ROS Resources: Documentation | Support | Discussion Forum | Index | Service Status | ros @ Robotics Stack Exchange
Ask Your Question

win_ros roslaunch error can't find module

asked 2013-11-20 06:39:33 -0500

Chimpien gravatar image

I am trying to get win_ros running and am having problems (I plan to have some nodes running on a Windows machine due to some hardware only having Windows support, with the main ROS system on Linux).

I followed the instructions on: win_ros hydro Msvc SDK

Installing all the python packages, and extracting the precompiled SDK and rosdeps to C:\opt, and adding to my path variable.

Right now I'm trying to test the system before attempting any of my own development following the test instructions: I call C:\opt\ros\hydro\x86\setup.bat, and as a test I ran rospack list and all the expected packages show up in the list. However, when I try to run roscore I get: ImportError: No module named roslaunch Is there something I have missed in the setup? Is there other scripts I need to run besides C:\opt\ros\hydro\x86\setup.bat

edit retag flag offensive close merge delete



I tried to reproduce your situation on clean pc installed Windows 7, but couldn't reproduce it. Check PYTHONPATH after call c:/opt/ros/hydro/x86/setup.bat like 'echo %PYTHONPATH%' on Windows command prompt, and check you can import roslaunch via command line of python client.

Yeongil Choe gravatar image Yeongil Choe  ( 2013-11-20 21:53:20 -0500 )edit

1 Answer

Sort by ยป oldest newest most voted

answered 2013-11-21 23:57:05 -0500

Chimpien gravatar image

I have found the issue in that another piece of software installed on my system (it's a work build so I didn't install it myself) used python within it and appeared earlier in the path so was running Python 2.6.2 instead of 2.7 meaning all the paths were wrong. Having shifted python27 to the beginning of PATH roscore is now running. Thanks for your speedy reply.

edit flag offensive delete link more

Question Tools

1 follower


Asked: 2013-11-20 06:39:33 -0500

Seen: 408 times

Last updated: Nov 20 '13