script which shows menu for most used scripts configurable in json.

menu.py

from PyQt5 import QtGui, QtWidgets, QtCore
from PyQt5.QtDBus import QDBusConnection, QDBusMessage
import sys
import json
import subprocess
import os

def exe_script(name,all_action_dict):
    action = all_action_dict[name.text()]
    if action == 'exit':
        sys.exit(0)
    elif action == 'refresh':
        refresh_menu()
        return
    subprocess.Popen(action.split())

def read_actions():
    with open('/home/gaurav/scripts/config/scripts.json') as r:
        config = json.load(r)
    all_actions = {v['name']:v['script'] for v in config['scripts']}
    all_actions['Exit'] = 'exit'
    all_actions['Refresh'] = 'refresh'
    return all_actions

def get_menu(all_actions):
    menu = QtWidgets.QMenu()
    actions = []
    for i,name in enumerate(all_actions.keys()):
        mi = QtWidgets.QAction(name,menu)
        actions.append(mi)
        menu.addAction(mi)
    menu.triggered.connect(lambda q:exe_script(q,all_actions))
    return menu,actions

def refresh_menu():
    print(os.path.abspath(__file__))
    os.execv(sys.executable,['python',os.path.abspath(__file__)])

def on_click(num):
    if num == QtWidgets.QSystemTrayIcon.Trigger:
        pass
    elif num == QtWidgets.QSystemTrayIcon.Context:
        pass
    else:
        print("Click event:",num)

class QDBhandler(QtCore.QObject):
    def __init__(self,icon):
        super(QDBhandler,self).__init__()
        bus = QDBusConnection.systemBus()
        bus.registerObject('/', self)
        bus.connect(
            '',
            '/',
            'gaurav.menu',
            'toggle',
            self.dmsg
        )
        self.icon = icon

    @QtCore.pyqtSlot(QDBusMessage)
    def dmsg(self, message):
        menu = self.icon.contextMenu()
        if menu.isVisible():
            menu.close()
        else:
            menu.show()
        
        

def main():
    app = QtWidgets.QApplication(sys.argv)
    img = QtGui.QIcon('/home/gaurav/Pictures/auto_icon.png')
    icon = QtWidgets.QSystemTrayIcon(img)
    handler = QDBhandler(icon)
    icon.setToolTip('Execute Scripts')
    actions_dict = read_actions()
    menu,actions = get_menu(actions_dict)
    icon.setContextMenu(menu)
    icon.activated.connect(on_click)
    icon.show()
    sys.exit(app.exec())
    

if __name__ == '__main__':
    main()

scripts.json

{
    "bgcolor": "black",
    "scripts":[
    {
	"name": "Next Chapter",
	"script":"/home/gaurav/scripts/next_episode.py",
	"tooltip":"While in firefox, change the address to next chapter or episode"
    },{
	"name": "Animes/Series Log",
	"script": "emacs /home/gaurav/personal.org",
	"tooltip": "Org note on anime i am watching in emacs"
    },{
	"name":"c2 picture",
	"script":"feh /home/gaurav/Pictures/cc.jpg",
	"tooltip":"c2 background incase I need black blackground for transparent windows"
    },{
	"name": "Play Songs Vid",
	"script": "mpv ~/media_volumn/songs_vid/ --geometry=300-0-0 --shuffle",
	"tooltip": "Play the songs in mpv player, so I can put it in scratchpad"
    },{
	"name": "Update Packages",
	"script": "terminator -T Updating -x sudo pacman -Syu",
	"tooltip": "Update the packages with pacman"
    }
]
}