portdbapi.xmatch: optimize minimum-visible

Also, make repoman cache IUSE, since that's required for _match_use to
work effciently. This will eliminate lots of redundant aux_get calls
for repoman, triggered by USE deps.

2 files changed, 5 insertions, 11 deletions

diff --git a/bin/repoman b/bin/repoman
index 85c9c1785..184c5ef2c 100755
--- a/bin/repoman
+++ b/bin/repoman
@@ -627,7 +627,7 @@ root_config = RootConfig(repoman_settings, trees[root], None)
 # We really only need to cache the metadata that's necessary for visibility
 # filtering. Anything else can be discarded to reduce memory consumption.
 portdb._aux_cache_keys.clear()
-portdb._aux_cache_keys.update(["EAPI", "KEYWORDS", "SLOT"])
+portdb._aux_cache_keys.update(["EAPI", "IUSE", "KEYWORDS", "SLOT"])
 
 reposplit = myreporoot.split(os.path.sep)
 repolevel = len(reposplit)
diff --git a/pym/portage/dbapi/porttree.py b/pym/portage/dbapi/porttree.py
index 42e5ca168..782cecccc 100644
--- a/pym/portage/dbapi/porttree.py
+++ b/pym/portage/dbapi/porttree.py
@@ -957,16 +957,10 @@ class portdbapi(dbapi):
 						mydep.slot != metadata["SLOT"]:
 						continue
 
-					if mydep.use is not None:
-						mydep_with_repo = mydep
-						if repo is not None and mydep.repo is None:
-							mydep_with_repo = mydep.with_repo(repo)
-						has_iuse = False
-						for has_iuse in self._iter_match_use(
-							mydep_with_repo, [cpv]):
-							break
-						if has_iuse is False:
-							continue
+					if mydep.unevaluated_atom.use is not None and \
+						not self._match_use(mydep, cpv, metadata):
+						continue
+
 					myval = cpv
 					break
 				if myval: