[Tutor] stopping threads?

Marcus Goldfish magoldfish at gmail.com
Thu Sep 29 02:42:27 CEST 2005

I'm a little confused about threading in Python. Here is a sample class I've
written for monitoring for events. Included in the comments are a couple of
questions, specifically:
  (1) can I use super() in the constructor, or is direct call to base class
 (2) do I need to sleep in the run() method? If so, why? It seems to improve
my programs responsiveness
 (3) what happens after run() finishes-- does the thread die, get suspended,
go away? Should I try to force the thread into one of these states, and if
so how?
 Any help is appreciated!
  class Monitor(threading.Thread):
 def __init__(self):
 threading.Thread.__init__(self) # would super() also work here? which is
 self.undetected = True # presumably, when the event occurs it sets this
attribute to False
  def run(self):
 print "looking for event"
 while self.undetected is True:
 time.sleep(0.1) # another minor point: why do I need to sleep here?
 # what happens here-- does the thread die?
  def processEvent(self):
 print "yeah-- event detected"
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