Remove usage of six

With python3.x, classes can use 'metaclass=' instead of
'six.add_metaclass', 'six.iteritems' and 'six.iterkeys' can
be replaced by 'items' and 'keys', 'six.moves.urllib.parse'
can be replaced by 'urllib.parse', 'six.StringIO' and
'six.moves.cStringIO' can be replaced by 'io.StringIO',
'six.text_type' and 'six.string_type' are just 'str'.

Change-Id: I84848c0bf8ab3c36dd821141191e2725e4e3b58b

6 files changed, 15 insertions, 19 deletions

diff --git a/openstackclient/tests/unit/compute/v2/test_server.py b/openstackclient/tests/unit/compute/v2/test_server.py
index 02bb406c..2445e143 100644
--- a/openstackclient/tests/unit/compute/v2/test_server.py
+++ b/openstackclient/tests/unit/compute/v2/test_server.py
@@ -24,7 +24,6 @@ from openstack import exceptions as sdk_exceptions
 from osc_lib import exceptions
 from osc_lib import utils as common_utils
 from oslo_utils import timeutils
-import six
 
 from openstackclient.compute.v2 import server
 from openstackclient.tests.unit.compute.v2 import fakes as compute_fakes
@@ -1907,7 +1906,7 @@ class TestServerCreate(TestServer):
                                self.cmd.take_action, parsed_args)
         # Assert it is the error we expect.
         self.assertIn('--volume is not allowed with --boot-from-volume',
-                      six.text_type(ex))
+                      str(ex))
 
     def test_server_create_image_property(self):
         arglist = [
@@ -3288,7 +3287,7 @@ class TestServerMigrate(TestServer):
         # Make sure it's the error we expect.
         self.assertIn('--os-compute-api-version 2.56 or greater is required '
                       'to use --host without --live-migration.',
-                      six.text_type(ex))
+                      str(ex))
 
         self.servers_mock.get.assert_called_with(self.server.id)
         self.assertNotCalled(self.servers_mock.live_migrate)
@@ -3323,7 +3322,7 @@ class TestServerMigrate(TestServer):
         # A warning should have been logged for using --live.
         mock_warning.assert_called_once()
         self.assertIn('The --live option has been deprecated.',
-                      six.text_type(mock_warning.call_args[0][0]))
+                      str(mock_warning.call_args[0][0]))
 
     def test_server_live_migrate_host_pre_2_30(self):
         # Tests that the --host option is not supported for --live-migration
@@ -3346,7 +3345,7 @@ class TestServerMigrate(TestServer):
 
         # Make sure it's the error we expect.
         self.assertIn('--os-compute-api-version 2.30 or greater is required '
-                      'when using --host', six.text_type(ex))
+                      'when using --host', str(ex))
 
         self.servers_mock.get.assert_called_with(self.server.id)
         self.assertNotCalled(self.servers_mock.live_migrate)
@@ -3436,7 +3435,7 @@ class TestServerMigrate(TestServer):
         # A warning should have been logged for using --live.
         mock_warning.assert_called_once()
         self.assertIn('The --live option has been deprecated.',
-                      six.text_type(mock_warning.call_args[0][0]))
+                      str(mock_warning.call_args[0][0]))
 
     def test_server_live_migrate_live_and_host_mutex(self):
         # Tests specifying both the --live and --host options which are in a
@@ -4352,7 +4351,7 @@ class TestServerResize(TestServer):
         # A warning should have been logged for using --confirm.
         mock_warning.assert_called_once()
         self.assertIn('The --confirm option has been deprecated.',
-                      six.text_type(mock_warning.call_args[0][0]))
+                      str(mock_warning.call_args[0][0]))
 
     def test_server_resize_revert(self):
         arglist = [
@@ -4377,7 +4376,7 @@ class TestServerResize(TestServer):
         # A warning should have been logged for using --revert.
         mock_warning.assert_called_once()
         self.assertIn('The --revert option has been deprecated.',
-                      six.text_type(mock_warning.call_args[0][0]))
+                      str(mock_warning.call_args[0][0]))
 
