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#!/usr/bin/env python
"""Scan for serial ports.
Part of pySerial (http://pyserial.sf.net) (C)2002-2003 <cliechti@gmx.net>
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)
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