Re: [Discuss-gnuradio] Python/SWIG problems

[Martin Braun]

Dan,

would you like to add the info the wiki? Maybe onto the FAQ?

-- M

On 03/20/2017 01:46 AM, Daniel P. Martin wrote:
> I found the answer to this post in the discuss-gnuradio archive. The
> answer was posted by Patrick Sathyanathan:
> 
> [Discuss-gnuradio] OOT Module Attribute Error module object has no
> attribute 'blockname'
> <http://lists.gnu.org/archive/html/discuss-gnuradio/2015-08/msg00374.html>
> 
> The problem I had was exactly as Patrick describs, as was the solution.
> 
> I'd recommend putting this information on the new Wiki!
> 
> Dan Martin
> 
> 
> On 3/19/17 10:11 PM, Daniel P. Martin wrote:
>>
>> I periodically run into problems with the Python/SWIG portion of my
>> out-of-tree module builds. Wrapper modules are built by swig but
>> appear empty.
>>
>> I'm running Ubuntu 16.04.
>>
>> The error I get when I try to run a typical flowgraph that uses my
>> "abc_module" from GRC is
>>
>> --------
>> Using Volk machine: avx2_64_mmx_orc
>> [...]
>> AttributeError: 'module' object has no attribute 'periodic_burst_source'
>> -------
>>
>> SWIG appears to run and generate the wrapper files during the make,
>> but the wrapper files don't have the interface. I thought I'd fixed
>> this by reinstalling GNU radio, but now a module that once built
>> properly is failing as above. I can run python and "import abc_module"
>> but "Dir(abc_module)" shows it to be empty.
>>
>> There are multiple SWIG distribution/versions available. At one point
>> I thought switching to SWIG 3.0 fixed this issue but the last time it
>> cropped up switching to 3.0 had no effect.
>>
>> Also, the "make install" installing wrappers in
>> /usr/local/lib/python2.7/dist-packages, though on another machine I
>> have it has installed wrappers in /usr/lib/python2.7/dist-packages.
>>
>> Does anyone have tips or advice on debugging these issues?
>>
>> Thanks,
>> Dan
> 
> -- 
> Dr. Daniel Martin
> Acadia Controls, LLC
> 110 Gateway Commons Dr
> Gorham, ME
> 207 838-6465 mobile
> 207 839-6303 fax, office
> www.acadiacontrols.com
> 
> 
> 
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>