support repositories to manage backends (closes #747)

modules/transilien/backend.py

@@ -0,0 +1,67 @@
+# -*- coding: utf-8 -*-
+
+# Copyright(C) 2010-2011 Julien Hébert, Romain Bignon
+#
+# This file is part of weboob.
+#
+# weboob 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.
+#
+# weboob 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 weboob. If not, see <http://www.gnu.org/licenses/>.
+
+
+from __future__ import with_statement
+
+from weboob.capabilities.travel import ICapTravel, Station, Departure, RoadStep
+from weboob.tools.backend import BaseBackend
+
+from .browser import Transilien
+from .stations import STATIONS
+
+class TransilienBackend(BaseBackend, ICapTravel):
+    NAME = 'transilien'
+    MAINTAINER = u'Julien Hébert'
+    EMAIL = 'juke@free.fr'
+    VERSION = '0.a'
+    LICENSE = 'AGPLv3+'
+    DESCRIPTION = "Transports in Paris"
+    BROWSER = Transilien
+
+    def iter_station_search(self, pattern):
+        pattern = pattern.lower()
+        for _id, name in STATIONS.iteritems():
+            if name.lower().find(pattern) >= 0:
+                yield Station(_id, name)
+
+    def iter_station_departures(self, station_id, arrival_id=None):
+        with self.browser:
+            for i, d in enumerate(self.browser.iter_station_departures(station_id, arrival_id)):
+                departure = Departure(i, d['type'], d['time'])
+                departure.departure_station = d['departure']
+                departure.arrival_station = d['arrival']
+                departure.late = d['late']
+                departure.information = d['late_reason']
+                departure.plateform = d['plateform']
+                yield departure
+
+    def iter_roadmap(self, departure, arrival, filters):
+        with self.browser:
+            roadmap = self.browser.get_roadmap(departure, arrival, filters)
+
+        for s in roadmap['steps']:
+            step = RoadStep(s['id'])
+            step.line = s['line']
+            step.start_time = s['start_time']
+            step.end_time = s['end_time']
+            step.departure = s['departure']
+            step.arrival = s['arrival']
+            step.duration = s['duration']
+            yield step