provides a decent default to let the worker notify the arbiter. and m…

…odify example to use it

examples/hello.py

@@ -11,11 +11,8 @@
 
 class MyWorker(Worker):
 
-    def run(self):
-
-        while True:
-            print "hello from worker n°%s" % self.pid
-            time.sleep(1)
+    def handle(self):
+        print "hello from worker n°%s" % self.pid
 
 
 if __name__ == "__main__":

pistil/worker.py

@@ -9,6 +9,7 @@
 import os
 import signal
 import sys
+import time
 import traceback
 
 
@@ -65,13 +66,20 @@ def notify(self):
         """
         self.tmp.notify()
 
+
+    def handle(self):
+        raise NotImplementedError
+
     def run(self):
         """\
         This is the mainloop of a worker process. You should override
         this method in a subclass to provide the intended behaviour
         for your particular evil schemes.
         """
-        raise NotImplementedError()
+        while True:
+            self.notify()
+            self.handle()
+            time.sleep(0.1)
 
     def on_init_process(self):
         """ method executed when we init a process """