Re: [Discuss-gnuradio] Ubuntu 13.10 (Saucy Salamander) - runs from terminal, but not GRC

[Tom Rondeau]

On Thu, Nov 7, 2013 at 6:52 PM, Tom McDermott <address@hidden> wrote:
> Hi Tom,  thanks again for all your help.
>
> It runs from a terminal OK.
> The missing Qwt5 error comes when trying to run it from GRC.
>
> -- Tom

Ok, that's good news. It's likely that the problem is just in how you
are launching GRC that must not be getting the PYTHONPATH variable set
properly. Are you running gnuradio-companion from the terminal where
you've set the env variable? Out of years of habit, that's how I
always bring up GRC.

Tom



> ________________________________
> From: Tom Rondeau <address@hidden>
> To: Tom McDermott <address@hidden>
> Cc: "address@hidden" <address@hidden>
> Sent: Thursday, November 7, 2013 1:53 PM
> Subject: Re: [Discuss-gnuradio] Ubuntu 13.10 (Saucy Salamander)
>
> On Thu, Nov 7, 2013 at 4:37 PM, Tom McDermott <address@hidden>
> wrote:
>> Hi Tom,
>>
>> That fixed PyQwt.  Then did a cmake, make, sudo make install of all
>> gnuradio
>> sucessfully.
>>
>> When I try to run a flowgraph, the error in the GRC console window is:
>>
>> Traceback (most recent call last):
>>  File "/home/tom/Desktop/top_block.py", line 16, in <module>
>>    import PyQt4.Qwt5 as Qwt
>> ImportError: No module named Qwt5
>>
>> looking at the packages *qwt*
>>
>> $ dpkg -l '*qwt*'
>> Desired=Unknown/Install/Remove/Purge/Hold
>> |
>>
>> Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
>> |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
>> ||/ Name          Version      Architecture Description
>>
>> +++-==============-============-============-=================================
>> ii  libqwt-dev    6.0.0-1.2    amd64        Qt widgets library for
>> technical
>> rc  libqwt5-qt4    5.2.3-1      amd64        Qt4 widgets library for
>> technical
>> un  libqwt5-qt4-de <none>                    (no description available)
>> ii  libqwt6        6.0.0-1.2    amd64        Qt widgets library for
>> technical
>> un  libqwtplot3d-q <none>                    (no description available)
>> ii  libqwtplot3d-q 0.2.7+svn191 amd64        3D plotting library based on
>> Qt4/
>> ii  libqwtplot3d-q 0.2.7+svn191 amd64        3D plotting library based on
>> Qt4/
>> un  python-qwt3d-q <none>                    (no description available)
>> un  python-qwt5-qt <none>                    (no description available)
>>
>>
>> -- Tom
>
> When you installed PyQWT, you should have configured it using:
>
> ./configure.py -Q ../qwt-5.2
> --module-install-path=/opt/qt/lib/python2.7/dist-packages/PyQt4/Qwt5
>
> That '--module-install-path' is where the Qwt module would be
> installed in to. So make sure that that directory structure is
> correct. Then, you have to make sure your PYTHONPATH is set correctly.
> In my instructions, I install everything into /opt/qt. I then make
> sure that the PYTHONPATH variable is appended with this directory.
> That should make sure that Python looks there first for PyQt4.Qwt5.
>
> So just verify that the Qwt Python module is installed and that
> PYTHONPATH is set in your environment.
>
>
> Tom
>
>
>
> _______________________________
>> From: Tom Rondeau <address@hidden>
>> To: Tom McDermott <address@hidden>
>> Cc: "address@hidden" <address@hidden>
>> Sent: Thursday, November 7, 2013 12:35 PM
>>
>> Subject: Re: [Discuss-gnuradio] Ubuntu 13.10 (Saucy Salamander)
>>
>> On Thu, Nov 7, 2013 at 3:31 PM, Tom McDermott <address@hidden>
>> wrote:
>>> Hi Tom - OK, that got PyQt to install...
>>>
>>> Now install of PyQwt fails:
>>>
>>> ./configure.py -Q ../qwt-5.2
>>> --module-install-path=/opt/qt/lib/python2.7/dist-packages/PyQt4/Qwt5
>>>
>>> produces
>>>
>>> sip: Deprecation warning: ../sip/qwt5qt4/QwtModule.sip:32: %Module
>>> version
>>> number should be specified using the 'version' argument
>>> sip: Unable to find file "QtCore/QtCoremod.sip"
>>> SIP failed to generate the C++ code.
>>>
>>> -- Tpm
>>
>> Ah, ok. This is why we have to install PyQT ourselves and can't rely
>> on the Ubuntu-installed code. That QtCoremod.sip file is installed
>> when we install PyQT. My guess is that you have to set up the
>> environmental variables before trying to configure PyQWT. I updated
>> the webpage to do this before anything else, so go and look at the new
>> order of instructions and see if that helps.
>>
>> I think I did this myself and then wrote up the description out of
>> order because I thought it made more logical sense. Hopefully this
>> does it for you.
>>
>>
>> Tom
>>
>>
>>> ________________________________
>>> From: Tom Rondeau <address@hidden>
>>> To: Tom McDermott <address@hidden>
>>> Cc: GNURadio Discussion List <address@hidden>
>>> Sent: Thursday, November 7, 2013 12:11 PM
>>> Subject: Re: [Discuss-gnuradio] Ubuntu 13.10 (Saucy Salamander)
>>>
>>> On Thu, Nov 7, 2013 at 3:07 PM, Tom Rondeau <address@hidden> wrote:
>>>> On Thu, Nov 7, 2013 at 3:01 PM, Tom McDermott <address@hidden>
>>>> wrote:
>>>>> Hi Tom,  thanks for your effort.
>>>>>
>>>>> At the step where PyQt 4.10.3 is installed,
>>>>>
>>>>> python configure.py -b /opt/qt/bin -d
>>>>> /opt/qt/lib/python2.7/dist-packages
>>>>> -v
>>>>> /opt/qt/share/sip
>>>>>
>>>>>
>>>>> The command does many steps then errors out with:
>>>>> sh: 1: /usr/bin/sip: not found
>>>>> Error: Unable to create the C++ code.
>>>>>
>>>>> -- Tom
>>>>
>>>> Ah, kind of a formatting flaw on my part. I snuck this package into
>>>> the apt-get line above acting like everyone would start from scratch.
>>>>
>>>> You have to install the python-sip package:
>>>> $ sudo apt-get install python-sip
>>>>
>>>> I've updated the webpage to make this clear.
>>>>
>>>> Tom
>>>
>>> Just to be on the safe side, I also added the package "python-sip-dev"
>>> which might be the one that actually installs the sip binary. I have
>>> both on all of the instances that I tried this on.
>>>
>>>
>>> Tom
>>>
>>>
>>
>>
>
>