From 4a28c88946151decab069120de4361351acbdcec Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@gitorious>
Date: Thu, 23 Apr 2015 17:12:02 +0200
Subject: [PATCH] atomic write wallet file

---
 lib/wallet.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/wallet.py b/lib/wallet.py
index 2c344efd..d6e8fcd6 100644
--- a/lib/wallet.py
+++ b/lib/wallet.py
@@ -136,8 +136,9 @@ class WalletStorage(object):
     def write(self):
         assert not threading.currentThread().isDaemon()
         s = json.dumps(self.data, indent=4, sort_keys=True)
-        with open(self.path,"w") as f:
+        with open(self.path + '.tmp', "w") as f:
             f.write(s)
+        os.rename(self.path + '.tmp', self.path)
         if 'ANDROID_DATA' not in os.environ:
             import stat
             os.chmod(self.path,stat.S_IREAD | stat.S_IWRITE)