[python-chinese] 如何用python模拟一个上传文件的表单提交？

[Nicholas Ding]

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On 6/6/07, É¢Âþ¿áÄк¢ <17mxnet在gmail.com> wrote:
>
> ¸øÄã´úÂë²Î¿¼!
>
> import socket, string
>
> CRLF = "\r\n"
>
> def http_get(host, port = 80, document = "/"):
>
>         try:
>                 http = miniclient(host, port)
>
>         except Exception, e:
>
>                 if e[0] == 111:
>                         print   "Connection refused by server %s on port
> %d" % (host,port)
>
>                 raise
>
>         http.writeline("GET %s HTTP/1.1" % str(document))
>         http.writeline("HOST: %s" % host)
>         http.writeline("User-Agent:     GameSpyHTTP/1.0")
>         http.writeline("Connection: close") # do not keep-alive
>         http.writeline("")
>         http.shutdown() # be nice, tell the http server we're done sending
> the request
>
>         # Determine Status
>         status = string.split(http.readline())
>         if status[0] != "HTTP/1.1":
>                 print "MiniClient: Unknown status response (%s)" %
> str(status[0])
>
>         try:
>                 status = string.atoi(status[1])
>         except ValueError:
>                 print "MiniClient: Non-numeric status code (%s)" %
> str(status[1])
>
>         #Extract Headers
>         headers = []
>         while 1:
>                 line = http.readline()
>                 if not line:
>                         break
>                 headers.append(line)
>
>         http.close() # all done
>
>         #Check we got a valid HTTP response
>         if status == 200:
>                 return http.read()
>         else:
>                 return "E\nH\terr\nD\tHTTP Error\n$\tERR\t$"
>
>
>
> def http_postSnapshot(host, port = 80, document = "/", snapshot = ""):
>
>         try:
>                 http = miniclient(host, port)
>
>         except Exception, e:
>
>                 if e[0] == 111:
>                         print   "Connection refused by server %s on port
> %d" % (host,port)
>
>                 raise
>
>         try:
>                 http.writeline("POST %s HTTP/1.1" % str(document))
>                 http.writeline("HOST:   %s" % str(host))
>                 http.writeline("User-Agent: GameSpyHTTP/1.0")
>                 http.writeline("Content-Type:
> application/x-www-form-urlencoded")
>                 http.writeline("Content-Length: %s" % str(len(snapshot)))
>                 http.writeline("Connection: close")
>                 http.writeline("")
>                 http.writeline(str(snapshot))
>                 http.writeline("")
>                 http.shutdown() # be nice, tell the http server we're done
> sending the request
>
>                 # Check that SnapShot Arrives.
>                 # Determine Status
>                 status = string.split(http.readline())
>                 if status[0] != "HTTP/1.1":
>                         print "MiniClient: Unknown status response (%s)" %
> str(status[0])
>
>                 try:
>                         status = string.atoi(status[1])
>                 except ValueError:
>                         print "MiniClient: Non-numeric status code (%s)" %
> str(status[1])
>
>                 #Extract Headers
>                 headers = []
>                 while 1:
>                         line = http.readline()
>                         if not line:
>                                 break
>                         headers.append(line)
>
>                 http.close() # all done
>
>                 if status == 200:
>                         print "SNAPSHOT Received: OK"
>                         returnCode = 1
>                 else:
>                         print "SNAPSHOT Received: ERROR"
>                         returnCode = 0
>
>                 return status
>
>         except Exception, e:
>                 raise
>
> class miniclient:
>         "Client support class for simple Internet protocols."
>
>         def __init__(self, host, port):
>                 "Connect to an Internet server."
>
>
>                 self.sock = socket.socket(socket.AF_INET,
> socket.SOCK_STREAM)
>                 self.sock.settimeout(30)
>
>                 try:
>                         self.sock.connect((host, port))
>                         self.file = self.sock.makefile("rb")
>
>                 except socket.error, e:
>
>                         #if e[0]        == 111:
>                         #       print   "Connection refused by server %s
> on port %d" % (host,port)
>
>                         raise
>
>
>         def writeline(self, line):
>                 "Send a line to the server."
>
>                 try:
>                         self.sock.send(line + CRLF) # unbuffered write
>
>                 except socket.error, e:
>                         if e[0] == 32 : #broken pipe
>                                 self.sock.close() # mutual close
>                                 self.sock = None
>
>                         raise e
>
>                 except socket.timeout:
>                         self.sock.close() # mutual close
>                         self.sock = None
>
>                         raise
>
>         def readline(self):
>                 "Read a line from the server.  Strip trailing CR and/or
> LF."
>
>
>                 s = self.file.readline()
>
>                 if not s:
>                         raise EOFError
>
>                 if s[-2:] == CRLF:
>                         s = s[:-2]
>
>                 elif s[-1:] in CRLF:
>                         s = s[:-1]
>
>                 return s
>
>
>         def read(self, maxbytes = None):
>                 "Read data from server."
>
>                 if maxbytes is None:
>                         return self.file.read()
>
>                 else:
>                         return self.file.read(maxbytes)
>
>
>         def shutdown(self):
>
>                 if self.sock:
>                         self.sock.shutdown(1)
>
>
>         def close(self):
>
>                 if self.sock:
>                         self.sock.close()
>                         self.sock = None
>
> ÔÚ 07-6-6£¬Âí̤·ÉÑà<honeyday.mj在gmail.com> дµÀ£º
> > ¾ÍÊÇÓÃpythonÌṩµÄurllibÕâÀàµÄ¿âÀ´Ä£ÄâÒ»¸öÉÏ´«ÎļþµÄ±íµ¥µÄÌá½»¶¯×÷£¬°Ñ±¾µØÎļþÌá½»µ½·þÎñÆ÷ÉÏ¡£
> >
> > Ó¦¸ÃÔõôдÄØ£¿
> > Ò»°ãµÄurllib.urlopenÓÃpost´ò¿ªµÄurlÔõô°ÑÎļþµÄÊý¾ÝÁ÷Ҳд¹ýÈ¥ÄØ£¿
> > ½ÓÊÕ·½ÊÇÓÃdjangoдµÄ£¬Ð»Ð»À²¡£
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-- 
Nicholas @ Nirvana Studio
http://www.nirvanastudio.org
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