import os

def identify():
	ports=[]
	o=os.popen('cat /proc/tty/driver/usbserial')
	p=o.read()
	q=p.split('\n')
	for i in range(len(q)):
		r=q[i].partition('"')[2].partition('"')[0]
		if len(r):
			ports.append(['/dev/ttyUSB'+str(i-1),r])
	return ports

if __name__=="__main__":
	p=identify()
	for i in p:
		print i[0]+" : "+i[1]