Public bug reported:
Please sync empy 4.2.1-1 (universe) from Debian experimental (main)
This is a major version upgrade of the EmPy templating system (3.x → 4.x).
I'm the maintainer of the package in Debian
== Rationale ==
- This update to version 4.x has been in experimental waiting the patch for
the ros-bloom package before being migrated to unstable. ros-bloom is
not in Ubuntu so transition should have happened a while ago.
- The current version 3.3.4 dates from 2019 and is unmaintained upstream
- Version 4.2.1 fixes a Python 3.14 deprecation (codecs.open), which is
relevant as Python 3.13 is in resolute and future Python versions will
remove this API
- The 4.x series has been in active development since late 2023 with
significant improvements in functionality and maintainability
== Reverse Dependencies ==
- python3-colcon-core: only direct reverse dependency. Tested
successfully with empy 4.2.1
$ seeded-in-ubuntu empy
empy's binaries are not seeded.
== PPA Testing ==
PPA build for empy + ros2-colcon-core
- https://launchpad.net/~j-rivero/+archive/ubuntu/resolute-testing/+packages
- https://code.launchpad.net/~j-rivero/+recipe/python3-empy-daily
== Local esting ==
Full test logs:
https://gist.github.com/j-rivero/aa838dc93b9b6ab194df0a6358cf4ae3
Tested in ubuntu:resolute (Python 3.13.12) Docker container:
Builds: YES - dpkg-buildpackage succeeds from debian/experimental
packaging branch at https://code.launchpad.net/ubuntu/+source/empy
Installs: YES - clean install on fresh ubuntu:resolute works,
import em and basic templating functionality verified
Upgrades: YES - upgrade from 3.3.4-2build1 to 4.2.1-1 works cleanly,
functionality verified after upgrade
Reverse dependencies: python3-colcon-core (0.20.0-1) works correctly
after upgrading to empy 4.2.1 - colcon version-check and colcon list
both function normally
== Upstream Changelog (key changes) ==
4.2.1 (2026-02-08):
- codecs.open is deprecated as of Python 3.14; use open instead in binary
mode
- Better proxy and module finder management
- Uniform attachment and detachment of plugins
- Add SimpleToken token factory
4.2 (2024-08-25):
- Add module support
- Add support for disabling output and switch markup
- Support repeated curly braces with functional expressions
- Add backward-compatible Case abstraction for match markup
4.1 (2024-03-24):
- Add support for extension markup
- Add @[match] control support
- Add interpreter cores for overriding interpreter behavior
4.0 (2023-11-29):
- Major revamp and modernization
- Relicensed to BSD
- Full Unicode support, inline comments, control markup
- Rewritten documentation
== Debian changelog ==
Changelog entries since current resolute version 3.3.4-2build1:
empy (4.2.1-1) experimental; urgency=medium
* Fix autopkgtest
* New upstream version 4.2.1
-- Jose Luis Rivero <[email protected]> Thu, 12 Feb 2026
19:59:29 +0000
empy (4.2-2) experimental; urgency=medium
* Bump standards version
* Do not output -x on stderr but stdout
-- Jose Luis Rivero <[email protected]> Fri, 06 Feb 2026
11:58:25 +0000
empy (4.2-1) experimental; urgency=medium
[ Jose Luis Rivero ]
* Move package under the scope of python-team
* New upstream version 4.2
* Bump standard to 4.7.0
* Remove python2 tests
* Update sample files in d/
* Update d/control: upstream has correct shebang
* Update d/copyright
* Remove all empy3 and python2 packages
* Remove empy3 exectuable and support em.py binary
* Update d/docs
* Rework autopkgtest
-- Jose Luis Rivero <[email protected]> Wed, 27 Nov 2024
12:55:27 +0000
** Affects: empy (Ubuntu)
Importance: Undecided
Status: New
** Tags: resolute
** Summary changed:
- Sync empy 4.2.1-1 (universe) from Debian experimental (main)
+ [FFe] Sync empy 4.2.1-1 (universe) from Debian experimental (main)
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https://bugs.launchpad.net/bugs/2142692
Title:
[FFe] Sync empy 4.2.1-1 (universe) from Debian experimental (main)
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