[pyatspi2/p2p: 7/8] Do not reinitialize shared bus instances

[Mike Gorse <mgorse src gnome org>]

commit 2bad2c9e821fddf73506459844df568210b51a96
Author: Mike Gorse <mgorse novell com>
Date:   Fri Oct 1 18:15:19 2010 -0400

    Do not reinitialize shared bus instances

 pyatspi/busutils/bus.py |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/pyatspi/busutils/bus.py b/pyatspi/busutils/bus.py
index 6d84c50..5338f79 100644
--- a/pyatspi/busutils/bus.py
+++ b/pyatspi/busutils/bus.py
@@ -136,6 +136,11 @@ class AsyncAccessibilityBus (_AccessibilityBus):
                 return AsyncAccessibilityBus._shared_instances[address]
 
 	def __init__ (self, registry, address = None):
+		try:
+			if self.inited:
+				return
+		except:
+			self.inited = True
                 if address is None:
                         try:
                                 address = _get_accessibility_bus_address()
@@ -169,6 +174,11 @@ class SyncAccessibilityBus (_bus.BusConnection):
 
 	def __init__ (self, registry):
 		try:
+			if self.inited:
+				return
+		except:
+			self.inited = True
+		try:
 			_bus.BusConnection.__init__ (self, _get_accessibility_bus_address(), None)
 		except AttributeError:
 			_bus.BusConnection.__init__ (self, _bus.BusConnection.TYPE_SESSION, None)