--- a/configuration/config.py	Mon Mar 26 14:51:44 2012 -0700
+++ b/configuration/config.py	Mon Mar 26 15:14:26 2012 -0700
@@ -64,9 +64,23 @@
     return args, kw
 
 def bool_cli(name, value):
+
+    # preserve the default values
+    help = value.get('help')
+    flags = value.get('flags')
+
     args, kw = base_cli(name, value)
+    kw['help'] = help # reset
     if value.get('default'):
-        pass # TODO
+        kw['action'] = 'store_false'
+        if not flags:
+            args = ['--no-%s' % name]
+        if not help:
+            kw['help'] = 'disable %s' % name
+    else:
+        kw['action'] = 'store_true'
+        if not help:
+            kw['help'] = 'enable %s' % name
     return args, kw
 
 def list_cli(name, value):
@@ -79,9 +93,21 @@
     kw['action'] = 'append'
     return args, kw
 
-types = {bool: bool_cli,
-         list: list_cli,
-         None: base_cli} # default
+def int_cli(name, value):
+    args, kw = base_cli(name, value)
+    kw['type'] = 'int'
+    return args, kw
+
+def float_cli(name, value):
+    args, kw = base_cli(name, value)
+    kw['type'] = 'float'
+    return args, kw
+
+types = {bool:  bool_cli,
+         int:   int_cli,
+         float: float_cli,
+         list:  list_cli,
+         None:  base_cli} # default
 
 class Configuration(object):
     options = {}

--- a/tests/example.py	Mon Mar 26 14:51:44 2012 -0700
+++ b/tests/example.py	Mon Mar 26 15:14:26 2012 -0700
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 from configuration import Configuration
 
 class ExampleConfiguration(Configuration):
@@ -12,7 +14,7 @@
                          'flags': ['-e', '--executablePath'],
                          'help': 'path to firefox'},
         'develop': {'help': "useful for running tests on a developer machine. Creates a local webserver and doesn't upload to the graph servers.",
-                    'type': bool}
+                    'type': bool},
         'test_timeout': {'type': int,
                          'help': "Time to wait for the browser to output to the log file",
                          'default': 1200},