####AlsaDevices.py#####def GetAlsaList(type): """Returns a dictionary containing ALSA device names and their correspoding ALSA ids (e.g. hw:0). Keyword arguments: type -- specifies the type of ALSA device we are looking for, playback or capture.""" #Get HAL Manager bus = dbus.SystemBus() object = bus.get_object("org.freedesktop.Hal", "/org/freedesktop/Hal/Manager") manager = dbus.Interface(object, "org.freedesktop.Hal.Manager") found = {} #Find all alsa devices of the requested type devices = manager.FindDeviceStringMatch("alsa.type", type) #Add the ALSA default card to the list found["Default"] = "default" for device in devices: #Iterate through all the ALSA devices found and insert them in to a dictionary device_object = bus.get_object("org.freedesktop.Hal", device) properties = device_object.GetAllProperties(dbus_interface="org.freedesktop.Hal.Device") name = properties["alsa.device_id"] cardnum = "hw:" + str(properties["alsa.card"]) #FIXME: This may cause problems with plughw devices #Avoid duplicate entries if cardnum not in found.values(): found[name] = cardnum return found####PreferencesDialog.py#### def __init__(self, project, mainwindow, icon=None): """Keyword arguments: project -- The jokosher project currently loaded. mainwindow -- A reference to the main Jokosher window icon -- The icon for the window manager to display for this window (optional).""" self.project = project self.mainwindow = mainwindow #Initialize GTK resources from glade file self.res = gtk.glade.XML(Globals.GLADE_PATH, "PreferencesDialog") self.signals = { "on_Setting_changed" : self.OnSettingChanged, "on_Close_clicked" : self.OnClose, } self.res.signal_autoconnect(self.signals) self.dlg = self.res.get_widget("PreferencesDialog") self.dlg.set_icon(icon) self.recordingFileFormat = self.res.get_widget("recordingFileFormat") self.samplingRate = self.res.get_widget("samplingRate") self.playingDevice = self.res.get_widget("playbackDevice") self.radioWelcome = self.res.get_widget("startupWelcomeDialog") self.radioLastProject = self.res.get_widget("startupLastProject") self.radioNothing = self.res.get_widget("startupNothing") #Find all ALSA devices self.playbacks = AlsaDevices.GetAlsaList("playback") for playback in self.playbacks: print playback self.playingDevice.append_text(playback)