py35 of masakari failed with error related to datetime

[takahara.kengo]

I executed 'tox -epy35', then the following errors occurred.

==============================
Failed 3 tests - output below:
==============================

masakari.tests.unit.objects.test_fields.TestDateTime.test_coerce_good_values
----------------------------------------------------------------------------

Captured traceback:
~~~~~~~~~~~~~~~~~~~
    b'Traceback (most recent call last):'
    b' File "/home/devstack/work_masakari/masakari_py35error_sub/.tox/py35/lib/python3.5/site-packages/oslo_utils/timeutils.py", line 65, in parse_isotime'
    b' return iso8601.parse_date(timestr)'
    b' File "/home/devstack/work_masakari/masakari_py35error_sub/.tox/py35/lib/python3.5/site-packages/iso8601/iso8601.py", line 195, in parse_date'
    b' raise ParseError("Unable to parse date string %r" % datestring)'
    b"iso8601.iso8601.ParseError: Unable to parse date string '2016-11-05T00:00:00UTC+00:00'"
    b''
    b'During handling of the above exception, another exception occurred:'
    b''
    b'Traceback (most recent call last):'
    b' File "/home/devstack/work_masakari/masakari_py35error_sub/masakari/tests/unit/objects/test_fields.py", line 81, in test_coerce_good_values'
    b" self.assertEqual(out_val, self.field.coerce('obj', 'attr', in_val))"
    b' File "/home/devstack/work_masakari/masakari_py35error_sub/.tox/py35/lib/python3.5/site-packages/oslo_versionedobjects/fields.py", line 195, in coerce'
    b' return self._type.coerce(obj, attr, value)'
    b' File "/home/devstack/work_masakari/masakari_py35error_sub/.tox/py35/lib/python3.5/site-packages/oslo_versionedobjects/fields.py", line 461, in coerce'
    b' value = timeutils.parse_isotime(value)'
    b' File "/home/devstack/work_masakari/masakari_py35error_sub/.tox/py35/lib/python3.5/site-packages/oslo_utils/timeutils.py", line 67, in parse_isotime'
    b' raise ValueError(six.text_type(e))'
    b"ValueError: Unable to parse date string '2016-11-05T00:00:00UTC+00:00'"
    b''

masakari.tests.unit.objects.test_fields.TestDateTime.test_from_primitive
------------------------------------------------------------------------

Captured traceback:
~~~~~~~~~~~~~~~~~~~
    b'Traceback (most recent call last):'
    b' File "/home/devstack/work_masakari/masakari_py35error_sub/.tox/py35/lib/python3.5/site-packages/oslo_utils/timeutils.py", line 65, in parse_isotime'
    b' return iso8601.parse_date(timestr)'
    b' File "/home/devstack/work_masakari/masakari_py35error_sub/.tox/py35/lib/python3.5/site-packages/iso8601/iso8601.py", line 195, in parse_date'
    b' raise ParseError("Unable to parse date string %r" % datestring)'
    b"iso8601.iso8601.ParseError: Unable to parse date string '2016-11-05T00:00:00UTC+00:00'"
    b''
    b'During handling of the above exception, another exception occurred:'
    b''
    b'Traceback (most recent call last):'
    b' File "/home/devstack/work_masakari/masakari_py35error_sub/masakari/tests/unit/objects/test_fields.py", line 100, in test_from_primitive'
    b" 'attr', prim_val))"
    b' File "/home/devstack/work_masakari/masakari_py35error_sub/.tox/py35/lib/python3.5/site-packages/oslo_versionedobjects/fields.py", line 212, in from_primitive'
    b' return self._type.from_primitive(obj, attr, value)'
    b' File "/home/devstack/work_masakari/masakari_py35error_sub/.tox/py35/lib/python3.5/site-packages/oslo_versionedobjects/fields.py", line 477, in from_primitive'
    b' return self.coerce(obj, attr, timeutils.parse_isotime(value))'
    b' File "/home/devstack/work_masakari/masakari_py35error_sub/.tox/py35/lib/python3.5/site-packages/oslo_utils/timeutils.py", line 67, in parse_isotime'
    b' raise ValueError(six.text_type(e))'
    b"ValueError: Unable to parse date string '2016-11-05T00:00:00UTC+00:00'"
    b''

masakari.tests.unit.objects.test_fields.TestDateTime.test_to_primitive
----------------------------------------------------------------------

Captured traceback:
~~~~~~~~~~~~~~~~~~~
    b'Traceback (most recent call last):'
    b' File "/home/devstack/work_masakari/masakari_py35error_sub/masakari/tests/unit/objects/test_fields.py", line 91, in test_to_primitive'
    b' in_val))'
    b' File "/home/devstack/work_masakari/masakari_py35error_sub/.tox/py35/lib/python3.5/site-packages/testtools/testcase.py", line 411, in assertEqual'
    b' self.assertThat(observed, matcher, message)'
    b' File "/home/devstack/work_masakari/masakari_py35error_sub/.tox/py35/lib/python3.5/site-packages/testtools/testcase.py", line 498, in assertThat'
    b' raise mismatch_error'
    b"testtools.matchers._impl.MismatchError: '2016-11-05T00:00:00UTC+00:00' != '2016-11-05T00:00:00Z'"
    b''

[takahara.kengo (takahara.kengo)]

I pushed a patch.
https://review.openstack.org/#/c/551195/

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/551195
Committed: https://git.openstack.org/cgit/openstack/masakari/commit/?id=634d8bc2efef536008632728a27127eb230b1170
Submitter: Zuul
Branch: master

commit 634d8bc2efef536008632728a27127eb230b1170
Author: Kengo Takahara <email address hidden>
Date: Fri Mar 9 16:41:06 2018 +0900

    Fix for difference in tzinfo.tzname value between py27 and py35

    The tzinfo.tzname value differs between py27 and py35.
    For example, 'UTC' for py27, 'UTC+00:00' for py35.
    Therefore, it is necessary to change the way to get the date string.

    Change-Id: Iae5539e0aec0fab0a08640f7f6600a1d91b241e5
    Closes-Bug: #1753644

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/masakari 6.0.0.0b1 development milestone.