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#!/usr/bin/python

import socket
import urlparse
import re
import os

socket.setdefaulttimeout = 0.50
os.environ['no_proxy'] = '127.0.0.1,localhost'
linkRegex = re.compile('<a\s*href=[\'|"](.*?)[\'"].*?>')
CRLF = "\r\n\r\n"


def GET(url):
    url = urlparse.urlparse(url)
    path = url.path
    if path == "":
        path = "/"
    HOST = url.netloc  # The remote host
    PORT = 80          # The same port as used by the server
    # create an INET, STREAMing socket
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    """
    ***********************************************************************************
    * Note that the connect() operation is subject to the timeout setting,
    * and in general it is recommended to call settimeout() before calling connect()
    * or pass a timeout parameter to create_connection().
    * The system network stack may return a connection timeout error of its own
    * regardless of any Python socket timeout setting.
    ***********************************************************************************
    """
    s.settimeout(0.30)
    """
    **************************************************************************************
    * Avoid socket.error: [Errno 98] Address already in use exception
    * The SO_REUSEADDR flag tells the kernel to reuse a local socket in TIME_WAIT state,
    * without waiting for its natural timeout to expire.
    **************************************************************************************
    """
    s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    #s.setblocking(0)
    s.connect((HOST, PORT))
    s.send("GET / HTTP/1.0%s" % (CRLF))
    data = (s.recv(1000000))
    print data
    # https://docs.python.org/2/howto/sockets.html#disconnecting
    s.shutdown(1)
    s.close()
    print 'Received', repr(data)

GET('http://www.google.com')