Re: [GNU Radio 3.8] Error loading modules on E310

[Ivan Iudice]

Your help is very welcome!
I’m sorry for the stupid question, however, how can I know which version of 
python is used by gnuradio?

Ivan

> Il giorno 20 feb 2020, alle ore 19:22, Philip Balister <address@hidden> ha 
> scritto:
> 
> On 2/20/20 11:25 AM, Ivan Iudice wrote:
>> Hi Philip!
>> I only have site-package folder in both python2.7 and python3.5 lib folders, 
>> no dist-package.
>> The problem is that in python3.5/site-package there is not numpy, it’s only 
>> in python2.7/site-package.
>> Is it not installed for python3? How can I install it in both the sdk 
>> sysroot and in the target?
> 
> hmm, is gnuradio on the e310 using python 2 or 3? Maybe mixed python
> versions.
> 
> Sorry for the short answer, trying to help, but I don't use the Ettus
> builds for gnuradio.
> 
> Philip
> 
>> Thanks so much.
>> 
>> Ivan
>> 
>>>> Il giorno 20 feb 2020, alle ore 17:05, Philip Balister <address@hidden> ha 
>>>> scritto:
>>> 
>>> I had some dist-packages versus site-packages with some versions of
>>> gnuradio. See if both exist. I'm betting numpy is in site-packages.
>>> 
>>> Philip
>>> 
>>>> On 2/19/20 4:46 PM, Ivan Iudice wrote:
>>>> I’m curious to know if there is somebody in the list developing for E310 
>>>> using current SDK.
>>>> This is a problem that, obviously, everybody wants execute custom module 
>>>> could incur.
>>>> Any ideas?
>>>> 
>>>> Ivan
>>>> 
>>>>>> Il giorno 17 feb 2020, alle ore 17:31, address@hidden ha scritto:
>>>>> 
>>>>> 
>>>>> Dear all,
>>>>> finally I cross-compiled my OOT module for running on USRP E310.
>>>>> Based on the instructions at 
>>>>> "https://kb.ettus.com/Software_Development_on_the_E3xx_USRP_-_Building_RFNoC_UHD_/_GNU_Radio_/_gr-ettus_from_Source";,
>>>>>  I set the environment variable PYTHONPATH a little bit different, to 
>>>>> point the path of the installed OOT module:
>>>>> 
>>>>> export PYTHONPATH=$LOCALPREFIX/lib/python3.5/dist-packages:$PYTHONPATH
>>>>> 
>>>>> Such a way, on the target I can load my custom module in python.
>>>>> root@ni-e31x-316AFEA:~# python3 -c "import custom_mod"
>>>>> I created a flowgraph that use my OOT module, and I discovered in the 
>>>>> newer file system for E310 python3 has not all of the needed libraries.
>>>>> root@ni-e31x-316AFEA:~# ./top_block.py
>>>>> Traceback (most recent call last):
>>>>> File "./top_block.py", line 12, in <module>
>>>>>   from gnuradio import blocks
>>>>> File 
>>>>> "/home/root/localinstall/usr/lib/python3.5/dist-packages/gnuradio/blocks/__init__.py",
>>>>>  line 38, in <module>
>>>>>   from .stream_to_vector_decimator import *
>>>>> File 
>>>>> "/home/root/localinstall/usr/lib/python3.5/dist-packages/gnuradio/blocks/stream_to_vector_decimator.py",
>>>>>  line 23, in <module>
>>>>>   from gnuradio import gr
>>>>> File 
>>>>> "/home/root/localinstall/usr/lib/python3.5/dist-packages/gnuradio/gr/__init__.py",
>>>>>  line 46, in <module>
>>>>>   from .top_block import *
>>>>> File 
>>>>> "/home/root/localinstall/usr/lib/python3.5/dist-packages/gnuradio/gr/top_block.py",
>>>>>  line 32, in <module>
>>>>>   from .hier_block2 import hier_block2
>>>>> File 
>>>>> "/home/root/localinstall/usr/lib/python3.5/dist-packages/gnuradio/gr/hier_block2.py",
>>>>>  line 26, in <module>
>>>>>   import pmt
>>>>> File 
>>>>> "/home/root/localinstall/usr/lib/python3.5/dist-packages/pmt/__init__.py",
>>>>>  line 61, in <module>
>>>>>   from .pmt_to_python import pmt_to_python as to_python
>>>>> File 
>>>>> "/home/root/localinstall/usr/lib/python3.5/dist-packages/pmt/pmt_to_python.py",
>>>>>  line 23, in <module>
>>>>>   import numpy
>>>>> ImportError: No module named 'numpy'
>>>>> How could I solve the problem?
>>>>> I'm so close to run my OOT modules on the target...
>>>>> Thanks so much.
>>>>> Ivan
>>>>> 
>>>>> 
>>>>> 
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>>>> 
>> 
>>