Remove six

Remove six.moves Replace the following items with Python 3 style code.
- six.moves.urllib
- six.iteritems
- six.PY2
- six.StringIO

Change-Id: If3fe0e534b092d436e46fca944c2955911e38197

aodhclient/tests/functional/test_alarm.py

@@ -15,7 +15,6 @@ import os
 from oslo_utils import uuidutils
 import requests
 import requests.auth
-import six
 from tempest.lib import exceptions
 
 from aodhclient.tests.functional import base
@@ -289,7 +288,7 @@ class AodhClientTest(base.ClientTestBase):
         def test(params):
             result = self.aodh('alarm', params=params)
             alarm = self.details_multiple(result)[0]
-            for key, value in six.iteritems(expected_lines):
+            for key, value in expected_lines.items():
                 self.assertEqual(value, alarm[key])
             return alarm
 
@@ -686,7 +685,7 @@ class AodhClientGnocchiRulesTest(base.ClientTestBase):
         alarm = self.details_multiple(result)[0]
         ALARM_ID = alarm['alarm_id']
         self.assertEqual('alarm1', alarm['name'])
-        metrics = "[u'cpu', u'cpu_util']" if six.PY2 else "['cpu', 'cpu_util']"
+        metrics = "['cpu', 'cpu_util']"
         self.assertEqual(metrics, alarm['metrics'])
         self.assertEqual('80.0', alarm['threshold'])
         self.assertEqual('last', alarm['aggregation_method'])
@@ -865,7 +864,7 @@ class AodhClientGnocchiRulesTest(base.ClientTestBase):
                              % (ALARM_ID, METRIC1, METRIC2)))
         alarm_updated = self.details_multiple(result)[0]
         self.assertEqual(ALARM_ID, alarm_updated["alarm_id"])
-        metrics = "[u'cpu', u'cpu_util']" if six.PY2 else "['cpu', 'cpu_util']"
+        metrics = "['cpu', 'cpu_util']"
         self.assertEqual(metrics, alarm_updated['metrics'])
         self.assertEqual('80.0', alarm_updated['threshold'])
         self.assertEqual('last', alarm_updated['aggregation_method'])

aodhclient/tests/unit/test_shell.py

@@ -12,11 +12,11 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+import io
 import sys
 from unittest import mock
 
 from keystoneauth1 import exceptions
-import six
 import testtools
 
 from aodhclient import shell
@@ -24,7 +24,7 @@ from aodhclient import shell
 
 class CliTest(testtools.TestCase):
 
-    @mock.patch('sys.stderr', six.StringIO())
+    @mock.patch('sys.stderr', io.StringIO())
     def test_cli_http_error_with_details(self):
         shell.AodhShell().clean_up(
             None, None, exceptions.HttpError('foo', details='bar'))
@@ -32,7 +32,7 @@ class CliTest(testtools.TestCase):
         self.assertEqual(1, len(stderr_lines))
         self.assertEqual('bar', stderr_lines[0])
 
-    @mock.patch('sys.stderr', six.StringIO())
+    @mock.patch('sys.stderr', io.StringIO())
     def test_cli_http_error_without_details(self):
         shell.AodhShell().clean_up(None, None, exceptions.HttpError('foo'))
         stderr_lines = sys.stderr.getvalue().splitlines()

aodhclient/utils.py

@@ -12,7 +12,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 import re
-from six.moves.urllib import parse as urllib_parse
+from urllib import parse as urllib_parse
 
 import pyparsing as pp
 

aodhclient/v2/base.py

@@ -13,8 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import six
-
 
 class Manager(object):
     DEFAULT_HEADERS = {
@@ -26,7 +24,7 @@ class Manager(object):
 
     def _set_default_headers(self, kwargs):
         headers = kwargs.get('headers', {})
-        for k, v in six.iteritems(self.DEFAULT_HEADERS):
+        for k, v in self.DEFAULT_HEADERS.items():
             if k not in headers:
                 headers[k] = v
         kwargs['headers'] = headers

requirements.txt

@@ -10,5 +10,4 @@ oslo.serialization>=1.4.0 # Apache-2.0
 oslo.utils>=2.0.0 # Apache-2.0
 osprofiler>=1.4.0 # Apache-2.0
 keystoneauth1>=1.0.0
-six
 pyparsing