ioutil.py

from detect import LINUX, WINDOWS
from glob import glob


def find_udev(check, product_id):
	ports = []
	if LINUX:
		try:
			import pyudev

			context = pyudev.Context()
			for device in context.list_devices(subsystem='tty', ID_MODEL=product_id):
				if check(device.device_node):
					ports.append(device.device_node)
		except ImportError:
			pass		
	return ports

def find_serial_by_id(check, product_id):
	ports = []
	if LINUX:
		for port in glob('/dev/serial/by-id/*' + product_id + '*'):
			if check(port):
				ports.append(port)
	return ports

def find_com_ports(check):
	ports = []
	if WINDOWS:
		from serial.tools import list_ports
		com_ports = [p[0] for p in list_ports.comports()]
		com_ports.sort()
		for port in com_ports:
			if check(port, False):
				ports.append(port)
	else:
		for port in glob('/dev/ttyUSB*'):
			if check(port):
				ports.append(port)
	return ports