need to source /opt/ros/${ROS_DISTRO}/setup.bash, before source ~/cor… #17
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…al_ws/deve/setup.bash
otherwise we got
```
$ roslaunch
Traceback (most recent call last):
File "/opt/ros/melodic/bin/roslaunch", line 34, in <module>
import roslaunch
ImportError: No module named roslaunch
```
|
hmm, we build workspace after sourcing |
|
source ...setup.bash override ROS_DISTRO, ROS_PAKCAGE_PATH, but it only
append PYTHONPATH
```
k-okada@p51s:~$ echo $PYTHONPATH
/home/k-okada/pynaoqi/pynaoqi-python2.7-2.5.5.5-linux64/lib/python2.7/site-packages:
k-okada@p51s:~$ source catkin_ws/ws_coral/devel/setup.bash
k-okada@p51s:~$ echo $PYTHONPATH
/home/k-okada/catkin_ws/ws_coral/devel/lib/python3/dist-packages:/home/k-okada/pynaoqi/pynaoqi-python2.7-2.5.5.5-linux64/lib/python2.7/site-packages:
k-okada@p51s:~$ export PYTHONPATH=/a:/b
k-okada@p51s:~$ source catkin_ws/ws_coral/devel/setup.bash
k-okada@p51s:~$ echo $PYTHONPATH
/home/k-okada/catkin_ws/ws_coral/devel/lib/python3/dist-packages:/a:/b
k-okada@p51s:~$ export PYTHONPATH=/a:/b:$PYTHONPATH
k-okada@p51s:~$ echo $PYTHONPATH
/a:/b:/home/k-okada/catkin_ws/ws_coral/devel/lib/python3/dist-packages:/a:/b
k-okada@p51s:~$ source catkin_ws/ws_coral/devel/setup.bash
k-okada@p51s:~$ echo $PYTHONPATH
/home/k-okada/catkin_ws/ws_coral/devel/lib/python3/dist-packages:/a:/b:/a:/b
k-okada@p51s:~$ source /opt/ros/melodic/setup.bash
k-okada@p51s:~$ echo $PYTHONPATH
/opt/ros/melodic/lib/python2.7/dist-packages:/home/k-okada/catkin_ws/ws_coral/devel/lib/python3/dist-packages:/a:/b:/a:/b
k-okada@p51s:~$ source catkin_ws/ws_coral/devel/setup.bash
k-okada@p51s:~$ echo $PYTHONPATH
/opt/ros/melodic/lib/python2.7/dist-packages:/home/k-okada/catkin_ws/ws_coral/devel/lib/python3/dist-packages:/a:/b:/a:/b
```
--
◉ Kei Okada
2020年5月9日(土) 16:47 Shingo Kitagawa <notifications@github.com>:
… hmm, we build workspace after sourcing /opt/ros/$ROS_DISTRO/setup.bash,
so I think only workspace is needed.
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|
|
Oh, really I didn't know that. |
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…al_ws/deve/setup.bash
otherwise we got