Added module itella

This module enables parceloob to track parcels sent with Itella, the
finnish postal service.

This version of the patch contains a favicon and replaces the previous patch
with the same title.

Signed-off-by: Matthieu Weber <mweber+weboob@free.fr>

modules/itella/pages.py

@@ -0,0 +1,63 @@
+# -*- coding: utf-8 -*-
+
+# Copyright(C) 2015      Matthieu Weber
+#
+# 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 dateutil.parser import parse as parse_date
+
+from weboob.browser.pages import HTMLPage
+from weboob.capabilities.parcel import Parcel, Event, ParcelNotFound
+
+
+class SearchPage(HTMLPage):
+    def get_info(self, _id):
+        result_id = self.doc.xpath('//table[@id="shipment-details-table"]//tr[position()=1]/td[@id="td-bold"]')
+        if not result_id:
+            raise ParcelNotFound("No such ID: %s" % _id)
+        result_id = result_id[0].text
+        if result_id != _id:
+            raise ParcelNotFound("ID mismatch: expecting %s, got %s" % (_id, result_id))
+
+        p = Parcel(id)
+        events = self.doc.xpath('//div[@id="shipment-event-table-cell"]')
+        p.history = [self.build_event(i, div) for i, div in enumerate(events)]
+        most_recent = p.history[0]
+        p.status, p.info = self.guess_status(p.history)
+        p.info = most_recent.activity
+        return p
+
+    def guess_status(self, events):
+        for event in events:
+            txt = event.activity
+            if txt == "Itella has received advance information of the item.":
+                return Parcel.STATUS_PLANNED, txt
+            elif txt == "Item in sorting." or txt == "Item has been registered.":
+                return Parcel.STATUS_IN_TRANSIT, txt
+            elif txt.startswith("Item ready for pick up") or \
+                    txt.startswith("A notice of arrival has been sent to the recipient"):
+                return Parcel.STATUS_ARRIVED, txt
+        else:
+            return Parcel.STATUS_UNKNOWN, events[0].activity
+
+    def build_event(self, index, div):
+        event = Event(index)
+        event.activity = unicode(div.xpath('div[@class="shipment-event-table-header"]')[0].text)
+        event.date = parse_date(div.xpath('.//span[@class="shipment-event-table-label" and text()="Registration:"]/'
+                                          'following-sibling::span')[0].text)
+        event.location = unicode(div.xpath('.//span[@class="shipment-event-table-label" and text()="Location:"]/'
+                                           'following-sibling::span')[0].text)
+        return event