utility-scripts/detect_bluetooth.py
2015-06-15 01:58:20 +02:00

82 lines
2.3 KiB
Python
Executable File

#!/usr/bin/env python
# Ensure that the default device gets set to bluetooth when a bluetooth
# device is plugged in
#
# This allows the system volume meter to set the volume
#
# Also make it not full volume too (currently 50%)
#
# Timothy Allen <tim@treehouse.org.za>
import dbus
import gobject
import atexit
import re
from subprocess import Popen, PIPE
from dbus.mainloop.glib import DBusGMainLoop
def get_sinks():
sinks = Popen(["pacmd", "list-sinks"], shell=False, stdout=PIPE).communicate()[0]
m = re.findall(r"name: <(.*?)>", sinks)
return m
def get_default_sink():
sinks = Popen(["pacmd", "info"], shell=False, stdout=PIPE).communicate()[0]
m = re.findall(r"Default sink name: (.*?)\s", sinks)
return m
def set_default_sink(sink):
print "Setting sink: %s" % sink
Popen(["pacmd", "set-default-sink", sink], shell=False, stdout=PIPE).communicate()[0]
# Volume is a percent
def set_volume(sink, volume):
print "Setting volume for sink %s to: %d" % (sink, volume)
volume = str(int(65536*(float(str(volume).strip("%"))/100)))
Popen(["pacmd", "set-sink-volume", sink, volume], shell=False, stdout=PIPE).communicate()[0]
def device_change(name, value, iface=None, path=None):
#print "Name: %s \nValue: %s\nInterface: %s \nPath: %s" % (name, value, iface, path)
if (value == "connected"):
# set path as default pulse device
for sink in get_sinks():
if re.match("bluez", sink):
set_default_sink(sink)
# change volume
set_volume(sink, volume)
# elif (value == "disconnected"):
# # change default device is there's one sink left
# sinks = get_sinks()
# if isinstance(sinks, basestring):
# set_default_sink(sink)
# else:
# set_default_sink(initial_sink)
# Volume is a value out of 100
volume=50
loop = gobject.MainLoop()
dbus_loop = DBusGMainLoop()
bus = dbus.SystemBus(mainloop=dbus_loop)
#bluez = bus.get_object("org.bluez", "/");
#manager = dbus.Interface(bluez, "org.bluez.Manager")
#adapter = dbus.Interface(manager.DefaultAdapter(), "org.bluez.Adapter")
#proxy = bus.get_object("org.bluez", manager.DefaultAdapter())
bus.add_signal_receiver(device_change,
signal_name=None,
dbus_interface="org.bluez.Audio",
interface_keyword="iface",
path_keyword="path")
initial_sink = get_default_sink();
atexit.register(loop.quit)
loop.run()
# vi: filetype=python:expandtab:shiftwidth=4:softtabstop=4:tw=0