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NeuralManager.py
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NeuralManager.py
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import tornado.httpserver
import tornado.ioloop
import tornado.web
import tornado.websocket
from tornado import gen
from tornado.queues import Queue
from mako import exceptions
from mako.template import Template
from mako.lookup import TemplateLookup
from zope.interface import implementer
from concurrent.futures import ThreadPoolExecutor
from twisted.logger import (globalLogBeginner, Logger, jsonFileLogObserver,
ILogObserver, textFileLogObserver)
from tornado.concurrent import return_future
from tornado.concurrent import run_on_executor
import os, sys, time
import signal
import json
from datetime import timedelta
import datetime
import codecs
import numpy as np
import io
import importlib, inspect
network = ''
initialized = False
actionQueue = Queue()
ourSecretPassword = "password"
ourSecretUsername = "guinness"
print(tornado.version)
name = "digitRecognizer"
log = Logger()
root = os.path.join(os.path.dirname(__file__), ".")
lookup = TemplateLookup(directories=[os.path.join(root, 'views')],
input_encoding='utf-8',
output_encoding='utf-8',
default_filters=['decode.utf8'],
module_directory=os.path.join(root, 'tmp/mako'))
#############################
#
# Network Functions
#
#############################
@gen.coroutine
def initNetwork(callback=None):
app.state = "Compiling your model."
for sock in app.mainSockets:
sock.write_message("state&Compiling your model.")
try:
mod = importlib.import_module(app.model)
clsmembers = inspect.getmembers(mod, inspect.isclass)
app.network = clsmembers[0][1]()
except:
for sock in app.mainSockets:
sock.write_message("state&Error loading file.")
print("Selected model, "+ app.model, ", not available.")
return
app.times = []
app.initialized = True
for sock in app.mainSockets:
sock.write_message("state&Model Compiled.")
app.currentIterations = 0
app.state = "Model Compiled"
@gen.coroutine
def train(callback=None):
if app.initialized == False:
print("network not yet initialized")
return
for sock in app.mainSockets:
sock.write_message("state&Training")
app.state = "Training"
starttime = time.time()
app.train_err = app.network.train()
app.train_err_arr.append(app.train_err)
dt = time.time() - starttime
app.times.append(dt)
validation()
snapshot()
app.iterationsToGo -=1
app.currentIterations +=1
app.state = "Idle"
for sock in app.mainSockets:
sock.write_message("state&Idle")
sock.write_message("epoch&" + str(app.currentIterations))
sock.write_message("epochTarget&" + str(app.currentIterations + app.iterationsToGo))
sock.write_message("avgtime&" + "{:.2f}".format(sum(app.times) / float(len(app.times))))
sock.write_message("remaining&" + "{:.2f}".format((sum(app.times) / float(len(app.times)))*app.iterationsToGo ))
sock.write_message("trainerr&" + "{:.2f}".format(app.train_err))
sock.write_message("accuracy&" + "{:.2f}".format(app.val_acc))
sock.write_message("snapshot&" + app.snapshot)
@gen.coroutine
def validation(callback=None):
if app.initialized == False:
print("network not yet initialized")
return
app.val_acc = app.network.val_acc()
app.accuracy_arr.append(app.val_acc)
@gen.coroutine
def snapshot(callback=None):
if app.initialized == False:
print("network not yet initialized")
return
print(sys.getsizeof(app.network))
app.snapshot = app.network.snapshot()
@gen.coroutine
def idle(callback=None):
gen.sleep(0.01)
@return_future
def save(callback=None):
if app.initialized == False:
print("network not yet initialized")
return
if not os.path.exists(name):
os.makedirs(name)
savedParams = {}
for i in range(0, len(app.network.params)):
savedParams[i] = app.network.params[i].get_value().tolist()
with open('./'+name+'/parameters.json', 'w') as fp:
json.dump(savedParams, fp, separators=(',', ':'), sort_keys=True, indent=4)
print("Backup complete.")
@return_future
def load(callback=None):
if app.initialized == False:
print("network not yet initialized")
return
obj = codecs.open('./'+name+'/parameters.json', 'r', encoding='utf-8').read()
jsonObj = json.loads(obj)
temp = app.network.params
for i in range(0, len(jsonObj)):
app.network.params[i].set_value(np.float32(np.array(jsonObj[str(i)])))
print("Load successful.")
