"""srv_launch.py - 启动 add_two_ints_server。"""
from launch import LaunchDescription
from launch.substitutions import LaunchConfiguration
from launch_ros.actions import Node


def generate_launch_description() -> LaunchDescription:
    """生成启动描述:AddTwoIntsServer。"""
    service_name_arg = LaunchConfiguration('service_name')

    server_node = Node(
        package='py_srv',
        executable='add_two_ints_server',
        name='add_two_ints_server',
        output='screen',
        parameters=[{
            'service_name': service_name_arg,
        }],
    )

    return LaunchDescription([server_node])