Move all canalplus pages in one file

There isn't enough code to justify multiple files.
Also includes pep8 fixes.

modules/canalplus/pages.py

@@ -0,0 +1,115 @@
+# -*- coding: utf-8 -*-
+
+# Copyright(C) 2010-2012 Nicolas Duhamel, Laurent Bachelier
+#
+# 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 datetime import datetime
+
+from weboob.tools.browser import BasePage
+from weboob.capabilities.collection import Collection
+from weboob.capabilities.base import NotAvailable
+from weboob.tools.capabilities.thumbnail import Thumbnail
+
+from .video import CanalplusVideo
+
+__all__ = ['ChannelsPage', 'VideoPage']
+
+
+class ChannelsPage(BasePage):
+    def get_channels(self):
+        """
+        Extract all possible channels (paths) from the page
+        """
+        channels = list()
+        for elem in self.document[2].getchildren():
+            for e in elem.getchildren():
+                if e.tag == "NOM":
+                    name = unicode(e.text.strip())
+                    channels.append(Collection([name]))
+                elif e.tag == "SELECTIONS":
+                    for select in e:
+                        subname = unicode(select[1].text.strip())
+                        sub = Collection([name, subname])
+                        sub._link_id = select[0].text
+                        channels.append(sub)
+        return channels
+
+
+class VideoPage(BasePage):
+    def parse_video(self, el, video=None, quality=None):
+        _id = el.find('ID').text
+        if _id == '-1':
+            # means the video is not found
+            return None
+
+        if not video:
+            video = CanalplusVideo(_id)
+
+        infos = el.find('INFOS')
+        video.title = u''
+        for part in infos.find('TITRAGE'):
+            if len(part.text.strip()) == 0:
+                continue
+            if len(video.title) > 0:
+                video.title += u' — '
+            video.title += part.text.strip()
+        video.description = infos.find('DESCRIPTION').text
+
+        media = el.find('MEDIA')
+        url = media.find('IMAGES').find('PETIT').text
+        if url:
+            video.thumbnail = Thumbnail(url)
+        else:
+            video.thumbnail = NotAvailable
+        lastest_format = None
+        for format in media.find('VIDEOS'):
+            if format.text is None:
+                continue
+            if format.tag == quality:
+                video.url = format.text
+                break
+            lastest_format = format
+        if not video.url and lastest_format is not None:
+            video.url = lastest_format.text
+
+        day, month, year = map(int, infos.find('PUBLICATION').find('DATE').text.split('/'))
+        hour, minute, second = map(int, infos.find('PUBLICATION').find('HEURE').text.split(':'))
+        video.date = datetime(year, month, day, hour, minute, second)
+
+        return video
+
+    def iter_results(self):
+        for vid in self.document.getchildren():
+            yield self.parse_video(vid)
+
+    def iter_channel(self):
+        for vid in self.document.getchildren():
+            yield self.parse_video_channel(vid)
+
+    def parse_video_channel(self, el):
+        _id = el[0].text
+        video = CanalplusVideo(_id)
+        video.title = el[2][3][0].text
+        video.date = datetime.now()
+        return video
+
+    def get_video(self, video, quality):
+        _id = self.group_dict['id']
+        for vid in self.document.getchildren():
+            if not _id in vid.find('ID').text:
+                continue
+            return self.parse_video(vid, video, quality)