Only raw string literals should be used with _()

Fix a number of places where formatted strings were used with _() (causing
gettext to not match the string) or variables with _() (causing xgettext
to not extract a string)

Also, there's no value in internationalizing an empty string

Change-Id: Iac7dbe46eeaa8ddf03c2a357ecd52f69aa8678aa

nova/notifier/api.py

@@ -112,7 +112,7 @@ def notify(publisher_id, event_type, priority, payload):
     """
     if priority not in log_levels:
         raise BadPriorityException(
-                 _('%s not in valid priorities' % priority))
+                 _('%s not in valid priorities') % priority)
 
     # Ensure everything is JSON serializable.
     payload = utils.to_primitive(payload, convert_instances=True)
@@ -128,5 +128,5 @@ def notify(publisher_id, event_type, priority, payload):
         driver.notify(msg)
     except Exception, e:
         LOG.exception(_("Problem '%(e)s' attempting to "
-                        "send to notification system. Payload=%(payload)s" %
-                        locals()))
+                        "send to notification system. Payload=%(payload)s") %
+                        locals())

nova/rpc/impl_carrot.py

@@ -223,7 +223,7 @@ class Consumer(messaging.Consumer):
         #             persistent failure occurs.
         except Exception, e:  # pylint: disable=W0703
             if not self.failed_connection:
-                LOG.exception(_('Failed to fetch message from queue: %s' % e))
+                LOG.exception(_('Failed to fetch message from queue: %s') % e)
                 self.failed_connection = True
 
 

nova/rpc/impl_kombu.py

@@ -425,7 +425,7 @@ class Connection(object):
         for consumer in self.consumers:
             consumer.reconnect(self.channel)
         LOG.info(_('Connected to AMQP server on '
-                '%(hostname)s:%(port)d' % self.params))
+                '%(hostname)s:%(port)d') % self.params)
 
     def reconnect(self):
         """Handles reconnecting and re-establishing queues.

nova/rpc/impl_qpid.py

@@ -337,12 +337,12 @@ class Connection(object):
             try:
                 self.connection.open()
             except qpid.messaging.exceptions.ConnectionError, e:
-                LOG.error(_('Unable to connect to AMQP server: %s ' % str(e)))
+                LOG.error(_('Unable to connect to AMQP server: %s ') % e)
                 time.sleep(FLAGS.qpid_reconnect_interval or 1)
             else:
                 break
 
-        LOG.info(_('Connected to AMQP server on %s' % self.broker))
+        LOG.info(_('Connected to AMQP server on %s') % self.broker)
 
         self.session = self.connection.session()
 

nova/scheduler/distributed_scheduler.py

@@ -48,7 +48,7 @@ class DistributedScheduler(driver.Scheduler):
 
         NOTE: We're only focused on compute instances right now,
         so this method will always raise NoValidHost()."""
-        msg = _("No host selection for %s defined." % topic)
+        msg = _("No host selection for %s defined.") % topic
         raise exception.NoValidHost(reason=msg)
 
     def schedule_run_instance(self, context, request_spec, *args, **kwargs):
@@ -72,7 +72,7 @@ class DistributedScheduler(driver.Scheduler):
                                         *args, **kwargs)
 
         if not weighted_hosts:
-            raise exception.NoValidHost(reason=_(""))
+            raise exception.NoValidHost(reason="")
 
         # NOTE(comstud): Make sure we do not pass this through.  It
         # contains an instance of RpcContext that cannot be serialized.
@@ -106,7 +106,7 @@ class DistributedScheduler(driver.Scheduler):
         hosts = self._schedule(context, 'compute', request_spec,
                                *args, **kwargs)
         if not hosts:
-            raise exception.NoValidHost(reason=_(""))
+            raise exception.NoValidHost(reason="")
         host = hosts.pop(0)
 
         # NOTE(comstud): Make sure we do not pass this through.  It

nova/scheduler/vsa.py

@@ -181,7 +181,7 @@ class VsaScheduler(simple.SimpleScheduler):
                                                             selected_hosts,
                                                             unique)
         if host is None:
-            raise exception.NoValidHost(reason=_(""))
+            raise exception.NoValidHost(reason="")
 
         return (host, qos_cap)
 

nova/tests/test_xenapi.py

@@ -633,8 +633,8 @@ class XenAPIVMTestCase(test.TestCase):
 
             # mount point will be the last item of the command list
             self._tmpdir = cmd[len(cmd) - 1]
-            LOG.debug(_('Creating files in %s to simulate guest agent' %
-                self._tmpdir))
+            LOG.debug(_('Creating files in %s to simulate guest agent') %
+                self._tmpdir)
             os.makedirs(os.path.join(self._tmpdir, 'usr', 'sbin'))
             # Touch the file using open
             open(os.path.join(self._tmpdir, 'usr', 'sbin',
@@ -644,8 +644,8 @@ class XenAPIVMTestCase(test.TestCase):
         def _umount_handler(cmd, *ignore_args, **ignore_kwargs):
             # Umount would normall make files in the m,ounted filesystem
             # disappear, so do that here
-            LOG.debug(_('Removing simulated guest agent files in %s' %
-                self._tmpdir))
+            LOG.debug(_('Removing simulated guest agent files in %s') %
+                self._tmpdir)
             os.remove(os.path.join(self._tmpdir, 'usr', 'sbin',
                 'xe-update-networking'))
             os.rmdir(os.path.join(self._tmpdir, 'usr', 'sbin'))