Remove six.moves

Remove six.moves Replace the following items with Python 3 style code.
- six.moves.urllib
- six.moves.http_client
- six.moves.configparser
- six.moves.cStringIO

Change-Id: I004b6b9a81079c67451395bfe31ec75d58802c16

run_tests.py

@@ -25,7 +25,7 @@ import traceback
 import eventlet
 from oslo_log import log as logging
 import proboscis
-from six.moves import urllib
+import urllib
 import wsgi_intercept
 from wsgi_intercept.httplib2_intercept import install as wsgi_install
 

tools/trove-pylint.py

@@ -15,6 +15,7 @@
 import fnmatch
 import json
 from collections import OrderedDict
+import io
 import os
 import re
 import six
@@ -22,7 +23,6 @@ import sys
 
 from pylint import lint
 from pylint.reporters import text
-from six.moves import cStringIO as csio
 
 DEFAULT_CONFIG_FILE = "tools/trove-pylint.config"
 DEFAULT_IGNORED_FILES = ['trove/tests']
@@ -210,7 +210,7 @@ class LintRunner(object):
     def dolint(self, filename):
         exceptions = set()
 
-        buffer = csio()
+        buffer = io.StringIO()
         reporter = ParseableTextReporter(output=buffer)
         options = list(self.config.get('options'))
         options.append(filename)

trove/common/limits.py

@@ -23,9 +23,9 @@ import math
 import re
 import time
 
+from http import client as http_client
 from oslo_serialization import jsonutils
 from oslo_utils import importutils
-from six.moves import http_client
 import webob.dec
 import webob.exc
 

trove/common/stream_codecs.py

@@ -16,12 +16,12 @@
 import abc
 import ast
 import csv
+import configparser
 import io
 import re
 import sys
 
 import six
-from six.moves import configparser
 import xmltodict
 import yaml
 

trove/guestagent/datastore/mysql_common/service.py

@@ -18,10 +18,10 @@ import re
 from oslo_log import log as logging
 from oslo_utils import encodeutils
 import six
-from six.moves import urllib
 import sqlalchemy
 from sqlalchemy import exc
 from sqlalchemy.sql.expression import text
+import urllib
 
 from trove.common import cfg
 from trove.common import exception

trove/tests/fakes/swift.py

@@ -13,6 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from http import client as http_client
 from hashlib import md5
 from unittest.mock import MagicMock, patch
 import json
@@ -24,7 +25,6 @@ import uuid
 
 from oslo_log import log as logging
 import six
-from six.moves import http_client
 from swiftclient import client as swift
 
 

trove/tests/unittests/api/common/test_extensions.py

@@ -13,12 +13,11 @@
 #    under the License.
 
 
+import configparser
 import os
 import pkg_resources
 from unittest import mock
 
-from six.moves import configparser as config_parser
-
 import trove
 from trove.common import extensions
 from trove.extensions.routes.mgmt import Mgmt
@@ -76,7 +75,7 @@ class TestExtensionLoading(trove_testtools.TestCase):
         setup_path = "%s/setup.cfg" % trove_base
         # check if we are running as unit test without module installed
         if os.path.isfile(setup_path):
-            parser = config_parser.ConfigParser()
+            parser = configparser.ConfigParser()
             parser.read(setup_path)
             entry_points = parser.get(
                 'entry_points', extensions.ExtensionManager.EXT_NAMESPACE)

trove/tests/unittests/api/common/test_limits.py

@@ -18,10 +18,10 @@ Tests dealing with HTTP rate-limiting.
 """
 
 
+from http import client as http_client
 from unittest.mock import Mock, MagicMock, patch
 from oslo_serialization import jsonutils
 import six
-from six.moves import http_client
 import webob
 
 from trove.common import limits