separated threaded camera

cameras.py

@@ -18,20 +18,43 @@ class Camera():
     img=None #last image from the stream
 
     def __init__(self):
-        print('Loading PiCamera... ', end='')
         self.stream = io.BytesIO()
-
+
+        print('Loading PiCamera... ', end='')
         from picamera import PiCamera
         self.cam = PiCamera()
-        #let camera warm up. 
-        time.sleep(1)
+        time.sleep(1) #let camera warm up. 
         self.cam.resolution = (640, 480)
         print('success')
 
-        print('starting camera stream')
-        self.start_stream()
+
+    def capture_img(self):
+        '''return PIL image from camera'''
+        self.cam.capture(self.stream, format='jpeg')
+        img = Image.open(self.stream)
+        return normalize(img)
+
+
+    def capture_binary(self):
+        '''return binary stream of image for webserver'''
+        img = self.capture_img()
+        return image_utils.img_to_binary(img)
 
 
+class ThreadedCamera(Camera):
+    ''' 
+    This is an attempt to solve the issue of many threads accessing 
+    the same stream and getting corrupt streams before they are written completely.
+    
+    It curretnly does not work.
+
+    '''
+
+    def __init__(self):
+        Camera.__init__(self)
+        self.start_stream()
+        print('starting camera stream')
+
     def start_stream(self):
         t = threading.Thread(target=self.update, args=())
         t.daemon = True
@@ -47,19 +70,12 @@ def update(self):
 
             time.sleep(.1)
 
-
-
     def capture_img(self):
         img = Image.open(self.stream)
 
         return normalize(img)
 
 
-    def capture_binary(self):
-        img = self.capture_img()
-        return image_utils.img_to_binary(img)
-
-
 
 class FakeCamera():
     '''