Switch to internal _i18n pattern, as per oslo_i18n guidelines

- Guidelines referenced from:
  http://docs.openstack.org/developer/oslo.i18n/usage.html

Change-Id: Iac380e55ee0e21f40d14acdd1bcba2cb8cc8c826
Partially-Closes-Bug: #1519493

neutron_lbaas/_i18n.py

@@ -0,0 +1,42 @@
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import oslo_i18n
+
+DOMAIN = "neutron-lbaas"
+
+_translators = oslo_i18n.TranslatorFactory(domain=DOMAIN)
+
+# The primary translation function using the well-known name "_"
+_ = _translators.primary
+
+# The contextual translation function using the name "_C"
+_C = _translators.contextual_form
+
+# The plural translation function using the name "_P"
+_P = _translators.plural_form
+
+# Translators for log levels.
+#
+# The abbreviated names are meant to reflect the usual use of a short
+# name like '_'. The "L" is for "log" and the other letter comes from
+# the level.
+_LI = _translators.log_info
+_LW = _translators.log_warning
+_LE = _translators.log_error
+_LC = _translators.log_critical
+
+
+def get_available_languages():
+    return oslo_i18n.get_available_languages(DOMAIN)

neutron_lbaas/agent/agent_manager.py

@@ -16,7 +16,6 @@
 from neutron.agent import rpc as agent_rpc
 from neutron.common import exceptions as n_exc
 from neutron import context as ncontext
-from neutron.i18n import _LE, _LI
 from neutron.plugins.common import constants
 from neutron.services import provider_configuration as provconfig
 from oslo_config import cfg
@@ -26,6 +25,7 @@ from oslo_service import loopingcall
 from oslo_service import periodic_task
 from oslo_utils import importutils
 
+from neutron_lbaas._i18n import _LE, _LI
 from neutron_lbaas.agent import agent_api
 from neutron_lbaas.drivers.common import agent_driver_base
 from neutron_lbaas.services.loadbalancer import constants as lb_const

neutron_lbaas/agent_scheduler.py

@@ -18,13 +18,13 @@ import random
 from neutron.db import agents_db
 from neutron.db import agentschedulers_db
 from neutron.db import model_base
-from neutron.i18n import _LW
 from oslo_log import log as logging
 import six
 import sqlalchemy as sa
 from sqlalchemy import orm
 from sqlalchemy.orm import joinedload
 
+from neutron_lbaas._i18n import _LW
 from neutron_lbaas.extensions import lbaas_agentschedulerv2
 from neutron_lbaas.services.loadbalancer import constants as lb_const
 

neutron_lbaas/common/cert_manager/barbican_cert_manager.py

@@ -13,12 +13,12 @@
 #    under the License.
 
 from barbicanclient import client as barbican_client
-from neutron.i18n import _LI, _LW, _LE
 from neutron.plugins.common import constants
 from oslo_config import cfg
 from oslo_log import log as logging
 from oslo_utils import excutils
 
+from neutron_lbaas._i18n import _LI, _LW, _LE
 from neutron_lbaas.common.cert_manager import cert_manager
 from neutron_lbaas.common import keystone
 

neutron_lbaas/common/cert_manager/local_cert_manager.py

@@ -15,10 +15,10 @@
 import os
 import uuid
 
-from neutron.i18n import _LI, _LE
 from oslo_config import cfg
 from oslo_log import log as logging
 
+from neutron_lbaas._i18n import _LI, _LE
 from neutron_lbaas.common.cert_manager import cert_manager
 from neutron_lbaas.common import exceptions
 

neutron_lbaas/common/exceptions.py

@@ -18,7 +18,8 @@ Neutron Lbaas base exception handling.
 """
 
 from neutron.common import exceptions
-from neutron.i18n import _LE
+
+from neutron_lbaas._i18n import _LE
 
 
 class LbaasException(exceptions.NeutronException):

neutron_lbaas/common/keystone.py

@@ -19,7 +19,7 @@ from oslo_config import cfg
 from oslo_log import log as logging
 from oslo_utils import excutils
 
-from neutron.i18n import _LE
+from neutron_lbaas._i18n import _LE
 
 
 LOG = logging.getLogger(__name__)

neutron_lbaas/db/loadbalancer/loadbalancer_db.py

@@ -23,7 +23,6 @@ from neutron.db import common_db_mixin as base_db
 from neutron.db import model_base
 from neutron.db import models_v2
 from neutron.db import servicetype_db as st_db
-from neutron.i18n import _LE
 from neutron import manager
 from neutron.plugins.common import constants
 from oslo_db import exception
@@ -35,6 +34,7 @@ from sqlalchemy import orm
 from sqlalchemy.orm import exc
 from sqlalchemy.orm import validates
 
