repetier-proxy.py

#!/usr/bin/env python3

import http.server
import socketserver
from urllib import request,parse,error
PORT=3345
class Proxy(http.server.BaseHTTPRequestHandler):
 def do_POST(self):
  newpath = "http://localhost:3344" + self.path
  req = request.Request(newpath)
  for h in self.headers.items():
   req.add_header(h[0],h[1])
  inputdata = ''
  contlen = self.headers.get('Content-length')
  enc = self.headers.get('Transfer-Encoding')
  if contlen:
   inputdata = self.rfile.read(int(contlen))
  elif enc == 'chunked':
   line = self.rfile.readline()
   inputdata = line
   readsize = int(line,16)
   while(readsize > 0):
    inputdata = inputdata + self.rfile.read(readsize)
    inputdata = inputdata + self.rfile.readline()
    line = self.rfile.readline()
    inputdata = inputdata + line
    readsize = int(line,16)
  else:
   inputdata = ''
  req.data = inputdata
  try:
   result = request.urlopen(req)
  except error.HTTPError as err:
   self.send_error(err.code,err.reason)
   return
  self.send_response(result.status)
  for h in result.getheaders():
   self.send_header(h[0],h[1])
  self.end_headers()
  resdata = result.read()
  self.wfile.write(resdata)

#  pdb.set_trace()

httpd = socketserver.ForkingTCPServer(('',PORT),Proxy)
try:
 httpd.serve_forever()
except (Exception,KeyboardInterrupt):
 httpd.shutdown()