Make method import_versioned_module work

Update function import_versioned_module in Oslo.utils 3.17.
This patch update to meet new version. For more information:
http://docs.openstack.org/developer/oslo.utils/history.html

Change-Id: Ia031b53b27fcea66dbf4f2798d58b51c53c2d0cc
Closes-Bug: #1627313

Author: TuanLAF

ceilometerclient/client.py

@@ -19,10 +19,10 @@
 from keystoneauth1.identity import v2 as v2_auth
 from keystoneauth1.identity import v3 as v3_auth
 from keystoneauth1 import session
+from oslo_utils import importutils
 from oslo_utils import strutils
 import six.moves.urllib.parse as urlparse
 
-from ceilometerclient.common import utils
 from ceilometerclient import exc
 from ceilometerclient.openstack.common.apiclient import auth
 from ceilometerclient.openstack.common.apiclient import client
@@ -308,7 +308,8 @@ def _adjust_kwargs(kwargs):
 def Client(version, *args, **kwargs):
     client_kwargs = _adjust_kwargs(kwargs)
 
-    module = utils.import_versioned_module(version, 'client')
+    module = importutils.import_versioned_module('ceilometerclient',
+                                                 version, 'client')
     client_class = getattr(module, 'Client')
     return client_class(*args, **client_kwargs)
 

ceilometerclient/common/utils.py

@@ -20,7 +20,6 @@
 
 from oslo_serialization import jsonutils
 from oslo_utils import encodeutils
-from oslo_utils import importutils
 import prettytable
 import six
 
@@ -140,13 +139,6 @@ def print_dict(d, dict_property="Property", wrap=0):
     print(encoded)
 
 
-def import_versioned_module(version, submodule=None):
-    module = 'ceilometerclient.v%s' % version
-    if submodule:
-        module = '.'.join((module, submodule))
-    return importutils.import_module(module)
-
-
 def args_array_to_dict(kwargs, key_to_convert):
     values_to_convert = kwargs.get(key_to_convert)
     if values_to_convert:

ceilometerclient/shell.py

@@ -21,6 +21,7 @@
 import sys
 
 from oslo_utils import encodeutils
+from oslo_utils import importutils
 import six
 
 import ceilometerclient
@@ -112,7 +113,8 @@ def get_subcommand_parser(self, version):
 
         self.subcommands = {}
         subparsers = parser.add_subparsers(metavar='<subcommand>')
-        submodule = utils.import_versioned_module(version, 'shell')
+        submodule = importutils.import_versioned_module('ceilometerclient',
+                                                        version, 'shell')
         self._find_actions(subparsers, submodule)
         self._find_actions(subparsers, self)
         self._add_bash_completion_subparser(subparsers)

requirements.txt

@@ -6,7 +6,7 @@ iso8601>=0.1.11 # MIT
 keystoneauth1>=2.1.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
-oslo.utils>=3.5.0 # Apache-2.0
+oslo.utils>=3.17.0 # Apache-2.0
 PrettyTable<0.8,>=0.7 # BSD
 requests!=2.9.0,>=2.8.1 # Apache-2.0
 six>=1.9.0 # MIT