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[OpenStack Infra <1744160@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/535608
Committed: https://git.openstack.org/cgit/openstack/glance/commit/?id=daa3c88d8b824207577cfd5a17ee54edc786bba2
Submitter: Zuul
Branch:    master

commit daa3c88d8b824207577cfd5a17ee54edc786bba2
Author: deepak_mourya <deepak.mourya@xxxxxxxxxxxxxxxxxx>
Date:   Fri Jan 19 11:14:32 2018 +0530

    Handle TZ change in iso8601 >=0.1.12
    
    The iso8601 lib introduced a change such that if running on python
    3.2 or later it internally uses the python timezone information
    instead of its own implementation. This does not change direct
    date handling, but when converting this value there is a slight
    difference where now python 2.x will show UTC times as "UTC",
    but on python 3 they will end up with "UTC+00:00".
    
    The to_primitive call for DateTime fields was doing an exact match
    on "UTC" to determine whether to include "Z" in the resulting string.
    This updates that handling to recognize either of the new values
    
    Change-Id: Icb29d71472932f3ddfe485298d1a5fdd08be6f12
    Closes-bug: #1744160


** Changed in: glance
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1744160

Title:
  Change in iso8601 0.1.12 date format breaks parsing with py35

Status in Cinder:
  Fix Released
Status in Glance:
  Fix Released
Status in OpenStack Identity (keystone):
  Fix Released
Status in Manila:
  In Progress
Status in OpenStack Compute (nova):
  Fix Released
Status in oslo.utils:
  In Progress
Status in oslo.versionedobjects:
  Fix Released

Bug description:
  New package of iso8601 returns string in the format:

  '2012-02-14T20:53:07UTC+00:00'

  instead of:

  
  '2012-02-14T20:53:07Z'

  
  This is resulting in date string comparison failures and timeutils.parse_isotime errors with:

  ValueError: Unable to parse date string '2014-08-08T00:00:00UTC+00:00'

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