[Bug 1902022] Re: package dh-python 4.20191017ubuntu7 failed to install/upgrade: installed dh-python package pre-removal script subprocess returned error exit status 127

[Stefano Rivera]

Hrm, not sure how that happened, the prerm script says:

if which py3clean >/dev/null 2>&1; then
	py3clean -p dh-python 
else
	dpkg -L dh-python | perl -ne 's,/([^/]*)\.py$,/__pycache__/\1.*, or next; unlink $_ or die $! foreach glob($_)'
	find /usr/lib/python3/dist-packages/ -type d -name __pycache__ -empty -print0 | xargs --null --no-run-if-empty rmdir
fi


So, if py3clean isn't on PATH it should have used the second branch. Maybe /usr/bin/python3 was broken?

** Changed in: dh-python (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1902022

Title:
  package dh-python 4.20191017ubuntu7 failed to install/upgrade:
  installed dh-python package pre-removal script subprocess returned
  error exit status 127

Status in dh-python package in Ubuntu:
  Incomplete

Bug description:
  This error occured after my attempts to correct the inability to
  import pygame into PyCharm-Environment (it works in Python2.7 and
  Python3.6 and 3.8). A package distutils.utils is requested, which I
  cannot find anywhere and should be superseeded by setuptools.

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: dh-python 4.20191017ubuntu7
  ProcVersionSignature: Ubuntu 5.4.0-52.57-generic 5.4.65
  Uname: Linux 5.4.0-52-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.10
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Wed Oct 28 20:55:00 2020
  DuplicateSignature:
   package:dh-python:4.20191017ubuntu7
   Removing dh-python (4.20191017ubuntu7) ...
   /var/lib/dpkg/info/dh-python.prerm: 7: py3clean: not found
   dpkg: error processing package dh-python (--remove):
    installed dh-python package pre-removal script subprocess returned error exit status 127
  ErrorMessage: installed dh-python package pre-removal script subprocess returned error exit status 127
  InstallationDate: Installed on 2020-04-07 (205 days ago)
  InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1)
  PackageArchitecture: all
  Python3Details: /usr/bin/python3, Python 3.8.5, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: /usr/bin/python3.8, Python 3.8.5, python-is-python2, 2.7.17-4
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.2ubuntu0.1
  SourcePackage: dh-python
  Title: package dh-python 4.20191017ubuntu7 failed to install/upgrade: installed dh-python package pre-removal script subprocess returned error exit status 127
  UpgradeStatus: No upgrade log present (probably fresh install)

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