError:
+        pass
+
+# XXX: We need to configure logs before any log method is used, so here is the best place.
+from libervia.server.constants import Const as C
+from sat.core import log_config
+log_config.satConfigure(C.LOG_BACKEND_TWISTED, C)
+
+from zope.interface import implements
+
+from twisted.python import usage
+from twisted.plugin import IPlugin
+from twisted.application.service import IServiceMaker
+
+from ConfigParser import SafeConfigParser, NoSectionError, NoOptionError
+try:
+    from libervia.server.server import Libervia
+    opt_params = Libervia.OPT_PARAMETERS
+except (ImportError, SystemExit):
+    # avoid raising an error when you call twisted and sat is not launched
+    opt_params = []
+
+
+class Options(usage.Options):
+
+    # optArgs is not really useful in our case, we need more than a flag
+    optParameters = opt_params
+
+    def __init__(self):
+        """You want to read SàT configuration file now in order to overwrite the hard-coded default values.
+        This is because the priority for the usage of the values is (from lowest to highest):
+        - hard-coded default values
+        - values from SàT configuration files
+        - values passed on the command line
+        If you do it later: after the command line options have been parsed, there's no good way to know
+        if the  options values are the hard-coded ones or if they have been passed on the command line.
+        """
+        config = SafeConfigParser()
+        config.read(C.CONFIG_FILES)
+        for index, param in list(enumerate(self.optParameters)):
+            # index is only used to not modify the loop variable "param"
+            name = param[0]
+            try:
+                value = config.get('libervia', name)
+                self.optParameters[index][2] = param[4](value)
+            except (NoSectionError, NoOptionError):
+                pass
+        usage.Options.__init__(self)
+
+
+class LiberviaMaker(object):
+    implements(IServiceMaker, IPlugin)
+
+    tapname = 'libervia'
+    # FIXME: twistd bugs when printing 'à' on "Unknown command" error (works on normal command listing)
+    description = u'The web frontend of Salut a Toi'
+    options = Options
+
+    def makeService(self, options):
+        return Libervia(**dict(options))  # get rid of the usage.Option overload
+
+
+# affectation to some variable is necessary for twisted introspection to work
+serviceMaker = LiberviaMaker()
+