Python内置ssl模块编程（1）

#!/usr/bin/env python
import socket, sys
def sendall(s, buf):

byteswritten = 0

while byteswritten < len(buf):

byteswritten += s.write(buf[byteswritten:])
print "Creating socket...",

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

print "done."
print "Connecting to remote host...",

s.connect(("127.0.0.1", 443))

print "done."
print "Establishing SSL...",

ssl = socket.ssl(s)

print "done."
print "Requesting document...",

sendall(ssl, "GET / HTTP/1.0\r\n\r\n")

print "done."
s.shutdown(1)
while 1:

try:

buf = ssl.read(1024)

except socket.sslerror, err:

if (err[0]) in [socket.SSL_ERROR_ZERO_RETURN, socket.SSL_ERROR_EOF]:

break

elif (err[0]) in [socket.SSL_ERROR_WANT_READ,

socket.SSL_ERROR_WANT_WRITE]:

continue

raise

if len(buf) == 0:

break

sys.stdout.write(buf)
s.close()