From 4ebf94a774873aef709bab624edb3724fe870f7d Mon Sep 17 00:00:00 2001
From: "forest.bond@outpostembedded.com" <>
Date: Wed, 13 Jan 2010 22:14:49 -0500
Subject: * apt/cache.py   - isVirtualPackage: Return False instead of raising
 KeyError if the package     is not present in the cache.

---
 apt/cache.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'apt/cache.py')

diff --git a/apt/cache.py b/apt/cache.py
index fa6c404c..19c0ee4e 100644
--- a/apt/cache.py
+++ b/apt/cache.py
@@ -245,7 +245,10 @@ class Cache(object):
 
     def isVirtualPackage(self, pkgname):
         """Return whether the package is a virtual package."""
-        pkg = self._cache[pkgname]
+        try:
+            pkg = self._cache[pkgname]
+        except KeyError:
+            return False
         return bool(pkg.ProvidesList and not pkg.VersionList)
 
     def getProvidingPackages(self, virtual):
-- 
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