From eac4b44546f04fa25c62a7bc5e0dbd5ae28afa54 Mon Sep 17 00:00:00 2001
From: Nicolas Dumazet <nicolas.dumazet@nexedi.com>
Date: Thu, 1 Jul 2010 01:47:06 +0000
Subject: [PATCH] dict.setdefault is a nice way to do this

git-svn-id: https://svn.erp5.org/repos/public/erp5/sandbox/amount_generator@36760 20353a03-c40f-0410-a6d1-a30d3c3de9de
---
 product/ERP5/ExplanationCache.py | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/product/ERP5/ExplanationCache.py b/product/ERP5/ExplanationCache.py
index 3f220d86e5..21a1db3e0f 100644
--- a/product/ERP5/ExplanationCache.py
+++ b/product/ERP5/ExplanationCache.py
@@ -116,9 +116,7 @@ class ExplanationCache:
       simulation_movement_id = simulation_movement.getId()
       insert_movement = True
       for path_id in container_path:
-        if local_path_dict.get(path_id, None) is None:
-          local_path_dict[path_id] = dict()
-        local_path_dict = local_path_dict[path_id]
+        local_path_dict = local_path_dict.setdefault(path_id, {})
         if type(local_path_dict) is not types.DictType:
           # A movement was already inserted
           insert_movement = False
@@ -300,4 +298,4 @@ def _getUnionBusinessProcess(explanation):
   which are involved in the simulation trees related to explanation
   """
   explanation_cache = _getExplanationCache(explanation)
-  return explanation_cache.getUnionBusinessProcess()
\ No newline at end of file
+  return explanation_cache.getUnionBusinessProcess()
-- 
2.30.9