#! /usr/bin/env python
"""\
Scan for serial ports.

Part of pySerial (http://pyserial.sf.net)
(C) 2002-2003 <[email protected]>

The scan function of this module tries to open each port number
from 0 to 255 and it builds a list of those ports where this was
successful.
"""

import serial

def scan():
"""scan for available ports. return a list of tuples (num, name)"""
available = []
for i in range(256):
try:
s = serial.Serial(i)
available.append( (i, s.portstr))
s.close() # explicit close 'cause of delayed GC in java
except serial.SerialException:
pass
return available

if __name__=='__main__':
print "Found ports:"
for n,s in scan():
print "(%d) %s" % (n,s)