Mercurial > hg > mercurial-source

changeset 23563:f08f6a7d4d5f

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namespaces: add a function to turn single results into lists
author Sean Farley <sean.michael.farley@gmail.com>
date Sun, 14 Dec 2014 15:04:40 -0800 (2014-12-14)
parents 75f9643cab1b
children 7e1da5d004eb
files mercurial/namespaces.py
diffstat 1 files changed, 9 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/mercurial/namespaces.py
+++ b/mercurial/namespaces.py
@@ -1,5 +1,14 @@
 from mercurial import util
 
+def tolist(val):
+    """
+    a convenience method to return an empty list instead of None
+    """
+    if val is None:
+        return []
+    else:
+        return [val]
+
 class namespaces(object):
     """
     provides an interface to register a generic many-to-many mapping between