duplicity failed with UnicodeDecodeError

Bug #1778504 reported by NiKo on 2018-06-25
This bug affects 1 person
Affects Status Importance Assigned to Milestone
duplicity (Ubuntu)

Bug Description

For a couple of weeks, my weekly backup (deja-dup+duplicity, ubuntu 18.04) fails with:

Traceback (innermost last):
  File "/usr/bin/duplicity", line 1555, in <module>
  File "/usr/bin/duplicity", line 1541, in with_tempdir
  File "/usr/bin/duplicity", line 1393, in main
  File "/usr/bin/duplicity", line 1511, in do_backup
  File "/usr/bin/duplicity", line 572, in full_backup
  File "/usr/bin/duplicity", line 454, in write_multivol
    (tdp, dest_filename, vol_num)))
  File "/usr/lib/python2.7/dist-packages/duplicity/asyncscheduler.py", line 146, in schedule_task
    return self.__run_synchronously(fn, params)
  File "/usr/lib/python2.7/dist-packages/duplicity/asyncscheduler.py", line 172, in __run_synchronously
    ret = fn(*params)
  File "/usr/bin/duplicity", line 453, in <lambda>
    vol_num: put(tdp, dest_filename, vol_num),
  File "/usr/bin/duplicity", line 342, in put
    backend.put(tdp, dest_filename)
  File "/usr/lib/python2.7/dist-packages/duplicity/backend.py", line 395, in inner_retry
    % (n, e.__class__.__name__, util.uexc(e)))
  File "/usr/lib/python2.7/dist-packages/duplicity/util.py", line 79, in uexc
    return ufn(unicode(e).encode('utf-8'))
 UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 19: ordinal not in range(128)

It looks like this Unicode error repeatedly arises, whatever the version of duplicity. Mine is:
Package: duplicity
Version: 0.7.17-0ubuntu1
Priority: optional
Section: utils
Origin: Ubuntu
Maintainer: Ubuntu Developers <email address hidden>
Original-Maintainer: Alexander Zangerl <email address hidden>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 1 090 kB
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
Homepage: http://duplicity.nongnu.org/
Task: ubuntu-mate-desktop
Supported: 5y
Download-Size: 183 kB
APT-Manual-Installed: yes
APT-Sources: http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages

If this is a problem with some files encoding, how can I locate which one(s) is faulty?

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: duplicity 0.7.17-0ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18
Uname: Linux 4.15.0-23-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Mon Jun 25 13:18:38 2018
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
InstallationDate: Installed on 2018-02-07 (137 days ago)
InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47
 PATH=(custom, no user)
SourcePackage: duplicity
UpgradeStatus: Upgraded to bionic on 2018-05-17 (38 days ago)

NiKo (nikoferre) wrote :
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