Fix post-parse help message (Resolves Ticket #555)

git-svn-id: https://svn.mcs.anl.gov/repos/bcfg/trunk/bcfg2@4654 ce84e21b-d406-0410-9b95-82705330c041

1 files changed, 6 insertions, 0 deletions

diff --git a/src/lib/Options.py b/src/lib/Options.py
index 92a71eaf7..aeb70e44c 100644
--- a/src/lib/Options.py
+++ b/src/lib/Options.py
@@ -114,6 +114,10 @@ class Option(object):
         self.value = self.default
 
 class OptionSet(dict):
+    def __init__(self, *args):
+        dict.__init__(self, *args)
+        self.hm = self.buildHelpMessage()
+        
     def buildGetopt(self):
         return ''.join([opt.buildGetopt() for opt in self.values()])
 
@@ -121,6 +125,8 @@ class OptionSet(dict):
         return [opt.buildLongGetopt() for opt in self.values() if opt.long]
 
     def buildHelpMessage(self):
+        if hasattr(self, 'hm'):
+            return self.hm
         return ''.join([opt.buildHelpMessage() for opt in self.values()])
 
     def helpExit(self, msg='', code=1):