[yt-dev] Finalizing the license switch

[Matthew Turk]

Hi everyone,

After our discussion about authors lists, I've removed the authors
from the files.  Feel free to approve the PR, and we can accept it
whenever.  I'm going to start the process of merging into 3.0 today.

-Matt

On Tue, Sep 10, 2013 at 3:47 PM, Matthew Turk <matthewturk at gmail.com> wrote:
> Hi all,
>
> Here is the yt-2.x pull request.
>
> https://bitbucket.org/yt_analysis/yt/pull-request/596/relicensing-to-bsd-3-clause/diff
>
> Since we have public consent from everyone who has contributed to yt
> 2.x, I believe unless there are problems with this, it should be
> mergable relatively soon.
>
> The Rockstar inteface code is still in there, which I am thinking is
> okay since by default it is not imported *nor* linked.  However,
> HEALpix has been removed, as it was not a conditional compile nor a
> conditional import.
>
> -Matt
>
> On Mon, Sep 9, 2013 at 2:22 PM, Matthew Turk <matthewturk at gmail.com> wrote:
>> Hi all,
>>
>> I've screwed up and accidentally pushed the entire changesets to the repo.
>>
>> PLEASE do not touch the repo for a bit -- no PR acceptance, etc etc --
>> as I am going to try to get the changeset stripped as it really should
>> be verified and vetted first.  I'm emailing BB support, as the strip
>> task is failing for me presently.
>>
>> -Matt
>>
>> On Mon, Sep 9, 2013 at 11:39 AM, Matthew Turk <matthewturk at gmail.com> wrote:
>>> Hi everyone,
>>>
>>> I'm writing about the licensing situation.  A while back we had a
>>> discussion about transitioning to BSD 3-clause.  Here is the progress
>>> on that:
>>>
>>>  * I have received (offline or online) consent from everyone listed on
>>> the spreadsheet.
>>>  * The ARTIO headers in yt-3.0 will be licensed under the LGPL, which
>>> we will note in a file at the top level.
>>>  * Kacper has moved in the main yt repository all of the external
>>> dependencies to an extern/ directory.  This also isolates some of the
>>> LGPL code.
>>>  * The rockstar wrapping code will need to be removed before
>>> relicensing can occur.  (I believe -- Rockstar itself is GPL.)  I have
>>> created a fork of Rockstar's source code that will bundle the yt
>>> interface.
>>>  * Everyone has consented to the shared copyright model, similar to
>>> what IPython does.
>>>  * One or two additional people have contributed since my initial
>>> spreadsheet was made, and I am tracking them down presently.
>>>
>>> Unless I hear any objections, I will issue pull requests to both 2.x
>>> and 3.0 that:
>>>
>>>  * Remove the Rockstar wrapping code
>>>  * Removes the GPLv3 license, replacing with 3-clause BSD
>>>  * Removes all attributions that include affiliations and replaces
>>> with a collective copyright header, similar to what IPython does:
>>> http://ipython.org/ipython-doc/dev/about/license_and_copyright.html  I
>>> am still not sure if we want authors listed in individual files, but I
>>> am certain we do not want the full author/affiliation/years/copyright.
>>>  * Include the copyright information at the top level of the source repository
>>>  * Notes that the ExtJS code itself is GPL, but we do not "link"
>>> against it directly in the code shipped in the yt source distribution,
>>> instead using a <script> tag to include it in an HTML file.
>>>
>>> I will also update the website and documentation to note the change in
>>> license and write a blog post summarizing the discussion.  We may also
>>> want to issue a point release just for the change in license, although
>>> I would prefer to issue a 2.6 at some point with the license change.
>>>
>>> I'm going to begin preparing this potentially as early as today, but
>>> the pull request will not need to be accepted immediately; it can
>>> wait, and perhaps even be rejected depending on discussion.
>>>
>>> Best wishes,
>>>
>>> Matt