+from neutron_lbaas._i18n import _LE
 from neutron_lbaas.extensions import loadbalancer
 from neutron_lbaas.services.loadbalancer import constants as lb_const
 

neutron_lbaas/drivers/common/agent_callbacks.py

@@ -14,11 +14,11 @@
 
 from neutron.common import exceptions as n_exc
 from neutron.extensions import portbindings
-from neutron.i18n import _LW
 from neutron.plugins.common import constants
 from oslo_log import log as logging
 import oslo_messaging as messaging
 
+from neutron_lbaas._i18n import _LW
 from neutron_lbaas.db.loadbalancer import loadbalancer_dbv2
 from neutron_lbaas.db.loadbalancer import models as db_models
 from neutron_lbaas.services.loadbalancer import data_models

neutron_lbaas/drivers/haproxy/namespace_driver.py

@@ -22,12 +22,12 @@ from neutron.agent.linux import ip_lib
 from neutron.agent.linux import utils as linux_utils
 from neutron.common import exceptions
 from neutron.common import utils as n_utils
-from neutron.i18n import _LI, _LE, _LW
 from neutron.plugins.common import constants
 from oslo_config import cfg
 from oslo_log import log as logging
 from oslo_utils import excutils
 
+from neutron_lbaas._i18n import _LI, _LE, _LW
 from neutron_lbaas.agent import agent_device_driver
 from neutron_lbaas.services.loadbalancer import constants as lb_const
 from neutron_lbaas.services.loadbalancer import data_models

neutron_lbaas/drivers/haproxy/synchronous_namespace_driver.py

@@ -24,7 +24,6 @@ from neutron.common import exceptions
 from neutron.common import utils as n_utils
 from neutron import context as ncontext
 from neutron.extensions import portbindings
-from neutron.i18n import _LE, _LW
 from neutron.plugins.common import constants
 from oslo_config import cfg
 from oslo_log import helpers as log_helpers
@@ -32,6 +31,7 @@ from oslo_log import log as logging
 from oslo_service import service
 from oslo_utils import excutils
 
+from neutron_lbaas._i18n import _LE, _LW
 from neutron_lbaas.drivers import driver_base
 from neutron_lbaas.extensions import loadbalancerv2
 from neutron_lbaas.services.loadbalancer.agent import agent as lb_agent

neutron_lbaas/drivers/netscaler/netscaler_driver_v2.py

@@ -20,10 +20,10 @@ from oslo_log import log as logging
 
 
 from neutron import context as ncontext
-from neutron.i18n import _LE
 from neutron.plugins.common import constants
 from oslo_service import service
 
+from neutron_lbaas._i18n import _LE
 from neutron_lbaas.drivers import driver_base
 from neutron_lbaas.drivers.driver_mixins import BaseManagerMixin
 from neutron_lbaas.services.loadbalancer.drivers.netscaler import ncc_client

neutron_lbaas/drivers/radware/exceptions.py

@@ -13,8 +13,7 @@
 #    under the License.
 
 
-from neutron.i18n import _LE
-
+from neutron_lbaas._i18n import _LE
 from neutron_lbaas.common import exceptions
 
 

neutron_lbaas/drivers/radware/rest_client.py

@@ -15,11 +15,11 @@
 import base64
 import httplib
 
-from neutron.i18n import _LE, _LW
 from oslo_log import helpers as log_helpers
 from oslo_log import log as logging
 from oslo_serialization import jsonutils
 
+from neutron_lbaas._i18n import _LE, _LW
 from neutron_lbaas.drivers.radware import exceptions as r_exc
 
 LOG = logging.getLogger(__name__)

neutron_lbaas/drivers/radware/v2_driver.py

@@ -19,7 +19,6 @@ import time
 
 from neutron.api.v2 import attributes
 from neutron import context
-from neutron.i18n import _LE, _LW, _LI
 from neutron.plugins.common import constants
 from oslo_config import cfg
 from oslo_log import helpers as log_helpers
@@ -27,6 +26,7 @@ from oslo_log import log as logging
 from oslo_utils import excutils
 from six.moves import queue as Queue
 
