[Twisted-Python] Twisted v21.2.0 breaks Crossbar.io

[Craig Rodrigues]

On Tue, Mar 2, 2021 at 12:12 PM Tobias Oberstein <tobias.oberstein at gmail.com>
wrote:

>
> this fix broke our workaround for the bug now fixed;)
>
>
I had to read that sentence a few times before I fully understood it, and
my mind did a backflip. :)

Is there a quick and dirty way to run Crossbar's CI against a pre-release
version of Twisted?

For Buildbot (a project that I work with a lot), I just tweaked their CI
like this to run against a branch of Twisted:
https://github.com/buildbot/buildbot/pull/5739
When those tests failed, that helped give some info, and helped me isolate
one thing to fix in Twisted before doing the release.
Povilas Kanapickas and Pierre Tardy from the Buildbot project were very
helpful with this.

I did not run the test suite for Matrix Synapse, but Richard van der Hoff
was very helpful in terms of giving feedback.

Twisted's internal test suite is quite good and comprehensive, but it
doesn't catch everything.
I find it useful to do quick tests against existing projects where possible.

Twisted has been around for around 20 years, and is used *all over the
place*!
--
Craig
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