Cannot import name GNURadio when launching perf-monitorx and ctrlport-monitor

GNU Radio
1

I am trying to measure performance of my OOT module with performance
counter and control port.

When I execute a command line gr-perf-monitorx or
gr-ctrlport-monitor,
an error below occurred:

    File

“/usr/local/lib/python2.7/dist-packages/gnuradio/ctrlport/GrDataPlotter.py”,
line 26, in
from gnuradio.ctrlport import GNURadio
ImportError: cannot import name GNURadio

Could anyone give me a hint for this?

For detail information, I’ve installed GNU Radio with build-gnuradio
script. The last commit of cloned git repository in my PC is d5cea6e4( https://gnuradio.org/redmine/projects/gnuradio/repository/revisions/d5cea6e44e29db6b62fabe2b1e5ec16e91b41e68)
in Jun 22 2015. I can’t remember exactly, but I think this commit was
used
to install the GNU Radio.

Regards,
Jeon.

2

The same error happens in the 3.7.8 release candidate.

– Volker

3

On Sat, Aug 1, 2015 at 1:41 AM, Volker S. [email protected] wrote:

an error below occurred:
script. The last commit of cloned git repository in my PC is `d5cea6e4(

https://gnuradio.org/redmine/projects/gnuradio/repository/revisions/d5cea6e44e29db6b62fabe2b1e5ec16e91b41e68)`

in Jun 22 2015. I can’t remember exactly, but I think this commit was used
to install the GNU Radio.

Regards,
Jeon.

This sounds as if Thrift wasn’t found when running cmake. Our cmake
scripts
use thrift to compile our gnuradio.thrift file into C++ and Python code
that is installed with GNU Radio.

The output of cmake will tell you if it found Thrift or not. Look under
the
list of enabled components for:

– * gr-ctrlport
– * * thrift

Tom

4

On Wed, Aug 5, 2015 at 2:15 AM, Jeon [email protected] wrote:

Installing thrift:
$ ./configure

$ cmake ..
# or

If you have a system with some fresh installation and configuration, it
won’t be a problem.

Regards,
Jeon.

We write this page to help people build Thrift:
http://gnuradio.org/redmine/projects/gnuradio/wiki/ControlPort

But there are some good hints here about resetting cmake in GNU Radio to
get it to recognize Thrift after installation.

Thanks,
Tom

5

Dear Tom,

Thanks for your advice.

Actually, I’ve got a trouble for days installing Thrift and enabling it
from GNU Radio.

This is just a simple wrap-up for readers who are not familiar with
compiling and building things.)

Installing thrift:

  1. Get Thrift 0.9.2

    0.9.2 release tag of git repository have some buggy stuff.
    So get the stable release from Apache Thrift - Download

  2. Extract it and build. Make sure that you have all of pre-requisites.

    $ tar xf thrift-0.9.2.tar.bz2
    $ cd thrift-0.9.2
    $ ./configure
    $ make
    $ sudo make install
    $ sudo ldconfig # just in case

  3. Check python can import Thrift

    $ python

    import thrift

3-1. If python can’t, do the followings:

$ cd thrift-0.9.2/lib/py
$ sudo python setup.py install

Go back step 3. And check again.

  1. Build GNU Radio.

    $ cd gnuradio
    $ mkdir build
    $ cd build
    $ cmake …
    $ make
    $ sudo make isntall

4-1. One important thing is, I recommend you to delete everythink inside
build directory.

At least, I recommend you to remove CMakeCache.txt:

$ cd build
$ rm -rf ./
# or
$ rm CMakeCache.txt

This file can help executing cmake, but sometimes it makes cmake get

wrong variables.

I've spent days to figure out this. cmakek gives me a wrong thrift

binary path /usr/bin/thrift.
Actually, I have thrift under /usr/local/bin.

I think it’s a quite unusual case since I have been messing around my
PC.
If you have a system with some fresh installation and configuration, it
won’t be a problem.

Regards,
Jeon.

2015-08-04 0:05 GMT+09:00 Tom R. [email protected]: