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# -*- 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
import os
import gettext
class CurrentSong(object):
customConfig = {}
def __init__( self ):
self.playing = ''
self.artist = ''
self.title = ''
self.album = ''
self.filename = ''
style = '%title - %artist (%album)'
self.setStyle( style )
self.dictCommand = {
'show': (self.cmd_Show,'Show playing song',True)
}
self._log = []
self.status = 'unknown'
def log(self, type, message):
print "%s: %s" % (type, message)
self._log.append((type, message))
def getSongDict(self):
songinfo = {}
songinfo['artist'] = self.artist
songinfo['title'] = self.title
songinfo['album'] = self.album
return songinfo
def getCurrentSong( self ):
'''return the formated current song'''
return self.parseStyle()
def parseStyle( self ):
'''return a parsed style according to the value of the variables'''
if self.title == '' and self.artist == '' and self.album == '':
return ''
else:
return self.style.replace('%artist', self.artist)\
.replace('%title', self.title).replace('%album', self.album)
def check( self ):
'''check if there was a change in the song'''
return False
def isPlaying( self ):
'''check if the player is playing'''
return False
def isRunning( self ):
'''check if the player is running'''
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' )'''
return ( True, 'OK' )
def setStyle( self, string ):
'''set the style'''
self.style = '\\0Music\\01\\0' + string.replace('%title', '{0}').replace('%artist', '{1}').replace('%album', '{2}') + '\\0%title\\0%artist\\0%album\\0\\0'
def is_on_path(self, fname):
for p in os.environ['PATH'].split(os.pathsep):
if os.path.isfile(os.path.join(p, fname)):
return True
# for plugins that need connecting/disconnecting signals
def start( self ):
pass
def stop( self ):
pass
def getCoverPath( self ):
return None
def updateConfig( self ):
pass
def cmd_Show( self , *args):
if self.artist == '' and self.album == '' and self.title == '':
return ( False , 'Not Playing' )
cm = self.getCurrentSong()
cm = cm[cm.find( '\\0Music\\01\\0')+12:]
cmargs = cm.split('\\0')
cm = cmargs[0]
for args in range(1, len(cmargs)):
cm = cm.replace( '{%s}' %str(args-1), cmargs[args])
if cm == '':
return ( False , 'Not Playing' )
return ( True, cm )
ROOT_NAME = 'org.freedesktop.DBus'
ROOT_PATH = '/org/freedesktop/DBus'
DBUS = False
class DbusBase( CurrentSong ):
def __init__( self, name = '', callback = None ):
CurrentSong.__init__( self )
global DBUS
# http://listen-project.org/browser/trunk-0.6/src/dbus_manager.py#L29
try:
import dbus
dbus_version = getattr(dbus, 'version', (0,0,0))
if dbus_version >= (0,41,0) and dbus_version < (0,80,0):
dbus.SessionBus()
import dbus.glib
elif dbus_version >= (0,80,0):
from dbus.mainloop.glib import DBusGMainLoop
DBusGMainLoop(set_as_default=True)
dbus.SessionBus()
else:
self.log('error', 'python-dbus is too old!')
raise
except Exception, e:
self.log('error', 'cant start dbus')
DBUS = False
else:
DBUS = True
if not DBUS:
return
self.module = dbus
self.bus = dbus.SessionBus()
self.root = self.bus.get_object( ROOT_NAME, ROOT_PATH )
self.isNocWaiting = False
if name and callback:
self.reset( name, callback )
def reset( self, name, callback ):
self.log( 'info', 'reset player: ' + str(name) )
self.status = 'not running'
if self.isNameActive( name ):
self.log( 'info', 'player running: ' + str(name) )
self.status = 'running'
callback()
else:
self.log( 'info', 'not running, listening NameOwnerChanged' )
self.status = 'not running'
def noc(changedName, *args):
if str(changedName) == name and self.isNameActive(name):
self.log( 'info', 'player running: ' + str(name) )
self.status = 'running'
callback()
self.isNocWaiting = False
# noc == name owner changed
self.isNocWaiting = True
self.bus.add_signal_receiver( noc, 'NameOwnerChanged', \
ROOT_NAME, None, ROOT_PATH )
def setCurrentSongData( self ):
self.artist = ''
self.title = ''
self.album = ''
self.filename = ''
def getStatus( self ):
'''don't override this'''
global DBUS
if os.name != 'posix':
return ( False, _( 'This plugin only works in posix systems' ) )
if not DBUS:
return ( False, _( 'D-Bus cannot be initialized' ) )
return ( True, 'Ok' )
def isPlaying( self ):
return False
def check( self ):
return False
def isNameActive( self, name ):
'''a helper for your class, so don't override it'''
return bool( self.root.NameHasOwner(name) )
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