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#!/usr/bin/env python2
# -*- coding: utf-8 -*-
import os, sys
import dbus
import gobject
import subprocess
from dbus.mainloop.glib import DBusGMainLoop
import sys
home = os.path.expanduser('~')
safe = {
'sink': '/org/pulseaudio/core1/sink0',
'muted': False,
'volume': 0,
'baseVolume': 0,
}
BAR_WIDTH = 50
def output_volume(vol):
print('^cs()')
bar = min(vol * BAR_WIDTH / 100, BAR_WIDTH)
print('^fg(#999)^r(%dx6)^fg(#444)^r(%dx6)^fg()' % (bar, BAR_WIDTH - bar))
sys.stdout.flush()
def output_mute(mute):
if mute:
print('^tw()^fg(#FF0000)^i(%s/.dzen2/icons/vol-mute.xbm)' % home)
else:
print('^tw()^fg()^i(%s/.dzen2/icons/vol-hi.xbm)' % home)
sys.stdout.flush()
def dbus_connect():
if 'PULSE_DBUS_SERVER' in os.environ:
address = os.environ['PULSE_DBUS_SERVER']
else:
bus = dbus.SessionBus()
server_lookup = bus.get_object("org.PulseAudio1", "/org/pulseaudio/server_lookup1")
address = server_lookup.Get("org.PulseAudio.ServerLookup1", "Address", dbus_interface="org.freedesktop.DBus.Properties")
return dbus.connection.Connection(address)
def update_volume(volumes, force=False):
volume = (max(volumes) * 100)/safe['baseVolume']
if safe['volume'] != volume or force:
safe['volume'] = volume
output_volume(safe['volume'])
def update_muted(muted, force=False):
if safe['muted'] != muted or force:
safe['muted'] = muted
output_mute(muted)
def signal_cb(*args, **kwargs):
msg = kwargs['msg']
if msg.get_path() != safe['sink']:
return
if msg.get_interface() == 'org.PulseAudio.Core1.Device' and \
msg.get_member() == 'VolumeUpdated':
update_volume(args[0])
elif msg.get_interface() == 'org.PulseAudio.Core1.Device' and \
msg.get_member() == 'MuteUpdated':
update_muted(args[0])
else:
print msg
def init(bus):
if len(sys.argv) > 1:
safe['sink'] = sys.argv[1]
sink = bus.get_object('org.PulseAudio.Core1.Device', safe['sink'])
safe['baseVolume'] = sink.Get('org.PulseAudio.Core1.Device', 'BaseVolume')
update_muted(sink.Get('org.PulseAudio.Core1.Device', 'Mute'), True)
update_volume(sink.Get('org.PulseAudio.Core1.Device', 'Volume'), True)
if __name__ == '__main__':
DBusGMainLoop(set_as_default=True)
bus = dbus_connect()
init(bus)
bus.add_signal_receiver(signal_cb, message_keyword='msg')
core = bus.get_object(object_path="/org/pulseaudio/core1")
core.ListenForSignal('org.PulseAudio.Core1.Device.VolumeUpdated', dbus.Array(signature='o'))
core.ListenForSignal('org.PulseAudio.Core1.Device.MuteUpdated', dbus.Array(signature='o'))
loop = gobject.MainLoop()
loop.run()
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