From: Zac Medico <zmedico@gentoo.org>
Date: Fri, 28 Dec 2012 22:31:10 +0000 (-0800)
Subject: _ctypes: don't cache library, bug #448858
X-Git-Tag: v2.2.0_alpha150~80
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=9e37cca4f54260bd8c45a3041fcee00938c71649;p=portage.git

_ctypes: don't cache library, bug #448858
---

diff --git a/pym/portage/util/_ctypes.py b/pym/portage/util/_ctypes.py
index 4e5aa2a6b..f419b1926 100644
--- a/pym/portage/util/_ctypes.py
+++ b/pym/portage/util/_ctypes.py
@@ -31,17 +31,15 @@ def find_library(name):
 		return None
 	return filename
 
-_library_handles = {}
-
 def LoadLibrary(name):
 	"""
 	Calls ctypes.cdll.LoadLibrary(name) if the ctypes module is available,
-	and otherwise returns None. Results are cached for future invocations.
+	and otherwise returns None. Results are not cached, since that can
+	cause problems when libraries are updated (see bug #448858).
 	"""
-	handle = _library_handles.get(name)
+	handle = None
 
-	if handle is None and ctypes is not None:
+	if ctypes is not None:
 		handle = ctypes.cdll.LoadLibrary(name)
-		_library_handles[name] = handle
 
 	return handle