Show links to Launchpad package pages in excuses

excuse.py

@@ -159,8 +159,20 @@ class Excuse(object):
 
     def html(self):
         """Render the excuse in HTML"""
-        res = "<a id=\"%s\" name=\"%s\">%s</a> (%s to %s)\n<ul>\n" % \
+        lp_pkg = "https://launchpad.net/%s/+source/%s" % (self.distribution, self.name.split("/")[0])
-            (self.name, self.name, self.name, self.ver[0], self.ver[1])
+        if self.ver[0] == "-":
+            lp_old = self.ver[0]
+        else:
+            lp_old = "<a href=\"%s/%s\">%s</a>" % (
+                lp_pkg, self.ver[0], self.ver[0])
+        if self.ver[1] == "-":
+            lp_new = self.ver[1]
+        else:
+            lp_new = "<a href=\"%s/%s\">%s</a>" % (
+                lp_pkg, self.ver[1], self.ver[1])
+        res = (
+            "<a id=\"%s\" name=\"%s\" href=\"%s\">%s</a> (%s to %s)\n<ul>\n" %
+            (self.name, self.name, lp_pkg, self.name, lp_old, lp_new))
         if self.maint:
             res = res + "<li>Maintainer: %s\n" % (self.maint)
         if self.section and self.section.find("/") > -1: