On Sun, Jun 26, 2011 at 9:05 PM, Benjamin Root <ben.r...@ou.edu> wrote:

> On Sunday, June 26, 2011, Warren Weckesser
> <warren.weckes...@enthought.com> wrote:
> >
> >
> > On Sun, Jun 26, 2011 at 7:44 PM, Benjamin Root <ben.r...@ou.edu> wrote:
> >
> >
> > On Sunday, June 26, 2011, Carl Karsten <c...@personnelware.com> wrote:
> >> http://matplotlib.sourceforge.net/examples/api/radar_chart.html
> >>
> >> "Exception occurred rendering plot."
> >>
> >
> > Without more information, we can't help you.  What version of
> > matplotlib are you using? On what OS?  How did you install it?  Do the
> > tests pass?  And which backend?
> >
> >
> > That error is what shows up on the web page when you follow the link.
> >
> > Warren
> >
> >
>
> Ah, indeed it is.  I apologize for misunderstanding, what is odd is
> that the demo didn't work, but the mpl logo rendered fine.
>
> Who was it that uploaded the recent rebuild of the docs?
>
> Ben Root
>

I just had an epiphany and figured out what is causing this.  It looks like
that any example that uses the "if __name__ == '__main__' :" idiom is
failing to produce an image.  Some others that have the same issue are:

http://matplotlib.sourceforge.net/examples/api/sankey_demo.html
http://matplotlib.sourceforge.net/examples/api/hinton_demo.html
http://matplotlib.sourceforge.net/examples/api/logo2.html (it has a link,
but no image on the page)
http://matplotlib.sourceforge.net/examples/misc/multiprocess.html
http://matplotlib.sourceforge.net/examples/pylab_examples/arrow_demo.html

and many others (can be found by grepping for "__main__" in the examples
folder).

On a local build of the docs from master, axes_grid has two demos that also
fail to produce images for the docs.  They look to be new demos.

I wonder if this is being caused (or at least the errors hidden by) the new
multiprocessing approach for the doc-build.  Anybody have any thoughts on
how to deal with this?  I consider this a release-stopper.

Ben Root
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