# Copyright 2019 Open Source Robotics Foundation
# Distributed under the terms of the BSD license

{ lib, buildRosPackage, fetchurl, ament-flake8, launch-ros, rclpy, launch, pythonPackages, ament-pep257, std-msgs }:
buildRosPackage {
  pname = "ros-crystal-topic-monitor";
  version = "0.6.2";

  src = fetchurl {
    url = https://github.com/ros2-gbp/demos-release/archive/release/crystal/topic_monitor/0.6.2-0.tar.gz;
    sha256 = "6cad0a1877a05bd2e7e7888f06f26f4739e442726da85a548f4ddb65783ead6c";
  };

  buildType = "ament_python";
  buildInputs = [ rclpy ];
  checkInputs = [ ament-flake8 pythonPackages.pytest ament-pep257 ];
  propagatedBuildInputs = [ rclpy launch std-msgs launch-ros ];

  meta = {
    description = ''Package containing tools for monitoring ROS 2 topics.'';
    license = with lib.licenses; [ asl20 ];
  };
}