diff -uNar lsb-4.0.orig/lsb_release.py lsb-4.0/lsb_release.py
--- lsb-4.0.orig/lsb_release.py	2009-09-10 13:27:42.000000000 +0200
+++ lsb-4.0/lsb_release.py	2009-12-09 22:21:45.000000000 +0100
@@ -248,9 +248,12 @@
 # Whatever is guessed above can be overridden in /etc/lsb-release
 def get_lsb_information():
     distinfo = {}
-    if os.path.exists('/etc/lsb-release'):
+    LSB_RELEASE = os.getenv("CDD_LSB_RELEASE")
+    if LSB_RELEASE is None:
+        LSB_RELEASE = '/etc/lsb-release'
+    if os.path.exists(LSB_RELEASE):
         try:
-            for line in open('/etc/lsb-release'):
+            for line in open(LSB_RELEASE):
                 line = line.strip()
                 if not line:
                     continue