Added comments

app.py

@@ -12,6 +12,7 @@ import flask
 
 import whspah
 
+# Used in transmit() to convert the `action` string to a WHSPAH MODE
 ACTION_MAP = {'shock': whspah.MODES.SHOCK,
               'vibrate': whspah.MODES.VIBRATE,
               'beep': whspah.MODES.BEEP}
@@ -25,9 +26,12 @@ def staticPage(path):
     Returns anything requested in the static folder.
     """
 
+    # Check for an index.html file in the specified path
     if os.path.isfile(os.path.join(app.static_folder, path, 'index.html')):
+        # If one's found, append it to the path
         path = os.path.join(path, 'index.html')
 
+    # Return the file
     return flask.send_from_directory(app.static_folder, path)
 
 @app.route('/transmit', methods=['POST'], strict_slashes=False)
@@ -36,14 +40,17 @@ def transmit():
     Transmits the data contained within the POST request through WHSPAH.
     """
 
+    # Get the POST data and load it, assuming it's in a JSON format.
     data = json.loads(flask.request.data)
 
+    # Try to get all required fields
     try:
         txID = int(data['transmitterID'])
         channel = int(data['channel'])
         action = ACTION_MAP[data['action']]
         intensity = int(data.get('intensity', 0))
         lucal = bool(data.get('lucalEncoded', False))
+    # If any of those failed, return an error.
     except (ValueError, KeyError):
         return {'success': False, 'message': 'Request must contain the following keys:\n'+
                                              'txID: int,\n'+
@@ -52,29 +59,36 @@ def transmit():
                                              'intensity (optional): int\n'+
                                              'lucalEncoded (optional): bool'}, 400
 
+    # Send the data to WHSPAH
     tx: whspah.Transmitter = app.config['transmitter']
     tx.transmit(txID, channel, action, intensity, lucal)
 
+    # Return a success message
     return {'success': True}, 200
 
 
 if __name__ == '__main__':
+    # Parse console arguments
     parser = argparse.ArgumentParser()
     parser.add_argument('-d', '--debug', action='store_true')
     parser.add_argument('--ip', type=str, default='0.0.0.0')
     parser.add_argument('--port', type=int, default=8000)
     args = parser.parse_args()
 
+    # Sets the logging version based on --debug
     if args.debug:
         logging.basicConfig(level=logging.DEBUG)
     else:
         logging.basicConfig(level=logging.INFO)
 
+    # Connect to a WHSPAH device
     app.config['transmitter'] = whspah.Transmitter()
 
     if args.debug:
+        # If in debug mode, run Flask's built in server
         app.run(host=args.ip, port=args.port, debug=True)
     else:
+        # Otherwise, use Waitress
         server = waitress.server.create_server(app, host=args.ip, port=args.port)
         print(f'Serving at http://{args.ip}:{args.port}/')
         try: