From f3c782643c5d34a59e87c01ae515d6cbf3e120b7 Mon Sep 17 00:00:00 2001
From: Faik Uygur <faik@pardus.org.tr>
Date: Wed, 20 Sep 2006 07:13:58 +0000
Subject: [PATCH] * api should have list_installed() too...

---
 pisi/api.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pisi/api.py b/pisi/api.py
index be954ed5..54c398b9 100644
--- a/pisi/api.py
+++ b/pisi/api.py
@@ -146,6 +146,10 @@ def finalize():
         ctx.ui.close()
         ctx.initialized = False
 
+def list_installed():
+    '''returns a set of installed package names'''
+    return set(pisi.context.installdb.list_installed())
+
 def list_available(repo = None):
     '''returns a set of available package names'''
     return set(ctx.packagedb.list_packages(repo = repo))