On 7 July 2010 14:00, John Hunter <jdh2...@gmail.com> wrote:
> On Wed, Jul 7, 2010 at 12:12 PM, Eric Firing <efir...@hawaii.edu> wrote:
>> On 07/07/2010 04:25 AM, Angus McMorland wrote:
>>> Hi all,
>>>
>>> I'm trying to install matplotlib from svn. I have two versions of
>>> numpy on my computer: one installed by the Ubuntu package manager in
>>> /usr/lib and one installed from source in /usr/local/lib which takes
>>> precedence based on the order of my PYTHONPATH. I'm trying to install
>>> the latest matplotlib from source, also into /usr/local using
>>>
>>> python setup.py install --prefix=/usr/local
>>>
>>> but mpl's setup.py appears to not use np.get_include() when working
>>> out where to look for the numpy headers, so is finding the old ones in
>>> /usr/lib. Is this the correct behaviour, and/or am I doing something
>>> wrong? Is there another way to specify where the headers should be
>>> found?
>>
>> I can't investigate properly right now, but get_include() is getting called:
>>
>> efir...@manini:~/programs/py/mpl/mpl_trunk$ grep get_include *.py
>> setupext.py:    module.include_dirs.append(numpy.get_include())
>>
>> You could try putting in print statements to see what version of numpy
>> has been imported at that point, and if it is the wrong one, how that
>> comes about.  When numpy is being imported for the first time in
>> setupext.py, is PYTHONPATH what you think it is?
>
> That was my first thought -- when you call setup.py install are you
> running as root.  If so, it may not be picking up your userland
> PYTHONPATH.  Try adding the python path on the install line, eg
>
> PYTHONPATH=/usr/local/lib/python2.6/site-packages python setup.py
> install --prefix=/usr/local

Thanks guys- that was exactly the problem: sudo not carrying
PYTHONPATH through from userland. In case anyone's interested, I fixed
it by adding

Defaults env_keep+="PYTHONPATH"

to my /etc/sudoers file, so the problem should now be permanently
fixed. Sorry for the noise.

Angus.

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