[Bug 1294531] Re: Unicode traceback saving empty SourcesList regression

[Adam Collard]

python-apt (0.9.3.4) fixed this in Trusty.

Confirmed that it's no longer reproducible.

** Bug watch added: Debian Bug tracker #742118
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=742118

** Also affects: python-apt (Debian) via
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=742118
   Importance: Unknown
       Status: Unknown

** Changed in: python-apt (Ubuntu)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/1294531

Title:
  Unicode traceback saving empty SourcesList regression

Status in “python-apt” package in Ubuntu:
  Fix Released
Status in “python-apt” package in Debian:
  Unknown

Bug description:
  Following the recent update to fix LP: #1069019 a regression was
  introduced when trying to save an empty SourcesList.

  
  >>> from aptsources.sourceslist import SourcesList
  >>> s = SourcesList(withMatcher=False)
  >>> s.save()

  /usr/lib/python2.7/dist-packages/aptsources/sourceslist.pyc in save(self)
      409 
      410             with io.open(path, "w", encoding="utf-8") as f:
  --> 411                 f.write(header)
      412             return
      413 

  TypeError: must be unicode, not str

  This is because the header that's added when there are no APT entries
  is a regular Python 2 string object, and not a unicode object.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: python-apt 0.9.3.3 [modified: usr/lib/python2.7/dist-packages/aptsources/sourceslist.py]
  ProcVersionSignature: Ubuntu 3.13.0-18.38-generic 3.13.6
  Uname: Linux 3.13.0-18-generic x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Wed Mar 19 10:11:04 2014
  InstallationDate: Installed on 2012-08-17 (578 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120817.1)
  SourcePackage: python-apt
  UpgradeStatus: Upgraded to trusty on 2014-02-08 (38 days ago)

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