Exception in creating json response under py35

[Yujun Zhang]

Code for testing, https://review.openstack.org/#/c/487454/1

    def test_json_response(self):
        expected_body = json.dumps({'detailed': False, 'reasons': []},
                                   indent=4, sort_keys=True).encode('utf-8')
        self._do_test(expected_body=expected_body,
                      accept='application/json')

Exception raised, http://logs.openstack.org/54/487454/1/check/gate-oslo.middleware-python35/09f1af6/console.html

2017-07-26 14:54:50.922294 | ======================================================================
2017-07-26 14:54:50.922316 | FAIL: oslo_middleware.tests.test_healthcheck.HealthcheckTests.test_json_response
2017-07-26 14:54:50.922325 | tags: worker-1
2017-07-26 14:54:50.922345 | ----------------------------------------------------------------------
2017-07-26 14:54:50.922358 | Traceback (most recent call last):
2017-07-26 14:54:50.922396 | File "/home/jenkins/workspace/gate-oslo.middleware-python35/oslo_middleware/tests/test_healthcheck.py", line 201, in test_json_response
2017-07-26 14:54:50.922411 | accept='application/json')
2017-07-26 14:54:50.923016 | File "/home/jenkins/workspace/gate-oslo.middleware-python35/oslo_middleware/tests/test_healthcheck.py", line 79, in _do_test
2017-07-26 14:54:50.923054 | server_port=server_port)
2017-07-26 14:54:50.923093 | File "/home/jenkins/workspace/gate-oslo.middleware-python35/oslo_middleware/tests/test_healthcheck.py", line 70, in _do_test_request
2017-07-26 14:54:50.923108 | res = req.get_response(self.app)
2017-07-26 14:54:50.923144 | File "/home/jenkins/workspace/gate-oslo.middleware-python35/.tox/py35/lib/python3.5/site-packages/webob/request.py", line 1316, in send
2017-07-26 14:54:50.923159 | application, catch_exc_info=False)
2017-07-26 14:54:50.923198 | File "/home/jenkins/workspace/gate-oslo.middleware-python35/.tox/py35/lib/python3.5/site-packages/webob/request.py", line 1280, in call_application
2017-07-26 14:54:50.923217 | app_iter = application(self.environ, start_response)
2017-07-26 14:54:50.923264 | File "/home/jenkins/workspace/gate-oslo.middleware-python35/.tox/py35/lib/python3.5/site-packages/webob/dec.py", line 131, in __call__
2017-07-26 14:54:50.923293 | resp = self.call_func(req, *args, **self.kwargs)
2017-07-26 14:54:50.923337 | File "/home/jenkins/workspace/gate-oslo.middleware-python35/.tox/py35/lib/python3.5/site-packages/webob/dec.py", line 196, in call_func
2017-07-26 14:54:50.923351 | return self.func(req, *args, **kwargs)
2017-07-26 14:54:50.923377 | File "/home/jenkins/workspace/gate-oslo.middleware-python35/oslo_middleware/base.py", line 128, in __call__
2017-07-26 14:54:50.923391 | response = self.process_request(req)
2017-07-26 14:54:50.923423 | File "/home/jenkins/workspace/gate-oslo.middleware-python35/.tox/py35/lib/python3.5/site-packages/webob/dec.py", line 149, in __call__
2017-07-26 14:54:50.923435 | return self.func(req, *args, **kw)
2017-07-26 14:54:50.923466 | File "/home/jenkins/workspace/gate-oslo.middleware-python35/oslo_middleware/healthcheck/__init__.py", line 561, in process_request
2017-07-26 14:54:50.923477 | content_type=content_type)
2017-07-26 14:54:50.923510 | File "/home/jenkins/workspace/gate-oslo.middleware-python35/.tox/py35/lib/python3.5/site-packages/webob/response.py", line 310, in __init__
2017-07-26 14:54:50.923527 | "You cannot set the body to a text value without a "
2017-07-26 14:54:50.923545 | TypeError: You cannot set the body to a text value without a charset

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/487454
Committed: https://git.openstack.org/cgit/openstack/oslo.middleware/commit/?id=c3c9891ddd60a1e6af61d7ab149f2f5b4a74227d
Submitter: Jenkins
Branch: master

commit c3c9891ddd60a1e6af61d7ab149f2f5b4a74227d
Author: Yujun Zhang <email address hidden>
Date: Wed Jul 26 22:51:23 2017 +0800

    Fix exception in json response under py35

    charset is required when response with body

    Closes-Bug: #1707127
    Change-Id: I9921c67866d252f972954eed5afbc90389e06c3f

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/oslo.middleware 3.31.0 release.