[Bug 1530888] Re: Bytes versus text issues on Python 3

[Launchpad Bug Tracker]

This bug was fixed in the package python-tooz - 1.62.0-0ubuntu2

---------------
python-tooz (1.62.0-0ubuntu2) cosmic; urgency=medium

  * d/p/ensure-consistent-encoding-of-strings-for-ID.patch: Cherry
    pick inflight fix to resolve encoding issues under Python 3
    (LP: #1530888).

 -- James Page <james.page at ubuntu.com>  Tue, 11 Sep 2018 11:14:22 -0600

** Changed in: python-tooz (Ubuntu)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1530888

Title:
  Bytes versus text issues on Python 3

Status in tooz:
  Triaged
Status in python-tooz package in Ubuntu:
  Fix Released

Bug description:
  It's unclear to me if group and member identifiers are supposed to be
  bytes or text strings in tooz. Try to run unit tests with "python3
  -bb" to see BytesWarning errors.

  It looks like bytes is preferred, but it's cause some conversion
  issues on Python 3.

  Tooz errors have group_id and member_id attributes which are used to
  format error messages. Example:

  ---
  class MemberAlreadyExist(ToozError):
      """Exception raised when the caller try to join a group but a member
      with the same identifier belongs to that group.
      """
      def __init__(self, group_id, member_id):
          self.group_id = group_id
          self.member_id = member_id
          super(MemberAlreadyExist, self).__init__(
              "Member %s has already joined %s" %
              (member_id, group_id))
  ---

  If group_id and member_id must be bytes, we must decode them to format
  the error message. "%s" % b'bytes' raises a BytesWarning when python3
  is used with -bb.

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