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diff piecrust/chefutil.py @ 99:8703be118430

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Changes to `help` command and extendable commands: - The `help` command has a prettier output, with descriptions of help topics. - `ExtendableChefCommand` is not assuming extensions are sub-commands anymore.
author Ludovic Chabant <ludovic@chabant.com>
date Sat, 13 Sep 2014 14:47:01 -0700
parents 2f717f961996
children 133845647083
line wrap: on
line diff
--- a/piecrust/chefutil.py	Mon Sep 08 00:04:29 2014 -0700
+++ b/piecrust/chefutil.py	Sat Sep 13 14:47:01 2014 -0700
@@ -17,3 +17,16 @@
         indent += '  '
         ex = ex.__cause__
 
+
+def print_help_item(s, title, description, margin=4, align=25):
+    s.write(margin * ' ')
+    s.write(title)
+    spacer = (align - margin - len(title) - 1)
+    if spacer <= 0:
+        s.write("\n")
+        s.write(' ' * align)
+    else:
+        s.write(' ' * spacer)
+    s.write(description)
+    s.write("\n")
+