Adding NaoQI API to PYTHONPATH (v1.12)

asked 2012-03-01 10:50:34 -0500

greczek_USC
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updated 2014-01-28 17:11:33 -0500

ngrennan
1 ●1 ●1

Hello, I am trying to set up ROS on my Nao robot. I keep getting the error: "Please make sure that Aldebaran's NaoQI API is in your PYTHONPATH." I found the answer below:

http://answers.ros.org/question/28814/adding-naoqi-to-the-pythonpath

and executed

PYTHONPATH=/my/path/to/naoqi-sdk-1.12-linux32/lib:${PYTHONPATH} ,

with "/my/path/to" being the path to the SDK in my system, but the error did not go away. I am using naoqi-sdk-1.12-linux32, so is the path different for this newer version?

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answered 2012-03-06 01:05:42 -0500

SLAMnect
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updated 2012-03-16 06:30:48 -0500

AHornung

5904 ●43 ●74 ●102 http://www.informatik....

Put this

export AL_DIR=/home/naokinect/nao1.12/naoqi-sdk-1.12-linux32
export LD_LIBRARY_PATH=$AL_DIR/lib
export PYTHONPATH=$AL_DIR/lib:$PYTHONPATH

into your bashrc. Path to the lib may differ to your path. Works for me.

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Using NaoQI 1.12.3 this seems to be fixed and the Python API only needs to be in the PYTHONPATH, no more need for LD_LIBRARY_PATH

AHornung ( 2012-04-10 07:18:16 -0500 )edit

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answered 2012-03-16 06:27:31 -0500

AHornung

5904 ●43 ●74 ●102 http://www.informatik....

As SLAMnect wrote, it seems like the NaoQI Python API in version 1.12 also seems to require LD_LIBRARY_PATH set in addition to the PYTHONPATH. But I would suggest against putting the complete directory always in your LD_LIBRARY_PATH in .bashrc. There are many other libraries in this directory and it will mess up your system with conflicting versions of boost for example.

Instead, put

export AL_DIR=$HOME/path/to/naoqi-sdk-1.12-linux32 
export PYTHONPATH=$AL_DIR/lib:$PYTHONPATH

in your .bashrc and either start nao_driver with

LD_LIBRARY_PATH=$AL_DIR/lib roslaunch nao_driver nao_driver.launch

or run

export LD_LIBRARY_PATH=$AL_DIR/lib

only in the terminal where you run nao_driver.

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answered 2012-06-08 01:11:06 -0500

dbworth
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updated 2012-06-08 01:11:40 -0500

8 June 2012
ROS Fuerte
NAOqi 1.12.3

To execute nao_driver I had to follow AHornung's post above, and edit both PYTHONPATH and pass LD_LIBRARY_PATH directly to roslaunch.

See here for a walk-through guide to installing ROS and NAOqi:
http://www.ros.org/wiki/nao/Tutorials/Getting-Started

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Adding NaoQI API to PYTHONPATH (v1.12)

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