changed implementation of timer thread because using threading.Timer does not allow us to properly inject

the AirtimeInstance object.

python_apps/media-monitor2/media/monitor/toucher.py

@@ -3,6 +3,7 @@ import media.monitor.pure as mmp
 import os
 from media.monitor.log        import Loggable
 from media.monitor.exceptions import CouldNotCreateIndexFile
+from media.saas.thread        import InstanceInheritingThread
 
 class Toucher(Loggable):
     """
@@ -17,56 +18,23 @@ class Toucher(Loggable):
                     self.path)
             self.logger.info(str(e))
 
-#http://code.activestate.com/lists/python-ideas/8982/
-from datetime import datetime
+import time
 
-import threading
-
-class RepeatTimer(threading.Thread):
-    def __init__(self, interval, callable, args=[], kwargs={}):
-        threading.Thread.__init__(self)
-        # interval_current shows number of milliseconds in currently triggered
-        # <tick>
-        self.interval_current = interval
-        # interval_new shows number of milliseconds for next <tick>
-        self.interval_new = interval
+class RepeatTimer(InstanceInheritingThread):
+    def __init__(self, interval, callable, *args, **kwargs):
+        super(RepeatTimer, self).__init__()
+        self.interval = interval
         self.callable = callable
         self.args = args
         self.kwargs = kwargs
-        self.event = threading.Event()
-        self.event.set()
-        self.activation_dt = None
-        self.__timer = None
-
     def run(self):
-        while self.event.is_set():
-            self.activation_dt = datetime.utcnow()
-            self.__timer = threading.Timer(self.interval_new,
-                    self.callable,
-                    self.args,
-                    self.kwargs)
-            self.interval_current = self.interval_new
-            self.__timer.start()
-            self.__timer.join()
-
-    def cancel(self):
-        self.event.clear()
-        if self.__timer is not None:
-            self.__timer.cancel()
-
-    def trigger(self):
-        self.callable(*self.args, **self.kwargs)
-        if self.__timer is not None:
-            self.__timer.cancel()
-
-    def change_interval(self, value):
-        self.interval_new = value
-
+        while True:
+            time.sleep(self.interval)
+            self.callable(*self.args, **self.kwargs)
 
 class ToucherThread(Loggable):
-    """
-    Creates a thread that touches a file 'path' every 'interval' seconds
-    """
+    """ Creates a thread that touches a file 'path' every 'interval'
+    seconds """
     def __init__(self, path, interval=5):
         if not os.path.exists(path):
             try: