Allow CORS with python simple http server

cors_server.py

import sys
import SimpleHTTPServer
class CORSHTTPRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
    def send_head(self):
        path = self.translate_path(self.path)
        f = None
        if os.path.isdir(path):
            if not self.path.endswith('/'):
                # redirect browser - doing basically what apache does
                self.send_response(301)
                self.send_header("Location", self.path + "/")
                self.end_headers()
                return None
            for index in "index.html", "index.htm":
                index = os.path.join(path, index)
                if os.path.exists(index):
                    path = index
                    break
            else:
                return self.list_directory(path)
        ctype = self.guess_type(path)
        try:
            f = open(path, 'rb')
        except IOError:
            self.send_error(404, "File not found")
            return None
        self.send_response(200)
        self.send_header("Content-type", ctype)
        fs = os.fstat(f.fileno())
        self.send_header("Content-Length", str(fs[6]))
        self.send_header("Last-Modified", self.date_time_string(fs.st_mtime))
        self.send_header("Access-Control-Allow-Origin", "*")
        self.end_headers()
        return f


if __name__ == "__main__":
    import os
    import SocketServer

    PORT = (len(sys.argv) > 1 and int(sys.argv[1])) or 31338

    Handler = CORSHTTPRequestHandler

    httpd = SocketServer.TCPServer(("", PORT), Handler)

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