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# To test it with netcat, start the script and execute:
#
#    echo "Hello, cat." | ncat.exe 127.0.0.1 12345
#
import socket

HOST
= 'localhost'   # use '' to expose to all networks
PORT
= 12345

def incoming(host, port):
 
"""Open specified port and return file-like object"""
  sock
= socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 
# set SOL_SOCKET.SO_REUSEADDR=1 to reuse the socket if
 
# needed later without waiting for timeout (after it is
 
# closed, for example)
  sock
.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
  sock
.bind((host, port))
  sock
.listen(0)   # do not queue connections
  request
, addr = sock.accept()
 
return request.makefile('r', 0)
# /-- network ---


for line in incoming(HOST, PORT):
 
print line,

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