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

[Ivan Iudice]

How can I force canale to use python 2.7?
I tried configuring as in:
https://pastebin.com/EZfNkcGy
Cmake said that 3.5 is required, but finished configuring; anyway I compiled 
and installed, but nothing changed.

Ivan

> Il giorno 21 feb 2020, alle ore 16:22, Philip Balister <address@hidden> ha 
> scritto:
> 
> On 2/21/20 3:21 AM, Ivan Iudice wrote:
>> Hi all,
>> gnuradio-companion calls the interpreter
>> #!/usr/bin/env python
>> Thus, the first python in the path is Python 2.7.
>> Is gnuradio using python 2.7?
> 
> Yes, try convincing cmake to use python2 for your OOT.
> 
> Philip
> 
>> 
>> Ivan
>> 
>>>> Il giorno 20 feb 2020, alle ore 20:51, Philip Balister <address@hidden> ha 
>>>> scritto:
>>> 
>>> Try:
>>> 
>>> $ less `which gnuradio-companion`
>>> 
>>> And see which python interpreter gnuradio-companion uses. Hopefully
>>> someone from Ettus support knows for sure and can help with the OOT.
>>> 
>>> Your OOT looks like it is using python3
>>> 
>>> Philip
>>> 
>>>> On 2/20/20 2:41 PM, Müller, Marcus (CEL) wrote:
>>>> Hi Ivan,
>>>> 
>>>> GNU Radio 3.7: Python2
>>>> GNU Radio 3.8: Py2 XOR Py3
>>>> GNU Radio >3.8: Py3
>>>>> On Thu, 2020-02-20 at 19:35 +0100, Ivan Iudice wrote:
>>>>> 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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>>>>>>>>>> 
>>>>> 
>>>>> 
>> 
>>