Created
September 29, 2020 18:42
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import subprocess | |
import os | |
import time | |
class Gazebo: | |
def on_start(self): | |
"""This block is used to launch gazebo in noVNC | |
it builds the ros workspace, source it , then run a launch file | |
which run gazebo ros and load the appropriate world file. | |
""" | |
self.ws_path = self.get_property("ws_path") # Workspace Path | |
self.pkg_name = self.get_property("pkg_name") # ROS package name | |
self.launch_file = self.get_property("launch_file") # ROS launch file name | |
subprocess.Popen("sh /usr/local/bin/start_desktop.sh", shell=True) # Start the desktop | |
time.sleep(5) # sleep for some seconds until the desktop is started | |
self.alert("Building the ROS Workspace", "INFO") | |
subprocess.run( | |
"cd {} && . /opt/ros/melodic/setup.sh && catkin_make".format(self.ws_path), | |
shell=True, | |
) # build the ROS workspace | |
self.alert("Starting Gazebo", "INFO") | |
subprocess.Popen( | |
"vglrun bash -c 'source {}devel/setup.bash && roslaunch {} {}'".format( | |
os.path.join(self.ws_path, ""), self.pkg_name, self.launch_file | |
), | |
shell=True, | |
) #run the launch file |
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