git.maemo.org Git - jamaendo/blob - jamaui/settings.py

   1 #!/usr/bin/env python
   2 #
   3 # This file is part of Jamaendo.
   4 # Copyright (c) 2010 Kristoffer Gronlund
   5 #
   6 # Jamaendo is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # Jamaendo is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with Jamaendo.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19 # Player code heavily based on http://thpinfo.com/2008/panucci/:
  20 #  A resuming media player for Podcasts and Audiobooks
  21 #  Copyright (c) 2008-05-26 Thomas Perl <thpinfo.com>
  22 #  (based on http://pygstdocs.berlios.de/pygst-tutorial/seeking.html)
  23 #
  24 import cPickle, os
  25 import logging
  26 import jamaendo
  27 import datetime
  28
  29 from postoffice import postoffice
  30
  31 VERSION = 1
  32 log = logging.getLogger(__name__)
  33
  34 class Settings(object):
  35     defaults = {
  36         'volume':0.1,
  37         'user':None,
  38         'favorites':set([]), # local favorites - until we can sync back
  39         'playlists':{},
  40         }
  41
  42     def __init__(self):
  43         self.__savename = "/tmp/jamaendo_uisettings"
  44         for k,v in self.defaults.iteritems():
  45             setattr(self, k, v)
  46
  47     def __setattr__(self, key, value):
  48         object.__setattr__(self, key, value)
  49         if key in self.defaults.keys():
  50             postoffice.notify('settings-changed', key, value)
  51
  52     def set_filename(self, savename):
  53         self.__savename = savename
  54
  55     def favorite(self, album):
  56         self.favorites.add(('album', album.ID))
  57         self.save()
  58         postoffice.notify('settings-changed', 'favorites', self.favorites)
  59
  60     def get_playlist(self, playlist, get_track_objects=True):
  61         entry = self.playlists.get(playlist)
  62         if entry:
  63             if get_track_objects:
  64                 return [jamaendo.Track(item['id'], item['data']) for item in entry]
  65             return entry
  66         return None
  67
  68     def add_to_playlist(self, playlist, track):
  69         if isinstance(track, jamaendo.Track):
  70             track = {'id':track.ID, 'data':track.get_data()}
  71         assert(isinstance(track, dict))
  72         lst = self.playlists.get(playlist)
  73         if not lst:
  74             lst = []
  75             self.playlists[playlist] = lst
  76         lst.append(track)
  77         postoffice.notify('settings-changed', 'playlists', self.playlists)
  78         log.debug("playlists is now %s", self.playlists)
  79
  80     def load(self):
  81         if not os.path.isfile(self.__savename):
  82             return
  83         try:
  84             f = open(self.__savename)
  85             settings = cPickle.load(f)
  86             f.close()
  87
  88             if settings['version'] > VERSION:
  89                 log.warning("Settings version %s higher than current version (%s)",
  90                             settings['version'], VERSION)
  91
  92             for k in self.defaults.keys():
  93                 if k in settings:
  94                     if k == 'playlists' and not isinstance(k, dict):
  95                         continue
  96                     setattr(self, k, settings[k])
  97             print settings
  98         except Exception, e:
  99             log.exception('failed to load settings')
 100
 101     def save(self):
 102         try:
 103             settings = {
 104                 'version':VERSION,
 105                 }
 106             for k in self.defaults.keys():
 107                 settings[k] = getattr(self, k)
 108             f = open(self.__savename, 'w')
 109             cPickle.dump(settings, f)
 110             f.close()
 111             print settings
 112         except Exception, e:
 113             log.exception('failed to save settings')
 114
 115 settings = Settings()