actual scripts

detect_bluetooth.py

@@ -0,0 +1,81 @@
+#!/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