Test serial_asyncio with socat

serial_asyncio_test.py

import asyncio
import serial_asyncio
import serial

class Output(asyncio.Protocol):
    def connection_made(self, transport):
        self.transport = transport
        print('port opened', transport)
        # This causes an exception
        #transport.serial.rts = False
        transport.write(b'hello world\n')

    def data_received(self, data):
        print('data received', repr(data))
        self.transport.close()

    def connection_lost(self, exc):
        print('port closed')
        asyncio.get_event_loop().stop()

loop = asyncio.get_event_loop()
coro = serial_asyncio.create_serial_connection(loop, Output,
        url='/dev/virtualcom0', baudrate=57600,
        parity=serial.PARITY_NONE,
        stopbits=serial.STOPBITS_ONE,
        xonxoff=True,
        rtscts=False)
loop.run_until_complete(coro)
loop.run_forever()
loop.close()


# Try connecting to a virtual serial port created using:
# socat pty,link=/dev/virtualcom0,raw TCP-LISTEN:11313,reuseaddr,fork