Re: Noob can't make threads work

[Steve Horsley]

Grant Edwards wrote:
On 2005-03-01, Steve Horsley <[EMAIL PROTECTED]> wrote:
I am trying to start two threads to do some time consuming work. This is my
first stab at threading, and it isn't working as I expect. Instead of the 
threads starting when I call start(), they seem to run the target code as
part of the constructor call.

Here is my test code...
#!/usr/bin/python
import time
import threading
def fiddle():
   for n in range(3):
       print n
       time.sleep(1)
print 'Creating threads...'
t1 = threading.Thread(target=fiddle())
t2 = threading.Thread(target=fiddle())

t1 = threading.Thread(target=fiddle)
t2 = threading.Thread(target=fiddle)

Doh! Slap that forehead! 

Of course, I was calling fiddle() and using the
return value (None) as the target argument. And
a Thread with a target of None does nothing
when start()ed.
Many thanks.
Steve
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