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From:
Stuart Henderson <stu@spacehopper.org>
Subject:
Re: NEW: astro/py-ephem
To:
Mikolaj Kucharski <mikolaj@kucharski.name>
Cc:
<ports@openbsd.org>
Date:
Wed, 17 Sep 2025 15:03:52 +0100

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if I get an ok, sure

-- 
  Sent from a phone, apologies for poor formatting.

On 17 September 2025 14:17:13 Mikolaj Kucharski <mikolaj@kucharski.name> wrote:

> 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