Simple python web server to control access to a single file (GET/PUT)

fileserv.py

#To write: curl http://localhost:8000/ --upload-file test.xml
#and to read: curl http://localhost:8000/
from __future__ import print_function
from __future__ import unicode_literals
import sys
if sys.version_info[0] >= 3:
	import http.server as httpserver
	import socketserver
else:
	import BaseHTTPServer as httpserver
	import SocketServer as socketserver

class Fileserv(httpserver.BaseHTTPRequestHandler):
	#Single threaded, so we don't need to deal with concurrency!	

	def do_GET(self):
		self.send_response(200)
		self.send_header("Content-type", "text/xml")
		self.end_headers()
		self.wfile.write(open("state.xml", "rt").read())

	def do_PUT(self):
		self.send_response(200)
		self.end_headers()
		fi=open("state.xml", "wt")
		fi.write(self.rfile.read(int(self.headers.getheader('content-length'))))
		fi.close()

if __name__=="__main__":

	PORT = 8000
	httpd = socketserver.TCPServer(("", PORT), Fileserv)

	print ("serving at port", PORT)
	httpd.serve_forever()