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Re: Import problem of OOT module

From: Dr. Karsten Schmidt
Subject: Re: Import problem of OOT module
Date: Thu, 8 Jul 2021 00:10:12 +0200
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0

Hallo Marcus,

I checked the PYTHONPATH just by starting python3 and typing
import sys

As far as I know new OOT modules are installed under

And running the python files means either starting the flowgraph in grc
oder python3 test.py, where test.py is the grc generated python file.

Kind regards


Am 07.07.2021 um 23:24 schrieb Marcus Müller:
> Hallo Karsten,
> are you sure the PYTHONPATH is also set for the python files you execute? How 
> do you set
> the PYTHONPATH, and how do you run the python files?
> Best regards,
> Marcus
> On 07.07.21 22:28, Dr. Karsten Schmidt wrote:
>> Hallo
>> I’m trying to port a hardware driver from an older gnuradio version to to 
>> gnuradio 3.8.
>> According to the steps described in 
>> https://wiki.gnuradio.org/index.php/Guided_Tutorial_GNU_Radio_in_C%2B%2B#Creating_our_OOT_module
>> <https://wiki.gnuradio.org/index.php/Guided_Tutorial_GNU_Radio_in_C%2B%2B#Creating_our_OOT_module>
>> I was able port the content to gnuradio 3.8. It complies and installs cleanly
>> The new 2 modules (source and sink) are also visible in gnuradio-companion 
>> and can be used
>> in flowcharts and the code generation for python works. Nevertheless I’m not 
>> able to
>> execute the flowgraph. I  receive the following error message:
>> Traceback (most recent call last):
>> File "/home/ks/Ham/src/gr-hiqsdr/examples/tone_a.py", line 34, in <module>
>>   import hiqsdr
>> ModuleNotFoundError: No module named 'hiqsdr'
>> The relevant line is just an simple just "import hiqsdr"
>> The hiqsdr module is located in /usr/local/lib/python3/dist-packages/hiqsdr 
>> and the path
>> is also included in the PYTHONPATH
>> So I do not see the problem. Maybe somebody could help me.
>> In order to have a simple example, I tried the simple example from
>> https://wiki.gnuradio.org/index.php/OutOfTreeModules. I run in the same 
>> import problem.
>> Kind regards
>> Karsten
>> 73 de dg1vs

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