Added i18n support

A new module i18n  has been added.
Errors.py has been translated.

Closes-Bug: #1391157

Change-Id: Ib315a19770ef38c50de7432a993897956d28d0fb

requirements.txt

@@ -7,4 +7,7 @@ six>=1.7.0
 stevedore>=1.1.0  # Apache-2.0
 jsonschema>=2.0.0,<3.0.0
 
+# Oslo Packages
+oslo.i18n>=1.0.0  # Apache-2.0
+
 python-keystoneclient>=0.11.1

zaqarclient/_i18n.py

@@ -0,0 +1,31 @@
+# Copyright 2014 Red Hat, Inc
+# 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.
+
+from oslo.i18n import *  # noqa
+
+_translators = TranslatorFactory(domain='zaqarclient')
+
+# The primary translation function using the well-known name "_"
+_ = _translators.primary
+
+# 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

zaqarclient/errors.py

@@ -12,6 +12,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from zaqarclient._i18n import _  # noqa
+
 __all__ = ['ZaqarError', 'DriverLoadFailure', 'InvalidOperation']
 
 
@@ -23,7 +25,8 @@ class DriverLoadFailure(ZaqarError):
     """Raised if a transport driver can't be loaded."""
 
     def __init__(self, driver, ex):
-        msg = 'Failed to load transport driver "%s": %s' % (driver, ex)
+        msg = (_('Failed to load transport driver "%(driver)s": %(error)s') %
+               {'driver': driver, 'error': ex})
         super(DriverLoadFailure, self).__init__(msg)
         self.driver = driver
         self.ex = ex