[Bug 1910175] Re: Discrepancy between python3-defaults (and the `python3` symlink) and the actual version of Python installed by python3.8

[Julian Andres Klode]

The correct way to check for the python version is to figure out the
major version (here 3.8) by looking at python3, and then looking at
python<major>, here python3.8.

The versions are not matching in other releases either, e.g. bionic has
defaults 3.6.5/3.6.7, but python3.6 is at 3.6.5/3.6.9. xenial has 3.5.1
default, 3.5.2 python3.5.

This is normal and expected; changing it would not do anything useful,
just trigger a ton of autopkgtests.

** Changed in: python3-defaults (Ubuntu)
       Status: Confirmed => Opinion

** Changed in: python3-defaults (Ubuntu Focal)
       Status: Confirmed => Opinion

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https://bugs.launchpad.net/bugs/1910175

Title:
  Discrepancy between python3-defaults (and the `python3` symlink) and
  the actual version of Python installed by python3.8

Status in python3-defaults package in Ubuntu:
  Opinion
Status in python3-defaults source package in Focal:
  Opinion

Bug description:
  Per the SRU done at https://launchpad.net/bugs/1889218 to update
  Focal's Python via SRU to 3.8.5, there is a leftover discrepancy on
  python3-defaults (and the corresponding `python3` package itself, NOT
  the `python3.8` binaries pulled in by it) as to which version is in
  place.

  The `python3-defaults` and `python3` for Focal is listed as 3.8.2 in
  rmadison:

   python3-defaults | 3.8.2-0ubuntu2   | focal            | source
   python3          | 3.8.2-0ubuntu2   | focal            | amd64, arm64, armhf, i386, ppc64el, riscv64, s390x

  
  However, per the SRU, Python 3.8 was updated to Python 3.8.5 in both -updates and -security:

   python3.8 | 3.8.2-1ubuntu1 | focal                   | source, amd64, arm64, armhf, i386, ppc64el, riscv64, s390x
   python3.8 | 3.8.5-1~20.04  | focal-security          | source, amd64, arm64, armhf, i386, ppc64el, riscv64, s390x
   python3.8 | 3.8.5-1~20.04  | focal-updates           | source, amd64, arm64, armhf, i386, ppc64el, riscv64, s390x

  Unfortunately, this leaves a version discrepancy between python3.8's
  version of 3.8.5 and the corresponding version entry on -defaults.

  This may be able to be resolved by respinning -defaults and putting it
  in both -security and -updates as a post-SRU-fix to fix the
  discrepancy.

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