add module VoyagesSNCF (CapTravel)

modules/voyagessncf/backend.py

@@ -0,0 +1,75 @@
+# -*- coding: utf-8 -*-
+
+# Copyright(C) 2013      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 weboob.tools.backend import BaseBackend
+from weboob.capabilities.travel import ICapTravel, Station, Departure
+from weboob.capabilities import UserError
+
+from .browser import VoyagesSNCFBrowser
+
+
+__all__ = ['VoyagesSNCFBackend']
+
+
+class VoyagesSNCFBackend(BaseBackend, ICapTravel):
+    NAME = 'voyagessncf'
+    DESCRIPTION = u'Voyages SNCF'
+    MAINTAINER = u'Romain Bignon'
+    EMAIL = 'romain@weboob.org'
+    LICENSE = 'AGPLv3+'
+    VERSION = '0.h'
+
+    BROWSER = VoyagesSNCFBrowser
+    STATIONS = []
+
+    def _populate_stations(self):
+        if len(self.STATIONS) == 0:
+            with self.browser:
+                self.STATIONS = self.browser.get_stations()
+
+    def iter_station_search(self, pattern):
+        self._populate_stations()
+
+        pattern = pattern.lower()
+        for _id, name in enumerate(self.STATIONS):
+            if name.lower().startswith(pattern):
+                yield Station(_id, unicode(name))
+
+    def iter_station_departures(self, station_id, arrival_id=None, date=None):
+        self._populate_stations()
+
+        if arrival_id is None:
+            raise UserError('The arrival station is required')
+
+        try:
+            station = self.STATIONS[int(station_id)]
+            arrival = self.STATIONS[int(arrival_id)]
+        except (IndexError, ValueError):
+            raise UserError('Unknown station')
+
+        with self.browser:
+            for i, d in enumerate(self.browser.iter_departures(station, arrival, date)):
+                departure = Departure(i, d['type'], d['time'])
+                departure.departure_station = d['departure']
+                departure.arrival_station = d['arrival']
+                departure.arrival_time = d['arrival_time']
+                departure.price = d['price']
+                departure.currency = d['currency']
+                yield departure