From 9709c10caf97845bd91b1f4eef7ece28ca88fb76 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Tue, 29 May 2007 11:26:33 +0000
Subject: [PATCH] For bug #179870, add support for cpv:slot in
 match_from_list() and use it to make config.setcpv() distinguish slot atoms
 in package.use.

svn path=/main/trunk/; revision=6657
---
 pym/portage/__init__.py |  5 ++++-
 pym/portage/dep.py      | 23 ++++++++++-------------
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/pym/portage/__init__.py b/pym/portage/__init__.py
index 242bfb1b7..b6fa9535d 100644
--- a/pym/portage/__init__.py
+++ b/pym/portage/__init__.py
@@ -1737,7 +1737,10 @@ class config:
 		oldpuse = self.puse
 		self.puse = ""
 		if self.pusedict.has_key(cp):
-			self.pusekey = best_match_to_list(self.mycpv, self.pusedict[cp].keys())
+			cpv_slot = self.mycpv
+			if mydb:
+				cpv_slot += ":" + mydb.aux_get(self.mycpv, ["SLOT"])[0]
+			self.pusekey = best_match_to_list(cpv_slot, self.pusedict[cp].keys())
 			if self.pusekey:
 				self.puse = " ".join(self.pusedict[cp][self.pusekey])
 		if oldpuse != self.puse:
diff --git a/pym/portage/dep.py b/pym/portage/dep.py
index 98dda59f2..3f6b2a0ce 100644
--- a/pym/portage/dep.py
+++ b/pym/portage/dep.py
@@ -654,19 +654,7 @@ def match_from_list(mydep, candidate_list):
 
 	if operator is None:
 		for x in candidate_list:
-			xs = pkgsplit(x)
-			if xs is None:
-				xcpv = dep_getcpv(x)
-				if slot is not None:
-					xslot = dep_getslot(x)
-					if xslot is not None and xslot != slot:
-						"""  This function isn't given enough information to
-						reject atoms based on slot unless *both* compared atoms
-						specify slots."""
-						continue
-				if xcpv != mycpv:
-					continue
-			elif xs[0] != mycpv:
+			if dep_getkey(x) != mycpv:
 				continue
 			mylist.append(x)
 
@@ -729,5 +717,14 @@ def match_from_list(mydep, candidate_list):
 	else:
 		raise KeyError("Unknown operator: %s" % mydep)
 
+	if slot is not None:
+		candidate_list = mylist
+		mylist = []
+		for x in candidate_list:
+			xslot = dep_getslot(x)
+			if xslot is not None and xslot != slot:
+				continue
+			mylist.append(x)
+
 	_match_from_list_cache[cache_key] = mylist
 	return mylist
-- 
2.26.2