Bug 1950229

Summary: dnf with Python 3.10: DeprecationWarning: The distutils package is deprecated
Product: [Fedora] Fedora Reporter: Lumír Balhar <lbalhar>
Component: dnfAssignee: amatej
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: rawhideCC: amatej, dmach, jmracek, jrohel, mblaha, mhatina, packaging-team-maint, pkratoch, ppisar, rpm-software-management, vmukhame
Target Milestone: ---Keywords: Triaged
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Hardware: Unspecified   
OS: Unspecified   
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Fixed In Version: dnf-4.8.0-1.fc35 Doc Type: If docs needed, set a value
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Last Closed: 2021-06-15 07:21:34 UTC Type: Bug
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Lumír Balhar 2021-04-16 07:11:50 UTC 
Description of problem:
Python 3.10 will be the main Python interpreter in Fedora 35 and the distutils module is deprecated there and raises DeprecationWarning when imported.

Version-Release number of selected component (if applicable):
  Installed: dnf-0:4.7.0-1.fc35.noarch at Fri Apr 16 06:16:27 2021
  Built    :  at Thu Apr 15 15:19:35 2021

  Installed: rpm-0:4.16.1.3-1.fc35.x86_64 at Wed Apr  7 08:13:20 2021
  Built    : Fedora Project at Mon Mar 22 10:34:04 2021

Python 3.10.0a7

How reproducible:
Always

Steps to Reproduce:
1. run whatever dnf command, dnf --version for example

Actual results:
# dnf --version
/usr/lib/python3.10/site-packages/dnf/const.py:22: DeprecationWarning: The distutils package is deprecated and slated for removal in Python 3.12. Use setuptools or check PEP 632 for potential alternatives
  import distutils.sysconfig
4.7.0
  Installed: dnf-0:4.7.0-1.fc35.noarch at Fri Apr 16 06:16:27 2021
  Built    :  at Thu Apr 15 15:19:35 2021

  Installed: rpm-0:4.16.1.3-1.fc35.x86_64 at Wed Apr  7 08:13:20 2021
  Built    : Fedora Project at Mon Mar 22 10:34:04 2021

Expected results:
No raised warning.

Additional info:
This import is unused: https://github.com/rpm-software-management/dnf/blob/1e0b9221006ec83cd8d359fc1a7d847e3443dfa2/dnf/persistor.py#L29
Comment 1 amatej 2021-04-19 13:22:23 UTC 
Thank you for reporting this!
I made a PR which should fix it: https://github.com/rpm-software-management/dnf/pull/1758
Comment 2 Fedora Update System 2021-06-15 07:21:34 UTC 
FEDORA-2021-78c5f8c03d has been pushed to the Fedora 35 stable repository.
If problem still persists, please make note of it in this bug report.