Merge "Increase readability of 'find()' method and small improvements"

keystoneclient/base.py

@@ -421,22 +421,22 @@ class CrudManager(Manager):
         url = self.build_url(dict_args_in_out=kwargs)
 
         query = self._build_query(kwargs)
-        rl = self._list(
-            '%(url)s%(query)s' % {
+        url_query = '%(url)s%(query)s' % {
             'url': url,
-                'query': query,
-            },
+            'query': query
+        }
+        elements = self._list(
+            url_query,
             self.collection_key)
-        num = len(rl)
 
-        if num == 0:
+        if not elements:
             msg = _("No %(name)s matching %(kwargs)s.") % {
                 'name': self.resource_class.__name__, 'kwargs': kwargs}
             raise ksa_exceptions.NotFound(404, msg)
-        elif num > 1:
+        elif len(elements) > 1:
             raise ksc_exceptions.NoUniqueMatch
         else:
-            return rl[0]
+            return elements[0]
 
 
 class Resource(object):

keystoneclient/service_catalog.py

@@ -327,7 +327,7 @@ class ServiceCatalogV2(ServiceCatalog):
 
     def _normalize_endpoint_type(self, endpoint_type):
         if endpoint_type and 'URL' not in endpoint_type:
-            endpoint_type = endpoint_type + 'URL'
+            endpoint_type += 'URL'
 
         return endpoint_type
 

keystoneclient/session.py

@@ -230,6 +230,7 @@ class Session(object):
 
         logger.debug(' '.join(string_parts))
 
+    # NOTE(artmr): parameter 'original_ip' value is never used
     @positional(enforcement=positional.WARN)
     def request(self, url, method, json=None, original_ip=None,
                 user_agent=None, redirect=None, authenticated=None,

keystoneclient/v3/endpoints.py

@@ -51,7 +51,7 @@ class EndpointManager(base.CrudManager):
     def _validate_interface(self, interface):
         if interface is not None and interface not in VALID_INTERFACES:
             msg = _('"interface" must be one of: %s')
-            msg = msg % ', '.join(VALID_INTERFACES)
+            msg %= ', '.join(VALID_INTERFACES)
             raise exceptions.ValidationError(msg)
 
     @positional(1, enforcement=positional.WARN)