Peter Otten wrote:
Luca wrote:

On Sat, Jun 20, 2009 at 6:38 PM, Chris Rebert<c...@rebertia.com> wrote:
On Sat, Jun 20, 2009 at 7:17 AM, Luca<luca...@gmail.com> wrote:
Hi all.

I need to use a function like the raw_input to read data from user
command line, but I really like to pre-compile the choice and I'm not
able to do this. There is some other function/module I can use?
I wanna to pre-compile the raw_input input line with the current working
path.
What does "pre-compile" mean in this context? It's not clear at all,
so I can't even understand your question.
I'm really sorry to all that replied... In fact I literally traduced a

With "traduced" you stumbled upon another false friend ;)

http://it.wikipedia.org/wiki/Falso_amico

concept from italian and the term precompiled was not so clear...

What I mean is this: I wanna that raw_input (or other modules) ask to
the user the data, but some data inserted is already present, to the
user can cancel it with the BACKSPACE key.

Examples below (the "_" is the initial cursor position).

 >>> raw_input("Insert the directory to work: ")
 Insert the directory to work: _

What I need is:
 >>> XXX_raw_input("Insert the directory to work: ",
 >>> default="/home/john/")
 Insert the directory to work: /home/john_

In the second example a user can cancel the text "/home/john".

I hope this time is more clear, sorry again.


import readline

def input_default(prompt, default):
    def startup_hook():
        readline.insert_text(default)
    readline.set_startup_hook(startup_hook)
    try:
        return raw_input(prompt)
    finally:
        readline.set_startup_hook(None)

print input_default("directory? ", default="/home/john")

The cmd module may also be worth having a look.

Peter


The readline module is specific to Unix implementations. I don't know what OS the OP was using.


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