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MyASPN >> Mail Archive >> activepython
activepython
HTTP headers problem
by Jeremy Aiyadurai other posts by this author
May 3 2002 2:18AM messages near this date
view in the new Beta List Site
Re: Low level python | Re: HTTP headers problem
hi all

here is a barebone webserver. I am having problems with the http headers. I
can get a page to load in
netscape, but not Internet explorer.

the following is the code. please pay close attention to the
getParse(),createHeader() and contentType() subroutines.

Your help is much appreciated. 

Jeremy A.

############################################################################
#######
#!python


from socket import *
import re
from string import *


class webserver:

	def __init__(self,port,wwwroot):
		self.PORT = port
		self.WWWROOT = wwwroot

	def start(self):
		print "Starting server..."
		ss = socket(AF_INET,SOCK_STREAM)
		ss.bind(("127.0.0.1",self.PORT))
		print "Server Bound"
		ss.setblocking(1)
		ss.listen(1)
		print "\nListening..."
		self.handle(ss)             
	
	def handle(self, ss):
	  	while 1:
		  	client,addr = ss.accept()
		  	self.Analyze(client)

		  		
	def Analyze(self,client):
		response = self.stringread(client)
		method,url,proto = split(response," ")
		proto = self.chomp(proto)
		print method				
		result = None
		response = self.stringread(client)
		result = re.match('\S',response)
		print result
		while result == None:
			response = self.stringread(client)
			result = re.match('\S',response)
			print result
		
		if method == "GET":  
			self.getParse(url,proto,client)
		
	
	def chomp(self,s):
     		if s[-2:] == '\r\n':
     			return s[:-2]
     		if s[-1:] == '\r' or s[-1:] == '\n':
     			return s[:-1]
     		return s
	  		
	
	
	def getParse(self,url,proto,client):
		if url == "/":
			print "in"
			url = "index.html"
		htm = open(""+url+"","r")
		buf = htm.read()
		self.createHeader(url,proto,client)
		client.send(buf)
		client.shutdown(2)
		
		
	
	def createHeader(self,url,proto,client):
		print ""+proto+" 200 OK\n"
		client.send(proto+" 200 OK\r\n")
		self.contentType(url,client)
		
	def contentType(self,url,client):
		client.send("Content-Type: text/html\r\n\r\n")
		
	def stringread(self,ss):
		string = ""
		while 1:
			response = ss.recv(1)
			if response != "\n":
				string = string+""+response
			else:
				break
		return string+"\n"
				
				


if __name__ == "__main__":
	server = webserver(80,'/')  # Make sure port is passed as integer
	server.start()               # '()' again


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