# -*- Mode: python; coding: utf-8; tab-width: 8; indent-tabs-mode: t; -*- # # Copyright (C) 2009 John Iacona # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # The Rhythmbox authors hereby grant permission for non-GPL compatible # GStreamer plugins to be used and distributed together with GStreamer # and Rhythmbox. This permission is above and beyond the permissions granted # by the GPL license by which Rhythmbox is covered. If you modify this code # you may extend this exception to your version of the code, but you are not # obligated to do so. If you do not wish to do so, delete this exception # statement from your version. # # This program 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 General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. import os import urllib.request, urllib.parse from mako.template import Template import json import LastFM import rb from gi.repository import RB from gi.repository import GObject, Gtk from gi.repository import WebKit import gettext gettext.install('rhythmbox', RB.locale_dir()) class AlbumTab (GObject.GObject): __gsignals__ = { 'switch-tab' : (GObject.SIGNAL_RUN_LAST, GObject.TYPE_NONE, (GObject.TYPE_STRING,)) } def __init__ (self, shell, buttons, ds, view): GObject.GObject.__init__ (self) self.shell = shell self.sp = shell.props.shell_player self.db = shell.props.db self.buttons = buttons self.button = Gtk.ToggleButton (label=_("Albums")) self.ds = ds self.view = view self.artist = None self.active = False self.button.show() self.button.set_relief (Gtk.ReliefStyle.NONE) self.button.set_focus_on_click(False) self.button.connect ('clicked', lambda button: self.emit ('switch-tab', 'album')) buttons.pack_start (self.button, True, True, 0) def activate (self): self.button.set_active(True) self.active = True self.reload () def deactivate (self): self.button.set_active(False) self.active = False def reload (self): entry = self.sp.get_playing_entry () if entry is None: return None artist = entry.get_string (RB.RhythmDBPropType.ARTIST) album = entry.get_string (RB.RhythmDBPropType.ALBUM) if self.active and artist != self.artist: self.view.loading(artist) self.ds.fetch_album_list (artist) else: self.view.load_view() self.artist = artist class AlbumView (GObject.GObject): def __init__ (self, shell, plugin, webview, ds): GObject.GObject.__init__ (self) self.webview = webview self.ds = ds self.shell = shell self.plugin = plugin self.file = "" plugindir = plugin.plugin_info.get_data_dir() self.basepath = "file://" + urllib.request.pathname2url (plugindir) self.load_tmpl () self.connect_signals () def load_view (self): self.webview.load_string(self.file, 'text/html', 'utf-8', self.basepath) def connect_signals (self): self.ds.connect('albums-ready', self.album_list_ready) def loading (self, current_artist): self.loading_file = self.loading_template.render ( artist = current_artist, # Translators: 'top' here means 'most popular'. %s is replaced by the artist name. info = _("Loading top albums for %s") % current_artist, song = "", basepath = self.basepath) self.webview.load_string (self.loading_file, 'text/html', 'utf-8', self.basepath) def load_tmpl (self): self.path = rb.find_plugin_file (self.plugin, 'tmpl/album-tmpl.html') self.loading_path = rb.find_plugin_file (self.plugin, 'tmpl/loading.html') self.album_template = Template (filename = self.path) self.loading_template = Template (filename = self.loading_path) self.styles = self.basepath + '/tmpl/main.css' def album_list_ready (self, ds): self.file = self.album_template.render (error = ds.get_error(), albums = ds.get_top_albums(), artist = ds.get_artist(), datasource = LastFM.datasource_link (self.basepath), stylesheet = self.styles) self.load_view () class AlbumDataSource (GObject.GObject): __gsignals__ = { 'albums-ready' : (GObject.SIGNAL_RUN_LAST, GObject.TYPE_NONE, ()) } def __init__ (self, info_cache, ranking_cache): GObject.GObject.__init__ (self) self.albums = None self.error = None self.artist = None self.max_albums_fetched = 8 self.fetching = 0 self.info_cache = info_cache self.ranking_cache = ranking_cache def get_artist (self): return self.artist def get_error (self): return self.error def fetch_album_list (self, artist): if LastFM.user_has_account() is False: self.error = LastFM.NO_ACCOUNT_ERROR self.emit ('albums-ready') return self.artist = artist qartist = urllib.parse.quote_plus(artist) self.error = None url = "%sartist.gettopalbums&artist=%s&api_key=%s&format=json" % ( LastFM.URL_PREFIX, qartist, LastFM.API_KEY) cachekey = 'lastfm:artist:gettopalbumsjson:%s' % qartist self.ranking_cache.fetch(cachekey, url, self.parse_album_list, artist) def parse_album_list (self, data, artist): if data is None: print("Nothing fetched for %s top albums" % artist) return False try: parsed = json.loads(data.decode("utf-8")) except Exception as e: print("Error parsing album list: %s" % e) return False self.error = parsed.get('error') if self.error: self.emit ('albums-ready') return False albums = parsed['topalbums'].get('album', []) if len(albums) == 0: self.error = "No albums found for %s" % artist self.emit('albums-ready') return True self.albums = [] albums = parsed['topalbums'].get('album', [])[:self.max_albums_fetched] self.fetching = len(albums) for i, a in enumerate(albums): images = [img['#text'] for img in a.get('image', [])] self.albums.append({'title': a.get('name'), 'images': images[:3]}) self.fetch_album_info(artist, a.get('name'), i) return True def get_top_albums (self): return self.albums def fetch_album_info (self, artist, album, index): qartist = urllib.parse.quote_plus(artist) qalbum = urllib.parse.quote_plus(album) cachekey = "lastfm:album:getinfojson:%s:%s" % (qartist, qalbum) url = "%salbum.getinfo&artist=%s&album=%s&api_key=%s&format=json" % ( LastFM.URL_PREFIX, qartist, qalbum, LastFM.API_KEY) self.info_cache.fetch(cachekey, url, self.parse_album_info, album, index) def parse_album_info (self, data, album, index): rv = True try: parsed = json.loads(data.decode('utf-8')) self.albums[index]['id'] = parsed['album']['id'] for k in ('releasedate', 'summary'): self.albums[index][k] = parsed['album'].get(k) tracklist = [] tracks = parsed['album']['tracks'].get('track', []) for i, t in enumerate(tracks): title = t['name'] duration = int(t['duration']) tracklist.append((i, title, duration)) self.albums[index]['tracklist'] = tracklist self.albums[index]['duration'] = sum([t[2] for t in tracklist]) except Exception as e: print("Error parsing album tracklist: %s" % e) rv = False self.fetching -= 1 print("%s albums left to process" % self.fetching) if self.fetching == 0: self.emit('albums-ready') return rv