Amarok.py :  » Network » emesene » emesene-1.6.2 » plugins_base » currentSong » Python Open Source

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Python Open Source » Network » emesene 
emesene » emesene 1.6.2 » plugins_base » currentSong » Amarok.py
# -*- coding: utf-8 -*-

#   This file is part of emesene.
#
#    Emesene 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 of the License, or
#    (at your option) any later version.
#
#    emesene 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 emesene; if not, write to the Free Software
#    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

VERSION = '0.3'

import os

import CurrentSong

error = False
dcopext = None
pydcop = None
try:
    import dcopext
except:
    try:
        import pydcop
    except:
        error = True

class Amarok( CurrentSong.CurrentSong ):

    def __init__( self ):
        CurrentSong.CurrentSong.__init__( self )

        self.amarok = None
        if dcopext:
            self.client = dcopext.DCOPClient()
            self.client.attach()
        self.check()
        
    def _isServerRunning( self ):
        try:
            assert os.system( "ps aux|grep dcopserver|grep -v grep" ) == 0
        except:
            return False
        else:
            return True
        
    def isRunning( self ):
        if pydcop:
            return bool(self._isServerRunning() and "amarok" in pydcop.apps())
        elif dcopext:
            return bool(self.client.isApplicationRegistered('amarok'))

    def isPlaying( self ):
        if self.amarok:
            if pydcop and self.amarok.player.isPlaying():
                return True
            elif dcopext and self.amarok.player.isPlaying()[1]:
                return True
        
        return False

    def getStatus( self ):
        '''check if everything is OK to start the plugin
        return a tuple whith a boolean and a message
        if OK -> ( True , 'some message' )
        else -> ( False , 'error message' )'''
        global error

        if error:
            return ( False, _( "Can't import dcopext or python-dcop!" ) )

        if pydcop and not self._isServerRunning():
            return ( False, _( "dcop not running" ) )

        if os.name != 'posix':
            return ( False, _( 'This plugin only works in posix systems' ) )

        if pydcop and not self.is_on_path( 'dcop' ):
            return ( False, _( 'Dcop not found' ) )

        return ( True, 'Ok' )

    def check( self ):
        global error

        if error:
            return False

        if self.amarok == None and self.isRunning():
            if dcopext:
                self.amarok = dcopext.DCOPApp("amarok", self.client)
            elif pydcop:
                self.amarok = pydcop.DCOPApplication( "amarok" )

        if self.isPlaying():
            if dcopext:
                artist = self.amarok.player.artist()[1]
                title = self.amarok.player.title()[1]
                album = self.amarok.player.album()[1]
            elif pydcop:
                artist = self.amarok.player.artist()
                title = self.amarok.player.title()
                album = self.amarok.player.album()
                
            if self.artist != artist or self.title != title:
                self.artist = artist
                self.title = title
                self.album = album

                return True

        return False
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