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-rw-r--r--pym/_emerge/depgraph.py17
1 files changed, 17 insertions, 0 deletions
diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index 83d6e9b9a..80a7d6c65 100644
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -6048,6 +6048,23 @@ class _dep_check_composite_db(dbapi):
self._match_cache.clear()
self._cpv_pkg_map.clear()
+ def cp_list(self, cp):
+ """
+ Emulate cp_list just so it can be used to check for existence
+ of new-style virtuals.
+ """
+ if isinstance(cp, Atom):
+ atom = cp
+ else:
+ atom = Atom(cp)
+ ret = []
+ for pkg in self._depgraph._iter_match_pkgs_any(
+ self._depgraph._frozen_config.roots[self._root], atom):
+ if pkg.cp == cp:
+ ret.append(pkg.cpv)
+
+ return ret
+
def match(self, atom):
ret = self._match_cache.get(atom)
if ret is not None: