flask allow all origin

ChargeControl.py

@@ -35,6 +35,7 @@ class ChargeControls:
             for vin, el in chd.items():
                 charge_control_list.list[vin] = ChargeControl(psacc,vin,**el)
             return charge_control_list
+
     def get(self,vin):
         try:
             return self.list[vin]

server.py

@@ -81,6 +81,12 @@ def charge_control():
 def get_recorded_position():
     return FlaskResponse(myp.get_recorded_position(), mimetype='application/json')
 
+@app.after_request
+def after_request(response):
+    header = response.headers
+    header['Access-Control-Allow-Origin'] = '*'
+    return response
+
 def parse_args():
     parser = argparse.ArgumentParser()
     parser.add_argument("-f", "--config", help="config file", type=argparse.FileType('r'))