+from neutron_lbaas._i18n import _LE, _LW, _LI
 import neutron_lbaas.common.cert_manager
 from neutron_lbaas.drivers.radware import base_v2_driver
 from neutron_lbaas.drivers.radware import exceptions as r_exc

neutron_lbaas/services/loadbalancer/agent/agent_manager.py

@@ -16,7 +16,6 @@ from neutron.agent import rpc as agent_rpc
 from neutron.common import constants as n_const
 from neutron.common import exceptions as n_exc
 from neutron import context as ncontext
-from neutron.i18n import _LE, _LI
 from neutron.plugins.common import constants as np_const
 from neutron.services import provider_configuration as provconfig
 from oslo_config import cfg
@@ -26,6 +25,7 @@ from oslo_service import loopingcall
 from oslo_service import periodic_task
 from oslo_utils import importutils
 
+from neutron_lbaas._i18n import _LE, _LI
 from neutron_lbaas.services.loadbalancer.agent import agent_api
 from neutron_lbaas.services.loadbalancer import constants as l_const
 

neutron_lbaas/services/loadbalancer/agent_scheduler.py

@@ -20,7 +20,6 @@ from neutron.common import constants
 from neutron.db import agents_db
 from neutron.db import agentschedulers_db
 from neutron.db import model_base
-from neutron.i18n import _LW
 from oslo_log import log as logging
 import six
 import sqlalchemy as sa
@@ -28,6 +27,7 @@ from sqlalchemy import orm
 from sqlalchemy.orm import joinedload
 
 from abc import abstractmethod
+from neutron_lbaas._i18n import _LW
 from neutron_lbaas.extensions import lbaas_agentscheduler
 
 LOG = logging.getLogger(__name__)

neutron_lbaas/services/loadbalancer/drivers/common/agent_driver_base.py

@@ -19,7 +19,6 @@ from neutron.common import exceptions as n_exc
 from neutron.common import rpc as n_rpc
 from neutron.db import agents_db
 from neutron.extensions import portbindings
-from neutron.i18n import _LW
 from neutron.plugins.common import constants as np_const
 from neutron.services import provider_configuration as provconf
 from oslo_config import cfg
@@ -27,6 +26,7 @@ from oslo_log import log as logging
 import oslo_messaging
 from oslo_utils import importutils
 
+from neutron_lbaas._i18n import _LW
 from neutron_lbaas.db.loadbalancer import loadbalancer_db
 from neutron_lbaas.extensions import lbaas_agentscheduler
 from neutron_lbaas.services.loadbalancer import constants as l_const

neutron_lbaas/services/loadbalancer/drivers/haproxy/namespace_driver.py

@@ -21,12 +21,12 @@ from neutron.agent.linux import ip_lib
 from neutron.agent.linux import utils
 from neutron.common import exceptions
 from neutron.common import utils as n_utils
-from neutron.i18n import _LE, _LW
 from neutron.plugins.common import constants
 from oslo_config import cfg
 from oslo_log import log as logging
 from oslo_utils import excutils
 
+from neutron_lbaas._i18n import _LE, _LW
 from neutron_lbaas.services.loadbalancer.agent import agent_device_driver
 from neutron_lbaas.services.loadbalancer import constants as lb_const
 from neutron_lbaas.services.loadbalancer.drivers.haproxy import cfg as hacfg

neutron_lbaas/services/loadbalancer/drivers/haproxy/synchronous_namespace_driver.py

@@ -12,9 +12,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from neutron.i18n import _LW
 from oslo_log import log as logging
 
+from neutron_lbaas._i18n import _LW
 from neutron_lbaas.drivers.haproxy import synchronous_namespace_driver
 
 LOG = logging.getLogger(__name__)

neutron_lbaas/services/loadbalancer/drivers/logging_noop/__init__.py

@@ -12,9 +12,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from neutron.i18n import _LW
 from oslo_log import log as logging
 
+from neutron_lbaas._i18n import _LW
 from neutron_lbaas.drivers import logging_noop
 
 LOG = logging.getLogger(__name__)

neutron_lbaas/services/loadbalancer/drivers/netscaler/ncc_client.py

@@ -1,3 +1,4 @@
+
 # Copyright 2014 Citrix Systems
 #
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -15,11 +16,11 @@
 import requests
 
 from neutron.common import exceptions as n_exc
-from neutron.i18n import _LE
-from neutron.i18n import _LI
 from oslo_log import log as logging
 from oslo_serialization import jsonutils
 
