PK ! pyxtermjs/__init__.py__version__ = "0.1.0"
PK ! f pyxtermjs/app.py#!/usr/bin/env python3
from flask import Flask, render_template
from flask_socketio import SocketIO
import pty
import os
import subprocess
import select
app = Flask(
__name__, template_folder=".", static_folder=".", static_url_path="")
app.config["SECRET_KEY"] = "secret!"
app.config["fd"] = None
app.config["child_pid"] = None
socketio = SocketIO(app)
def read_and_forward_pty_output():
max_read_bytes = 1024 * 20
while True:
socketio.sleep(0.01)
if app.config["fd"]:
timeout_sec = 0
(data_ready, _, _) = select.select([app.config["fd"]], [], [],
timeout_sec)
if data_ready:
output = os.read(app.config["fd"], max_read_bytes).decode()
socketio.emit(
"pty-output", {"output": output}, namespace="/pty")
@app.route("/")
def index():
return render_template("index.html")
@socketio.on("pty-input", namespace="/pty")
def pty_input(data):
"""write to the child pty"""
if app.config["fd"]:
os.write(app.config["fd"], data["input"].encode())
@socketio.on("connect", namespace="/pty")
def connect():
"""new client connected"""
if app.config["child_pid"]:
# already started child process, don't start another
return
# create child process attached to a pty we can read from and write to
(child_pid, fd) = pty.fork()
if child_pid == 0:
# this is the child process fork.
# anything printed here will show up in the pty, including the output
# of this subprocess
subprocess.run(["bash"])
else:
# this is the parent process fork.
# store child fd and pid
app.config["fd"] = fd
app.config["child_pid"] = child_pid
print("child pid is", child_pid)
print("starting background task to continously read and forward pty "
"output to client")
socketio.start_background_task(target=read_and_forward_pty_output)
print("task started")
def main(debug=False, port=5000):
print(f"serving on http://127.0.0.1:{port}")
socketio.run(app, debug=debug, port=port)
if __name__ == "__main__":
main(debug=True)
PK ! wL pyxtermjs/index.html
pyxterm.jspyxterm.jsstatus: connecting...
PK !HzY* 0 * pyxtermjs-0.1.0.dist-info/entry_points.txtN+I/N.,()*(I-*
r3 PK ! + + ! pyxtermjs-0.1.0.dist-info/LICENSEMIT License
Copyright (c) 2018 Chad Smith
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
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