[Bug 2007311] Re: apt-check python script doesn't catch issues before outputting bad data

[Julian Andres Klode]

@kodiak apt.Cache only includes real packages, the one in apt_pkg also
has virtual packages. You can see that in apt/cache.py how it filters
the apt_pkg.Cache.

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https://bugs.launchpad.net/bugs/2007311

Title:
  apt-check python script doesn't catch issues before outputting bad
  data

Status in update-notifier package in Ubuntu:
  Confirmed

Bug description:
  This type of error should be caught.

   /usr/lib/update-notifier/apt-check
  E: Unknown Error: '<class 'KeyError'>' ("The cache has no package named 'libxmlb2:amd64'")

  /usr/lib/update-notifier/apt-check --human-readable
  E: Unknown Error: '<class 'KeyError'>' ("The cache has no package named 'libxmlb2:amd64'")

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