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Issues for https://launchpad.net/~deadsnakes/+archive/ubuntu/ppa
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Ubuntu 24.04.1 and deadsnakes version issues #297

Closed rlippmann closed 2 months ago

rlippmann commented 2 months ago

description

Trying to upgrade/reinstall various packages I keep running into the following errors:

The following packages have unmet dependencies:
 libpython3.12t64 : Depends: libpython3.12-stdlib (= 3.12.3-1ubuntu0.1) but 3.12.5-1+jammy1 is to be installed

Apparently a lot of things depend on python in Noble, so I can't do things like upgrade/reinstall samba, vim, etc.

os information

lsb_release -a

No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 24.04.1 LTS
Release:    24.04
Codename:   noble

uname -a

Linux pkitty 6.8.0-41-generic #41-Ubuntu SMP PREEMPT_DYNAMIC Fri Aug  2 20:41:06 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
rlippmann commented 2 months ago

So, I think I managed to fix this:

sudo aptitude remove python3 sudo ppa-purge ppa:deadsnakes/ppa sudo apt reinstall python3

asottile commented 2 months ago

we don't provide python 3.12 on noble, that's ununtu's package

rlippmann commented 2 months ago

I'm aware. The problem is that if you have 3.12 installed on jammy via deadsnakes, it conflicts with the one noble wants to install.

rlippmann commented 2 months ago

So, since the version in deadsnakes jammy is higher (3.12.5) than what ubuntu provides (3.12.3), apt can't find 3.12.5+ in the ubuntu repos. Nor in deadsnakes because 3.12 isn't there either.

asottile commented 2 months ago

you're in severely unsupported territory -- trying to install a python on the wrong ubuntu release is asking for trouble (especially if you're trying to overwrite the system python)

rlippmann commented 2 months ago

That's not what I did, though.

I had jammy with the system versions of python. I installed 3.12 via deadsnakes on jammy to do development. Not as the system python, just installed the binaries.

When I went and tried to upgrade from jammy to noble, apt saw a version of 3.12 there. So, it tried to use it. Unfortunately, deadsnakes was at 3.12.5, noble is at 3.12.3, so apt gave up.

If you want to reproduce: 1) install jammy on a machine 2) add deadsnakes ppa 3) install 3.12 from deadsnakes onto the jammy machine 4) try to upgrade to noble from there.

anto-acube commented 2 months ago

I had the very same issue @rlippmann. How did you managed to continue the Ubuntu release upgrade? My sourcelists are completely messed up.

asottile commented 2 months ago

ah rookie mistake. you'll want to purge all ppas when upgrading

sandblasted commented 1 month ago

For future reference you can manually downgrade to the distro version.

$ sudo apt-get install python3.12=3.12.3-1ubuntu0.2 python3.12-minimal=3.12.3-1ubuntu0.2 libpython3.12-stdlib=3.12.3-1ubuntu0.2 libpython3.12-minimal=3.12.3-1ubuntu0.2

To check the available version numbers use $ apt-cache policy python3.12-minimal