portdbapi.cp_all(): add reverse sort parameter

diff --git a/pym/portage/dbapi/porttree.py b/pym/portage/dbapi/porttree.py
index d8cd261b4bb374468ad678a19701e80f7d2565bb..cf4b142310e009ee824a6d82b021a7d27a847dce 100644 (file)
--- a/pym/portage/dbapi/porttree.py
+++ b/pym/portage/dbapi/porttree.py
@@ -646,13 +646,14 @@ class portdbapi(dbapi):
                else:
                        return 0
 
-       def cp_all(self, categories=None, trees=None):
+       def cp_all(self, categories=None, trees=None, reverse=False):
                """
                This returns a list of all keys in our tree or trees
                @param categories: optional list of categories to search or 
                        defaults to self.settings.categories
                @param trees: optional list of trees to search the categories in or
                        defaults to self.porttrees
+               @param reverse: reverse sort order (default is False)
                @rtype list of [cat/pkg,...]
                """
                d = {}
@@ -671,7 +672,7 @@ class portdbapi(dbapi):
                                                continue
                                        d[atom.cp] = None
                l = list(d)
-               l.sort()
+               l.sort(reverse=reverse)
                return l
 
        def cp_list(self, mycp, use_cache=1, mytree=None):