Server.py

#!/usr/bin/python3
from flask import Flask, json
from SerialProxy import SerialProxy
from PortNotFound import PortNotFound


class Server:
    def __init__(self, app):
        self.serial = SerialProxy()
        self.app = app

    def createResponse(self, data, statusCode):
        return self.app.response_class(
            response=json.dumps(data),
            status=statusCode,
            mimetype='application/json'
        )

    def homepage(self):
        try:
            return self.createResponse({'api': 'Flaskapptest.pl', 'version': '1.2.0'}, 200)
        except PortNotFound as e:
            return self.createResponse({'error': str(e)}, 500)

    def version(self):
        try:
            self.serial.executeCommand("#GET=VER@")
            response = self.serial.readResponse()

            return self.createResponse({'version': response}, 200)
        except PortNotFound as e:
            return self.createResponse({'error': str(e)}, 500)