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Python - Thread - Basics

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Basic thread example showing how to create a class inheriting from threading.Thread class. For more information, take a look at the following links: http://docs.python.org/library/thread.html http://docs.python.org/library/threading.html http://www.ibm.com/developerworks/aix/library/au-threadingpython/ http://effbot.org/zone/thread-synchronization.htm

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  1. import random
  2. import threading
  3. import time
  4.  
  5. '''
  6. Class inheriting from the higher-level threading interface 
  7. '''
  8. class GhibliMovieChooserThread(threading.Thread):
  9.     # movies to choose
  10.     ghibliMovies = ['Whisper of the Heart', 'Princess Mononoke', 'Spirited Away']
  11.  
  12.     # defining the running count and interval between each of them
  13.     def __init__(self, count, interval):
  14.         threading.Thread.__init__(self)
  15.         self._count = count
  16.         self._interval = interval
  17.  
  18.     # code executed when the Thread is started
  19.     def run(self):
  20.         i = 0
  21.         while i < count:
  22.             # gets an integer index from 0 to 2 to choose a Ghibli movie randomly 
  23.             randomIndex = random.randint(0, len(self.ghibliMovies) - 1)
  24.             print('Let\'s see which movie I choose... Oh! It will be: %s' % self.ghibliMovies[randomIndex])
  25.             # waits for the interval defined in seconds
  26.             time.sleep(self._interval)
  27.             i = i + 1
  28.  
  29. if __name__ == '__main__':
  30.     count = 10
  31.     interval = 1
  32.     print('Ghibli Movie Chooser, give me %d Ghibli Movies, one each %d seconds!' % (count, interval))
  33.     GhibliMovieChooserThread(count, interval).start()

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