More stylistic tweaks to the generic '--help-xxx' code.

diff --git a/Lib/distutils/dist.py b/Lib/distutils/dist.py
index 2e4951ff88293f498c5b056434b8f86344cd4c63..287137ee13ff38a092018a1b25cec8933e2cf3d4 100644 (file)
--- a/Lib/distutils/dist.py
+++ b/Lib/distutils/dist.py
@@ -443,13 +443,14 @@ class Distribution:
             type (cmd_class.help_options) is ListType):
             help_options = fix_help_options(cmd_class.help_options)
         else:
-            help_optiosn = []
+            help_options = []
 
 
         # All commands support the global options too, just by adding
         # in 'global_options'.
         parser.set_option_table (self.global_options +
-                                 cmd_class.user_options + help_options)
+                                 cmd_class.user_options +
+                                 help_options)
         parser.set_negative_aliases (negative_opt)
         (args, opts) = parser.getopt (args[1:])
         if hasattr(opts, 'help') and opts.help:
@@ -459,19 +460,21 @@ class Distribution:
        if (hasattr(cmd_class, 'help_options') and
             type (cmd_class.help_options) is ListType):
            help_option_found=0
-           for help_option in cmd_class.help_options:
-               if hasattr(opts, parser.get_attr_name(help_option[0])):
+           for (help_option, short, desc, func) in cmd_class.help_options:
+               if hasattr(opts, parser.get_attr_name(help_option)):
                    help_option_found=1
                    #print "showing help for option %s of command %s" % \
                     #      (help_option[0],cmd_class)
-                   if callable(help_option[3]):
-                       help_option[3]()
-                   else:
-                       raise DistutilsClassError, \
-                          ("command class %s must provide " +
-                           "a callable object for help_option '%s'") % \
-                          (cmd_class,help_option[0])
-           if help_option_found: 
+
+                    if callable(func):
+                       func()
+                    else:
+                        raise DistutilsClassError, \
+                            ("invalid help function %s for help option '%s': "
+                             "must be a callable object (function, etc.)") % \
+                            (`func`, help_option)
+
+            if help_option_found: 
                return
 
         # Put the options from the command-line into their official