[IronPython] Ironpython and Berkeley License

Jimmy Schementi jimmy at schementi.com
Thu Mar 3 17:46:12 CET 2011


On Thu, Mar 3, 2011 at 11:27 AM, Markus Schaber
<m.schaber at 3s-software.com> wrote:
> Hi, Jimmy,
>
> We use IronPython 2.6 which is not covered by the Apache license, but still by some Microsoftish license.

The Microsoftish-license is the Microsoft Public License:
http://www.opensource.org/licenses/ms-pl

> However, we want to redistribute the python part of the python standard library (which is distributed with the IronPython 2.6.2 binary installer for windows as well), so our users can use the full power of all those nice .py modules, and those are covered by a LICENSE.txt file which contains a concatenation of several licenses that also cover the 3rd party libraries implemented in C delivered with cPython.
>
> As it seems, however, the packager of the IronPython installer simply copied the LICENSE.txt without removing those licenses that don't apply to the pure python part of the license.

Because IronPython redistributes the Python standard library, it is
kept in-tact, including any license files. If the Python standard
library's LICENSE.txt is unclear as to what parts of Python are under
what license (which IMO it is), then that's feedback we can take to
the CPython team. Looks like they have more informative license
information here: http://docs.python.org/license.html

But it sounds like if you wanted to embed CPython in your application
you would not be OK with doing that because of the license?

> Best regards
>
> Markus Schaber
>
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> -----Ursprüngliche Nachricht-----
> Von: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] Im Auftrag von Jimmy Schementi
> Gesendet: Donnerstag, 3. März 2011 17:08
> An: Discussion of IronPython
> Betreff: Re: [IronPython] Ironpython and Berkeley License
>
> That license applies to the CPython standard library. The Apache 2 License covers everything in IronPython*.dll.
>
> ~Jimmy
>
> On Thu, Mar 3, 2011 at 10:23 AM, Markus Schaber <m.schaber at 3s-software.com> wrote:
>> Hi,
>>
>> The binary installer of IronPython 2.6 contains the lib subdirectory,
>> which seems to be a rather 1:1 copy of the cPython standard library.
>>
>> This standard library contains a LICENSE.txt file that, besides
>> others, contains the Berkeley Database License:
>>
>> --- snip ---
>> This copy of Python includes a copy of Berkeley DB, which is licensed
>> under the following terms:
>> [...]
>>
>>  * 3. Redistributions in any form must be accompanied by information
>> on
>>  *    how to obtain complete source code for the DB software and any
>>  *    accompanying software that uses the DB software.  The source
>> code
>>  *    must either be included in the distribution or be available for
>> no
>>  *    more than the cost of distribution plus a nominal fee, and must
>> be
>>  *    freely redistributable under reasonable conditions. [...]
>> --- snap ---
>>
>> This seems to be a GPL-like viral license, which would be somewhat
>> harassing for our current project.
>>
>> However, it seems that the bsddb module is not included in IronPython
>> (because it is not compatible with IronPython at the moment).
>>
>> Is there someone who can confirm that the Berkeley DB and the code
>> covered by that license is currently not part of IronPython?
>>
>> Best regards
>>
>> Markus Schaber
>>
>> ___________________________
>> We software Automation.
>>
>> 3S-Smart Software Solutions GmbH
>> Markus Schaber | Developer
>> Memminger Str. 151 | 87439 Kempten | Germany | Tel. +49-831-54031-0 |
>> Fax +49-831-54031-50
>>
>> Email: m.schaber at 3s-software.com | Web: http://www.3s-software.com
>> CoDeSys internet forum: http://forum.3s-software.com Download CoDeSys
>> sample projects:
>> http://www.3s-software.com/index.shtml?sample_projects
>>
>> Managing Directors: Dipl.Inf. Dieter Hess, Dipl.Inf. Manfred Werner |
>> Trade register: Kempten HRB 6186 | Tax ID No.: DE 167014915
>>
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