From 87c637ed014f35b0d5df1c54129da8d82c83116b Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Mon, 21 Sep 2009 02:04:47 +0000
Subject: [PATCH] When generating config.prevmaskdict, only call the Atom
 constructor when necessary.

svn path=/main/trunk/; revision=14312
---
 pym/portage/__init__.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pym/portage/__init__.py b/pym/portage/__init__.py
index 4b68cefb2..f0cc471e9 100644
--- a/pym/portage/__init__.py
+++ b/pym/portage/__init__.py
@@ -1725,7 +1725,9 @@ class config(object):
 			# revmaskdict
 			self.prevmaskdict={}
 			for x in self.packages:
-				x = portage.dep.Atom(x.lstrip('*'))
+				# Negative atoms are filtered by the above stack_lists() call.
+				if not isinstance(x, dep.Atom):
+					x = dep.Atom(x.lstrip('*'))
 				self.prevmaskdict.setdefault(x.cp, []).append(x)
 
 			self._pkeywords_list = []
-- 
2.26.2