Added mp_test_4.py

Multiprocessing test/mp_test_3.py

@@ -8,10 +8,10 @@ import gtk
 import multiprocessing
 import threading
 import time
- 
+import random
+
 gtk.gdk.threads_init()
  
- 
 # Any time you connect to any of these signals, they should be
 # protected with a threading.Lock or similar.
 class ObserverBase(gobject.GObject):
@@ -69,8 +69,7 @@ class Observer(ObserverBase):
                 raise RuntimeError("Queue had an unknown data type ('"+dataType+"') with value '"+str(data)+"'")
  
 gobject.type_register(Observer)
- 
-         
+   
 class Process(gobject.GObject):
     __gsignals__ = {
         'starting': (gobject.SIGNAL_RUN_LAST,
@@ -93,7 +92,6 @@ class Process(gobject.GObject):
         # Create observer
         self.observer = Observer(self.queue)
  
- 
     def getObserver(self):
         return self.observer
  
@@ -118,12 +116,8 @@ class Process(gobject.GObject):
         # Clean up queue
         #self.queue.close()
          
- 
 gobject.type_register(Process)
- 
- 
- 
- 
+
 class CombinedObserver(ObserverBase):
     def __init__(self, observers, weights=None):
         ObserverBase.__init__(self)
@@ -170,11 +164,8 @@ class CombinedObserver(ObserverBase):
         self.emit("errored")
         self.lock.release()
          
- 
- 
 gobject.type_register(CombinedObserver)
  
- 
 # A ProgressWorker is responsible for (a) getting the job done and (b)
 # reporting progress.  Progress is reported via the queue.  Fractions
 # (from 0 to 1) indicate the proportion of the job that is finished.
@@ -190,7 +181,6 @@ class ProgressWorker():
     def go(self):
         raise RuntimeError("Worker.go() has not been overridden")
  
- 
 class WorkerExample(ProgressWorker):
     def __init__(self):
         #Worker.__init__(self)
@@ -206,7 +196,8 @@ class WorkerExample(ProgressWorker):
         for i in range(10):
             self.queue.put("working on step "+str(i)+"...")
             proportion = (float(i)+1)/10
-            time.sleep(0.75)
+            slp = random.uniform(0.50, 3.50)
+            time.sleep(slp)
             self.queue.put(proportion)
         self.queue.put("done.")
         self.queue.put(1.0)
@@ -316,9 +307,9 @@ if __name__ == '__main__':
     #time.sleep(0.1)
     process3.start()
     gtk.main()
-    process1.join()
-    process2.join()
-    process3.join()
+    #process1.join()
+    #process2.join()
+    #process3.join()
     print "finished"
     sys.exit()