Python 2 reached upstream end-of-life in January 2020. In Fedora Rawhide, it's now provided from the compat package `python27`.
Packages that only use Python 2 at build time, like seamonkey, had a general exception to keep using it in Fedora 31. Now, the dependency should be removed.
I assume SeaMonkey is in a similar situation as the packages tracked here:
- Thunderbird BZ: https://bugzilla.redhat.com/show_bug.cgi?id=1807555
- Firefox BZ: https://bugzilla.redhat.com/show_bug.cgi?id=1805231
- IceCat exception request: https://pagure.io/fesco/issue/2346
If it's possible that the dependency won't be removed in Fedora 33. Please request a FESCo exception. You can refer to the exception for mercurial as an example: https://pagure.io/fesco/issue/2243
It's good to mention:
- What is the reason for the Python 2 build dependency?
- What are the upstream/community plans/timelines regarding Python 2?
- What is the guidance for porting the build to Python 3? (Assuming that there is someone who generally knows how to port to Python 3, but doesn't know anything about the particular package, what are the next steps to take?)
If you need anything from us, or something is unclear, please mention it here.
SeaMonkey is based on Firefox code, hence the answers are the same as:
Besides that, SeaMonkey is based on the "old" Firefox code (versions between 56<-->60 with some newer stuff backported). It looks likely that we will have a noticeable delay after the FF finished its switch to python3 (a time for non-trivial backport would be needed).