Kent Johnson wrote:
>nephish wrote:
>
>
>>Hey there,
>>i have a simple question about getting a script to do
>>two things at once.
>>like this.
>>
>>
>>for i in range(100):
>> print i
>> time.sleep(.2)
>> if i == 15:
>> os.system('python /home/me/ipupdate.py')
>>
>>print 'done'
>>
>>when i run this, it stops at 15 and runs the script called out in the
>>os.system line. i know it is supposed to do that. But, how could i get a
>>script to do this without stopping the count (or delaying it unill the
>>script called exits)
>>
>>
>
>One way to get a script to do two things 'at once' is to use threads. Threads
>are also a good way to introduce strange bugs into your program so you should
>do some reading about them. I can't find a good introduction - anyone else
>have a suggestion? Here is a brief one:
>http://www.wellho.net/solutions/python-python-threads-a-first-example.html
>
>Here are a couple of articles, not really introductory:
>http://linuxgazette.net/107/pai.html
>http://www.devshed.com/c/a/Python/Basic-Threading-in-Python/
>
>Anyway here is something to get you started, this version of your program
>starts a new thread to do the os.system call, that way the main thread doesn't
>block.
>
>import os, threading, time
>
>def doSomething():
> ''' This function will be called from the second thread '''
> os.system('''python -c "from time import sleep;sleep(2);print 'hello'"''')
>
>for i in range(30):
> print i
> time.sleep(.2)
> if i == 10:
> print 'Starting thread'
> threading.Thread(target=doSomething).start()
>
>print 'done'
>
>Kent
>
>_______________________________________________
>Tutor maillist - [EMAIL PROTECTED]
>http://mail.python.org/mailman/listinfo/tutor
>
>
>
thanks for all of the responses, yep, looks like threads is what i want
to go with. got the docs you guys linked me to bookmarked. this is going
to take a bit of research.
thanks again for showing me where to start.
shawn
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