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alex / pyvcs

A pure python abstraction layer of multiple VCS, very lightweight.
BSD 3-Clause "New" or "Revised" License
128 stars 10 forks source link

Dulwich license compatibility (GPL) #21

Open tjohns opened 10 years ago

tjohns commented 10 years ago

I hate to bring this up, but I noticed you're linking against Dulwich, which is licensed under GPLv2+. This would mean that pyvcs would need to be licensed under GPL as well.

Which is unfortunate, because I'd prefer a more liberal license myself. The Dulwich maintainer is trying to get that project re-licensed under Apache 2, though it looks like he hasn't heard back from everyone necessary to do that yet.

Just thought I'd mention it, since license compliance is important.

jelmer commented 10 years ago

Dulwich being GPL doesn't mean pyvcs needs to be GPL licensed as well, just that it needs to have a license that is compatible (which the BSD license is).

Note that bzrlib and hg are both also GPL.

tony commented 10 years ago

@jelmer :

Dulwich being GPL doesn't mean pyvcs needs to be GPL licensed as well, just that it needs to have a license that is compatible (which the BSD license is).

Wouldn't linking / importing GPL code trigger a derivative? Doesn't that mean pyvcs is now GPL?

jelmer commented 10 years ago

On Sat, Nov 08, 2014 at 11:13:19AM -0800, Tony Narlock wrote:

@jelmer :

Dulwich being GPL doesn't mean pyvcs needs to be GPL licensed as well, just that it needs to have a license that is compatible (which the BSD license is).

Wouldn't linking / importing GPL code trigger a derivative? Doesn't that mean pyvcs is now GPL? Sortof.

It doesn't make the pyvcs GPL per se, but in practice you can only use it under the GPL (or a license compatible with the GPL).

(IANAL)

Cheers,

Jelmer

jelmer commented 8 years ago

FWIW Dulwich has been relicensed to dual Apache version 2.0 / GNU GPL v2 or later. This should make its license compatible with pyvcs.