Add a PackageVirtualDbapi.__getitem__() method.

svn path=/main/trunk/; revision=10588

1 files changed, 15 insertions, 0 deletions

diff --git a/pym/_emerge/__init__.py b/pym/_emerge/__init__.py
index 913c0d35e..1b5de6641 100644
--- a/pym/_emerge/__init__.py
+++ b/pym/_emerge/__init__.py
@@ -1788,6 +1788,21 @@ class PackageVirtualDbapi(portage.dbapi):
 			return True
 		return False
 
+	def __getitem__(self, k):
+		cpv = getattr(k, "cpv", None)
+		if cpv is None:
+			try:
+				cpv = k[2]
+			except (TypeError, IndexError):
+				raise KeyError(k)
+		if cpv is None:
+			raise KeyError(k)
+		existing = self._cpv_map.get(cpv)
+		if existing is not None and \
+			existing == k:
+			return existing
+		raise KeyError(k)
+
 	def match_pkgs(self, atom):
 		return [self._cpv_map[cpv] for cpv in self.match(atom)]