Basic ROS2 launch template

basic_launch_template.launch.py

from launch import LaunchDescription, LaunchIntrospector, LaunchService
from launch_ros import actions, get_default_launch_description


def generate_launch_description():
    node = actions.Node(
        package='', node_executable='', output='screen')
    return LaunchDescription([plan_route])


def main():
    ld = generate_launch_description()

    print(LaunchIntrospector().format_launch_description(ld))

    ls = LaunchService()
    ls.include_launch_description(get_default_launch_description())
    ls.include_launch_description(ld)
    return ls.run()


if __name__ == '__main__':
    main()