Python socket - A simple TCP client

1. #!/usr/bin/env python
2.  
3.  
4. import socket
5. import sys
6.  
7. HOST = 'coding.debuntu.org'
8. GET = '/rss.xml'
9. PORT = 80
10.  
11. try:
12.   sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
13. except socket.error, msg:
14.   sys.stderr.write("[ERROR] %s\n" % msg[1])
15.   sys.exit(1)
16.  
17. try:
18.   sock.connect((HOST, PORT))
19. except socket.error, msg:
20.   sys.stderr.write("[ERROR] %s\n" % msg[1])
21.   sys.exit(2)
22.  
23. sock.send("GET %s HTTP/1.0\r\nHost: %s\r\n\r\n" % (GET, HOST))
24.  
25. data = sock.recv(1024)
26. string = ""
27. while len(data):
28.   string = string + data
29.   data = sock.recv(1024)
30. sock.close()
31.  
32. print string
33.  
34. sys.exit(0)

Executing this script will produce:

./socket_client.py  
HTTP/1.1 200 OK
Date: Thu, 05 Jun 2008 19:22:34 GMT
Server: Apache
Set-Cookie: SESS25b075688450425d14146275d5eee6c2=30f08bf3bc69bfc905708aa7e4321c6b;
 expires=Sat, 28 Jun 2008 22:55:54 GMT; path=/; domain=.coding.debuntu.org
Expires: Sun, 19 Nov 1978 05:00:00 GMT
Last-Modified: Thu, 05 Jun 2008 19:22:34 GMT
Cache-Control: store, no-cache, must-revalidate
Cache-Control: post-check=0, pre-check=0
Connection: close
Content-Type: application/rss+xml; charset=utf-8

rss data.......

출처 - http://coding.debuntu.org/python-socket-simple-tcp-client