Fwd: Converting a script to Python 3 - having trouble.

Rhodri James rhodri at wildebst.demon.co.uk
Wed Sep 16 01:24:22 CEST 2009


On Wed, 16 Sep 2009 00:01:17 +0100, Russell Jackson  
<rusty at rcjacksonconsulting.com> wrote:

> Hi,
> I have the following code that works fine in Python 2.x, but I can't  
> seem to
> get it to work in Python 3 with Popen. Can you please tell me how to get  
> the
> same functionality out of Python 3? The gist of what I doing is in the
> setpassword function. I have tried numerous ways to get this to work, and
> just can't figure it out, and the docs on Popen are no help whatsoever on
> how to use the now open process. The examples completely skip over what  
> to
> do with the process after you open it.

So how did it fail?

> ###############################################################################
> def setpassword(user):
>     password = "passworD\n"
>     try:
>         cmd = ' passwd {0}'.format(user)
>         pipe = Popen(p4 + cmd, shell=True, stdin=PIPE, stdout=PIPE,
> stderr=PIPE, universal_newlines=True)
>         stderr = pipe.stdin.write(password)
>         time.sleep(1)
>         stderr = pipe.stdin.write(password)
>         if pipe.stdin.close != 0:

Did you perhaps mean "if pipe.stdin.close():" ?
Does it help if you read stdout rather than sleeping for arbitrary periods?

-- 
Rhodri James *-* Wildebeest Herder to the Masses



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