new lyrics backend: parolesnet

modules/parolesnet/pages.py

@@ -0,0 +1,86 @@
+# -*- coding: utf-8 -*-
+
+# Copyright(C) 2013 Julien Veyssier
+#
+# 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.capabilities.lyrics import SongLyrics
+from weboob.capabilities.base import NotAvailable, NotLoaded
+from weboob.tools.browser import BasePage
+
+
+__all__ = ['ResultsPage', 'SonglyricsPage', 'ArtistSongsPage', 'HomePage']
+
+
+class HomePage(BasePage):
+    def iter_lyrics(self, criteria, pattern):
+        self.browser.select_form(nr=0)
+        self.browser['search'] = pattern
+        self.browser.submit()
+        assert self.browser.is_on_page(ResultsPage)
+        for lyr in self.browser.page.iter_lyrics(criteria):
+            yield lyr
+
+
+class ResultsPage(BasePage):
+    def iter_lyrics(self, criteria):
+        for link in self.parser.select(self.document.getroot(), 'div.box-content td.song-name a'):
+            href = link.attrib.get('href','')
+            if criteria == 'artist':
+                if len(href.split('/')) != 4:
+                    continue
+                else:
+                    self.browser.location('%s' % href)
+                    assert self.browser.is_on_page(ArtistSongsPage) or self.browser.is_on_page(SonglyricsPage)
+                    for lyr in self.browser.page.iter_lyrics():
+                        yield lyr
+            else:
+                if len(href.split('/')) != 5:
+                    continue
+                else:
+                    artist = unicode(self.parser.select(link.getparent().getparent().getparent(), 'td.song-artist > p', 1).text.strip())
+                    title = unicode(link.text)
+                    id = unicode(link.attrib.get('href', '').replace('http://www.paroles.net/',''))
+                    lyr = SongLyrics(id, title)
+                    lyr.artist = artist
+                    yield lyr
+
+
+class ArtistSongsPage(BasePage):
+    def iter_lyrics(self):
+        artist = unicode(self.parser.select(self.document.getroot(), 'span[itemprop=name]', 1).text)
+        for link in self.parser.select(self.document.getroot(), 'td.song-name > p[itemprop=name] > a[itemprop=url]'):
+            href = unicode(link.attrib.get('href', ''))
+            title = unicode(link.text)
+            id = href.replace('http://www.paroles.net/', '')
+            songlyrics = SongLyrics(id, title)
+            songlyrics.artist = artist
+            songlyrics.content = NotLoaded
+            yield songlyrics
+
+
+class SonglyricsPage(BasePage):
+    def get_lyrics(self, id):
+        artist = NotAvailable
+        title = NotAvailable
+        content = unicode(self.parser.select(self.document.getroot(), 'div.song-text', 1).text_content().strip())
+        artist = unicode(self.parser.select(self.document.getroot(), 'span[property$=artist]', 1).text)
+        title = unicode(self.parser.select(self.document.getroot(), 'span[property$=name]', 1).text)
+        songlyrics = SongLyrics(id, title)
+        songlyrics.artist = artist
+        songlyrics.content = content
+        return songlyrics