+from neutron_lbaas._i18n import _LE, _LI
+
 LOG = logging.getLogger(__name__)
 
 CONTENT_TYPE_HEADER = 'Content-type'

neutron_lbaas/services/loadbalancer/drivers/netscaler/netscaler_driver.py

@@ -13,11 +13,11 @@
 #    under the License.
 
 from neutron.api.v2 import attributes
-from neutron.i18n import _LI
 from neutron.plugins.common import constants
 from oslo_config import cfg
 from oslo_log import log as logging
 
+from neutron_lbaas._i18n import _LI
 from neutron_lbaas.db.loadbalancer import loadbalancer_db
 from neutron_lbaas.services.loadbalancer.drivers import abstract_driver
 from neutron_lbaas.services.loadbalancer.drivers.netscaler import ncc_client

neutron_lbaas/services/loadbalancer/drivers/radware/driver.py

@@ -25,7 +25,6 @@ eventlet.monkey_patch(thread=True)
 
 from neutron.api.v2 import attributes
 from neutron import context as ncontext
-from neutron.i18n import _LE, _LI, _LW
 from neutron.plugins.common import constants
 from oslo_config import cfg
 from oslo_log import helpers as log_helpers
@@ -34,6 +33,7 @@ from oslo_serialization import jsonutils
 from oslo_utils import excutils
 from six.moves import queue as Queue
 
+from neutron_lbaas._i18n import _LE, _LI, _LW
 from neutron_lbaas.db.loadbalancer import loadbalancer_db as lb_db
 from neutron_lbaas.extensions import loadbalancer
 from neutron_lbaas.services.loadbalancer.drivers import abstract_driver

neutron_lbaas/services/loadbalancer/plugin.py

@@ -19,7 +19,6 @@ from neutron.api.v2 import attributes as attrs
 from neutron.common import exceptions as n_exc
 from neutron import context as ncontext
 from neutron.db import servicetype_db as st_db
-from neutron.i18n import _LI, _LE
 from neutron.plugins.common import constants
 from neutron.services import provider_configuration as pconf
 from neutron.services import service_base
@@ -27,6 +26,7 @@ from oslo_config import cfg
 from oslo_log import log as logging
 from oslo_utils import excutils
 
+from neutron_lbaas._i18n import _LI, _LE
 from neutron_lbaas import agent_scheduler as agent_scheduler_v2
 import neutron_lbaas.common.cert_manager
 from neutron_lbaas.common.tls_utils import cert_parser

neutron_lbaas/tests/tempest/v2/api/base.py

@@ -15,11 +15,10 @@
 import os
 import time
 
-from neutron.i18n import _, _LI
 from oslo_log import log as logging
 from tempest_lib import exceptions
 
-# from neutron_lbaas.tests.tempest.lib import clients as tempest_clients
+from neutron_lbaas._i18n import _, _LI
 from neutron_lbaas.tests.tempest.lib import config
 from neutron_lbaas.tests.tempest.v1.api import base
 from neutron_lbaas.tests.tempest.v2.clients import health_monitors_client

neutron_lbaas/tests/tempest/v2/scenario/manager.py

@@ -17,7 +17,6 @@
 import subprocess
 
 import netaddr
-from neutron.i18n import _LI, _LW, _LE
 from oslo_log import log
 import six
 from tempest_lib.common.utils import data_utils
@@ -25,6 +24,7 @@ from tempest_lib.common.utils import misc as misc_utils
 from tempest_lib import exceptions as lib_exc
 from tempest_lib import exceptions
 
+from neutron_lbaas._i18n import _LI, _LW, _LE
 from neutron_lbaas.tests.tempest.lib.common import fixed_network
 from neutron_lbaas.tests.tempest.lib.common.utils.linux import remote_client
 from neutron_lbaas.tests.tempest.lib import config

tox.ini

@@ -60,7 +60,7 @@ builtins = _
 exclude = .venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build,tools,.ropeproject,rally-scenarios,neutron_lbaas/tests/tempest/lib,neutron_lbaas/tests/tempest/v1/api
 
 [hacking]
-import_exceptions = neutron.i18n
+import_exceptions = neutron_lbaas._i18n
 local-check-factory = neutron.hacking.checks.factory
 
 # If you are running the tests locally you should set the env variable