Sync from oslo-incubator

Pulling in changes to remove oslo namespace in _i18n module
and the list_opts for better configuration support with
oslo-config-generator in versionutils module

(Tip of oslo-incubator is change id - Id69701978d7a1701885bf17507a1f369e1035747)

Change-Id: Ibc793966fb442a870785186257ab44f1afc3e0b1

oslo_versionedobjects/openstack/common/_i18n.py

@@ -17,14 +17,14 @@ See http://docs.openstack.org/developer/oslo.i18n/usage.html
 """
 
 try:
-    import oslo.i18n
+    import oslo_i18n
 
     # NOTE(dhellmann): This reference to o-s-l-o will be replaced by the
     # application name when this module is synced into the separate
     # repository. It is OK to have more than one translation function
     # using the same domain, since there will still only be one message
     # catalog.
-    _translators = oslo.i18n.TranslatorFactory(domain='oslo_versionedobjects')
+    _translators = oslo_i18n.TranslatorFactory(domain='oslo_versionedobjects')
 
     # The primary translation function using the well-known name "_"
     _ = _translators.primary

oslo_versionedobjects/openstack/common/versionutils.py

@@ -17,11 +17,12 @@
 Helpers for comparing version strings.
 """
 
+import copy
 import functools
 import inspect
 import logging
 
-from oslo.config import cfg
+from oslo_config import cfg
 import pkg_resources
 import six
 
@@ -32,13 +33,19 @@ LOG = logging.getLogger(__name__)
 CONF = cfg.CONF
 
 
-opts = [
+deprecated_opts = [
     cfg.BoolOpt('fatal_deprecations',
                 default=False,
                 help='Enables or disables fatal status of deprecations.'),
 ]
 
 
+def list_opts():
+    """Entry point for oslo.config-generator.
+    """
+    return [(None, copy.deepcopy(deprecated_opts))]
+
+
 class deprecated(object):
     """A decorator to mark callables as deprecated.
 
@@ -83,6 +90,7 @@ class deprecated(object):
     ICEHOUSE = 'I'
     JUNO = 'J'
     KILO = 'K'
+    LIBERTY = 'L'
 
     _RELEASES = {
         # NOTE(morganfainberg): Bexar is used for unit test purposes, it is
@@ -94,6 +102,7 @@ class deprecated(object):
         'I': 'Icehouse',
         'J': 'Juno',
         'K': 'Kilo',
+        'L': 'Liberty',
     }
 
     _deprecated_msg_with_alternative = _(
@@ -230,7 +239,7 @@ def report_deprecated_feature(logger, msg, *args, **kwargs):
              fatal deprecations.
     """
     stdmsg = _("Deprecated: %s") % msg
-    CONF.register_opts(opts)
+    CONF.register_opts(deprecated_opts)
     if CONF.fatal_deprecations:
         logger.critical(stdmsg, *args, **kwargs)
         raise DeprecatedConfig(msg=stdmsg)