linux-kernel - Re: [PATCH 1/2] docs: cdomain.py: add support for two new Sphinx 3.1+ tags

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Date:   Fri, 25 Sep 2020 06:14:13 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     Jonathan Corbet <corbet@....net>
Cc:     Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] docs: cdomain.py: add support for two new Sphinx
 3.1+ tags

Em Thu, 24 Sep 2020 10:22:25 -0600
Jonathan Corbet <corbet@....net> escreveu:

> On Thu, 24 Sep 2020 18:13:54 +0200
> Mauro Carvalho Chehab <mchehab+huawei@...nel.org> wrote:
> 
> > > How can this possibly work without a "global namespace" declaration in
> > > markup_namespace()?    
> > 
> > ... While I'm not a python expert, the namespace variable is global
> >     because it was defined outside the "markup_namespace" function.  
> 
> Assignments within functions are *always* local unless declared global.
> 
> Try this:
> 
> 	$ python3
> 	>>> x = 0
> 	>>> def y(v):
> 	>>>	x = v
> 	>>>
> 	>>> y(1)
> 	>>> x  
> 	0
> 	>>>  
> 
> So your assignment to "namespace" in markup_namespace() cannot change the
> global, since it's not declared global.

Ok! Thanks for helping with this. I'll declare namespace as global for
the next version.

Thanks,
Mauro