2013-04-11 02:49:35 +00:00
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#!/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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2013-04-19 00:46:19 +00:00
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import uuid
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from operator import itemgetter, attrgetter
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2013-04-19 17:26:03 +00:00
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from collections import deque
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2013-04-11 02:49:35 +00:00
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log = logging.getLogger("root")
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2013-04-19 00:46:19 +00:00
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__UPLOADS__ = "./uploads"
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2013-04-11 02:49:35 +00:00
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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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2013-04-19 17:26:03 +00:00
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class PrintHandler(tornado.web.RequestHandler):
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def put(self):
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pronserve.do_print()
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self.finish("ACK")
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class PauseHandler(tornado.web.RequestHandler):
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def put(self):
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pronserve.do_pause()
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self.finish("ACK")
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class StopHandler(tornado.web.RequestHandler):
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def put(self):
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pronserve.do_stop()
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self.finish("ACK")
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2013-04-19 00:46:19 +00:00
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class JobsHandler(tornado.web.RequestHandler):
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def post(self):
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fileinfo = self.request.files['job'][0]
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pronserve.jobs.add(fileinfo['filename'], fileinfo['body'])
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self.finish("ACK")
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class JobHandler(tornado.web.RequestHandler):
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def delete(self, job_id):
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pronserve.jobs.remove(int(job_id))
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self.finish("ACK")
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def put(self, job_id):
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args = {'position': int(self.get_argument("job[position]"))}
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pronserve.jobs.update(int(job_id), args)
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self.finish("ACK")
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2013-04-11 02:49:35 +00:00
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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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2013-04-19 00:46:19 +00:00
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self.write_message({'connected': {'jobs': pronserve.jobs.public_list()}})
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2013-04-11 02:49:35 +00:00
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print "WebSocket opened. %i sockets currently open." % len(pronserve.clients)
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2013-04-19 17:26:03 +00:00
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def on_sensor_changed(self):
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print "sensor change"
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self.write_message({
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'sensor_changed': {'name': 'bed', 'value': pronserve.sensors['bed']},
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'timestamp': time.time()
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})
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self.write_message({
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'sensor_changed': {'name': 'extruder', 'value': pronserve.sensors['extruder']},
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'timestamp': time.time()
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})
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def on_job_progress_changed(self, progress):
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self.write_message({
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'job_progress_changed': progress,
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'timestamp': time.time()
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})
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def on_job_started(self, job):
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self.write_message({
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'job_started': job,
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'timestamp': time.time()
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})
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def on_job_finished(self, job):
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self.write_message({
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'job_finished': job,
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'timestamp': time.time()
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})
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2013-04-19 00:46:19 +00:00
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def on_job_added(self, job):
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self.write_message({'job_added': pronserve.jobs.sanitize(job)})
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def on_job_removed(self, job):
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self.write_message({'job_removed': {
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"id": job["id"]
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}})
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def on_job_updated(self, job):
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print("what the hell?")
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pprint(pronserve.jobs.sanitize(job))
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self.write_message({'job_updated': pronserve.jobs.sanitize(job)})
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2013-04-11 02:49:35 +00:00
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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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print "message received: %s"%(msg)
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2013-04-11 02:49:35 +00:00
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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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2013-04-11 02:49:35 +00:00
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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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2013-04-19 00:46:19 +00:00
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(r"/socket", ConstructSocketHandler),
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(r"/jobs", JobsHandler),
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2013-04-19 17:26:03 +00:00
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(r"/jobs/([0-9]*)", JobHandler),
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(r"/jobs/print", PrintHandler),
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(r"/jobs/pause", PauseHandler),
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(r"/stop", StopHandler)
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2013-04-11 02:49:35 +00:00
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], **settings)
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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.ioloop = tornado.ioloop.IOLoop.instance()
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self.clients = set()
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self.settings.sensor_poll_rate = 1 # seconds
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self.sensors = {'extruder': -1, 'bed': -1}
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self.load_default_rc()
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self.jobs = PrintJobQueue()
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self.job_id_incr = 0
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self.printing_jobs = False
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self.current_job = None
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self.previous_job_progress = 0
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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.jobs.listeners.append(self)
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2013-04-19 17:26:03 +00:00
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def do_print(self):
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if self.p.online:
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self.printing_jobs = True
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def run_print_queue_loop(self):
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# This is a polling work around to the current lack of events in printcore
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# A better solution would be one in which a print_finised event could be
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# listend for asynchronously without polling.
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p = self.p
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if self.printing_jobs and p.printing == False and p.paused == False and p.online:
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if self.current_job != None:
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self.update_job_progress(100)
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self.fire("job_finished", self.jobs.sanitize(self.current_job))
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if len(self.jobs.list) > 0:
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print "Starting the next print job"
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self.current_job = self.jobs.list.popleft()
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self.p.startprint(self.current_job['body'].split("\n"))
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self.fire("job_started", self.jobs.sanitize(self.current_job))
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else:
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print "Finished all print jobs"
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self.current_job = None
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self.printing_jobs = False
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# Updating the job progress
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self.update_job_progress(self.print_progress())
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#print "print loop"
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next_timeout = time.time() + 0.3
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gen.Task(self.ioloop.add_timeout(next_timeout, self.run_print_queue_loop))
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def update_job_progress(self, progress):
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if progress != self.previous_job_progress and self.current_job != None:
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self.previous_job_progress = progress
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self.fire("job_progress_changed", progress)
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2013-04-11 02:49:35 +00:00
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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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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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2013-04-19 17:26:03 +00:00
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def print_progress(self):
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if(self.p.printing):
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return 100*float(self.p.queueindex)/len(self.p.mainqueue)
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if(self.sdprinting):
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return self.percentdone
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return 0
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2013-04-11 02:49:35 +00:00
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def _receive_sensor_update(self, l):
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words = filter(lambda s: s.find(":") > 0, l.split(" "))
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d = dict([ s.split(":") for s in words])
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2013-04-19 17:26:03 +00:00
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print "sensor update received!"
