sectracker.repo.Config: add cache for map of parsed files

git-svn-id: svn+ssh://svn.debian.org/svn/secure-testing@14768 e39458fd-73e7-0310-bf30-c45bca0a0e42

1 files changed, 9 insertions, 1 deletions

diff --git a/lib/python/sectracker/repo.py b/lib/python/sectracker/repo.py
index 7dbce2effb..ab0c43d89b 100644
--- a/lib/python/sectracker/repo.py
+++ b/lib/python/sectracker/repo.py
@@ -280,13 +280,21 @@ class Config(object):
                         % (d, rel, self.releases[rel]))
                 self.releases[rel] = d
 
+        self._filemap_cache = None
+
     def update(self):
         self.collection.update()
+        self._filemap_cache = None
+        
+    def filemap(self):
+        if self._filemap_cache is None:
+            self._filemap_cache = self.collection.filemap(load=True)
+        return self._filemap_cache
 
     def releasepackageversions(self):
         """Returns dictionaries mapping release codenames to packages
         to a set of versions."""
-        fm = self.collection.filemap(load=True)
+        fm = self.filemap()
         r = {}
         for d, dobj in self.distributions.items():
             pkgver = {}