[Bug 659438] Re: Installation/Removal fails because of package which could not be located (failure in apt.Cache.required_download)

[Launchpad Bug Tracker]

This bug was fixed in the package python-apt - 0.8.3ubuntu7

---------------
python-apt (0.8.3ubuntu7) precise; urgency=low

  [ Michael Vogt ]
  * python/cache.cc:
    - ensure that pkgApplyStatus is called when the cache is opened
      Thanks to Sebastian Heinlein for finding this bug, providing a fix
      and adding a regression test, LP: #659438
 -- Michael Vogt <michael.vogt at ubuntu.com>   Wed, 18 Apr 2012 10:26:06 +0200

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

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https://bugs.launchpad.net/bugs/659438

Title:
  Installation/Removal fails because of package which could not be
  located (failure in apt.Cache.required_download)

Status in Aptdaemon:
  Fix Committed
Status in “apt” package in Ubuntu:
  Invalid
Status in “aptdaemon” package in Ubuntu:
  Fix Released
Status in “python-apt” package in Ubuntu:
  Fix Released
Status in “apt” source package in Maverick:
  Invalid
Status in “aptdaemon” source package in Maverick:
  Fix Released
Status in “python-apt” source package in Maverick:
  Invalid

Bug description:
  Steps to reproduce:

  1. Run apt-get nstall ms-ttcorefonts-installer in a terminal
  2. Close the terminal window at the EULA question (apt-get/dpkg/debconf) will sting hang in the background and lock the system)
  3. Reboot


  Traceback (most recent call last):
    File "/usr/lib/python2.6/dist-packages/aptdaemon/worker.py", line 768, in simulate
      return self._simulate_helper(trans, status_path)
    File "/usr/lib/python2.6/dist-packages/aptdaemon/worker.py", line 936, in _simulate_helper
      return depends, status, self._cache.required_download, \
    File "/usr/lib/python2.6/dist-packages/apt/cache.py", line 218, in required_download
      pm.get_archives(fetcher, self._list, self._records)
  SystemError: E:I wasn't able to locate file for the liblua50 package. This might mean you need to manually fix this package.

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