Extending Python questions

Eli Daniel elie at flashmail.com
Thu Nov 4 02:34:18 EST 2004


"Diez B. Roggisch" <deetsNOSPAM at web.de> wrote in message news:<cmb5i9$qbh$04$1 at news.t-online.com>...
> > myshell.openconnection('www.yahoo.com',12,2000)
> > 
> > It's not only the problem of comfort - it's a problem of changing
> > *some* scripts. And there's more than that - my shell functions
> > already know how to handle it's arguments (which's number may vary),
> > it doesn't need python to do that. All it needs is a pointer to a
> > string representing the arguments (in our case "www.yahoo.com 12
> > 2000"). I've tried using PyArg_UnpackTuple but without success.
> 
> Then don't specify the arguments separately, but instead make it one string
> argument, and pass it to your command:
> 
> myshell.openconnection('www.yahoo.com 12 2000')
> 
> 
> > So I have two questions:
> > 1. Is it possible to move the calls to a upper level (i.e. call
> > "openconnection" and  not "myshell.openconnection") ?
> 
> from myshell import *
> 
> > 2. Is is possible to remove the brackets and commas? (i.e.
> > "www.yahoo.com 12 2000" instead of ('www.yahoo.com',12,2000)?
> 
> No. Thats too much of tinkering with pythons parser - you'd render all other
> python sources useless, which I suspect outnumber your scripts by a degree
> or two... :)
>  
> > final goal is to use the original commands if possible.
> > thanks in advance,
> 
> What do you use python for in the first place, if you want to keep
> everything as it is?
> 
> What you can do is to read your scripts _using_ python instead of _passing_
> them to python - then you can control the syntax of your scripting
> language. The main loop could look like this:
> 
> import myshell
> for line in sys.stdin.readlines():
>     command, rest = line.split()[0], " ".join(line.split()[1:])
>     getattr(myshell, command)(rest)


Thanks for the reply. I'll try those.
The reason I'm trying it this way is that a user can add python code
inside the scripts.

Eli



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