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

[Ivan Iudice]

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?

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
>>>>>>>> 
>>>>>>>> 
>>>>>>>> 
>>>>>>>> Con Tiscali Mobile Smart 30 4G hai minuti illimitati, 100 SMS e 30 
>>>>>>>> Giga in 4G a soli 8,99€ al mese. http://tisca.li/smart30
>>>>>>>> 
>>> 
>>>