[sakai2-tcc] [Building Sakai] [Management] Gradebook Situation

[Noah Botimer]

I should also be clear, here. Though we may be able to distribute the library under the exception with the Sakai community release under ECLv2, this would be a burrowed problem for our commercial partners. They could relicense the whole of Sakai except for this little bit, which is included contingent on the larger work's license.

This would be severe overhead, likely to force partners to remove and distribute GB2 separately. As my colleague Matt Jones just pointed out, this is a place where we would get some mileage out of a solid packaging/installation mechanism. Maybe there is enough value in GB2 to drive investment in such overdue infrastructure.

Thanks,
-Noah

On Jul 28, 2010, at 12:07 PM, Noah Botimer wrote:

> ...Fixing the TCC address on this thread.
> 
> Thanks,
> -Noah
> 
> On Jul 28, 2010, at 12:05 PM, Noah Botimer wrote:
> 
>> GB2 uses Ext JS/Ext GWT for the spreadsheet/tree views. These are GPLv3. There is a "FLOSS Exception" that applies for ECLv2, which can exempt an "Application" from the same-license bits of GPL.
>> 
>> However, this is a unique case and I don't know that we've gotten any assessment from someone qualified. There are also very tricky details around "Extensions" (modifications, add-ons), where distribution of the main library is forbidden. As a last detail, the exception applies to given versions "or later, where the exception notice is present". As a technicality, the legal entity has changed names (to Sencha, Inc.), so the exception should be vetted for the "or later" part.
>> 
>> There is effectively no suitable replacement at this time, as I understand it. Ext JS is quite nice and has a very specific object/inheritance model, giving good results and pretty tight binding. I'm less familiar with Ext GWT, but it effectively provides the Ext JS library to GWT apps, where I believe the binding is even a bit tighter.
>> 
>> As I understand, the spreadsheet/tree interface of GB2 is the primary goal and primary body of work -- porting would essentially be a rewrite and a different project.
>> 
>> Thanks,
>> -Noah
>> 
>> 
>> http://www.sencha.com/products/floss-exception.php
>> 
>> 
>> On Jul 28, 2010, at 10:27 AM, Carl Hall wrote:
>> 
>>> What library is it?  Maybe we could work out some dual licensing or help find a replacement.
>>> 
>>> 
>>> On Tue, Jul 27, 2010 at 9:16 AM, Mark Norton <markjnorton at earthlink.net> wrote:
>>>  > Gradebook 2 includes an indispensable library which is licensed under GPL
>>> 
>>> Well, that was a pretty silly thing to do.  We've managed to steer clear
>>> of GPL code for the entire lifetime of Sakai (with the possible
>>> exception of MySQL).  That, at a minimum, needs to be fixed, IMO.
>>> 
>>> - Mark Norton
>>> 
>>> Clay Fenlason wrote:
>>> > We started to talk about the state of various gradebook tools at the
>>> > Project Coordination meetings in Denver, and some discussion between
>>> > Kirk, Karen and I has followed since, so an update is in order.  I
>>> > wanted also to communicate the information more widely and make sure
>>> > the rest of the community was aware.
>>> >
>>> > You can find an overview of the gradebook situation in Confluence [1],
>>> > where the information will be revised as the situation develops.
>>> > Questions and comments welcome, though you'll notice we don't have
>>> > answers to every question yet.
>>> >
>>> > Please note in particular the next step planned around 2.8. In
>>> > mid-August UCDavis and IU are planning to come together to agree on
>>> > the final details of a common data model, and it's expected that this
>>> > work (including conversion scripts) could be completed by the
>>> > projected code freeze in mid-September
>>> >
>>> > ~Clay
>>> >
>>> > [1] http://confluence.sakaiproject.org//x/_hIhB
> 
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