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Function lookup using a directory.

Roman Suzi rnd at onego.ru
Mon Jun 18 13:08:40 EDT 2001 
On Mon, 18 Jun 2001, Roman Suzi wrote:

>On Mon, 18 Jun 2001 andy.pevy at nokia.com wrote:
>
>> Hi Guys
>>
>> 	I am having trouble with the directory data type. What I want to
>> do is to set up a directory that I can use to parse a command entered by
>> the user, and have a directory return the name of a class to handle the
>> command.  Like this :-
>>
>>
>> command_table = {'0':    'Help0',
>>             '1':    'Help1',
>>             '2':    'Help2',
>>             '3':    'Help3' }
>>
>> class Help0:
>>
>>     def run(self,which):
>>         if len(which) == 1:
>>             print 'Help no args'
>>         else:
>>             print 'Help args'
>>
>> class Help1:
>>
>>     def run(self,which):
>>         if len(which) == 1:
>>             print 'Help1 no args'
>>         else:
>>             print 'Help1 args'
>>
>> class Help2:
>>
>>     def run(self,which):
>>         if len(which) == 1:
>>             print 'Help2 no args'
>>         else:
>>             print 'Help2 args'
>>
>> class Help3:
>>
>>     def run(self,which):
>>         if len(which) == 1:
>>             print 'Help3 no args'
>>         else:
>>             print 'Help3 args'
>
>Brrrr...
>
>Maybe:
>
>class Help:
>    noargs = "no such command"
>    args = "no such cmd"
>
>    def run(self,which):
>        if len(which) == 1:
>            print self.noargs
>        else:
>            print self.args
>


Oops. Forgot to superclass:

class Help0(Help):
    noargs = "blah blah ..."
    args = "balh x blah y ..."


Sincerely yours, Roman Suzi
-- 
_/ Russia _/ Karelia _/ Petrozavodsk _/ rnd at onego.ru _/
_/ Monday, June 18, 2001 _/ Powered by Linux RedHat 6.2 _/
_/ "Nostalgia isn't what it used to be." _/
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