ejemplo.py

from flask import Flask
from flask import request as req

app = Flask(__name__)

@app.route('/', methods = ['POST'])
def example():
  try:
    message = json.loads(req.data)
  except:
    pass
  type = req.headers.get('X-Amz-Sns-Message-Type')
 
  if type == 'SubscriptionConfirmation' and 'SubscribeURL' in message:
    r = request.get(message['SubscribeURL'])
    return 'OK', 200
  elif type == 'Notification':
    subject = message['Subject']
    if subject == 'New Study':
      print(json.loads(message['Message']))
      return 'OK', 200
    elif subject == 'New Interpretation':
      print(json.loads(message['Message']))
      return 'OK', 200
    else:
      return 'ERROR', 400
  else:
    return 'ERROR', 400

if __name__ == '__main__':
 app.run(host = 'localhost')