[Python-legal-sig] Include BSD code into Python?

[Jesse Noller]

Maintaining the original copyright in python core is fine. Lots of files have that, and BSD headers

> On Sep 24, 2013, at 6:29 PM, Ben Finney <ben+python at benfinney.id.au> wrote:
> 
> Victor Stinner <victor.stinner at gmail.com> writes:
> 
>> Can you confirm me that this BSD 3-clauses license is compatible with
>> the Python license?
> 
> Yes, it is compatible. This means that it is feasible to derive a work
> from both the current Python and the work you're referring to, and
> distribute the result as free software.
> 
> Of course, all the terms of all the licenses must be simultaneously
> satisfied when distributing that derived work.
> 
>> I'm using libcfu hash table in my new tracemalloc module (PEP 454):
>> http://hg.python.org/features/tracemalloc/file/ac693c811b1d/Modules/_tracemalloc.c#l1
>> 
>> I heavily modified the code of the hash table, but I would like to
>> keep the original author and the copyright notice.
> 
> It's good that you would like that, because that's one of the terms you
> need to satisfy in order to have license to distribute the work :-)
> 
>> I contacted the author (Don Owens aka regexguy):
>> 
>> me>> I would like to know if the BSD 3-clause license if
>> me>> compatible with
>> me>> the Python license
>> 
>> don> I believe so.  It basically allows you to use the code any way you want,
>> don> as long as you include the copyright notice and attribution in the code.
> 
> Yes, where “the code” is any form of the code: i.e., distributing the
> work in source form or binary form or any other form. To redistribute
> the work under that license, the work's license text would need to be
> included as part of the distributed derived work.
> 
> In practice, that would mean CPython would need to incude the ‘libcfu’
> copyright holder's name and the work's license text in every copy
> distributed thereafter, or there would be no license to distribute the
> resulting work.
> 
> Whether that's acceptable to the PSF is a separate matter.
> 
> -- 
> \           “Kissing a smoker is like licking an ashtray.” —anonymous |
>  `\                                                                   |
> _o__)                                                                  |
> Ben Finney
> 
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