#!/usr/bin/env python

# A daemon which should be able to run a script, as said by the 
# connecting arduino
def get_tty(noinput = True):
	# Get TTY
	arduino_ports = []
	while not arduino_ports:
		arduino_ports = [
			p.device
			for p in serial.tools.list_ports.comports()
			if 'Arduino' in p.description
		]
		if not arduino_ports:
			raise IOError("No Arduino found")

		if len(arduino_ports) > 1:
			if noinput is True:
				raise IOError("Too many Arduinos found")
			else:
				while tty not in arduino_ports:
					tty = raw_input("Enter a tty: "+" ,".join(arduino_ports)+ ";")
			
		else:
			tty = arduino_ports[0]