server.py

from http.server import BaseHTTPRequestHandler,HTTPServer
  
PORT_NUMBER = 5000

class myHandler(BaseHTTPRequestHandler):
    def do_GET(self):
        if self.path == '/' or self.path == "":
            self.path = "/index.html"
        try:
            sendReply = False
            if self.path.endswith(".html"):
                mimetype = "text/html"
                sendReply = True
            if self.path.endswith(".json"):
                mimetype = "text/plain"
                sendReply = True
            if self.path.endswith(".js"):
                mimetype = "application/javascript"
                sendReply = True

            if sendReply:
                f = open("." + self.path)
                self.send_response(200)
                self.send_header("Content-type", mimetype)
                self.end_headers()
                self.wfile.write(bytes(f.read(), encoding="utf8"))
                f.close()
            return
        except IOError:
            self.send_error(404,"File Not Found: " + self.path)

    def do_POST(self):
        content_length = int(self.headers["Content-Length"])
        post_data = self.rfile.read(content_length).decode("utf8")
        print(post_data)
        f = open('.' + self.path, 'w')
        f.write(post_data)
        f.close()
        self.send_response(200)
        self.send_header("Content-type", "")
        self.end_headers()

try:
    server = HTTPServer(('', PORT_NUMBER), myHandler)
    server.serve_forever()

except KeyboardInterrupt:
    server.socket.close()