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Do not import rclpy nor launch_ros at module level. #69

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Sep 11, 2019
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Do not import rclpy nor launch_ros at module level. #69

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5 changes: 2 additions & 3 deletions launch_testing_ros/launch_testing_ros/test_runner.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,20 +15,19 @@
"""Module for a ROS aware LaunchTestRunner."""

import launch
import launch_ros
import launch_testing.test_runner

import rclpy


class LaunchTestRunner(launch_testing.test_runner.LaunchTestRunner):

def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
import rclpy # Import on first use to avoid races at module level
self._rclpy_context = rclpy.context.Context()
rclpy.init(args=self._launch_file_arguments, context=self._rclpy_context)

def generate_preamble(self):
import launch_ros # Import on first use to avoid races at module level
return [launch.actions.IncludeLaunchDescription(
launch_description_source=launch.LaunchDescriptionSource(
launch_description=launch_ros.get_default_launch_description(
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