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"We'd hope that this will get enough of our users exposed to and interested in Blender so they will be inclined to work on Blender plugins that would talk to St

"We'd hope that this will get enough of our users exposed to and interested in Blender so they will be inclined to work on Blender plugins that would talk to Steam's backend services such as Workshop." doesn't sound like a modification to you?

Dylan16807 13y ago
'make a plugin for' doesn't sound like a modification of the original, no. And even if it was, I don't see why BSD changes wouldn't get shared back here.
- TheZenPsycho 13y ago
  Doesn't sound like, but (probably) is. http://www.gnu.org/licenses/gpl-faq.html http://www.gnu.org/licenses/gpl-faq.html "If a program released under the GPL uses plug-ins, what are the requirements for the licenses of a plug-in? (#GPLAndPlugins) It depends on how the program invokes its plug-ins. If the program uses fork and exec to invoke plug-ins, then the plug-ins are separate programs, so the license for the main program makes no requirements for them. If the program dynamically links plug-ins, and they make function calls to each other and share data structures, we believe they form a single program, which must be treated as an extension of both the main program and the plug-ins. This means the plug-ins must be released under the GPL or a GPL-compatible free software license, and that the terms of the GPL must be followed when those plug-ins are distributed. If the program dynamically links plug-ins, but the communication between them is limited to invoking the ‘main’ function of the plug-in with some options and waiting for it to return, that is a borderline case." http://www.blender.org/education-help/faq/gpl-for-artists/#c6711 http://www.blender.org/education-help/faq/gpl-for-artists/#c... "Can I sell plug-ins for Blender? Yes you can, but only if you provide the plug-in and the sources to your clients under the GNU GPL license. The client then benefits from all rights the GPL offers; free to use it, or even distribute it when they wish. Only if the plug-in doesn't work within Blender as "acting as a single program" (like using fork or pipe; by only transferring data and not using each others program code) you have the full freedom to license the plug-in as you wish."
  - lanaius 13y ago
    If Blender is GPL but the plug-in interface is Python and thus only GPL-Compatible, why can't the plugin be GPL-Compatible and thus not require providing sources?
    - TheZenPsycho 13y ago
      Because the critical point isn't the use of python. The critical point is that your plugin code is running in the same O/S process as the parent application.
      - TheZenPsycho 13y ago
        Also I don't think that's how "GPL Compatible" works.
  - Dylan16807 13y ago
    What process the code runs in is a complete distraction, I'm going to ignore that part. It has nothing at all to do with linking or derivation. Anyway, we're talking about plugins that upload files to steam with a simple interface, so they could easily be independent code, sharing no internal data structures.
    - TheZenPsycho 13y ago
      I'm not ad-libbing, you're arbitrarily deciding to ignore the GPL, with no justification. It's not a distraction, it's the whole point.

Dylan16807 13y ago

'make a plugin for' doesn't sound like a modification of the original, no. And even if it was, I don't see why BSD changes wouldn't get shared back here.

TheZenPsycho 13y ago
Doesn't sound like, but (probably) is. http://www.gnu.org/licenses/gpl-faq.html http://www.gnu.org/licenses/gpl-faq.html "If a program released under the GPL uses plug-ins, what are the requirements for the licenses of a plug-in? (#GPLAndPlugins) It depends on how the program invokes its plug-ins. If the program uses fork and exec to invoke plug-ins, then the plug-ins are separate programs, so the license for the main program makes no requirements for them. If the program dynamically links plug-ins, and they make function calls to each other and share data structures, we believe they form a single program, which must be treated as an extension of both the main program and the plug-ins. This means the plug-ins must be released under the GPL or a GPL-compatible free software license, and that the terms of the GPL must be followed when those plug-ins are distributed. If the program dynamically links plug-ins, but the communication between them is limited to invoking the ‘main’ function of the plug-in with some options and waiting for it to return, that is a borderline case." http://www.blender.org/education-help/faq/gpl-for-artists/#c6711 http://www.blender.org/education-help/faq/gpl-for-artists/#c... "Can I sell plug-ins for Blender? Yes you can, but only if you provide the plug-in and the sources to your clients under the GNU GPL license. The client then benefits from all rights the GPL offers; free to use it, or even distribute it when they wish. Only if the plug-in doesn't work within Blender as "acting as a single program" (like using fork or pipe; by only transferring data and not using each others program code) you have the full freedom to license the plug-in as you wish."
- lanaius 13y ago
  If Blender is GPL but the plug-in interface is Python and thus only GPL-Compatible, why can't the plugin be GPL-Compatible and thus not require providing sources?
  - TheZenPsycho 13y ago
    Because the critical point isn't the use of python. The critical point is that your plugin code is running in the same O/S process as the parent application.
    - TheZenPsycho 13y ago
      Also I don't think that's how "GPL Compatible" works.
- Dylan16807 13y ago
  What process the code runs in is a complete distraction, I'm going to ignore that part. It has nothing at all to do with linking or derivation. Anyway, we're talking about plugins that upload files to steam with a simple interface, so they could easily be independent code, sharing no internal data structures.
  - TheZenPsycho 13y ago
    I'm not ad-libbing, you're arbitrarily deciding to ignore the GPL, with no justification. It's not a distraction, it's the whole point.