[Bug 1507886] Re: DistUpgradeFetcherKDE crashes on method _warning

[Chris J Arges]

Hello Harald, or anyone else affected,

Accepted ubuntu-release-upgrader into vivid-proposed. The package will
build now and be available at https://launchpad.net/ubuntu/+source
/ubuntu-release-upgrader/1:15.04.14.3 in a few hours, and then in the
-proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: ubuntu-release-upgrader (Ubuntu Vivid)
       Status: Triaged => Fix Committed

** Tags added: verification-needed

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https://bugs.launchpad.net/bugs/1507886

Title:
  DistUpgradeFetcherKDE crashes on method _warning

Status in ubuntu-release-upgrader package in Ubuntu:
  Fix Released
Status in ubuntu-release-upgrader source package in Vivid:
  Fix Committed

Bug description:
  # Impact
  DistUpgradeFetcherKDE.py calls self._warning() but in fact _warning is not an instance method of the fetcher but rather a global helper. This causes early unhandled exceptions to entirely defunc the fetcher rendering upgrades with the KDE UI impossible. NB: this only happens iff there was a problem getting the release notes to begin with.

  This was fixed in https://launchpad.net/ubuntu/+source/ubuntu-release-
  upgrader/1:15.10.4 and needs to be SRU'd into vivid as it also suffers
  from the problem.

  # Test Case
  - run `kdesudo -- do-release-upgrade -m desktop -f DistUpgradeViewKDE`
  - should come up with installer

  # Regression Potential
  Can't break anymore than getting another undefined method exception as we do now.

  # Other Info
  In testing I didn't actually get the fetcher UI itself to display, so I expect there is more wrong. It would however be a good start to not have it crash.

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