Re: [dpdk-dev] [PATCH] doc: allow sphinx build with no DPDK version

[Bruce Richardson <bruce.richardson@intel.com>]

On Thu, Nov 19, 2020 at 11:44:06AM +0000, Burakov, Anatoly wrote:
> On 19-Nov-20 11:24 AM, Bruce Richardson wrote:
> > On Thu, Nov 19, 2020 at 10:41:56AM +0000, Anatoly Burakov wrote:
> > > Currently, when building sphinx documentation, the build will only
> > > succeed if being run from the build system, because the conf.py
> > > script expects DPDK_VERSION environment variable to be set, and
> > > crashes if it is not.
> > > 
> > > However, there are certain external tools (such as sphinx
> > > documentation preview extensions for certain IDE's) that use live
> > > preview and thus rely on running their own sphinx commands. In these
> > > cases, it is useful to permit building sphinx documentation without
> > > specifying the DPDK_VERSION environment variable. The version string
> > > is the only thing preventing manual sphinx build commands from
> > > working.
> > > 
> > > Fix the conf.py to use "None" as a version string in cases when
> > > DPDK_VERSION environment variable is not set.
> > > 
> > > Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com> ---
> > > doc/guides/conf.py | 2 +- 1 file changed, 1 insertion(+), 1
> > > deletion(-)
> > > 
> > > diff --git a/doc/guides/conf.py b/doc/guides/conf.py index
> > > 9de490e1c4..aceeb62a4f 100644 --- a/doc/guides/conf.py +++
> > > b/doc/guides/conf.py @@ -36,7 +36,7 @@ html_show_copyright = False
> > > highlight_language = 'none' -release = environ['DPDK_VERSION']
> > > +release = environ.setdefault('DPDK_VERSION', "None") version =
> > > release
> > 
> > Since this is python, we can probably pull the value from the VERSION
> > file on the FS if it's not specified in the environment. However, for
> > now in terms of solving this problem, this version is ok.
> > 
> > Acked-by: Bruce Richardson <bruce.richardson@intel.com>
> > 
> 
> Yes, we could, and i had that thought. I just decided to keep it simple
> and not depending on FS layout. If there's consensus that picking it up
> from FS is better approach, i can submit a v2.
> 

My view is that it depends on whether you want this considered for 20.11.
If so, I'd suggest that a one-line fix is ok for possible inclusion. For
21.02, a fuller solution would probably be better.

/Bruce