Some success!
I think my lack of understanding of how virtualenv (and dist- vs
site-packages) actually works is to blame... The "--no-site-packages" flag
does what it says on the tin and the dist-packages are available whether or
not this option is used....
Hence, no need (in my case) to build matplotlib in the virtualenv ...
On 9 June 2010 19:06, Robert Sudwarts <robert.sudwa...@gmail.com> wrote:
> Thanks to both of you for your replies.
>
> I should have included the info that I've tried to build matplotlib using
> virtualenv with the --no-site-packages option.
>
> ... And in the meantime, I have an existing (and working) build, courtesy
> of the Ubuntu package manager.
>
> Seeing as the package manager version is working, I'm going to scrub
> everything that I currently have (including any build directories which have
> been created along the way) and start from scratch... I'll let you know if
> that works!!
>
> Thanks again,
> Rob
>
>
>
>
>
> On 9 June 2010 18:26, Benjamin Root <ben.r...@ou.edu> wrote:
>
>> I don't know if this is the same issue that I had once, but I will just
>> throw it out there. Once I compiled matplotlib myself before
>> double-checking that I had all the needed development files and so the build
>> process didn't produce all the files for tkagg and used GTKAgg instead. I
>> had to get all the needed development packages and completely clean out my
>> build directory and rebuild matplotlib before it would work properly.
>>
>> Ben Root
>>
>> On Wed, Jun 9, 2010 at 9:47 AM, Robert Sudwarts <
>> robert.sudwa...@gmail.com> wrote:
>>
>>> Hi,
>>>
>>> I've installed matplotlib in a virtual environment but am having a
>>> problem with generating a plot.
>>> I've tried to run a "simple_plot.py" both as a script and from within the
>>> ipython/python shell.
>>>
>>> I've changed the backend in
>>> virtualenvs/.../lib/python2.6/site-packages/matplotlig/mpl-data/matplotlibrc
>>> to: "backend : TkAgg"
>>>
>>> from the within the virtualenv (regular python) shell I can:
>>> >>> import _tkinter
>>> >>> import Tkinter
>>> >>> Tkinter._test()
>>> (and the test window opens as expected)
>>>
>>> My virtualenv sys.path includes:
>>> "/home/virtualenvs/.../lib/python2.6/lib-tk'
>>>
>>> When I try to use ipython -pylab (or run a script) I'm getting an error:
>>>
>>> .... import _tkagg
>>> ImportError: No module named _tkagg
>>>
>>> I'm assuming that there's a relatively simple fix for this related to the
>>> "matplotlibrc" backend but can't for the life of me work out how to get it
>>> fixed. I'd be grateful for any help.
>>>
>>> Many thanks,
>>> Rob
>>>
>>>
>>>
>>>
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