[Bug 1871763] Re: Duplicity is not working

[Kenneth Loafman]

** Changed in: duplicity
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1871763

Title:
  Duplicity is not working

Status in Duplicity:
  Invalid
Status in python-defaults package in Ubuntu:
  New

Bug description:
  Duplicity is failing to make backup.
  It produces error message: see attached 000_Error_message.png

  After starting duplicity from terminal, I got much better error message:
  unim95 at ubuntu-BitFenix-Prodigy:~$ duplicity 
  bash: /usr/bin/duplicity: /usr/bin/python2: bad interpreter: No such file or directory

  After searching system for python2 i found, that there is no python2 executable
  unim95 at ubuntu-BitFenix-Prodigy:~$ locate python2 | grep -v lib | grep -v man | grep -v doc | grep -v include
  /etc/python2.7
  /etc/python2.7/sitecustomize.py
  /snap/core/8689/usr/share/bash-completion/completions/python2
  /snap/core/8689/usr/share/dh-python/dh_python2
  /snap/core/8689/usr/share/dh-python/dist/cpython2_fallback
  /snap/core/8935/usr/share/bash-completion/completions/python2
  /snap/core/8935/usr/share/dh-python/dh_python2
  /snap/core/8935/usr/share/dh-python/dist/cpython2_fallback
  /usr/bin/python2-futurize
  /usr/bin/python2-pasteurize
  /usr/bin/python2.7
  /usr/bin/python2.7-config
  /usr/bin/waitress-serve-python2
  /usr/bin/x86_64-linux-gnu-python2.7-config
  /usr/share/app-install/desktop/idle-python2.7:idle-python2.7.desktop
  /usr/share/applications/python2.7.desktop
  /usr/share/bash-completion/completions/python2
  /usr/share/binfmts/python2.7
  /usr/share/dh-python/dh_python2
  /usr/share/dh-python/dist/cpython2_fallback
  /usr/share/lintian/overrides/python2.7
  /usr/share/lintian/overrides/python2.7-minimal
  /usr/share/pixmaps/python2.7.xpm

  
  Default python is:
  unim95 at ubuntu-BitFenix-Prodigy:~$ python --version
  Python 2.7.17


  Duplicity version: 
  unim95 at ubuntu-BitFenix-Prodigy:~$ dpkg -s duplicity
  Package: duplicity
  Status: install ok installed
  Priority: optional
  Section: utils
  Installed-Size: 1064
  Maintainer: Ubuntu Developers <ubuntu-devel-discuss at lists.ubuntu.com>
  Architecture: amd64
  Version: 0.7.17-0ubuntu1.1
  Depends: libc6 (>= 2.4), librsync1 (>= 0.9.6), python (<< 2.8), python (>= 2.7~), python-fasteners, python:any (<< 2.8), python:any (>= 2.7.5-5~), python-lockfile (>> 1:0.9), gnupg | gnupg1
  Suggests: rsync, python-paramiko, python-pexpect, python-urllib3, python-oauthlib, python-boto, ncftp, python-cloudfiles, lftp, python-gdata, tahoe-lafs, python-swiftclient
  Description: encrypted bandwidth-efficient backup
   Duplicity backs directories by producing encrypted tar-format volumes
   and uploading them to a remote or local file server. Because duplicity
   uses librsync, the incremental archives are space efficient and only
   record the parts of files that have changed since the last backup.
   Because duplicity uses GnuPG to encrypt and/or sign these archives, they
   will be safe from spying and/or modification by the server.
  Homepage: http://duplicity.nongnu.org/
  Original-Maintainer: Alexander Zangerl <az at debian.org>

  Python2 version:
  unim95 at ubuntu-BitFenix-Prodigy:~$ dpkg -s python 
  Package: python
  Status: install ok installed
  Priority: optional
  Section: python
  Installed-Size: 624
  Maintainer: Ubuntu Developers <ubuntu-devel-discuss at lists.ubuntu.com>
  Architecture: amd64
  Multi-Arch: allowed
  Source: python-defaults
  Version: 2.7.15~rc1-1
  Replaces: python-dev (<< 2.6.5-2)
  Provides: python-ctypes, python-email, python-importlib, python-profiler, python-wsgiref
  Depends: python2.7 (>= 2.7.15~rc1-1~), libpython-stdlib (= 2.7.15~rc1-1)
  Pre-Depends: python-minimal (= 2.7.15~rc1-1)
  Suggests: python-doc (= 2.7.15~rc1-1), python-tk (>= 2.7.15~rc1-1~)
  Breaks: update-manager-core (<< 0.200.5-2)
  Conflicts: python-central (<< 0.5.5)
  Description: interactive high-level object-oriented language (default version)
   Python, the high-level, interactive object oriented language,
   includes an extensive class library with lots of goodies for
   network programming, system administration, sounds and graphics.
   .
   This package is a dependency package, which depends on Debian's default
   Python version (currently v2.7).
  Original-Maintainer: Matthias Klose <doko at debian.org>
  Homepage: http://www.python.org/
  Cnf-Extra-Commands: python
  Cnf-Priority-Bonus: 3

  OS:
  unim95 at ubuntu-BitFenix-Prodigy:~$ cat /etc/os-release 
  NAME="Ubuntu"
  VERSION="18.04.4 LTS (Bionic Beaver)"
  ID=ubuntu
  ID_LIKE=debian
  PRETTY_NAME="Ubuntu 18.04.4 LTS"
  VERSION_ID="18.04"
  HOME_URL="https://www.ubuntu.com/"
  SUPPORT_URL="https://help.ubuntu.com/"
  BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
  PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
  VERSION_CODENAME=bionic
  UBUNTU_CODENAME=bionic

  FS used: ext4.

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