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2013-04-11 02:49:35 +00:00
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for key, value in d.iteritems():
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self.__update_sensor(key, value)
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2013-04-19 17:26:03 +00:00
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self.fire("sensor_changed")
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def __update_sensor(self, key, value):
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if (key in self.settings.sensor_names) == False:
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return
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sensor_name = self.settings.sensor_names[key]
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self.sensors[sensor_name] = float(value)
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def receive_event(self, src, event_name, content=None):
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self.fire(event_name, content)
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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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class PrintJobQueue():
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def __init__(self):
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self.list = deque([])
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self.__last_id = 0
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self.listeners = []
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def public_list(self):
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# A sanitized version of list for public consumption via construct
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l2 = []
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for job in self.list:
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l2.append(self.sanitize(job))
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return l2
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def sanitize(self, job):
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return dict(
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id = job["id"],
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original_file_name = job["original_file_name"],
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rank = job["rank"]
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)
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def order(self):
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sorted(self.list, key=lambda job: job['rank'])
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def add(self, original_file_name, body):
|
|
|
|
ext = os.path.splitext(original_file_name)[1]
|
|
|
|
job = dict(
|
|
|
|
id = self.__last_id,
|
|
|
|
rank = len(self.list),
|
|
|
|
original_file_name=original_file_name,
|
2013-04-19 17:26:03 +00:00
|
|
|
body= body,
|
2013-04-19 00:46:19 +00:00
|
|
|
)
|
|
|
|
self.__last_id += 1
|
|
|
|
|
|
|
|
self.list.append(job)
|
2013-04-19 17:26:03 +00:00
|
|
|
print "Added %s"%(original_file_name)
|
2013-04-19 00:46:19 +00:00
|
|
|
self.fire("job_added", job)
|
|
|
|
|
|
|
|
def display_summary(self):
|
|
|
|
print "Print Jobs:"
|
|
|
|
for job in self.list:
|
|
|
|
print " %i: %s"%(job['id'], job['original_file_name'])
|
|
|
|
print ""
|
|
|
|
return True
|
|
|
|
|
|
|
|
def remove(self, job_id):
|
|
|
|
job = self.find_by_id(job_id)
|
|
|
|
if job == None:
|
|
|
|
return False
|
|
|
|
self.list.remove(job)
|
|
|
|
print "Print Job Removed"
|
|
|
|
self.fire("job_removed", job)
|
|
|
|
|
|
|
|
def update(self, job_id, job_attrs):
|
|
|
|
job = self.find_by_id(job_id)
|
|
|
|
if job == None:
|
|
|
|
return False
|
|
|
|
job['rank'] = job_attrs['position']
|
|
|
|
self.order()
|
|
|
|
print "Print Job Updated"
|
|
|
|
self.fire("job_updated", job)
|
|
|
|
|
|
|
|
def find_by_id(self, job_id):
|
|
|
|
for job in self.list:
|
|
|
|
if job['id'] == job_id: return job
|
|
|
|
return None
|
|
|
|
|
|
|
|
def fire(self, event_name, content):
|
|
|
|
self.display_summary()
|
|
|
|
for listener in self.listeners:
|
|
|
|
listener.receive_event(self, event_name, content)
|
|
|
|
|
|
|
|
|
2013-04-11 02:49:35 +00:00
|
|
|
|
|
|
|
# Server Start Up
|
|
|
|
# -------------------------------------------------
|
|
|
|
|
|
|
|
print "Pronserve is starting..."
|
|
|
|
pronserve = Pronserve()
|
|
|
|
pronserve.do_connect("")
|
2013-04-11 03:04:52 +00:00
|
|
|
|
2013-04-19 17:26:03 +00:00
|
|
|
time.sleep(1)
|
2013-04-11 02:49:35 +00:00
|
|
|
pronserve.run_sensor_loop()
|
2013-04-19 17:26:03 +00:00
|
|
|
pronserve.run_print_queue_loop()
|
2013-04-11 02:49:35 +00:00
|
|
|
|
|
|
|
if __name__ == "__main__":
|
|
|
|
application.listen(8888)
|
|
|
|
print "\n"+"-"*80
|
|
|
|
welcome = textwrap.dedent(u"""
|
|
|
|
+---+ \x1B[0;32mPronserve: Your printer just got a whole lot better.\x1B[0m
|
|
|
|
| \u2713 | Ready to print.
|
|
|
|
+---+ More details at http://localhost:8888/""")
|
|
|
|
sys.stdout.write(welcome)
|
|
|
|
print "\n\n" + "-"*80 + "\n"
|
|
|
|
|
|
|
|
try:
|
|
|
|
pronserve.ioloop.start()
|
|
|
|
except:
|
|
|
|
pronserve.p.disconnect()
|