From: Zac Medico <zmedico@gentoo.org>
Date: Mon, 10 Dec 2012 00:26:14 +0000 (-0800)
Subject: get_real_flag: handls use-dep default bug #446666
X-Git-Tag: v2.2.0_alpha146~1
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=ecae0c4fc46d6bc8054104a99af90bc45d4e7429;p=portage.git

get_real_flag: handls use-dep default bug #446666
---

diff --git a/pym/_emerge/Package.py b/pym/_emerge/Package.py
index 86ed5f788..e19b78444 100644
--- a/pym/_emerge/Package.py
+++ b/pym/_emerge/Package.py
@@ -642,6 +642,10 @@ class Package(Task):
 			return missing_iuse
 
 		def get_real_flag(self, flag):
+			"""
+			Returns the flag's name within the scope of this package
+			(accounting for aliases), or None if the flag is unknown.
+			"""
 			if flag in self.all:
 				return flag
 			elif flag in self.all_aliases:
@@ -649,8 +653,7 @@ class Package(Task):
 					if flag in v:
 						return k
 			else:
-				raise ValueError("'%s' flag is not in IUSE and is not an alias of any flag in IUSE of '%s::%s'" %
-					(flag, self._pkg.cpv, self._pkg.repo))
+				return None
 
 	def __len__(self):
 		return 4
diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index 568a11682..3cd44dd4e 100644
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -4109,6 +4109,9 @@ class depgraph(object):
 
 		for flag, state in target_use.items():
 			real_flag = pkg.iuse.get_real_flag(flag)
+			if real_flag is None:
+				# Triggered by use-dep defaults.
+				continue
 			if state:
 				if real_flag not in old_use:
 					if new_changes.get(real_flag) == False:
diff --git a/pym/_emerge/resolver/slot_collision.py b/pym/_emerge/resolver/slot_collision.py
index e04166b81..8b2f4b888 100644
--- a/pym/_emerge/resolver/slot_collision.py
+++ b/pym/_emerge/resolver/slot_collision.py
@@ -226,6 +226,9 @@ class slot_conflict_handler(object):
 		for pkg in solution:
 			for flag, state in solution[pkg].items():
 				real_flag = pkg.iuse.get_real_flag(flag)
+				if real_flag is None:
+					# Triggered by use-dep defaults.
+					continue
 				if state == "enabled" and flag not in _pkg_use_enabled(pkg):
 					new_change.setdefault(pkg, {})[real_flag] = True
 				elif state == "disabled" and flag in _pkg_use_enabled(pkg):