[yt-dev] Re: Separate yt.units into its own package, unyt

29 Mar 2018


      Thanks for all of your encouragement. The repository is now live at
https://github.com/yt-project/unyt.

I'll be making a release soon, I just need to add better documentation and
set up doc builds on either travis or readthedocs

-Nathan

On Thu, Mar 29, 2018 at 7:56 AM, D Collins  wrote:
...
Fantastic idea. I was happily kludging units out if yt earlier this week,
a stand alone would be super useful.
Sent from my pocket by accident.
On Mar 28, 2018, at 9:40 PM, Michael Zingale  wrote:
I like this idea -- seems super useful.
On Wed, Mar 28, 2018 at 6:47 PM, Bili Dong - Gmail 
wrote:
...
+1 for the idea!
On Wed, Mar 28, 2018 at 3:18 PM, Britton Smith 
wrote:
...
Also +1 on having yt depend on unyt and hosting under yt-project.  I
don't mind the package name "unyt", although "unyts" might also be worth
considering, since it came from yt.units.
I also have a number of instances of using just yt.units in scripts, so
I think this could be a super useful standalone package for many people.
This is great.
On Wed, Mar 28, 2018 at 2:56 PM, Matthew Turk 
wrote:
...
Awesome work.  +1 on making the new repo under yt-project, and I would
actually be 100% okay with having yt depend on this, since it's pure
python.
...
Hi all,
I had a request today to make yt.units its own package. Right now if
someone
wants to use yt.units in their own package, they need to depend on
*all* of
yt. That's quite a lot of code to depend on if all you want is an
ndarray
subclass that knows about units.
From the beginning, I've tried to make yt.units *not* depend on the
rest of
yt as much as possible. For this reason it's relatively simple as far
as
code modifications go to extract yt.units into it's own package.
This afternoon I've done most of that work and have created a new
On Wed, Mar 28, 2018 at 4:53 PM, Nathan Goldbaum 
wrote:
package
...
called "unyt" (pronounced the same as unit). For now the code lives
as a
repo owned by my github account:
https://github.com/ngoldbaum/unyt
I'd like to create a new repository in the yt-project github
organization
named unyt as a place for this code to live:
https://github.com/yt-project/unyt
For now I'm *not* working towards making yt depend on unyt -
effectively
I've forked yt.units into a new package. I've attempted to keep the
existing
git history for the new package though, so you may find that you have
commits in this new package that originated in yt.
This *does* effectively double the maintenance burden for yt.units,
since
now I need to make sure that yt.units and unyt don't diverge too much.
However, the pace of changes to yt.units is pretty slow these days so
I'm
not overly worried about creating a bunch of work for myself.
Eventually we could consider making yt depend on unyt and making
yt.units a
compatibility shim, however I don't think we want to take that step
yet.
So far I've only made changes necessary to get unyt isolated from the
rest
of yt. I've also renamed a few things. For example, YTArray is now
unyt_array and YTQuantity is now unyt_quantity.
I'm curious whether anyone has a problem with creating a repo on the
yt-project org for unyt to live in. If so, please let me know so we
can hash
it out.
Please also let me know if you have any other questions or concerns
about
the course of action outlined above.
-Nathan
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--
Michael Zingale
Associate Professor
Dept. of Physics & Astronomy • Stony Brook University • Stony Brook, NY
11794-3800
*phone*:  631-632-8225 <(631)%20632-8225>
*e-mail*: Michael.Zingale@stonybrook.edu
*web*: http://www.astro.sunysb.edu/mzingale
github: http://github.com/zingale
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