from mfrc522 import SimpleMFRC522#rfid reader library
from requests import post#make post requests
from RPi import GPIO
import json

with open('./settings.json') as json_settings:#open json file with settings
    settings = json.loads(json_settings.read())#read the json to a python object

reader = SimpleMFRC522()

try:
    while True:
        id, text = reader.read()#read rfid
        print(id)
        print(text)
        post(settings['url'], {'rfid': str(id) + str(text)})#send POST with rfid
        #add code to keep a local backup database
except KeyboardInterrupt:#ctrl + c
    GPIO.cleanup()#clean up the gpio
    raise#exit program