From: Zac Medico <zmedico@gentoo.org>
Date: Sun, 10 Dec 2006 11:41:17 +0000 (-0000)
Subject: To minimize memory consumption and maximize performance, use hash values for cache... 
X-Git-Tag: v2.1.2~327
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=b2bb670b019ad5e15097578bec75ea36ff5586d6;p=portage.git

To minimize memory consumption and maximize performance, use hash values for cache keys.

svn path=/main/trunk/; revision=5260
---

diff --git a/pym/portage_dep.py b/pym/portage_dep.py
index d665507a6..5eacb8368 100644
--- a/pym/portage_dep.py
+++ b/pym/portage_dep.py
@@ -501,7 +501,8 @@ def match_from_list(mydep, candidate_list):
 	"""
 
 	global _match_from_list_cache
-	mylist = _match_from_list_cache.get((mydep, tuple(candidate_list)), None)
+	mylist = _match_from_list_cache.get(
+		hash((mydep, tuple(candidate_list))), None)
 	if mylist is not None:
 		return mylist[:]
 
@@ -600,5 +601,5 @@ def match_from_list(mydep, candidate_list):
 	else:
 		raise KeyError("Unknown operator: %s" % mydep)
 
-	_match_from_list_cache[(mydep, tuple(candidate_list))] = mylist
+	_match_from_list_cache[hash((mydep, tuple(candidate_list)))] = mylist
 	return mylist