如何通过DBus获取PulseAudio的源优先级

import dbus

# 连接到PulseAudio的DBus服务
bus = dbus.SessionBus()
pulseaudio_obj = bus.get_object('org.PulseAudio1', '/org/pulseaudio/server_lookup1')

# 获取PulseAudio的源接口
source_interface = dbus.Interface(pulseaudio_obj, 'org.PulseAudio.Core1.Source')

# 获取所有源的信息
sources = source_interface.Get('org.PulseAudio.Core1.Source', 'Sources')

# 遍历所有源，获取优先级
for source_path in sources:
    source_obj = bus.get_object('org.PulseAudio1', source_path)
    source_props = dbus.Interface(source_obj, 'org.freedesktop.DBus.Properties')
    priority = source_props.Get('org.PulseAudio.Core1.Device', 'Priority')
    print(f"Source: {source_path}, Priority: {priority}")