CC-5990, CC-5991 - Python cleanup, removed need for /usr/lib/airtime

python_apps/media-monitor/mm2/media/monitor/toucher.py

@@ -0,0 +1,51 @@
+# -*- coding: utf-8 -*-
+import pure         as mmp
+import os
+from log            import Loggable
+from exceptions     import CouldNotCreateIndexFile
+from ..saas.thread  import InstanceInheritingThread
+
+class Toucher(Loggable):
+    """
+    Class responsible for touching a file at a certain path when called
+    """
+    def __init__(self,path):
+        self.path = path
+    def __call__(self):
+        try: mmp.fondle(self.path)
+        except Exception as e:
+            self.logger.info("Failed to touch file: '%s'. Logging exception." %
+                    self.path)
+            self.logger.info(str(e))
+
+import time
+
+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
+    def run(self):
+        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 """
+    def __init__(self, path, interval=5):
+        if not os.path.exists(path):
+            try:
+                # TODO : rewrite using with?
+                f = open(path,'w')
+                f.write('')
+                f.close()
+            except Exception as e:
+                raise CouldNotCreateIndexFile(path,e)
+        cb = Toucher(path)
+        t = RepeatTimer(interval, cb)
+        t.daemon = True # thread terminates once process is done
+        t.start()
+