Python - Socket using a file

Server Program:

#!/usr/bin/python
# Echo server program
import socket,os

s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
try:
    os.remove("/tmp/py_socket")
except OSError:
    pass
s.bind("/tmp/py_socket")
s.listen(1)
conn, addr = s.accept()
while 1:
    sock_data = conn.recv(1024)
    if not sock_data: break
    conn.send(sock_data)
conn.close()

Client Program:

#!/usr/bin/python
# Echo client program
import socket

s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
s.connect("/tmp/py_socket")
s.send('Hello, world')
data = s.recv(1024)
s.close()
print 'Received', repr(data)