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Re: [Discuss-gnuradio] Problem with dial_tone.py


From: Muhammad Rosli
Subject: Re: [Discuss-gnuradio] Problem with dial_tone.py
Date: Sat, 3 Dec 2011 08:43:12 +1300

Hi,

It's because gnuradio cannot find your share file. Try to set environment variable of LD_LIBRARY_PATH and PYTHONPATH. For example, if you are installing gnuradio using default setting, you can setup the environment path in terminal as follow

export LD_LIBRARY_PATH=/usr/local/lib
export PYTHONPATH=/usr/local/lib/<python version>/dist-packages
or
export PYTHONPATH=/usr/local/lib/<python version>/site-packages

where <python version> depends on what python version is installed.

Before you set the environment path, please check that  libgnuradio-core-3.5.0rc0.so.0 is in /usr/local/lib and there are gnuradio folder inside the python path.

Regards,
Muhammad

On Sat, Dec 3, 2011 at 7:54 AM, Cyril Cavel <address@hidden> wrote:
Hello,

I installed Gnuradio on Ubuntu 10_04, following instructions on :
http://gnuradio.org/redmine/projects/gnuradio/wiki/UbuntuInstall

Everything seems to be ok until I try :
address@hidden:/usr/local/share/gnuradio/examples/audio$ python dial_tone.py

to test correct installation of Gnuradio. I got the following error :

address@hidden:/usr/local/share/gnuradio/examples/audio$ python dial_tone.py
Traceback (most recent call last):
  File "dial_tone.py", line 23, in <module>
    from gnuradio import gr
  File "/usr/local/lib/python2.6/dist-packages/gnuradio/gr/__init__.py", line 43, in <module>
    from gnuradio_core import *
  File "/usr/local/lib/python2.6/dist-packages/gnuradio/gr/gnuradio_core.py", line 23, in <module>
    from gnuradio_core_runtime import *
  File "/usr/local/lib/python2.6/dist-packages/gnuradio/gr/gnuradio_core_runtime.py", line 24, in <module>
    _gnuradio_core_runtime = swig_import_helper()
  File "/usr/local/lib/python2.6/dist-packages/gnuradio/gr/gnuradio_core_runtime.py", line 20, in swig_import_helper
    _mod = imp.load_module('_gnuradio_core_runtime', fp, pathname, description)
ImportError: libgnuradio-core-3.5.0rc0.so.0: cannot open shared object file: No such file or directory

Does anybody know what the problem is please ?
I have to say that I'm a beginner on Linux, I already successfully built Gnuradio on Windows using Cygwin, and now I need to install it on Ubuntu.

Thanks a million for your help.

Cyril



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--
Regards,
Muhammad b Rosli
Student
Bachelor of Electrical and Electronic
University of Canterbury


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