Obsolete source file -- command options are actually implemented in

a much less formalistic way.  Just keeping this around for possible
future reference.

Lib/distutils/options.py

-# XXX this is ridiculous! if commands need to pass options around,
-# they can just pass them via the 'run' method... what we REALLY need
-# is a way for commands to get at each other, via the Distribution!
-
-class Options:
-    """Used by Distribution and Command to encapsulate distribution
-       and command options -- parsing them from command-line arguments,
-       passing them between the distribution and command objects, etc."""
-
-    # -- Creation/initialization methods -------------------------------
-
-    def __init__ (self, owner):
-
-        # 'owner' is the object (presumably either a Distribution
-        # or Command instance) to which this set of options applies.
-        self.owner = owner
-
-        # The option table: maps option names to dictionaries, which
-        # look something like:
-        #    { 'longopt': long command-line option string (optional)
-        #      'shortopt': short option (1 char) (optional)
-        #      'type': 'string', 'boolean', or 'list'
-        #      'description': text description (eg. for help strings)
-        #      'default': default value for the option
-        #      'send': list of (cmd,option) tuples: send option down the line
-        #      'receive': (cmd,option) tuple: pull option from upstream
-        #    }
-        self.table = {}
-
-
-    def set_basic_options (self, *options):
-        """Add very basic options: no separate longopt, no fancy typing, no
-           send targets or receive destination.  The arguments should just
-           be {1..4}-tuples of
-              (name [, shortopt [, description [, default]]])
-           If name ends with '=', the option takes a string argument;
-           otherwise it's boolean."""
-
-        for opt in options:
-            if not (type (opt) is TupleType and 1 <= len (opt) <= 4):
-                raise ValueError, \
-                      ("invalid basic option record '%s': " + \
-                       "must be tuple of length 1 .. 4") % opt
-
-            elements = ('name', 'shortopt', 'description', 'default')
-            name = opt[0]
-            self.table[name] = {}
-            for i in range (1,4):
-                if len (opt) >= i:
-                    self.table[name][elements[i]] = opt[i]
-                else:
-                    break
-
-    # set_basic_options ()
-
-
-    def add_option (self, name, **args):
-
-        # XXX should probably sanity-check the keys of args
-        self.table[name] = args
-
-
-    # ------------------------------------------------------------------
-
-    # These are in the order that they will execute in to ensure proper
-    # prioritizing of option sources -- the default value is the most
-    # basic; it can be overridden by "client options" (the keyword args
-    # passed from setup.py to the 'setup' function); they in turn lose to
-    # options passed in "from above" (ie. from the Distribution, or from
-    # higher-level Commands); these in turn may be overridden by
-    # command-line arguments (which come from the end-user, the runner of
-    # setup.py).  Only when all this is done can we pass options down to
-    # other Commands.
-
-    # Hmmm, it also matters in which order Commands are processed: should a
-    # command-line option to 'make_blib' take precedence over the
-    # corresponding value passed down from its boss, 'build'?
-
-    def set_defaults (self):
-        pass
-
-    def set_client_options (self, options):
-        # 'self' should be a Distribution instance for this one --
-        # this is to process the kw args passed to 'setup'
-        pass
-
-    def receive_option (self, option, value):
-        # do we need to know the identity of the sender? don't
-        # think we should -- too much B&D
-
-        # oh, 'self' should be anything *but* a Distribution (ie.
-        # a Command instance) -- only Commands take orders from above!
-        # (ironically enough)
-        pass
-
-    def parse_command_line (self, args):
-        # here, 'self' can usefully be either a Distribution (for parsing
-        # "global" command-line options) or a Command (for "command-specific"
-        # options)
-        pass
-
-           
-    def send_option (self, option, dest):
-        # perhaps this should not take a dest, but send the option
-        # to all possible receivers?
-        pass
-
-
-    # ------------------------------------------------------------------
-
-# class Options