vcs.maemo.org Git - remotepc/blob - pcremote-server-desktop-60/debian/pcremote-server/usr/share/pcremote-server/players/.svn/text-base/playlist.py.svn-base

   1 # -*- coding: utf-8 -*-
   2
   3 #  ****************************************************************************
   4 #  Copyright (c) 2008 INdT/Fucapi.
   5 #  This program is free software: you can redistribute it and/or modify
   6 #  it under the terms of the GNU Lesser General Public License as published by
   7 #  the Free Software Foundation, either version 3 of the License, or
   8 #  (at your option) any later version.
   9 #
  10 #  This program is distributed in the hope that it will be useful,
  11 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 #  GNU Lesser General Public License for more details.
  14 #
  15 #  You should have received a copy of the GNU Lesser General Public License
  16 #  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 #
  18 #  ============================================================================
  19 #  Project Name : PC Remote
  20 #  Author       : Jonatas Isvi
  21 #  Email        : jonatas.nona@gmail.com
  22 #  Reviewer     :
  23 #  Email        :
  24 #  Version      : 1.0
  25 #  Package      : players
  26 #  Description  : Playlist
  27 #  ============================================================================
  28
  29 import plistparser
  30 import pydcop
  31
  32 class Playlist():
  33
  34     """ Playlist
  35     make the interpreter and manipulation
  36     of the player playlist, creates a composite
  37     with any player class.
  38     """
  39
  40     # some importants variables
  41     # analyze if file is a playlist
  42     def __init__(self, file):
  43         if self.isPlaylist(file):
  44             self.file = file
  45             self.songs = self.load()
  46             self.currentSong = 0
  47             self.fix()
  48         else:
  49             raise("Argument is not a playlist file")
  50
  51     # analyzes the file
  52     def isPlaylist(self, file):
  53         if not file:
  54             return False
  55         else:
  56             return True
  57
  58     # make a list of dicts songs
  59     def load(self):
  60         self.songs = plistparser._request(self.file)
  61         return self.songs
  62
  63     # get the length of the current playlist
  64     def length(self):
  65         return len(self.songs)
  66
  67     # update the current song in songs list and return a song dict
  68     def update(self, track, title, artist, path, ext):
  69         self.currentSong = track
  70         if self.songs[self.currentSong - 1]['title'] == 'Unknown Title':
  71             self.songs[self.currentSong - 1]['title'] = title
  72         if self.songs[self.currentSong - 1]['artist'] == 'Unknown Artist':
  73             self.songs[self.currentSong - 1]['artist'] = artist
  74         self.songs[self.currentSong - 1]['path'] = path
  75         self.songs[self.currentSong - 1]['extension'] = ext
  76         print self.songs[self.currentSong - 1]
  77
  78
  79     # show the current song
  80     def show_playing_now(self):
  81         return ('TITLE: %s' % self.songs[self.currentSong - 1]['title'],  \
  82                 'ARTIST: %s' % self.songs[self.currentSong - 1]['artist'],\
  83                 'TRACK: %s' % self.songs[self.currentSong - 1]['track']
  84                 )
  85
  86     # get the current song filename if index is None
  87     def song_filename(self, index=None):
  88         if index == None:
  89             return self.songs[self.currentSong-1]['title'] +" - "+\
  90                    self.songs[self.currentSong-1]['artist'] +     \
  91                    self.songs[self.currentSong-1]['extension']
  92
  93         else:
  94             return self.songs[index-1]['title'] +" - "+\
  95                    self.songs[index-1]['artist'] +     \
  96                    self.songs[index-1]['extension']
  97
  98     # get thr current song filesize if index is None
  99     def song_size(self, index=None):
 100         if index == None:
 101             return int(self.songs[self.currentSong-1]['filesize'])
 102         else:
 103             return int(self.songs[index-1]['filesize'])
 104
 105     # show all songs of the playlist
 106     def show(self):
 107         for i in range(self.length()):
 108             print self.songs[i]['track'], " - ", \
 109                   self.songs[i]['title'], " | ", \
 110                   self.songs[i]['artist'],       \
 111                   "\n"
 112
 113     # fix some problems of musics tags
 114     def fix(self):
 115         for i in range(self.length()):
 116             if self.songs[i]['title'] == None:
 117                self.songs[i]['title'] = 'Unknown Title'
 118             elif self.songs[i]['artist'] == None:
 119                 self.songs[i]['artist'] = 'Unknown Artist'
 120
 121
 122     # get the porperties of any song of ther playlist
 123     def song_properties(self, index=None, track=False, title=False,\
 124                         artist=False, ext=False, filesize=False, \
 125                         duration=False, path=False):
 126         props = {}
 127         if index == None:
 128             if track:
 129                 props['track'] = self.songs[self.currentSong-1]['track']
 130             if title:
 131                 props['title'] = self.songs[self.currentSong-1]['title']
 132             if artist:
 133                 props['artist'] = self.songs[self.currentSong-1]['artist']
 134             if ext:
 135                 props['ext'] = self.songs[self.currentSong-1]['extension']
 136             if filesize:
 137                 props['filesize'] = self.songs[self.currentSong-1]['filesize']
 138             if duration:
 139                 props['duration'] = self.songs[self.currentSong-1]['duration']
 140             if path:
 141                 props['path'] = self.songs[self.currentSong-1]['path']
 142
 143             return props
 144         else:
 145             if track:
 146                 props['track'] = self.songs[index-1]['track']
 147             if title:
 148                 props['title'] = self.songs[index-1]['title']
 149             if artist:
 150                 props['artist'] = self.songs[index-1]['artist']
 151             if ext:
 152                 props['ext'] = self.songs[index-1]['extension']
 153             if filesize:
 154                 props['filesize'] = self.songs[index-1]['filesize']
 155             if duration:
 156                 props['duration'] = self.songs[index-1]['duration']
 157             if path:
 158                 props['path'] = self.songs[index-1]['path']
 159
 160             return props
 161