[yt-users] Issue with "yt serve command"

[Matthew Turk]

Hi Kearn,

There was a recent change to matplotlib that set the default backend
to be OSX, which won't work with the yt installation of Python.  We've
updated our install script to work around this.  I've issued a PR to
fix the behavior you're seeing, which I believe should be isolated to
the "yt serve" command.  Here's the PR:

https://bitbucket.org/yt_analysis/yt/pull-request/585/hotfix-for-when-matplotlib-default-backend/diff

I think it should be good to go, but someone else will have to accept.

-Matt

On Thu, Sep 5, 2013 at 9:40 AM,  <k.grisdale at surrey.ac.uk> wrote:
> Hi,
>
> I am a new user to both python and yt. I have installed yt on a MacBook Pro running os x 10.8.4.
>
> I installed yt by following the steps on yt-project.org. The install went without displaying any errors. When the install completed it gave me several instructions, first the source command and then to use the "yt serve" command.
>
> However when I type in the "yt serve" command after the source command I get the message below in the terminal and nothing else happens.
>
> I have installed python separately using home-brew and the command "$ brew install python --framework"
>
> I am using the  b118390aa42c version of yt.
>
> Can anyone suggest how I can get yt serve to work.
>
> Thanks
>
> Kearn
>
>
> Traceback (most recent call last):
>   File "/Applications/Code/yt/yt-x86_64/bin/yt", line 9, in <module>
>     load_entry_point('yt==2.5.5', 'console_scripts', 'yt')()
>   File "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/utilities/command_line.py", line 1696, in run_main
>     args.func(args)
>   File "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/utilities/command_line.py", line 94, in run
>     self(args)
>   File "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/utilities/command_line.py", line 1561, in __call__
>     hr = ExtDirectREPL(reasonjs_path, use_pyro=args.use_pyro)
>   File "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/gui/reason/extdirect_repl.py", line 249, in __init__
>     reason_pylab()
>   File "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/gui/reason/extdirect_repl.py", line 193, in reason_pylab
>     import pylab, matplotlib
>   File "/Applications/Code/yt/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-macosx-10.4-x86_64.egg/pylab.py", line 1, in <module>
>     from matplotlib.pylab import *
>   File "/Applications/Code/yt/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-macosx-10.4-x86_64.egg/matplotlib/pylab.py", line 269, in <module>
>     from matplotlib.pyplot import *
>   File "/Applications/Code/yt/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-macosx-10.4-x86_64.egg/matplotlib/pyplot.py", line 98, in <module>
>     _backend_mod, new_figure_manager, draw_if_interactive, _show = pylab_setup()
>   File "/Applications/Code/yt/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-macosx-10.4-x86_64.egg/matplotlib/backends/__init__.py", line 25, in pylab_setup
>     globals(),locals(),[backend_name])
>   File "/Applications/Code/yt/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-macosx-10.4-x86_64.egg/matplotlib/backends/backend_macosx.py", line 21, in <module>
>     from matplotlib.backends import _macosx
> RuntimeError: Python is not installed as a framework. The Mac OS X backend will not be able to function correctly if Python is not installed as a framework. See the Python documentation for more information on installing Python as a framework on Mac OS X. Please either reinstall Python as a framework, or try one of the other backends.
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