Re: [matplotlib-devel] Default matplotlib data path

[Nadezhda D. <den...@st...>]

Hello,

I somehow missed all the action between matplotlib 0.84 and 0.86.2.
Trying to install v0.86.2 I find data files are not installed correctly
in all cases. Specifically support for '--home=' and '--install-data' is
broken. (We use --install-data for our installations.)

I know this is a very tricky issue (in fact if someone can tell me
how to get this done correctly for bdist_wininst, I'll be very gratefull)
but here's a suggestion which worked for me. I am copying the relevant
part from setup.py and hope someone has a better solution.

Thanks,
Nadia Dencheva


if has_setuptools: # EGG's make it simple
     datapath = os.path.curdir
     datapath = os.sep.join([datapath, 'matplotlib', 'mpl-data']) # This is where mpl data 
will be installed
# logic from distutils.command.install.finalize_options
elif os.name == 'posix':
     py_version_short = sys.version[0:3]
     #datapath = INSTALL_SCHEMES['unix_prefix']['platlib']
     #datapath = datapath.replace('$platbase/', '').replace('$py_version_short', 
py_version_short)
     #datapath = os.sep.join(['mpl-data']) # This is where mpl data will be installed
     args = sys.argv
     for a in args:
         if a.startswith('--home='):
             dir = os.path.abspath(a.split('=')[1])
             datapath = os.path.join(dir, 'lib', 'python', 'matplotlib', 'mpl-data')
         elif a.startswith('--prefix='):
             dir = os.path.abspath(a.split('=')[1])
             pythonver = 'python'+py_version_short
             datapath = os.path.join(dir, 'lib', pythonver, 'site-packages', 'matplotlib', 
'mpl-data')
         elif a.startswith('--install-data='):
             dir = os.path.abspath(a.split('=')[1])
             datapath = os.path.join(dir, 'mpl-data')
         else:
             pythonlib = distutils.sysconfig.get_python_lib(plat_specific=1)
             datapath = os.path.join(pythonlib, 'matplotlib', 'mpl-data')
else:
     datapath = INSTALL_SCHEMES[os.name]['platlib'].replace('$base/', '')
     datapath = os.sep.join([datapath, 'matplotlib', 'mpl-data']) # This is where mpl data 
will be installed

Charlie Moad wrote:
> Alright, I'll give it a shot and let you know.
> 
> On 12/7/05, John Hunter <jdh...@ac...> wrote:
> 
>>>>>>>"Charlie" == Charlie Moad <cw...@gm...> writes:
>>
>>    Charlie> Would it be considered cleaner to embed the mpl data into
>>    Charlie> the matplotlib module?  This would make it easier to
>>    Charlie> clean a mpl install.  The data path could be expressed
>>    Charlie> fairly easily too, as a one-liner:
>>
>>    Charlie> os.sep.join([os.path.split(matplotlib.__file__)[0],
>>    Charlie> 'matplotlib-data'])
>>
>>Yes, if you can engineer in a way that works with setup w/ and w/o a
>>--prefix arg it would be preferable, in my view.
>>
>>JDH
>>
> 
> 
> 
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