From f0d88cdd0befbefd94ba4a9769fac8e964a8d64f Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Mon, 3 Aug 2009 20:49:09 +0000
Subject: Bug #278729 - Add an Atom.without_use attribute which is identical to
 the atom itself, except without any USE dependencies.

svn path=/main/trunk/; revision=13880
---
 pym/_emerge/depgraph.py | 18 +++---------------
 pym/portage/dep.py      |  9 ++++++++-
 2 files changed, 11 insertions(+), 16 deletions(-)

(limited to 'pym')

diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index 143a6a8aa..34145b40b 100644
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -712,14 +712,8 @@ class depgraph(object):
 				else:
 					# Do not backtrack if only USE have to be changed in
 					# order to satisfy the dependency.
-					atom_without_use = dep.atom
-					if dep.atom.use:
-						atom_without_use = portage.dep.remove_slot(dep.atom)
-						if dep.atom.slot:
-							atom_without_use += ":" + dep.atom.slot
-						atom_without_use = portage.dep.Atom(atom_without_use)
 					dep_pkg, existing_node = \
-						self._select_package(dep.root, atom_without_use,
+						self._select_package(dep.root, atom.without_use,
 							onlydeps=dep.onlydeps)
 					if dep_pkg is None:
 						self._dynamic_config._runtime_pkg_mask.setdefault(
@@ -1845,12 +1839,6 @@ class depgraph(object):
 	def _show_unsatisfied_dep(self, root, atom, myparent=None, arg=None):
 		atom = portage.dep.Atom(atom)
 		atom_set = InternalPackageSet(initial_atoms=(atom,))
-		atom_without_use = atom
-		if atom.use:
-			atom_without_use = portage.dep.remove_slot(atom)
-			if atom.slot:
-				atom_without_use += ":" + atom.slot
-			atom_without_use = portage.dep.Atom(atom_without_use)
 		xinfo = '"%s"' % atom
 		if arg:
 			xinfo='"%s"' % arg
@@ -1871,9 +1859,9 @@ class depgraph(object):
 				continue
 			match = db.match
 			if hasattr(db, "xmatch"):
-				cpv_list = db.xmatch("match-all", atom_without_use)
+				cpv_list = db.xmatch("match-all", atom.without_use)
 			else:
-				cpv_list = db.match(atom_without_use)
+				cpv_list = db.match(atom.without_use)
 			# descending order
 			cpv_list.reverse()
 			for cpv in cpv_list:
diff --git a/pym/portage/dep.py b/pym/portage/dep.py
index 679a8558d..64215b68c 100644
--- a/pym/portage/dep.py
+++ b/pym/portage/dep.py
@@ -511,7 +511,7 @@ class Atom(object):
 	_atoms = weakref.WeakValueDictionary()
 
 	__slots__ = ("__weakref__", "blocker", "cp", "cpv", "operator",
-		"slot", "use", "_str")
+		"slot", "use", "without_use", "_str",)
 
 	class _blocker(object):
 		__slots__ = ("overlap",)
@@ -550,9 +550,16 @@ class Atom(object):
 		use = dep_getusedeps(s)
 		if use:
 			use = _use_dep(use)
+			without_use = remove_slot(self)
+			if self.slot is not None:
+				without_use += ":" + self.slot
+			without_use = Atom(without_use)
 		else:
 			use = None
+			without_use = self
+
 		obj_setattr(self, "use", use)
+		obj_setattr(self, "without_use", without_use)
 
 	def __setattr__(self, name, value):
 		raise AttributeError("Atom instances are immutable",
-- 
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