[Bug 2083908] Re: [SRU] pymodbus 3.6.9-1 from 24.10 (to 24.04)

[Talha Can Havadar]

Hey all,

Tests are green see below:
```
* Results:
  - pymodbus: noble/pymodbus/3.6.9-1ubuntu0.24.04.1 [amd64]
    + ✅ pymodbus on noble for amd64   @ 26.03.25 08:00:31
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-noble-tchavadar-lp2083908-test2/noble/amd64/p/pymodbus/20250326_080031_8e3bb@/log.gz
    + ✅ pymodbus on noble for amd64   @ 26.03.25 08:02:36
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-noble-tchavadar-lp2083908-test2/noble/amd64/p/pymodbus/20250326_080236_7f2bf@/log.gz
  - pymodbus: noble/pymodbus/3.6.9-1ubuntu0.24.04.1 [arm64]
    + ✅ pymodbus on noble for arm64   @ 26.03.25 08:01:14
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-noble-tchavadar-lp2083908-test2/noble/arm64/p/pymodbus/20250326_080114_522fa@/log.gz
    + ✅ pymodbus on noble for arm64   @ 26.03.25 08:04:28
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-noble-tchavadar-lp2083908-test2/noble/arm64/p/pymodbus/20250326_080428_980c5@/log.gz
  - pymodbus: noble/pymodbus/3.6.9-1ubuntu0.24.04.1 [armhf]
    + ✅ pymodbus on noble for armhf   @ 26.03.25 08:01:34
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-noble-tchavadar-lp2083908-test2/noble/armhf/p/pymodbus/20250326_080134_ac3d6@/log.gz
    + ✅ pymodbus on noble for armhf   @ 26.03.25 08:02:13
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-noble-tchavadar-lp2083908-test2/noble/armhf/p/pymodbus/20250326_080213_b403c@/log.gz
  - pymodbus: noble/pymodbus/3.6.9-1ubuntu0.24.04.1 [i386]
    + ✅ pymodbus on noble for i386    @ 26.03.25 08:00:59
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-noble-tchavadar-lp2083908-test2/noble/i386/p/pymodbus/20250326_080059_83150@/log.gz
    + ✅ pymodbus on noble for i386    @ 26.03.25 08:02:30
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-noble-tchavadar-lp2083908-test2/noble/i386/p/pymodbus/20250326_080230_4eac1@/log.gz
  - pymodbus: noble/pymodbus/3.6.9-1ubuntu0.24.04.1 [ppc64el]
    + ✅ pymodbus on noble for ppc64el @ 26.03.25 08:01:23
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-noble-tchavadar-lp2083908-test2/noble/ppc64el/p/pymodbus/20250326_080123_72f00@/log.gz
    + ✅ pymodbus on noble for ppc64el @ 26.03.25 08:18:37
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-noble-tchavadar-lp2083908-test2/noble/ppc64el/p/pymodbus/20250326_081837_e6262@/log.gz
  - pymodbus: noble/pymodbus/3.6.9-1ubuntu0.24.04.1 [s390x]
    + ✅ pymodbus on noble for s390x   @ 26.03.25 08:00:52
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-noble-tchavadar-lp2083908-test2/noble/s390x/p/pymodbus/20250326_080052_a0204@/log.gz
    + ✅ pymodbus on noble for s390x   @ 26.03.25 08:01:43
      • Log: https://autopkgtest.ubuntu.com/results/autopkgtest-noble-tchavadar-lp2083908-test2/noble/s390x/p/pymodbus/20250326_080143_32ed4@/log.gz
* Running: (none)
```

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https://bugs.launchpad.net/bugs/2083908

Title:
  [SRU] pymodbus 3.6.9-1 from 24.10 (to 24.04)

Status in pymodbus package in Ubuntu:
  Invalid
Status in pymodbus source package in Noble:
  New

Bug description:
  Pymodbus 3.6.9 has Python 3.12 support and is available in oracular.
  Is it possible to have a release of pymodbus in noble ?

  ---

  [Impact]

   * There is no pymodbus available in 24.04, its useful for many
  projects to have it and given that 24.04 is an LTS it seems justified
  to backport the 24.10 version of pymodbus to 24.04.

   * Community members as well as commercial partners have asked to get
  pymodbus back in 24.04.

  [Test Plan]

   * Make sure autopkgtests passes
   * Package needs to be tested for certain use cases on real hardware, we will be able to test it with AMD/Xilinx Kria devices

  [Where problems could occur]

   * Package was present in jammy so for the users upgraded from jammy to noble
     they may still have the version of this package in Jammy, and this is a major
     version change which is highly likely for the users of this package to
     introduce breaking changes

  [Other Info]

   * pymodbus is available in focal/jammy as well as in oracular/plucky

   * pymodbus jumps from 2.x to 3.x between 22.04 to 24.04 which means
  some API changes. But I guess that is better than having no pymodbus
  at all.

   * getting pymodbus back into 24.04 will probably also help to avoid distortion
     and some confusion for users who upgrade from earlier versions,
     where the package is still available (focal/jammy),
     but not getting it for 24.04 anymore,
     but again with oracular (and newer).

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