diff -u smart-1.3/debian/changelog smart-1.3/debian/changelog
--- smart-1.3/debian/changelog
+++ smart-1.3/debian/changelog
@@ -1,3 +1,9 @@
+smart (1.3-1.3ubuntu0.1) natty-proposed; urgency=low
+
+  * Fix for dealing with incorrect installed-size fields. (LP: #512302)
+
+ -- Andreas Hasenack <andreas@canonical.com>  Mon, 30 May 2011 16:33:16 -0300
+
 smart (1.3-1.3build1) natty; urgency=low
 
   * Rebuild to add support for python 2.7.
only in patch2:
unchanged:
--- smart-1.3.orig/debian/patches/04_invalid_installed_size.patch
+++ smart-1.3/debian/patches/04_invalid_installed_size.patch
@@ -0,0 +1,63 @@
+=== modified file 'smart/backends/deb/loader.py'
+--- smart/backends/deb/loader.py	2010-01-30 11:30:17 +0000
++++ smart/backends/deb/loader.py	2010-03-05 11:40:53 +0000
+@@ -74,7 +74,10 @@
+     def getInstalledSize(self):
+         size = self._dict.get("installed-size")
+         if size:
+-            return long(size)*1024
++            try:
++                return long(size)*1024
++            except ValueError:
++                pass
+         return None
+ 
+     def getDescription(self):
+
+=== modified file 'smart/backends/rpm/metadata.py'
+--- smart/backends/rpm/metadata.py	2010-02-03 11:47:52 +0000
++++ smart/backends/rpm/metadata.py	2010-03-05 11:40:53 +0000
+@@ -225,7 +225,8 @@
+ 
+                 elif tag == SIZE:
+                     info["size"] = int(elem.get("package"))
+-                    info["installed_size"] = int(elem.get("installed"))
++                    if elem.get("installed"):
++                        info["installed_size"] = int(elem.get("installed"))
+ 
+                 elif tag == CHECKSUM:
+                     info[elem.get("type")] = elem.text
+
+=== modified file 'tests/debloader.py'
+--- tests/debloader.py	2008-08-04 19:58:07 +0000
++++ tests/debloader.py	2010-03-05 11:40:53 +0000
+@@ -33,6 +33,11 @@
+             tf.advanceSection()
+             yield tf, offset
+ 
++    def getDict(self, pkg):
++        for offset, section in enumerate(self.fake_sections):
++            tf = TagFile(StringIO(section))
++            tf.advanceSection()
++            return tf.copy()
+ 
+ class DebLoaderTest(unittest.TestCase):
+ 
+@@ -78,3 +83,16 @@
+         self.assertEquals(breaks.relation, "=")
+         self.assertEquals(breaks.version, "1.0")
+         self.assertEquals(type(breaks), DebBreaks)
++
++    def test_badsize(self):
++        section = SMARTPM_SECTION.replace("Installed-Size: 2116\n", \
++                                          "Installed-Size: 123M\n")
++        self.loader.fake_sections = [section]
++        self.loader.load()
++        packages = self.cache.getPackages()
++        info = self.loader.getInfo(packages[0])
++        try:
++            self.assertEquals(info.getInstalledSize(), None)
++        except ValueError, e:
++            self.fail(e)
++
+