circuitpython/esp8266/scripts/webrepl.py

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# This module should be imported from REPL, not run from command line.
import socket
import uos
import network
import websocket
import websocket_helper
listen_s = None
client_s = None
def setup_conn(port):
global listen_s, client_s
listen_s = socket.socket()
listen_s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
ai = socket.getaddrinfo("0.0.0.0", port)
addr = ai[0][4]
listen_s.bind(addr)
listen_s.listen(1)
listen_s.setsockopt(socket.SOL_SOCKET, 20, accept_conn)
for i in (network.AP_IF, network.STA_IF):
iface = network.WLAN(i)
if iface.active():
print("WebREPL daemon started on ws://%s:%d" % (iface.ifconfig()[0], port))
def accept_conn(listen_sock):
global client_s
cl, remote_addr = listen_sock.accept()
print("\nWebREPL connection from:", remote_addr)
client_s = cl
websocket_helper.server_handshake(cl)
ws = websocket.websocket(cl, True)
cl.setblocking(False)
# notify REPL on socket incoming data
cl.setsockopt(socket.SOL_SOCKET, 20, uos.dupterm_notify)
uos.dupterm(ws)
def stop():
global listen_s, client_s
uos.dupterm(None)
if client_s:
client_s.close()
if listen_s:
listen_s.close()
def start(port=8266):
stop()
setup_conn(port)