Re: [PATCH 2/6] docs-rst: automatically convert Graphviz and SVG images

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Hi Daniel and Markus,

On Thursday 02 Mar 2017 16:11:08 Daniel Vetter wrote:
> On Thu, Mar 02, 2017 at 03:58:36PM +0100, Markus Heiser wrote:
> > Am 02.03.2017 um 15:14 schrieb Laurent Pinchart:
> > > On Thursday 02 Mar 2017 14:54:32 Daniel Vetter wrote:
> > >> On Thu, Mar 2, 2017 at 1:26 PM, Laurent Pinchart wrote:
> > >>> Hi Daniel,
> > >>> 
> > >>> Thank you for the patch.
> > >>> 
> > >>> With this applied, I get
> > >>> 
> > >>> make[1]: Entering directory '/home/laurent/src/iob/renesas/linux64'
> > >>> 
> > >>>  SPHINX  htmldocs -->
> > >>>  file:///home/laurent/src/iob/renesas/linux64/Documentation/output
> > >>>  PARSE
> > >>>  
> > >>>    include/uapi/linux/videodev2.h
> > >>> 
> > >>> Running Sphinx v1.3.1
> > >>> 
> > >>> Extension error:
> > >>> Could not import extension kfigure (exception: cannot import name
> > >>> patches)
> > >>> make[2]: ***
> > >>> [/home/laurent/src/iob/renesas/linux/Documentation/Makefile.sphinx:70:
> > >>> htmldocs] Error 1 make[1]: ***
> > >>> [/home/laurent/src/iob/renesas/linux/Makefile:1453: htmldocs] Error 2
> > >>> make[1]: Leaving directory '/home/laurent/src/iob/renesas/linux64'
> > >>> make:
> > >>> *** [Makefile:152: sub-make] Error 2
> > >>> 
> > >>> sphinx.directive.patches got introduced in Sphinx 1.4. If you want to
> > >>> bump
> > >>> the minimum required version I think a notice is needed.
> > >> 
> > >> Ugh. But this also goes completely over my head, no idea whether we
> > >> must require sphinx 1.4 (it was released Mar 28, 2016), or whether
> > >> there's some way to work around this ... Halp?
> > > 
> > > I'm not a Sphinx expert so I don't know, but what I can tell is that
> > > copying the patches.py from Sphinx 1.4 to Documentation/sphinx/ and
> > > modifying kfigure.py to import it from there fixes the build. There's
> > > thus no extra depencency on Sphinx 1.4 (or newer).
> > > 
> > > I'm not sure we want to set a precedent by copying part of the Sphinx
> > > source code to the kernel tree (or inlining the single small function
> > > that the module provides), and I'll let someone more knowledgeable than
> > > me decide how to proceed.
> > 
> > Aargh ... we need virtualenv! For interim something like the following
> > might help. In file Documentation/sphinx/kfigure.py edit the imports
> > 
> > ...
> > from docutils.parsers.rst.directives import images
> > 
> > try:
> >     from sphinx.directives.patches import Figure
> > 
> > except ImportError:
> >     Figure = images.Figure
> > 
> > ...
> > 
> > And fix the class definition, so it use 'Figure' and no
> > longer 'patch.Figure'::
> > 
> > ...
> > -class KernelFigure(patches.Figure):
> > +class KernelFigure(Figure):
> > ...
> > 
> > Sorry that I have not yet the time to send you a decent and tested
> > patch. Do you like to test my suggestion? / thanks!
> 
> I'll give it a shot at implementing it, but I can't (easily at least) test
> on sphinx 1.3.

I can, and it works.

Tested-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

Thank you for the quick fix Markus.

-- 
Regards,

Laurent Pinchart

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