Tuesday 13 October 2020

Ubuntu Focal update of broken Calibre package

Dear all,

(please Cc)

I am the Debian maintainer of Calibre, and unfortunately it seems that
for Focal Ubuntu has pulled a preliminary version of Calibre, which is
**seriously** broken and unusable, not even starting in most cases.

We were forced by the Python3 transition to temporarily ship pre-release
versions of Calibre. In particular, Ubuntu Focal ships
4.99.4+dfsg+really4.12.0-1build1
which is version 4.12 with experimental Python3 patches on top of it.
This worked for a short time being until Calibre 5 was released with
proper Python3 support.

Due to this unfortunate squeeze in release timing, Ubuntu Focal users
now have a seriously broken Calibre, and upstream is swamped with bug
reports.

I would strongly suggest and support, and help preparing, an update to
Focal based on the current version in Debian/testing, 5.2.0+dfsg-1,
which has been out since quite some time and field-tested with Python3
in various environments, due to upstream having switched to Py3, too.

Is the above (update to 5.2.0) possible in Ubuntu Focal, and if yes,
what kind if steps are necessary?

Note that I am not an Ubuntu developers, but Debian developer and
maintainer of Calibre.

Thanks and all the best

Norbert

--
PREINING Norbert https://www.preining.info
Accelia Inc. + IFMGA ProGuide + TU Wien + JAIST + TeX Live + Debian Dev
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