Refactor loop to only calculate the full_path once

lib/ansible/utils/plugins.py

@@ -176,19 +176,18 @@ class PluginLoader(object):
         found = None
         for path in [p for p in self._get_paths() if p not in self._searched_paths]:
             if os.path.isdir(path):
-                for potential_file in (f for f in os.listdir(path)
-                                       if os.path.isfile(os.path.join(path, f))):
+                full_paths = (os.path.join(path, f) for f in os.listdir(path))
+                for full_path in (f for f in full_paths if os.path.isfile(f)):
                     for suffix in suffixes:
-                        if potential_file.endswith(suffix):
-                            full_path = os.path.join(path, potential_file)
+                        if full_path.endswith(suffix):
                             full_name = os.path.basename(full_path)
                             break
                     else: # Yes, this is a for-else: http://bit.ly/1ElPkyg
                         continue
-    
+
                     if full_name not in self._plugin_path_cache:
                         self._plugin_path_cache[full_name] = full_path
-    
+
             self._searched_paths.add(path)
             for full_name in potential_names:
                 if full_name in self._plugin_path_cache: