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I found a nice Python class on a website devoted to nice Python gists - and on its web page (but not in the source code) it has the author's name and says it is PSF licensed - which wikipedia says is BSD-style and even allows for proprietization.

I fixed a bug and added a feature. But it is >90% the same code.

What I want to do is include it in a repo where all the code is covered by Apache 2.0 license, and where all the code has it's own license/copyright header - which claims copyright for the company owning the repo and names Apache 2.0 as the license

I certainly put a header at the top of it naming the contributor, naming the PSF license, and including the URL where I found it.

Can I/Do I also put our company license/copyright header (described above) on it?

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  • 1. For this topic, probably opensource.org/license/python-2-0 is a better reference source than Wikipedia. 2. Could you link to the the actual PSF license text that applies to your case?
    – Brandin
    Feb 26 at 7:15
  • @Brandin - TY, done
    – davidbak
    Feb 26 at 16:06

1 Answer 1

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Including the file in an otherwise Apache-licensed project is fine. For clarity sake, if there is a central location that states that all source code is under the Apache 2.0 license, I would recommend that you add something like "unless noted otherwise" there.

What you cannot do is just blindly slap a copyright notice and Apache license header on a third-party file. But you can license your changes to the file under the Apache license and add the license/copyright header for that reason.

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  • To license the changes to the file is it sufficient to say something about "changes relative to the source at the such-and-such URL" or do I have to mark/notate the lines somehow?
    – davidbak
    Feb 26 at 16:07
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    @davidbak, it is even sufficient to state something like "adapted from" where you have the link to the original project. Feb 27 at 7:46

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