Re: [Discuss-gnuradio] Cannot import gnuradio

[Arturo Rinaldi]

Il 15/06/13 13:02, Tanaga Biru ha scritto:

Dear Helper,

I had installed GNU Radio, but  when I run gnuradio-companion in Ubuntu Terminal, I received the following message:

Cannot import gnuradio.

Is the python path environment variable set correctly?

All OS: PYTHONPATH

Is the library path environment variable set correctly?

Linux: LD_LIBRARY_PATH

Windows: PATH

MacOSX: DYLD_LIBRARY_PATH

I had set the path in .bashrc and .profile

export PYTHONPATH=$PYTHONPATH:/usr/local/lib/python2.7/dist-packages

export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib

Thank you.

Regards,

Tanaga Biru

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Hi Tanaga, follow these steps :

1. Uninstall gnuradio with "sudo make uninstall"

2. Remove all the "export"(s) in the .profile and .bashrc files or better leave only :

          export PYTHONPATH=$PYTHONPATH:/usr/local/lib/python2.7/dist-packages

in the .bashrc file

3. go back in the root folder of the gnuradio source and remove the "build" folder you used to compile gnuradio.

           rm -rf build/

4. Edit the CMakeLists.txt file in the gnuradio root folder in the following way as described here :

   https://bbs.archlinux.org/viewtopic.php?id=147452  

        replace :
 
              find_package(PythonLibs)

        with :

             find_package(PythonLibs <your-python-version>)

you'll get the python version from your shell

5. rebuiild and install gnuradio in the usual way. All the issues should be fixed now....Let me know....

Kind Regards,

                 Arturo