     @mock.patch.object(common_utils, 'wait_for_status', return_value=True)
     def test_server_resize_with_wait_ok(self, mock_wait_for_status):
diff --git a/openstackclient/tests/unit/compute/v2/test_service.py b/openstackclient/tests/unit/compute/v2/test_service.py
index 7a036833..87e54747 100644
--- a/openstackclient/tests/unit/compute/v2/test_service.py
+++ b/openstackclient/tests/unit/compute/v2/test_service.py
@@ -18,7 +18,6 @@ from unittest.mock import call
 
 from novaclient import api_versions
 from osc_lib import exceptions
-import six
 
 from openstackclient.compute.v2 import service
 from openstackclient.tests.unit.compute.v2 import fakes as compute_fakes
@@ -502,7 +501,7 @@ class TestServiceSet(TestService):
                                self.cmd._find_service_by_host_and_binary,
                                self.service_mock, 'fake-host', 'nova-compute')
         self.assertIn('Compute service for host "fake-host" and binary '
-                      '"nova-compute" not found.', six.text_type(ex))
+                      '"nova-compute" not found.', str(ex))
 
     def test_service_set_find_service_by_host_and_binary_many_results(self):
         # Tests that more than one compute service is found by host and binary.
@@ -512,4 +511,4 @@ class TestServiceSet(TestService):
                                self.service_mock, 'fake-host', 'nova-compute')
         self.assertIn('Multiple compute services found for host "fake-host" '
                       'and binary "nova-compute". Unable to proceed.',
-                      six.text_type(ex))
+                      str(ex))
diff --git a/openstackclient/tests/unit/fakes.py b/openstackclient/tests/unit/fakes.py
index e5476f06..00e0c129 100644
--- a/openstackclient/tests/unit/fakes.py
+++ b/openstackclient/tests/unit/fakes.py
@@ -19,7 +19,6 @@ from unittest import mock
 
 from keystoneauth1 import fixture
 import requests
-import six
 
 
 AUTH_TOKEN = "foobar"
@@ -253,7 +252,7 @@ class FakeResponse(requests.Response):
 
         self.headers.update(headers)
         self._content = json.dumps(data)
-        if not isinstance(self._content, six.binary_type):
+        if not isinstance(self._content, bytes):
             self._content = self._content.encode()
 
 
diff --git a/openstackclient/tests/unit/object/v1/fakes.py b/openstackclient/tests/unit/object/v1/fakes.py
index 0ed791a5..1808d5b7 100644
--- a/openstackclient/tests/unit/object/v1/fakes.py
+++ b/openstackclient/tests/unit/object/v1/fakes.py
@@ -14,7 +14,6 @@
 #
 
 from keystoneauth1 import session
-import six
 
 from openstackclient.api import object_store_v1 as object_store
 from openstackclient.tests.unit import utils
@@ -68,7 +67,7 @@ OBJECT = {
     'last_modified': object_modified_1,
 }
 
-object_1_content = six.b('object 1 content')
+object_1_content = b'object 1 content'
 
 OBJECT_2 = {
     'name': object_name_2,
diff --git a/openstackclient/tests/unit/object/v1/test_object_all.py b/openstackclient/tests/unit/object/v1/test_object_all.py
index dd587142..7e88409f 100644
--- a/openstackclient/tests/unit/object/v1/test_object_all.py
+++ b/openstackclient/tests/unit/object/v1/test_object_all.py
@@ -12,11 +12,11 @@
 #
 
 import copy
+import io
 from unittest import mock
 
 from osc_lib import exceptions
 from requests_mock.contrib import fixture
-import six
 
 from openstackclient.object.v1 import object as object_cmds
 from openstackclient.tests.unit.object.v1 import fakes as object_fakes
@@ -241,9 +241,9 @@ class TestObjectSave(TestObjectAll):
 
         parsed_args = self.check_parser(self.cmd, arglist, verifylist)
 
-        class FakeStdout(six.BytesIO):
+        class FakeStdout(io.BytesIO):
             def __init__(self):
-                six.BytesIO.__init__(self)
+                io.BytesIO.__init__(self)
                 self.context_manager_calls = []
 
             def __enter__(self):
diff --git a/openstackclient/tests/unit/utils.py b/openstackclient/tests/unit/utils.py
index 4f1bc46a..4130f18e 100644
--- a/openstackclient/tests/unit/utils.py
+++ b/openstackclient/tests/unit/utils.py
@@ -14,11 +14,11 @@
 #   under the License.
 #
 
+from io import StringIO
 import os
 
 from cliff import columns as cliff_columns
 import fixtures
-from six.moves import StringIO
 import testtools
 
 from openstackclient.tests.unit import fakes