Hi Antoine,
OSL 3.0 distinguishes carefully between the original software ("Original Work"
= "PrestaShop") and other software. This is why I call it friendlier than the
GPL.
Reciprocation (i.e., copyleft) is required for that Original Work and for its
Derivative Works. Copyleft and source code disclosure is not required for
independent software, even if that software links to or otherwise indirectly
affects the functioning of the Original Work. You described that independent
software as "an optional module, that users would download and install
afterward." That is neither the Original Work nor a Derivative Work.
John Cowan described that independent software correctly: "You can release it
under whatever license you please, but a program released only with obfuscated
source will never be an open source program, because of the Open Source
Definition clause 2."
Best, /Larry
Lawrence Rosen
Rosenlaw ( <http://www.rosenlaw.com/> www.rosenlaw.com)
LinkedIn: LawrenceRosen
3001 King Ranch Rd., Ukiah, CA 95482
Cell: 707-478-8932
This email is licensed under <https://creativecommons.org/licenses/by/4.0/>
CC-BY-4.0. Please copy freely.
From: Antoine Thomas <[email protected]>
Sent: Wednesday, November 21, 2018 8:36 AM
To: [email protected]
Cc: [email protected]; Marine Dizol <[email protected]>
Subject: Re: [License-discuss] OSL and obfuscated code
So maybe we should wait for Larry Rosen to read and answer?
Precision: the module itself would not be distributed with the PrestaShop
installer. It would be available as an optional module, that users would
download and install afterward.
Of course, if the module is obfuscated, it is not open source. However, would
it be possible to install it and run it with the core of a software distributed
under OSL?
This is an interesting question regarding the "external deployment" clause: it
seems that a visitor of a website built with PrestaShop can ask for the source
code. Should we consider that as a way of distribution, and then, any module or
theme used to build a website with PrestaShop should also be available under an
OSL compatible license?
If yes, this is not possible to add an obfuscated extension/module to a running
OSL software. What do you think?
The point here is not only the distribution/download, but also the execution of
the software.
<https://www.prestashop.com/?utm_source=signature&utm_medium=e-mail&utm_campaign=emails-signatures>
Antoine Thomas aka ttoine
Developer Advocate
t: +33 (0)6 63 13 79 06
<mailto:[email protected]> [email protected]
On Wed, 21 Nov 2018 at 17:14, Smith, McCoy <[email protected]
<mailto:[email protected]> > wrote:
On Wed, Nov 21, 2018 at 10:54 AM Antoine Thomas <[email protected]
<mailto:[email protected]> > wrote:
Dear Sir or Madam,
I’m reaching out as Open-source Advocate for PrestaShop which is the designer
and editor of an open source software solution, released under a free license
(Open Software Licence OSL-3.0), allowing its users to create e-commerce
websites in a quick and simplified way.
Dear Sir or Madam,
I’m reaching out as Open-source Advocate for PrestaShop which is the designer
and editor of an open source software solution, released under a free license
(Open Software Licence OSL-3.0), allowing its users to create e-commerce
websites in a quick and simplified way.
If you are looking for advice on using the OSL, you probably should consider
retaining Larry Rosen to give you that advice, as he is the author of that
license, and a member of this mailing list, and a lawyer.
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