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From Gino Bustelo <>
Subject Re: Toree's One Release Constraint
Date Fri, 20 May 2016 19:56:49 GMT

As part of building, we put together a more comprehensive LICENSE and
NOTICE file that includes the extra information under
The installer of the pip package prints out the LGPL disclaimer during
installation. We could certainly also place a more prominent statement in
the README. The website is still under development and we can also provide
a disclaimer there. I take any other recommendations.

On Fri, May 20, 2016 at 2:37 PM, Shane Curcuru <> wrote:

> Gino Bustelo wrote on 5/19/16 12:30 PM:
> ...
> > In Toree we have an LGPL dependency that is not a simple rip an replace.
> > The library is JeroMQ and it is a JVM binding to 0MQ. This is THE
> protocol
> > layer used in Jupyter between clients and kernels (Toree serves as a
> > Jupyter kernel). Over the past months, we've worked with the JeroMQ
> > community to help move along a license change to MPL v2 (
> > The progress showed huge
> > promised at the start and we are down to 3 committers out of 31 who have
> > not responded. The JeroMQ community is moving towards code remediation.
> If LGPL code is included either in your source tree or in your existing
> release(s), why isn't that reflected in a top-level LICENSE and NOTICE
> file?
> From reading the homepage of the website and quickly browsing the source
> tree, the only reference is in DISCLAIMER, which is awfully small.  It
> wasn't obvious to me besides that tiny bit that you include some LGPL code.
> Or am I missing how this dependency works?
> Yes, I agree that incubation is a process, and there is great progress
> both here and in the other project towards an Apache-license-harmonious
> outcome.  But we need to be very careful that end-users have a
> crystal-clear understanding that there is copyleft style licenses in
> releases or dependencies of anything at Apache.
> - Shane
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