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

[Philip Balister]

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
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> 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
>>>>>>>>>
>>>>
>>>>
> 
>