Re: [Discuss-gnuradio] Problem loading Python block

[Martin Braun (CEL)]

For a hier block in Python, do

$ gr_modtool.py add -t hier -l python

You need 3.6.3 to do that.

Also, you'll need a new version of modtool (it usually lags a bit behind
changes in GNU Radio).

MB


On Fri, Jan 25, 2013 at 05:05:56PM +0100, Nemanja Savic wrote:
> Hi all,
> 
> 
> today i was trying to make hierarchical signal processing block in Python. I
> started with gr_modtool script, and configured it for hierpython block type.
> 
> 
> My idea was to design block similar to packet framer, so inside of the new
> block, I connected binary slicer and Framer sink. I have also declared message
> queue.
> 
> 
> Outside of main block, I designed another block which should collect messages
> sent by framer from the main block.
> 
> 
> When I wanted to run this block, I got following error:
> 
> 
> 
> Traceback (most recent call last):
>   File "/home/savi_ne/work/gnuradio/GRC/top_block.py", line 439, in <module>
>     tb = top_block()
>   File "/home/savi_ne/work/gnuradio/GRC/top_block.py", line 183, in __init__
>     self.test_packet_proba_0 = test.packet_proba()
> AttributeError: 'module' object has no attribute 'packet_proba'
> 
> 
> 
> Next I found that maybe I have to put following line in __init__.py file:
> 
> from packet_proba import *
> 
> 
> After that I got similar error:
> 
> Traceback (most recent call last):
>   File "/home/savi_ne/work/gnuradio/GRC/top_block.py", line 18, in <module>
>     import test
>   File "/usr/local/lib64/python2.6/site-packages/test/__init__.py", line 49, 
> in
> <module>
>     from packet_proba import *
>   File "/usr/local/lib64/python2.6/site-packages/test/packet_proba.py", line
> 51, in <module>
>     class proba(gr.basic_block):
> AttributeError: 'module' object has no attribute 'basic_block'
> 
> 
> I have also tried with gr.block instead of gr.basic_block, but with identical
> results.
> 
> 
> Can anybody tell what's missing?
> 
> 
> Thanks
> 
> 
> --
> Nemanja Savić
> 

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> Discuss-gnuradio mailing list
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> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio


-- 
Karlsruhe Institute of Technology (KIT)
Communications Engineering Lab (CEL)

Dipl.-Ing. Martin Braun
Research Associate

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Building 05.01
76131 Karlsruhe

Phone: +49 721 608-43790
Fax: +49 721 608-46071
www.cel.kit.edu

KIT -- University of the State of Baden-Württemberg and
National Laboratory of the Helmholtz Association

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