[Tutor] Want to use msvcrt.getch() but can't import msvcrt

[Alan Gauld]

That should be

msvcrt

MicroSoft Visual C RunTime

Its obvious really... :-)

And I just checked, I got it right on the webn page :-)

Alan G
Author of the Learn to Program web tutor
http://www.freenetpages.co.uk/hp/alan.gauld/tutor2/


----- Original Message ----- 
From: "Dick Moores" <rdm at rcblue.com>
To: <tutor at python.org>
Sent: Saturday, July 17, 2004 8:01 AM
Subject: [Tutor] Want to use msvcrt.getch() but can't import msvcrt


> A week ago or so I asked how I might enable pausing my timer.py.
Alan
> Gauld suggested looking at the mscvrt module (which is available for
> Windows) and mscvrt.getch(). He also referred me to a page of his
> tutorial,
<http://www.freenetpages.co.uk/hp/alan.gauld/tutor2/tutevent.htm>
>
> This seems to be just what I'm looking for, but when I import mscvrt
I get
> "ImportError: No module named mscvrt".
>
> So I can't even run the scripts on his page.
>
> For your instructing convenience here's a bare-bones version of my
timer:
>
> =============================
> #timer_simple.py
> import time
> #import mscvrt # gets "ImportError: No module named mscvrt"
>
> secondsToTime = int(raw_input("Seconds: "))
> timeStart = time.time()
> timeNow = 0
> while True:
>      time.sleep(.25)
>      timeNow = time.time()
>      secondsPassed = timeNow - timeStart
>      secondsLeft = secondsToTime - secondsPassed
>      if secondsPassed >= secondsToTime:
>          break
>
> print "TIME'S UP! %d seconds have passed" % secondsToTime
> print "Actual time is %f" % (timeNow - timeStart)
> ==================================
>
> Alan suggested the time.sleep(.25) line to slow the loop down so I
can do
> something else with my computer while using the timer. He said to
create
> a "guard condition" by making the timeNow = time.time()  line into
an if
> statement. If was able to import mscvrt and use mscvrt.getch() I
suppose
> I could figure this out by experimenting, but I can't even do that.
>
> I'd also like to build in a way to stop the time in mid-timing,
without
> resort to ^C or ^D. I suppose getch() is the thing to use here also.
>
> BTW I'm using Python 2.3.4 on Windows XP.
>
> Do I need to download the mscvrt from somewhere?
>
> Help, please?
>
> Thanks, tutors.
>
> Dick Moores
>
>
>