Python3 - serial port reload

[Larz60+]

I don't know if there's anything useful in the following code, but perhaps.
I wrote it to connect to an Arduino UNO, some of the code (commented) was from a github account, some of my own.

# ArduinoSerial.py
# Author: Larz60+
# Detect available serial ports, open and close same
# License MIT license see MIT_license.txt
#
from ArPaths import ArPaths
import sys
import glob
import serial


class ArduinoSerial:
    def __init__(self, baudrate=9600, serialport=None, serialtimeout=2, sstream=None):
        self.Apath = ArPaths()
        self.baud = baudrate
        self.port = serialport
        self.timeout = serialtimeout
        self.sstream = sstream

    def setport(self):
        if self.port is None:
            ports = glob.glob("/dev/ttyUSB*") + glob.glob("/dev/ttyACM*")
            print(f"ports: {ports}")
            self.port = ports[0]

    def OpenSerialPort(self):
        self.setport()
        print(f"self.port: {self.port}")
        self.sstream = serial.Serial(self.port, self.baud, timeout=self.timeout)
        print(f"self.sstream: {self.sstream}")
        return self.sstream

    def CloseSerialPort(self):
        self.sstream.close()

    def find_serial_ports(self):
        """
            Source for this code: https://gist.github.com/tekk/5c8d6824108dfb771a1e16aa8bc479f0

            Lists serial port names

            :raises EnvironmentError:
                On unsupported or unknown platforms
            :returns:
                A list of the serial ports available on the system
        """
        if sys.platform.startswith('win'):
            ports = ['COM%s' % (i + 1) for i in range(256)]
        elif sys.platform.startswith('linux') or sys.platform.startswith('cygwin'):
            # this excludes your current terminal "/dev/tty"
            ports = glob.glob('/dev/tty[A-Za-z]*')
        elif sys.platform.startswith('darwin'):
            ports = glob.glob('/dev/tty.*')
        else:
            raise EnvironmentError('Unsupported platform')

        result = []
        for port in ports:
            try:
                s = serial.Serial(port)
                s.close()
                result.append(port)
            except (OSError, serial.SerialException):
                pass

        return result


def main():
    aser = ArduinoSerial()
    ports = aser.find_serial_ports()
    print(f"Ports (find): {ports}")
    aser.OpenSerialPort()
    aser.CloseSerialPort()


if __name__ == '__main__':
    main()

output of internal test:

Output:
Ports (find): ['/dev/ttyACM0']
ports: ['/dev/ttyACM0']
self.port: /dev/ttyACM0
self.sstream: Serial<id=0x7faf12c0b0a0, open=True>(port='/dev/ttyACM0', baudrate=9600, bytesize=8, parity='N', stopbits=1, timeout=2, xonxoff=False, rtscts=False, dsrdtr=False)