cps_loki/run_mapping.py

import subprocess
import signal
import os
import time

processes = []

def source_setup_files():
    subprocess.Popen("source /opt/ros/humble/setup.bash", shell=True, executable="/bin/bash")
    subprocess.Popen("source ./install/setup.bash", shell=True, executable="/bin/bash")
    print("Setup files sourced")

def start_process(command):
    process = subprocess.Popen(command, shell=True, executable="/bin/bash", preexec_fn=os.setsid)
    processes.append(process)
    print(f"Started process with command: {command}")

def stop_processes():
    for process in processes:
        os.killpg(os.getpgid(process.pid), signal.SIGTERM)
    print("Stopped all processes")

def handle_interrupt(signal, frame):
    print("Keyboard interrupt detected")
    stop_processes()
    exit(0)

# Add your commands here
commands = [
    #"ros2 launch bot_mini_bringup rsp.launch.py",
    "ros2 launch bot_mini_bringup robot_controller.launch.py",
    "ros2 launch bot_mini_bringup robot_joy_teleop.launch.py",
    "ros2 launch bot_mini_bringup robot_twist_mux.launch.py",
    "ros2 launch bot_mini_bringup robot_lidar.launch.py",
    "ros2 launch bot_mini_bringup robot_mapper.launch.py"
]

# Register the signal handler
signal.signal(signal.SIGINT, handle_interrupt)

# Source the setup files
source_setup_files()

# Start rsp.launch.py
start_process(commands[0])

# Start controller
start_process(commands[1])
# Wait for 20 seconds because the ros2 control needs some time to initialize.
print("Waiting for 20 seconds...")
time.sleep(20)

# Start the remaining processes
for command in commands[1:]:
    start_process(command)

# Wait for user input to stop the processes
input("Press Enter to stop all processes...")

# Stop all processes
stop_processes()