# HG changeset patch
# User Sean Farley <sean.michael.farley@gmail.com>
# Date 1418613337 28800
# Node ID 40fcf6c0521781ef981f0490d71712f1ac27c135
# Parent  807ee1a02bb0ab582407f5691d5790d84dd7c056
templatekw: add helper method to generate a template keyword for a namespace

This marks our second feature of the namespace api: automatic template keyword.
This patch adds a method that takes in a namespace and uses the node-to-name
map to output the list of names.

diff -r 807ee1a02bb0 -r 40fcf6c05217 mercurial/templatekw.py
--- a/mercurial/templatekw.py	Sun Dec 14 18:54:50 2014 -0800
+++ b/mercurial/templatekw.py	Sun Dec 14 19:15:37 2014 -0800
@@ -378,6 +378,14 @@
     """:tags: List of strings. Any tags associated with the changeset."""
     return showlist('tag', args['ctx'].tags(), **args)
 
+def shownames(namespace, **args):
+    """helper method to generate a template keyword for a namespace"""
+    ctx = args['ctx']
+    repo = ctx._repo
+    names = repo.names.names(repo, namespace, ctx.node())
+    return showlist(repo.names.templatename(namespace), names,
+                    plural=namespace, **args)
+
 # keywords are callables like:
 # fn(repo, ctx, templ, cache, revcache, **args)
 # with: