From: Johannes Thyssen Tishman <jtt@openbsd.org>
Subject: Re: [update] devel/py-icalendar 4.0.4 -> 6.3.1
To: ports@openbsd.org
Cc: Joerg Jung <jung@openbsd.org>
Date: Fri, 26 Sep 2025 18:20:50 +0000

2025-09-26T18:18:31+0100 Stuart Henderson <stu@spacehopper.org>:
> On 2025/09/26 16:06, Johannes Thyssen Tishman wrote:
> > Please find below an update for devel/py-icalendar to version 6.3.1.
> > 
> > This update is needed to update productivity/py-caldav to version 2.0.1
> > which I'll send in a bit as well. All tests are passing.
> > 
> > Consumers build fine:
> > 	misc/remind-caldav
> > 	productivity/gtg
> > 	productivity/khal
> > 	productivity/py-caldav
> > 	productivity/topydo
> > 
> > I noticed some issues in productivity/{gtg,khal}, but they are
> > unrelated:
> > 
> > productivity/gtg:
> > 
> > 	Runtime broken due to "ModuleNotFoundError: No module named 'imp'"
> > 
> > productivity/khal:
> > 
> > 	Some tests fail due to:
> > 	"AttributeError: 'zoneinfo.ZoneInfo' object has no attribute 'localize'"
> > 
> > 	Updating to the latest version should fix this:
> > 	https://github.com/pimutils/khal/issues/1411
> 
> Reviewing changelog, there's a chance of some issues from this breaking
> change that would likely only show up at runtime,
> 
>     "If you rely on icalendar providing timezones from pytz, you can add
>     one line to your code to get the behavior of versions below 6:
> 
>     import icalendar
>     icalendar.use_pytz()"
> 
> but I think this was done long enough ago that there are likely to be
> fixes available if anything does show up. I'm basically OK with the
> update. One small issue, pytz is no longer needed as a dependency so
> can be dropped.

Thanks sthen@, nice catch. Should we wait for jung@ or can this go in?