From: Mikolaj Kucharski Subject: Re: NEW: astro/py-ephem To: Stuart Henderson Cc: ports@openbsd.org Date: Wed, 17 Sep 2025 13:16:56 +0000 On Mon, Jun 09, 2025 at 06:38:26PM +0000, Mikolaj Kucharski wrote: > On Mon, Jun 09, 2025 at 10:37:32AM +0100, Stuart Henderson wrote: > > On 2025/06/09 09:21, Mikolaj Kucharski wrote: > > > Hi. > > > > > > I needed to get info about sunrise and sunset. I am aware of py3-astral > > > but wanted to compare both, ephem and astral. > > > > Given the warnings on https://rhodesmill.org/pyephem/, I'm wondering > > if this is really a good idea to import unless there's some other > > software intended to be ported that needs it? Skyfield (largely > > from the same author and more actively developed) generally seems > > a better idea, for sunrise and sunset calcs see e.g. > > https://techoverflow.net/2022/06/19/how-to-compute-sunrise-sunset-in-python-using-skyfield/ > > > > If it is still worthwhile, here's a slightly tweaked version. > > > > Hm.. Right. I looked into skyfield and your other ports. Very useful, > but skyfield and the DSP file(s) and the dependency tree are much bigger > than pyephem. Not sure. Disk is cheap these days, so not a big issue. > I've also noticed that execution of skyfield is slower than pyephem, > but also not a big issue. I am okay to be a maintainer for pyephem, > if that helps. I think I need time to decided what I want and iterate > over the software a bit. > Anything which would allow me to show or calculate sunrise and sunset on OpenBSD would be useful for me. Could you import kosmorro and related dependencies into ports tree, Stuart? I tested it at the time, when you send it and it worked well. -- Regards, Mikolaj