SublimeREPL/config/Python/ipy_repl.py file for integrating Jupyter & IPython 6 in SublimeREPL console

ipy_repl.py

import os
import json
import socket
import threading

activate_this = os.environ.get("SUBLIMEREPL_ACTIVATE_THIS", None)
# turn off pager
os.environ['TERM'] = 'emacs'

if activate_this:
    with open(activate_this, "r") as f:
        exec(f.read(), {"__file__": activate_this})

try:
    import jupyter_console.app
    JUPYTER = True
except ImportError:
    JUPYTER = False

if not JUPYTER:
    try:
        import IPython
        IPYTHON = True
        version = IPython.version_info[0]
    except ImportError:
        # for virtualenvs w/o IPython
        import code
        code.InteractiveConsole().interact()

# Jupyter and IPython 4+
if JUPYTER or (IPYTHON and version > 3):
    from traitlets.config.loader import Config
# all other versions
else:
    from IPython.config.loader import Config

editor = "subl -w"

cfg = Config()
cfg.ZMQTerminalInteractiveShell.simple_prompt = True
cfg.InteractiveShell.readline_use = False
cfg.InteractiveShell.autoindent = True
cfg.InteractiveShell.colors = "NoColor"
cfg.InteractiveShell.editor = os.environ.get("SUBLIMEREPL_EDITOR", editor)

if JUPYTER:
    app = jupyter_console.app.ZMQTerminalIPythonApp(config=cfg, user_ns={})
elif IPYTHON:
    app = IPython.terminal.ipapp.TerminalIPythonApp(config=cfg, user_ns={})

app.initialize()

ac_port = int(os.environ.get("SUBLIMEREPL_AC_PORT", "0"))
ac_ip = os.environ.get("SUBLIMEREPL_AC_IP", "127.0.0.1")

if ac_port:
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.connect((ac_ip, ac_port))

def read_netstring(s):
    size = 0
    while True:
        ch = s.recv(1)
        if ch == b':':
            break
        size = size * 10 + int(ch)
    msg = b""
    while size != 0:
        msg += s.recv(size)
        size -= len(msg)
    ch = s.recv(1)
    assert ch == b','
    return msg

def send_netstring(sock, msg):
    payload = b"".join([str(len(msg)).encode("ascii"), b':', msg.encode("utf-8"), b','])
    sock.sendall(payload)

def complete(shell, req):
    # Jupyter
    if JUPYTER:
        result = shell.Completer.complete_request(req['line'], req['cursor_pos'])
        return (req['line'], result['matches'])
    # Ipython 4
    elif IPYTHON and version > 3:
        return shell.complete(**req)
    # Ipython 1-3
    else:
        return []

def handle():
    while True:
        msg = read_netstring(s).decode("utf-8")
        try:
            req = json.loads(msg)
            result = complete(app.shell, req)
            res = json.dumps(result)
            send_netstring(s, res)
        except Exception:
            send_netstring(s, b"[]")

if ac_port:
    t = threading.Thread(target=handle)
    t.start()

app.start()

if ac_port:
    s.close()

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