Re: License terms for ‘python-daemon’ code (was: Python3 implementation)

[stephan schultchen]

What the hack?

the distribution i have (1.5.6), is released under the PSF-2 license.

this can be found at the head of every source code file:

# daemon/daemon.py
# Part of python-daemon, an implementation of PEP 3143.
#
# Copyright © 2008–2010 Ben Finney <ben+python at benfinney.id.au>
# Copyright © 2007–2008 Robert Niederreiter, Jens Klein
# Copyright © 2004–2005 Chad J. Schroeder
# Copyright © 2003 Clark Evans
# Copyright © 2002 Noah Spurrier
# Copyright © 2001 Jürgen Hermann
#
# This is free software: you may copy, modify, and/or distribute this work
# under the terms of the Python Software Foundation License, version 2 or
# later as published by the Python Software Foundation.
# No warranty expressed or implied. See the file LICENSE.PSF-2 for details.

And there are two other license files in the root directory of the source
code:

LICENSE.GPL-2
LICENSE.PSF-2

no sign of ASF-2. From my point of view, the code i have, was never
released under a appropriate license.

cheers

stephan



2014-08-01 2:05 GMT+02:00 Ben Finney <ben+python at benfinney.id.au>:

> On 31-Jul-2014, stephan schultchen wrote:
>
> > > Your work is clearly based on the ‘python-daemon’ code, and that's
> > > good. But I am finding it difficult to follow:
> > >
> > well, i tried to only stick to the pep, and not to do a refactor of
> > the python-daemon implementation. but yes, i copied some parts, for
> > example the doc string, because i was to lazy to type my own version
> > of it.
>
> That's great, and the code grants you explicit permission (via the
> ASF-2 license) to copy and redistribute it, in whole or in part. The
> permission is conditional on you also doing these:
>
> * give all recipients a copy of the ASF-2 license text (as in the
>   ‘python-daemon’ code base);
>
> * make clear in the work that it is derived from ‘python-daemon’;
>
> * retain the copyright notices for the parts of the work you include.
>
> So, you have full permission to copy the parts as you have done, but
> you need to follow the ASF-2 copyright license terms when you do.
>
> > to be honest, creating a daemon is no rocket science, the steps to
> > do this are well defined, so there are not many ways to implement
> > one.
>
> Regardless, you only have permission to copy parts of a work for this
> purpose by following the license terms.
>
> > nevertheless, my intend was to publish pep3143daemon later under the
> > MIT Licence, and i will also add a reference to the python-daemon
> > package, with thanksgiving to the work that was done by all the
> > other guys.
>
> Changing the license terms isn't permitted, the ASF-2 license applies
> to the parts of the work you've got from ‘python-daemon’. You're free
> to make a derived work, as you've done, under those terms :-)
>
> Thanks for understanding and respecting the copyright of the authors.
>
> --
>  \         “I call him Governor Bush because that's the only political |
>   `\              office he's ever held legally.” —George Carlin, 2008 |
> _o__)                                                                  |
> Ben Finney <ben at benfinney.id.au>
>
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