py27-mayavi: No module named wx

[alex m.]

Hi Jonathan,

Installing py27-configobj helped. Mayavi is working now.

Yes, it looks like Mayavi uses Qt 4.8.2. backend although I did not specify
this option when installing vtk5. Well.. does installing vtk5 like
"vtk5 -tcltk -x11" lead to using Qt4 backend? )

As for the the py26-* ports, I was surprised myself when, as I wrote, I
have uninstalled py26-envisagecore and py26-traits before
uninstalling/installing vtk5 and Mayavi, and at the end I got more py26-*
ports than at the beginning.

I do not have py26-mayavi installed:
...: port installed *mayavi*
The following ports are currently installed:
  py27-mayavi @4.1.0_0 (active)

Alex


On Mon, Aug 13, 2012 at 10:31 AM, Jonathan Stickel <jjstickel at gmail.com>wrote:

> On 8/12/12 13:00 , macports-users-request at lists.**macosforge.org<macports-users-request at lists.macosforge.org>wrote:
>
>> Date: Sat, 11 Aug 2012 23:16:47 -0400
>> From: "alex m."
>> Subject: py27-mayavi: No module named wx
>>
>>
>> Hi,
>>
>> Per MacPorts' Mayavi maintainer's suggestion which was expressed in the
>> last change to the ticket #34342, I would like to ask your help
>> with figuring out the following problem:
>>
>> I have updated py-mayavi to 4.1.0 and got the error you can find at the
>> end
>> of this e-mail. It was also described in the comment 27 of the ticket
>> #34432.
>>
>> As suggested in the ticket #34342, py26-envisagecore @3.2.0_0 and
>> py26-traits
>> @3.6.0_0 were uninstalled, vtk5 was uninstalled and installed like vtk5
>> -tcltk -x11 +python27. py27-mayavi was uninstalled and installed again.
>> The
>> same error is still there. Interestingly, "port installed*traits*" and
>> "port installed*envi*" now give:
>>
>> (now):
>> port installed*traits*
>>
>> The following ports are currently installed:
>>    py26-traits @4.1.0_0 (active)
>>    py26-traitsui @4.1.0_0 (active)
>>    py27-traits @4.1.0_0 (active)
>>    py27-traitsui @4.1.0_0 (active)
>>
>> (now):
>> port installed*envi*
>>
>> The following ports are currently installed:
>>    py26-envisage @4.1.0_0 (active)
>>    py27-envisage @4.1.0_0 (active)
>>
>>
>> The error message:
>> ###
>> ... : mayavi2-2.7
>> Warning: Unable to import the wx backend for pyface due to traceback:
>> Traceback (most recent call last):
>>
> <snip>
>
>> ImportError: No module named wx
>>
>> Traceback (most recent call last):
>>    File "/opt/local/bin/mayavi2-2.7", line 9, in <module>
>>      load_entry_point('mayavi==4.1.**0', 'console_scripts', 'mayavi2')()
>>
> <snip>
>
>> ImportError: No module named configobj
>> ______________________________**______________________________**
>> ____________________
>> Could not load envisage. You might have a missing dependency.
>> Do you have the EnvisageCore and EnvisagePlugins installed?
>>
>> If you installed Mayavi with easy_install, try 'easy_install <pkg_name>'.
>> 'easy_install Mayavi[app]' will also work.
>>
>> If you performed a source checkout and installed via 'python setup.py
>> develop',
>> be sure to run the same command in the EnvisageCore and EnvisagePlugins
>> folders.
>>
>> If these packages appear to be installed, check that your numpy and
>> configobj are installed and working. If you need numpy, 'easy_install
>> numpy'
>> will install numpy. Similarly, 'easy_install configobj' will install
>> configobj.
>> ###
>>
>
>
> If you use the QT4 backend (rather than wx), the warning/error messages
> about wx can be ignored. This is a bug in Mayavi itself. I see them also.
>
> I am confused as to why you have py26-* ports installed. Do need mayavi
> installed with both python-2.6 and python-2.7?
>
> Regarding the error message about configobj, I think this is the real
> problem. Do you have py27-configobj installed? If not, please install and
> try again. It looks like it may be a dependency that I missed. It got
> pulled in for matplotlib on my system, and so I didn't notice. I will try
> to hunt this down.
>
> Jonathan
>
> P.S.
> Mayavi-4.1 (and 4.2) have some bugs with VTK-5.10, e.g. text actors such
> as titles give errors. I plan to wait until Mayavi-4.3 is released, but I
> would respond to a patch to Mayavi-4.1 or 4.2.
>
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