[Bug 1631098] [NEW] update_interface function of DistUpgradeViewNonInteractive should be rewritten

[Brian Murray]

Public bug reported:

As documented in bug 1614576 DistUpgradeViewNonInteractive was failing
with a UnicodeDecodeError when writing text to the terminal.  While this
been worked around by using "errors='ignore'" thereby skipping any
failures to decode it would be better if the whole section was rewritten
so the text is properly handled.

Barry Warsaw suggested using asyncio.

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Medium
         Status: Triaged


** Tags: rls-z-incoming yakkety

** Tags added: rls-z-incoming yakkety

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Triaged

** Changed in: ubuntu-release-upgrader (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1631098

Title:
  update_interface function of DistUpgradeViewNonInteractive should be
  rewritten

Status in ubuntu-release-upgrader package in Ubuntu:
  Triaged

Bug description:
  As documented in bug 1614576 DistUpgradeViewNonInteractive was failing
  with a UnicodeDecodeError when writing text to the terminal.  While
  this been worked around by using "errors='ignore'" thereby skipping
  any failures to decode it would be better if the whole section was
  rewritten so the text is properly handled.

  Barry Warsaw suggested using asyncio.

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