bicycle_statistics: Transformed to file system event driven service

Signed-off-by: Thomas Klaehn <thomas.klaehn@u-blox.com>

bicycle_statistics/__main__.py

@@ -1,6 +1,12 @@
 import argparse
 import sys
+import threading
+import time
+
+from watchdog.observers import Observer
+
 from gpx2html import Gpx2Html
+from input_observer import InputObserver
 
 def parse_args():
     '''Shell argument parser.'''
@@ -9,10 +15,48 @@ def parse_args():
     parser.add_argument('outfolder', help='Specify the out folder.')
     return parser.parse_args()
 
+class myLoop(threading.Thread):
+    def __init__(self, infolder, outfolder):
+        super(myLoop, self).__init__()
+        self.run_condition = True
+        self.infolder = infolder
+        self.outfolder = outfolder
+        self.observer = Observer()
+        self.in_obs = InputObserver(patterns=["*.gpx"])
+
+    def run(self):
+        gpx2html = Gpx2Html(self.infolder, self.outfolder)
+        gpx2html.process()
+
+        self.observer.schedule(self.in_obs, self.infolder)
+        self.observer.start()
+        while self.run_condition is True:
+            new_file = self.in_obs.get_new_file()
+            if new_file:
+                gpx2html.process()
+                print "processed"
+
+    def stop(self):
+        self.run_condition = False
+        self.in_obs.stop()
+        self.observer.stop()
+        self.observer.join()
+
+
 def main():
     args = parse_args()
-    gpx2html = Gpx2Html(args.infolder, args.outfolder)
-    gpx2html.process()
+
+    my_loop = myLoop(args.infolder, args.outfolder)
+    my_loop.start()
+
+    try:
+        while True:
+            time.sleep(1)
+    except KeyboardInterrupt:
+        my_loop.stop()
+        my_loop.join()
+    return 0
+
 
 if __name__ == '__main__':
     sys.exit(main())