From 8a70bc81b4f41dbb6c49781141b564e61e039505 Mon Sep 17 00:00:00 2001
From: Ralph Bean <rbean@redhat.com>
Date: Nov 02 2015 16:21:27 +0000
Subject: Be more tolerant of an incomplete cache.


---

diff --git a/mdapi-get_repo_md b/mdapi-get_repo_md
index f54ff0b..8ea66fb 100644
--- a/mdapi-get_repo_md
+++ b/mdapi-get_repo_md
@@ -202,9 +202,16 @@ def compare_dbs(name, db1, db2, cache1, cache2):
             for i, row in enumerate(engine.execute(query)):
                 if table in cache_dependant_tables:
                     row = list(row)  # lists support item assignment
-                    row[0] = cache[row[0]]
-
-                yield tuple(row)
+                    if row[0] in cache:
+                        row[0] = cache[row[0]]
+                        yield tuple(row)
+                    else:
+                        print("%s ! %r does not appear in the "
+                              "%r cache for %r.  Dropping "
+                              "from comparison." % (
+                                  name.ljust(padding), row[0], table, uri))
+                else:
+                    yield tuple(row)
 
 
     def build_cache(uri, cache):