try: import usocket as socket except: import socket CONTENT = b"""\ HTTP/1.0 200 OK Hello #%d from MicroPython! """ def main(micropython_optimize=False): s = socket.socket() # Binding to all interfaces - server will be accessible to other hosts! ai = socket.getaddrinfo("0.0.0.0", 8080) print("Bind address info:", ai) addr = ai[0][-1] s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) s.bind(addr) s.listen(5) print("Listening, connect your browser to http://:8080/") counter = 0 while True: res = s.accept() client_sock = res[0] client_addr = res[1] print("Client address:", client_addr) print("Client socket:", client_sock) if not micropython_optimize: # To read line-oriented protocol (like HTTP) from a socket (and # avoid short read problem), it must be wrapped in a stream (aka # file-like) object. That's how you do it in CPython: client_stream = client_sock.makefile("rwb") else: # .. but MicroPython socket objects support stream interface # directly, so calling .makefile() method is not required. If # you develop application which will run only on MicroPython, # especially on a resource-constrained embedded device, you # may take this shortcut to save resources. client_stream = client_sock print("Request:") req = client_stream.readline() print(req) while True: h = client_stream.readline() if h == b"" or h == b"\r\n": break print(h) client_stream.write(CONTENT % counter) client_stream.close() if not micropython_optimize: client_sock.close() counter += 1 print() main()