本文主要介绍在PyQt5中，使用dbus监控U盘插拔。

测试环境：python3 + dbus + pyqt5

当无法引入dbus.mainloop.pyqt5时，安装对应的包即可：

sudo apt install python3-dbus.mainloop.pyqt5

测试代码如下：

#!/usr/bin/env python3
# encoding: utf-8

"""
@time: 18-4-23 上午11:54
"""
import sys

import dbus
from PyQt5.QtWidgets import QWidget, QApplication

from dbus.mainloop.pyqt5 import DBusQtMainLoop


class Window(QWidget):
    def __init__(self):
        super().__init__()
        # loop = DBusGMainLoop()

        DBusQtMainLoop(set_as_default=True)
        sessionbus = dbus.SessionBus()
        sessionbus.add_signal_receiver(signal_name="MountAdded",
                                       dbus_interface="org.gtk.Private.RemoteVolumeMonitor",
                                       path="/org/gtk/Private/RemoteVolumeMonitor",
                                       bus_name=None,
                                       handler_function=self.mount_added)
        sessionbus.add_signal_receiver(signal_name="MountRemoved",
                                       dbus_interface="org.gtk.Private.RemoteVolumeMonitor",
                                       path="/org/gtk/Private/RemoteVolumeMonitor",
                                       bus_name=None,
                                       handler_function=self.mount_removed)

    def mount_added(self, sender, id_, data):
        print("-" * 10, "MountAdded", "-" * 10)
        print(sender)
        print(id_)
        print(data)

    def mount_removed(self, sender, id_, data):
        print("-" * 10, "MountRemoved", "-" * 10)
        print(sender)
        print(id_)
        print(data)


if __name__ == '__main__':
    app = QApplication(sys.argv)
    win = Window()
    win.show()
    app.exec_()

版权声明：本文为「txfly」的原创文章，遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接及本声明。
原文链接：https://www.jianshu.com/p/cee5f693c41c