dbapi: sync USE match logic with depgraph

This changes the IUSE check to use the unevaluated atom, and fixes
some missing_enabled/disabled cases.

1 files changed, 22 insertions, 7 deletions

diff --git a/pym/portage/dbapi/__init__.py b/pym/portage/dbapi/__init__.py
index 3803339d5..ae48e53b3 100644
--- a/pym/portage/dbapi/__init__.py
+++ b/pym/portage/dbapi/__init__.py
@@ -127,7 +127,7 @@ class dbapi(object):
 		cpv_iter = iter(match_from_list(atom, cpv_iter))
 		if atom.slot:
 			cpv_iter = self._iter_match_slot(atom, cpv_iter)
-		if atom.use:
+		if atom.unevaluated_atom.use:
 			cpv_iter = self._iter_match_use(atom, cpv_iter)
 		return cpv_iter
 
@@ -154,7 +154,7 @@ class dbapi(object):
 			use = use.split()
 			iuse = frozenset(x.lstrip('+-') for x in iuse.split())
 			missing_iuse = False
-			for x in atom.use.required:
+			for x in atom.unevaluated_atom.use.required:
 				if x not in iuse and x not in atom.use.missing_enabled \
 					and x not in atom.use.missing_disabled and not iuse_implicit_match(x):
 					missing_iuse = True
@@ -162,11 +162,26 @@ class dbapi(object):
 			if missing_iuse:
 				continue
 			if not self._use_mutable:
-				if atom.use.enabled.difference(use).difference(atom.use.missing_enabled):
-					continue
-				if atom.use.disabled.intersection(use) or \
-					atom.use.disabled.difference(iuse).difference(atom.use.missing_disabled):
-					continue
+				missing_enabled = atom.use.missing_enabled.difference(iuse)
+				missing_disabled = atom.use.missing_disabled.difference(iuse)
+
+				if atom.use.enabled:
+					if atom.use.enabled.intersection(missing_disabled):
+						continue
+					need_enabled = atom.use.enabled.difference(use)
+					if need_enabled:
+						need_enabled = need_enabled.difference(missing_enabled)
+						if need_enabled:
+							continue
+
+				if atom.use.disabled:
+					if atom.use.disabled.intersection(missing_enabled):
+						continue
+					need_disabled = atom.use.disabled.intersection(use)
+					if need_disabled:
+						need_disabled = need_disabled.difference(missing_disabled)
+						if need_disabled:
+							continue
 			else:
 				# Check masked and forced flags for repoman.
 				mysettings = getattr(self, 'settings', None)