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#!/usr/bin/env python
import dbus
import gtk
def print_devices():
device_names = hal_manager.GetAllDevices()
print ""
print "==========================================="
print "Dumping %d devices from the GDL"%(len(device_names))
print ""
for name in device_names:
device = hal_service.get_object(name, "org.freedesktop.Hal.Device")
print "device_unique_id = %s"%name
properties = device.GetAllProperties()
keys = properties.keys()
keys.sort()
for p in keys:
val = properties[p]
ptype = type(val)
if ptype==str:
print " %s = '%s' (string)"%(p, val)
elif ptype==int:
print " %s = %d = 0x%x (int)"%(p, val, val)
elif ptype==bool:
if val:
print " %s = true (bool)"%p
else:
print " %s = false (bool)"%p
elif ptype==float:
print " %s = %g (double)"%(p, val)
print ""
print ""
print "Dumped %d devices from the GDL"%(len(device_names))
print "==========================================="
print ""
def device_changed(dbus_if,dbus_member, dbus_svc, dbus_obj_path, dbus_message):
[property_name] = dbus_message.get_args_list()
print "%s %s property %s"%(dbus_member, dbus_obj_path, property_name)
def gdl_changed(dbus_if, dbus_member, dbus_svc, dbus_obj_path, dbus_message):
if dbus_member=="DeviceAdded":
[device_udi] = dbus_message.get_args_list()
bus.add_signal_receiver(device_changed,
"org.freedesktop.Hal.Device",
"org.freedesktop.Hal",
device_udi)
print_devices()
elif dbus_member=="DeviceRemoved":
[device_udi] = dbus_message.get_args_list()
bus.remove_signal_receiver(device_changed,
"org.freedesktop.Hal.Device",
"org.freedesktop.Hal",
device_udi)
print_devices()
else:
print "*** Unknown signal %s"%dbus_member
def main():
global bus, hal_service, hal_manager
bus = dbus.Bus(dbus.Bus.TYPE_SYSTEM)
hal_service = bus.get_service("org.freedesktop.Hal")
hal_manager = hal_service.get_object("/org/freedesktop/Hal/Manager",
"org.freedesktop.Hal.Manager")
# gdl_changed will be invoked when the Global Device List is changed
# per the hal spec
bus.add_signal_receiver(gdl_changed,
"org.freedesktop.Hal.Manager",
"org.freedesktop.Hal",
"/org/freedesktop/Hal/Manager")
# Add listeners for all devices
device_names = hal_manager.GetAllDevices()
for name in device_names:
bus.add_signal_receiver(device_changed,
"org.freedesktop.Hal.Device",
"org.freedesktop.Hal",
name)
print_devices();
gtk.main()
if __name__ == '__main__':
main()
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