254 lines
7.0 KiB
Python
Executable File
254 lines
7.0 KiB
Python
Executable File
#!/usr/bin/env python
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import tornado.ioloop
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import tornado.web
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import tornado.websocket
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from tornado import gen
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import tornado.httpserver
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import time
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import base64
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import logging
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import logging.config
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import cmd, sys
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import glob, os, time, datetime
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import sys, subprocess
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import math, codecs
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from math import sqrt
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from gcoder import GCode
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import printcore
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from pprint import pprint
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import pronsole
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from server import basic_auth
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import random
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import textwrap
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import SocketServer
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import socket
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import mdns
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log = logging.getLogger("root")
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# Authentication
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# -------------------------------------------------
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def authenticator(realm,handle,password):
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"""
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This method is a sample authenticator.
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It treats authentication as successful
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if the handle and passwords are the same.
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It returns a tuple of handle and user name
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"""
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if handle == "admin" and password == "admin" :
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return (handle,'Authorized User')
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return None
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def user_extractor(user_data):
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"""
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This method extracts the user handle from
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the data structure returned by the authenticator
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"""
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return user_data[0]
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def socket_auth(self):
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user = self.get_argument("user", None)
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password = self.get_argument("password", None)
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return authenticator(None, user, password)
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interceptor = basic_auth.interceptor
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auth = basic_auth.authenticate('auth_realm', authenticator, user_extractor)
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#@interceptor(auth)
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# Routing
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# -------------------------------------------------
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class RootHandler(tornado.web.RequestHandler):
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def get(self):
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self.render("index.html")
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class InspectHandler(tornado.web.RequestHandler):
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def prepare(self):
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auth(self, None)
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def get(self):
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self.render("inspect.html")
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#class EchoWebSocketHandler(tornado.web.RequestHandler):
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class ConstructSocketHandler(tornado.websocket.WebSocketHandler):
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def _execute(self, transforms, *args, **kwargs):
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if socket_auth(self):
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super(ConstructSocketHandler, self)._execute(transforms, *args, **kwargs)
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else:
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self.stream.close();
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def open(self):
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pronserve.clients.add(self)
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print "WebSocket opened. %i sockets currently open." % len(pronserve.clients)
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def on_sensor_change(self):
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self.write_message({'sensors': pronserve.sensors})
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def on_pronsole_log(self, msg):
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self.write_message({'log': {msg: msg, level: "debug"}})
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def on_message(self, msg):
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# TODO: the read bit of repl!
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self.write_message("You said: " + msg)
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def on_close(self):
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pronserve.clients.remove(self)
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print "WebSocket closed. %i sockets currently open." % len(pronserve.clients)
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dir = os.path.dirname(__file__)
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settings = dict(
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template_path=os.path.join(dir, "server", "templates"),
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static_path=os.path.join(dir, "server", "static"),
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debug=True,
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)
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application = tornado.web.Application([
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(r"/", RootHandler),
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(r"/inspect", InspectHandler),
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(r"/socket", ConstructSocketHandler)
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], **settings)
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# MDNS Server
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# -------------------------------------------------
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class MdnsServer(object):
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def __init__(self):
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self.servers = set()
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# IPV4
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# SocketServer.TCPServer((HOST, PORT), MyTCPHandler)
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# sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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# sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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# sock.bind(('0.0.0.0', 5353))
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# sock.listen(5)
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# self.sockets.add(sock)
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# self.poll_rate = 0.01 # seconds
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# IPV4
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server = SocketServer.UDPServer(('0.0.0.0', 5353), MdnsHandler, False)
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#server.allow_reuse_address = True;
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server.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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server.socket.bind(('0.0.0.0', 5353))
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# server.server_bind() # Manually bind, to support allow_reuse_address
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server.server_activate() # (see above comment)
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server.serve_forever()
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#server.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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self.servers.add(server)
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# IPV6
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# sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
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# sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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# sock.bind(('0:0:0:0:0:0:0:0', 5353))
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# sock.listen(5)
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# self.sockets.add(sock)
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class MdnsHandler(SocketServer.BaseRequestHandler):
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def handle(self):
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data = self.request[0].strip()
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socket = self.request[1]
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print "{} wrote:".format(self.client_address[0])
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print data
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socket.sendto(data.upper(), self.client_address)
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# Pronserve: Server-specific functionality
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# -------------------------------------------------
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class Pronserve(pronsole.pronsole):
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def __init__(self):
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pronsole.pronsole.__init__(self)
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self.settings.sensor_names = {'T': 'extruder', 'B': 'bed'}
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self.stdout = sys.stdout
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#self.init_Settings()
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self.ioloop = tornado.ioloop.IOLoop.instance()
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self.clients = set()
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self.settings.sensor_poll_rate = 0.7 # seconds
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self.sensors = {'extruder': -1, 'bed': -1}
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self.load_default_rc()
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#self.mdns = MdnsServer()
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services = ({'type': '_construct._tcp', 'port': 8888, 'domain': "local."})
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self.mdns = mdns.publisher().save_group({'name': 'pronserve', 'services': services })
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self.recvcb("T:10 B:20")
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def run_sensor_loop(self):
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self.request_sensor_update()
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next_timeout = time.time() + self.settings.sensor_poll_rate
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gen.Task(self.ioloop.add_timeout(next_timeout, self.run_sensor_loop))
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def request_sensor_update(self):
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if self.p.online: self.p.send_now("M105")
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self.fire("sensor_change")
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def recvcb(self, l):
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""" Parses a line of output from the printer via printcore """
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l = l.rstrip()
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print l
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if "T:" in l:
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self._receive_sensor_update(l)
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if l!="ok" and not l.startswith("ok T") and not l.startswith("T:"):
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self._receive_printer_error(l)
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def _receive_sensor_update(self, l):
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words = l.split(" ")
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words.pop(0)
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d = dict([ s.split(":") for s in words])
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print list([ (key, value) for key, value in d.iteritems()])
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for key, value in d.iteritems():
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self.__update_item(key, value)
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print "loop is over"
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self.fire("sensor_change")
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def __update_item(self, key, value):
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sensor_name = self.settings.sensor_names[key]
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self.sensors[sensor_name] = value
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def fire(self, event_name, content=None):
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for client in self.clients:
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if content == None:
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getattr(client, "on_" + event_name)()
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else:
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getattr(client, "on_" + event_name)(content)
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def log(self, *msg):
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msg = ''.join(str(i) for i in msg)
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print msg
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self.fire("pronsole_log", msg)
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def write_prompt(self):
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None
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# Server Start Up
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# -------------------------------------------------
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print "Pronserve is starting..."
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pronserve = Pronserve()
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pronserve.do_connect("")
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pronserve.run_sensor_loop()
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if __name__ == "__main__":
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application.listen(8888)
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print "\n"+"-"*80
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welcome = textwrap.dedent(u"""
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+---+ \x1B[0;32mPronserve: Your printer just got a whole lot better.\x1B[0m
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| \u2713 | Ready to print.
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+---+ More details at http://localhost:8888/""")
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sys.stdout.write(welcome)
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print "\n\n" + "-"*80 + "\n"
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try:
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pronserve.ioloop.start()
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except:
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pronserve.p.disconnect()
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