From 4fc706705521cd8fed60a0403c903a377516ea95 Mon Sep 17 00:00:00 2001
From: "Roger E. Masse" <rmasse@newcnri.cnri.reston.va.us>
Date: Tue, 25 Mar 1997 16:06:03 +0000
Subject: [PATCH] Added a 'sync' method to shelve.  If the underlying database
 does not have a sync attribute, this method silently ignores this fact.  The
 default (bsddb's dbhash) does.

---
 Lib/shelve.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Lib/shelve.py b/Lib/shelve.py
index b05c627379a..8f709a233a0 100644
--- a/Lib/shelve.py
+++ b/Lib/shelve.py
@@ -72,6 +72,10 @@ class Shelf:
 	def __del__(self):
 		self.close()
 
+	def sync(self):
+		if hasattr(self.dict, 'sync'):
+			self.dict.sync()
+	    
 
 class BsdDbShelf(Shelf):
 	"""Shelf implementation using the "BSD" db interface.