Find a firefox window, scroll tabs till it finds a google meet one, press ctrl+d to unmute.

meat.py

#! /usr/bin/env python

import subprocess
from subprocess import CalledProcessError
import time

def get_active_window_title():
    try:
        window_title = subprocess.check_output("xdotool getactivewindow getwindowname", shell=True).decode('utf-8').strip()
        return window_title
    except subprocess.CalledProcessError:
        return None

def focus_or_open_chrome_meet():
    meet_title_fragment = "Meet - "
    
    try:
        window_list = subprocess.check_output("wmctrl -lx | grep -E 'firefox'", shell=True).decode('utf-8').strip().splitlines()
    except CalledProcessError:
        print("No firefox instance running")
        return

    for window in window_list:
        window_id = window.split()[0]
        
            
        subprocess.run(f"xdotool windowactivate {window_id}", shell=True)
        time.sleep(0.2)
        
        max_tabs_to_check = 10
        for _ in range(max_tabs_to_check):
            window_title = get_active_window_title()

            if window_title and meet_title_fragment in window_title:
                print(f"Google Meet tab found in window {window_id} with title: {window_title}")
                subprocess.run("xdotool key Ctrl+d", shell=True)
                return
            
            subprocess.run("xdotool key Ctrl+Tab", shell=True)
            time.sleep(0.2)


if __name__ == "__main__":
    focus_or_open_chrome_meet()