How to use the gconf.VALUE_INT function in gconf

def _convert_gconf_value(value):
    if value.type == gconf.VALUE_STRING:
        return value.get_string()
    if value.type == gconf.VALUE_INT:
        return value.get_int()
    if value.type == gconf.VALUE_BOOL:
        return value.get_bool()
    if value.type == gconf.VALUE_FLOAT:
        return value.get_float()
    if value.type == gconf.VALUE_LIST:
        return [_convert_gconf_value(v) for v in value.get_list()]
    raise TypeError("unknown gconf type %s" % value.type)

def create_profile(profile):
    profile_list = conf_client.get_list("/apps/gnome15/profile_list", gconf.VALUE_INT)
    if profile_list == None:
        profile_list = []
    if profile.id == -1:
        profile.id = int(time.time())
    dir_key = "/apps/gnome15/profiles/" + str(profile.id)
    conf_client.add_dir(dir_key, gconf.CLIENT_PRELOAD_NONE)
    profile_list.append(profile.id)
    conf_client.set_list("/apps/gnome15/profile_list", gconf.VALUE_INT, profile_list)
    conf_client.set_string(dir_key + "/name", profile.name)

def get_value (self, key):
        '''returns the value of key `key' ''' #'
        #if '/' in key:
        #    raise 'ConfError', 'key must not contain /'
        
        value = self._gconf_client.get (self._domain + key)
        value_type = value.type
        if value_type == VALUE_BOOL:
            return value.get_bool ()
        elif value_type == VALUE_INT:
            return value.get_int ()
        elif value_type == VALUE_STRING:
            return value.get_string ()
        elif value_type == VALUE_FLOAT:
            return value.get_float ()

def get_value(self, value):
        """Gets the value of ``value``"""
        if value.type == gconf.VALUE_STRING:
            return value.get_string()
        elif value.type == gconf.VALUE_INT:
            return value.get_int()
        elif value.type == gconf.VALUE_FLOAT:
            return value.get_float()
        elif value.type == gconf.VALUE_BOOL:
            return value.get_bool()
        elif value.type == gconf.VALUE_LIST:
            _list = value.get_list()
            return [self.get_value(v) for v in _list]
        else:
            msg = "Unsupported type %s for %s"
            raise TypeError(msg % (type(value), value))

def create_profile(profile):
    profile_list = conf_client.get_list("/apps/gnome15/profile_list", gconf.VALUE_INT)
    if profile_list == None:
        profile_list = []
    if profile.id == -1:
        profile.id = int(time.time())
    dir_key = "/apps/gnome15/profiles/" + str(profile.id)
    conf_client.add_dir(dir_key, gconf.CLIENT_PRELOAD_NONE)
    profile_list.append(profile.id)
    conf_client.set_list("/apps/gnome15/profile_list", gconf.VALUE_INT, profile_list)
    conf_client.set_string(dir_key + "/name", profile.name)

def __get_active_opacity(self, type):
		client = gconf.client_get_default()
		if type == "matches":
			return client.get_list("/apps/compiz/general/screen0/options/opacity_matches", gconf.VALUE_STRING)
		if type == "values":
			return client.get_list("/apps/compiz/general/screen0/options/opacity_values", gconf.VALUE_INT)

def _readSetting(self, name, gconfType, default):
		base = '/apps/gedit-2/plugins/gotofile/'
		val = self._gconf.get(base + name)
		if val:
			if gconfType == gconf.VALUE_INT:
				return val.get_int()
			elif gconfType == gconf.VALUE_STRING:
				return val.get_string()
			elif gconfType == gconf.VALUE_BOOL:
				return val.get_bool()
		return default

def gconf_get_int(key, default = 0):
    val = gconf_client.get(key)
    if val is not None and val.type == gconf.VALUE_INT:
        return val.get_int()
    else:
        return default

conf_client.get_int('/apps/compiz/general/%s/options/hsize' % screen) *
        conf_client.get_int('/apps/compiz/general/%s/options/vsize' % screen))

    # Get the current list of wallpapers on this screen
    wallpapers = conf_client.get_list(
        '/apps/compiz/plugins/wallpaper/%s/options/bg_image' % screen,
        gconf.VALUE_STRING)

    # If list of wallpapers is too short, populate it to the correct length
    if len(wallpapers) < number_of_faces:
        wallpapers.extend([filename] * (number_of_faces - len(wallpapers)))
        prefix = '/apps/compiz/plugins/wallpaper/%s/options/' % screen
        settings = {
            'bg_color1'   : (gconf.VALUE_STRING, '#000000ff'),
            'bg_color2'   : (gconf.VALUE_STRING, '#000000ff'),
            'bg_fill_type': (gconf.VALUE_INT,    0),
            'bg_image_pos': (gconf.VALUE_INT,    0),
        }
        for key, value in settings.items():
            ext_list = conf_client.get_list(prefix + key, value[0])
            ext_list.extend([value[1]] * (number_of_faces - len(ext_list)))
            conf_client.set_list(prefix + key, value[0], ext_list)

    # Correct face if invalid
    if face >= number_of_faces or face < 0:
        face = 0

    # Set wallpaper
    wallpapers[face] = filename
    conf_client.set_list(
        '/apps/compiz/plugins/wallpaper/%s/options/bg_image' % screen,
        gconf.VALUE_STRING,