[Bug 2105455] Re: python3-venv : Depends: python3 (= 3.12.3-0ubuntu1) but 3.12.3-0ubuntu2 is to be installed

[Dima Tisnek]

Yes I was really wondering about that.

The installer has set me up with a mirror:

Types: deb
URIs: http://jp.archive.ubuntu.com/ubuntu/
Suites: noble
Components: main restricted universe multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg

Types: deb
URIs: http://security.ubuntu.com/ubuntu/
Suites: noble-security
Components: universe multiverse main restricted
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg


Which even today results in:

python3:
  Installed: 3.12.3-0ubuntu1
  Candidate: 3.12.3-0ubuntu1
  Version table:
 *** 3.12.3-0ubuntu1 500
        500 http://jp.archive.ubuntu.com/ubuntu noble/main amd64 Packages
        100 /var/lib/dpkg/status
python3-venv:
  Installed: 3.12.3-0ubuntu1
  Candidate: 3.12.3-0ubuntu1
  Version table:
 *** 3.12.3-0ubuntu1 500
        500 http://jp.archive.ubuntu.com/ubuntu noble/universe amd64 Packages
        100 /var/lib/dpkg/status


And it's the same with your mirror.

The difference is this:

my sources are stamped/tagged: noble/main amd64 Packages
your sources are stamped/tggd: noble-updates/universe amd64 Packages

The installer has installed `-0ubuntu2` on the new system, but has
stamped the sources as `noble/main amd64 Packages` and today that
version comes from `noble-updates/universe`, has not been promoted to
`noble/main`.

So... it's essentially an installer bug, isn't it?

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https://bugs.launchpad.net/bugs/2105455

Title:
  python3-venv : Depends: python3 (= 3.12.3-0ubuntu1) but
  3.12.3-0ubuntu2 is to be installed

Status in python3-defaults package in Ubuntu:
  Incomplete

Bug description:
  ommand: /usr/bin/apt-get install -y python3-venv
  Output:
  Reading package lists...
  Building dependency tree...
  Reading state information...
  Some packages could not be installed. This may mean that you have
  requested an impossible situation or if you are using the unstable
  distribution that some required packages have not yet been created
  or been moved out of Incoming.
  The following information may help to resolve the situation:

  The following packages have unmet dependencies:
   python3-venv : Depends: python3 (= 3.12.3-0ubuntu1) but 3.12.3-0ubuntu2 is to be installed

  
  Couldn't be fixed by normal update/upgrade or mirror change.

  I've patched my system for now with:

  sudo apt install --allow-downgrades
  python3{,-full,-doc,-examples,-minimal}=3.12.3-0ubuntu1
  libpython3-stdlib=3.12.3-0ubuntu1

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