88 lines
2.5 KiB
Python
88 lines
2.5 KiB
Python
from ament_index_python.packages import get_package_share_directory
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import os
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from clearpath_config.common.utils.yaml import read_yaml
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from clearpath_config.clearpath_config import ClearpathConfig
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from launch import LaunchDescription
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from launch.actions import (
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DeclareLaunchArgument,
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GroupAction,
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IncludeLaunchDescription,
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OpaqueFunction
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)
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from launch.launch_description_sources import PythonLaunchDescriptionSource
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from launch.substitutions import (
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LaunchConfiguration,
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PathJoinSubstitution
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)
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from launch_ros.actions import PushRosNamespace
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ARGUMENTS = [
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DeclareLaunchArgument('use_sim_time', default_value='false',
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choices=['true', 'false'],
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description='Use sim time'),
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DeclareLaunchArgument('setup_path',
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default_value='/etc/clearpath/',
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description='Clearpath setup path')
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]
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def launch_setup(context, *args, **kwargs):
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# Packages
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pkg_nav2_bringup = get_package_share_directory('nav2_bringup')
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package_config_path = get_package_share_directory('locker98_tools_bringup')
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# Launch Configurations
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use_sim_time = LaunchConfiguration('use_sim_time')
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setup_path = LaunchConfiguration('setup_path')
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map = LaunchConfiguration('map')
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# Read robot YAML
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config = read_yaml(setup_path.perform(context) + 'robot.yaml')
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# Parse robot YAML into config
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clearpath_config = ClearpathConfig(config)
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namespace = clearpath_config.system.namespace
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platform_model = clearpath_config.platform.get_platform_model()
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file_parameters = os.path.join(
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package_config_path,
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'config',
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platform_model,
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'localization.yaml'
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)
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launch_localization = PathJoinSubstitution(
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[pkg_nav2_bringup, 'launch', 'localization_launch.py'])
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localization = GroupAction([
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PushRosNamespace(namespace),
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IncludeLaunchDescription(
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PythonLaunchDescriptionSource(launch_localization),
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launch_arguments=[
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('namespace', namespace),
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('map', map),
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('use_sim_time', use_sim_time),
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('params_file', file_parameters)
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]
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),
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])
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return [localization]
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def generate_launch_description():
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map_arg = DeclareLaunchArgument(
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'map',
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description='Full path to map yaml file to load')
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ld = LaunchDescription(ARGUMENTS)
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ld.add_action(map_arg)
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ld.add_action(OpaqueFunction(function=launch_setup))
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return ld |