[Matplotlib-users] Failing to install matplotlib with python 3

[Jens Nielsen]

Looks like LooseVersion gets something that it not quite understand. As far
as I can see this is coming from freetype

What does running pkg-config --modversion freetype2 on the commandline give?

best
Jens

On Thu, 16 Jun 2016 at 17:09 Alan <alanwilter at gmail.com> wrote:

> Hi there,
>
> I am not the admin so I have installed my own python 3.5.1 and I am using
> pip3 to install all modules I need. I got all but matplotlib :-(
>
> pip3 install -U matplotlib
>
>                     Collecting matplotlib
>   Using cached matplotlib-1.5.1.tar.gz
>     Complete output from command python setup.py egg_info:
>     Traceback (most recent call last):
>       File "<string>", line 1, in <module>
>       File "/tmp/pip-build-6eka4_fr/matplotlib/setup.py", line 167, in
> <module>
>         result = package.check()
>       File "/tmp/pip-build-6eka4_fr/matplotlib/setupext.py", line 980, in
> check
>         min_version='1.2', version=version)
>       File "/tmp/pip-build-6eka4_fr/matplotlib/setupext.py", line 459, in
> _check_for_pkg_config
>         if (not is_min_version(version, min_version)):
>       File "/tmp/pip-build-6eka4_fr/matplotlib/setupext.py", line 179, in
> is_min_version
>         return found_version >= expected_version
>       File "/sw/arch/Test2/lib/python3.5/distutils/version.py", line 70,
> in __ge__
>         c = self._cmp(other)
>       File "/sw/arch/Test2/lib/python3.5/distutils/version.py", line 337,
> in _cmp
>         if self.version < other.version:
>     TypeError: unorderable types: str() < int()
>
> ============================================================================
>     Edit setup.cfg to change the build options
>
>     BUILDING MATPLOTLIB
>                 matplotlib: yes [1.5.1]
>                     python: yes [3.5.1 (default, Jun 16 2016, 11:03:02)
>  [GCC
>                             4.4.7 20120313 (Red Hat 4.4.7-11)]]
>                   platform: yes [linux]
>
>     REQUIRED DEPENDENCIES AND EXTENSIONS
>                      numpy: yes [version 1.11.0]
>                   dateutil: yes [using dateutil version 2.5.3]
>                       pytz: yes [using pytz version 2016.4]
>                     cycler: yes [using cycler version 0.10.0]
>                    tornado: yes [using tornado version 4.3]
>                  pyparsing: yes [using pyparsing version 2.1.5]
>                     libagg: yes [pkg-config information for 'libagg' could
> not
>                             be found. Using local copy.]
>                   freetype: yes [version unknown]
>
>     ----------------------------------------
> Command "python setup.py egg_info" failed with error code 1 in
> /tmp/pip-build-6eka4_fr/matplotlib/
>
> What am I missing here please?
>
> Thanks,
>
> Alan
>
> PS. btw, with python 2.7.11 all went fine.
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