Re: [Discuss-gnuradio] [UHD] Replacing Cheetah Templates with Mako

On 07/07/2015 01:27 PM, Martin Braun wrote:
> Dear UHD users,
>
> We will be replacing Cheetah as a template engine with the less-dead
> Mako template engine. I have pushed a branch for feedback etc. to our
> github page:
> https://github.com/EttusResearch/uhd/tree/uhd/python3_mako_831
>
> This only affects people building UHD from source. People using binaries
> will not care or even need to know about this.
>
> *Why are we doing this?* The issue with Cheetah is, the project seems
> inactive and has not been updated in a long while. Also, it is not
> Python 3 compatible, and some of the distributions we support are
> starting to switch over to Python 3 as the default. We spent some time
> researching other template engines not only for quality and features,
> but also for stability of API, user base, community etc. Mako is used
> widely on the webs, and has a mostly backward-compatible API for several
> years now, as well as an active community.
>
> *What does UHD need a template engine for?* We use it to auto-generate
> code in some places. It saves us from typing out long, boring and
> repetitive sources files, which a computer can do much better than a
> human without typos. We do *not* use it during runtime or anytime after
> installation.
>
> *When will this be changed?* Soon, and will be permanent for the next
> major release (3.9.0).
>
> *Doesn't GNU Radio work fine with Cheetah?* GNU Radio is facing similar
> issues (e.g. no Python 3 compatibility), but Cheetah is much more deeply
> woven into GNU Radio and it's harder to replace, and such things can't
> happen unless for major releases. It's certainly not a single commit as
> for UHD.
>
> I'll leave this public branch up for a bit, and will then merge this
> into master -- but I'm happy for any feedback!
>
> Thanks,
> Martin
>
> _______________________________________________
> D
OK, so for those of us who maintain builder packages, like
build-gnuradio, what new packages do I need in the pre-reqs? Just
python-mako, or are
there more packages that are required?



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