Change '== None' to 'is None'

Authors

@@ -27,6 +27,7 @@ Gabe Westmaas <gabe.westmaas@rackspace.com>
 Hisaharu Ishii <ishii.hisaharu@lab.ntt.co.jp>
 Hisaki Ohara <hisaki.ohara@intel.com>
 Ilya Alekseyev <ialekseev@griddynamics.com>
+Jason Koelker <jason@koelker.net>
 Jay Pipes <jaypipes@gmail.com>
 Jesse Andrews <anotherjesse@gmail.com>
 Joe Heck <heckj@mac.com>

bin/nova-manage

@@ -449,7 +449,7 @@ class FixedIpCommands(object):
         ctxt = context.get_admin_context()
 
         try:
-            if host == None:
+            if host is None:
                 fixed_ips = db.fixed_ip_get_all(ctxt)
             else:
                 fixed_ips = db.fixed_ip_get_all_by_host(ctxt, host)
@@ -499,7 +499,7 @@ class FloatingIpCommands(object):
         """Lists all floating ips (optionally by host)
         arguments: [host]"""
         ctxt = context.get_admin_context()
-        if host == None:
+        if host is None:
             floating_ips = db.floating_ip_get_all(ctxt)
         else:
             floating_ips = db.floating_ip_get_all_by_host(ctxt, host)
@@ -591,7 +591,7 @@ class VmCommands(object):
             _('zone'),
             _('index'))
 
-        if host == None:
+        if host is None:
             instances = db.instance_get_all(context.get_admin_context())
         else:
             instances = db.instance_get_all_by_host(
@@ -864,7 +864,7 @@ class InstanceTypeCommands(object):
         """Lists all active or specific instance types / flavors
         arguments: [name]"""
         try:
-            if name == None:
+            if name is None:
                 inst_types = instance_types.get_all_types()
             elif name == "--all":
                 inst_types = instance_types.get_all_types(True)

nova/auth/manager.py

@@ -268,7 +268,7 @@ class AuthManager(object):
         LOG.debug(_('Looking up user: %r'), access_key)
         user = self.get_user_from_access_key(access_key)
         LOG.debug('user: %r', user)
-        if user == None:
+        if user is None:
             LOG.audit(_("Failed authorization for access key %s"), access_key)
             raise exception.NotFound(_('No user found for access key %s')
                                      % access_key)
@@ -280,7 +280,7 @@ class AuthManager(object):
             project_id = user.name
 
         project = self.get_project(project_id)
-        if project == None:
+        if project is None:
             pjid = project_id
             uname = user.name
             LOG.audit(_("failed authorization: no project named %(pjid)s"
@@ -646,9 +646,9 @@ class AuthManager(object):
         @rtype: User
         @return: The new user.
         """
-        if access == None:
+        if access is None:
             access = str(uuid.uuid4())
-        if secret == None:
+        if secret is None:
             secret = str(uuid.uuid4())
         with self.driver() as drv:
             user_dict = drv.create_user(name, access, secret, admin)

nova/log.py

@@ -106,7 +106,7 @@ logging.addLevelName(AUDIT, 'AUDIT')
 
 
 def _dictify_context(context):
-    if context == None:
+    if context is None:
         return None
     if not isinstance(context, dict) \
     and getattr(context, 'to_dict', None):

nova/tests/test_scheduler.py

@@ -737,7 +737,7 @@ class SimpleDriverTestCase(test.TestCase):
         ret = self.scheduler.driver._live_migration_src_check(self.context,
                                                               i_ref)
 
-        self.assertTrue(ret == None)
+        self.assertTrue(ret is None)
         db.instance_destroy(self.context, instance_id)
         db.service_destroy(self.context, s_ref['id'])
 
@@ -805,7 +805,7 @@ class SimpleDriverTestCase(test.TestCase):
         ret = self.scheduler.driver._live_migration_dest_check(self.context,
                                                              i_ref,
                                                              'somewhere')
-        self.assertTrue(ret == None)
+        self.assertTrue(ret is None)
         db.instance_destroy(self.context, instance_id)
         db.service_destroy(self.context, s_ref['id'])