@return_future
def fileGrabber(callback=None):
print('file grab')
path_to_watch = "models/"
app.models = [f for f in os.listdir (path_to_watch)]
# print app.models
class Tasks():
''' concurrent execution of functions '''
executor = ThreadPoolExecutor(max_workers=4)
@run_on_executor
def futureCreator(self, func):
result = func()
#############################
#
# WebSockets
#
#############################
class WebSocketHandler(tornado.websocket.WebSocketHandler):
def check_origin(self, origin):
return True
#return bool(re.match(r'^.*?\.mydomain\.com', origin))
def open(self):
print("WebSocket opened")
app.mainSockets.append(self)
self.write_message("state&" + app.state)
def on_message(self, message):
self.write_message("state&")
def on_close(self):
print("WebSocket closed")
app.mainSockets.remove(self)
class ModelListHandler(tornado.websocket.WebSocketHandler):
def check_origin(self, origin):
return True
#return bool(re.match(r'^.*?\.mydomain\.com', origin))
def open(self):
print("FileListener opened")
app.modelSockets.append(self)
fileGrabber()
print('pls')
print(app.models)
if app.models != []:
self.write_message(str(app.models))
def on_message(self, message):
self.write_message(u"You said: " + message)
def on_close(self):
print("FileListener closed")
app.modelSockets.remove(self)
class BuildLogSocketHandler(tornado.websocket.WebSocketHandler):
def check_origin(self, origin):
return True
#return bool(re.match(r'^.*?\.mydomain\.com', origin))
''' Handle printing of the build log to the client '''
def open(self):
print("BuildLogSocket opened")
app.buildSockets.append(self)
for mess in app.logvar.getRecentLog(50):
self.write_message(mess)
def on_message(self, message):
pass
def on_close(self):
print("BuildLogSocket closed")
app.buildSockets.remove(self)
class AccuracyLossSocketHandler(tornado.websocket.WebSocketHandler):
def check_origin(self, origin):
return True
#return bool(re.match(r'^.*?\.mydomain\.com', origin))
def open(self):
print("AccuracyLossHandler opened")
app.modelSockets.append(self)
if hasattr(app, 'network'):
self.write_message(str(app.accuracy_arr) + '\n' + str(app.train_err_arr))
def on_message(self, message):
pass
def on_close(self):
print("AccuracyLossHandler closed")
app.modelSockets.remove(self)
#############################
#
# Request Endpoints
#
#############################
class BaseHandler(tornado.web.RequestHandler):
def get_current_user(self):
return self.get_secure_cookie("user")
class MainHandler(BaseHandler):
def get(self):
self.write(renderTemplate("main.html"))
class SavedStatesHandler(BaseHandler):
def get(self):
self.write(renderTemplate("savedStates.html"))
class BuildLogHandler(BaseHandler):
def get(self):
self.write(renderTemplate("buildLog.html"))
def post(self):
print(self.request.body)
class NotebookHandler(BaseHandler):
def get(self):
self.write(renderTemplate("notebook.html"))
class LoadHandler(BaseHandler):
@gen.coroutine
def post(self):
if self.current_user.decode() == ourSecretUsername:
print("Initializing Neural Network")
starttime = time.time()
yield actionQueue.put(initNetwork)
self.write("time taken: " + str(time.time() - starttime))
class TrainHandler(BaseHandler):
@gen.coroutine
def post(self):
if self.current_user.decode() == ourSecretUsername:
print("Training Neural Network")
starttime = time.time()
yield actionQueue.put(train)
self.write("time taken: " + str(time.time() - starttime))
app.iterationsToGo +=1
for sock in app.mainSockets:
sock.write_message("epochTarget&" + str(app.currentIterations + app.iterationsToGo))
sock.write_message("remaining&" + "{:.2f}".format((sum(app.times) / float(len(app.times)))*app.iterationsToGo ))
class SnapshotHandler(BaseHandler):
def get(self):
if self.current_user.decode() == ourSecretUsername:
print("Getting a snapshot")
print(sys.getsizeof(app.network))
print(app.network)
self.write("Network Snapshot: " + str(app.snapshot))
class SaveParameterHandler(BaseHandler):
@gen.coroutine
def post(self):
if self.current_user.decode() == ourSecretUsername:
print("Saving current network parameters...")
starttime = time.time()
yield actionQueue.put(save)
self.write("time taken: " + str(time.time() - starttime))
class LoadParameterHandler(BaseHandler):
@gen.coroutine
def post(self):
if self.current_user.decode() == ourSecretUsername:
print("Loading selected network parameters...")
starttime = time.time()
yield actionQueue.put(load)
self.write("time taken: " + str(time.time() - starttime))
class StopHandler(BaseHandler):
@gen.coroutine
def post(self):
if self.current_user.decode() == ourSecretUsername:
print("Stopping Neural Network and Backing up")
app.stopState = True
class ModelHandler(BaseHandler):
@gen.coroutine
def post(self):
if self.current_user.decode() == ourSecretUsername:
app.model = self.request.body.decode().split('=')[1].split(".")[0]
print(app.model)
yield actionQueue.put(initNetwork)
class LoginHandler(BaseHandler):
def post(self):
print(self.request.body)
args = convertRequestArgs(self.request.body.decode())
print("Send the ajax login data here for verification")
if args["password"] == ourSecretPassword:
self.set_secure_cookie("user", ourSecretUsername)
print("authenticated user")
def renderTemplate(templateName, **kwargs):
template = lookup.get_template(templateName)
args = []
try:
return template.render(*args, **kwargs)
except Exception as e:
print(e)
def convertRequestArgs(args):
return json.loads(args)
@gen.coroutine
def consumer():
runner = Tasks()
while True:
item = yield actionQueue.get()
print(item)
future = runner.futureCreator(item)
while True:
if app.stopState == True:
for item in range(actionQueue.qsize()):
actionQueue.get()
actionQueue.task_done()
future = runner.futureCreator(idle)
print("queue supposedly emptied, ",actionQueue.qsize())
app.stopState = False
break
try:
result = yield gen.with_timeout(time.time() + 1, future)
actionQueue.task_done()
print("ding fries are done")
break
except gen.TimeoutError:
print('tick')
@implementer(ILogObserver)
class LogCapture(object):
def __init__(self, app):
self.cache = []
self.app = app
def __call__(self, event):
if 'log_io' in event:
self.cache.append("<div class='event'><div class='content'>"
+ str(event['log_io']) + '\n</div></div>')
for sock in self.app.buildSockets:
sock.write_message(str(event['log_io']) + '\n<br>')
def flush(self):
self.cache = []
def getLog(self):
return self.cache
def getRecentLog(self, num):
temp = []
if len(self.cache) > 0:
temp = self.cache[-num: -1]
temp.append(self.cache[-1])
return temp
app = tornado.web.Application([
(r"/", MainHandler),
(r"/css/(.*)", tornado.web.StaticFileHandler,{'path': os.path.join(root, 'css')}),
(r"/js/(.*)", tornado.web.StaticFileHandler,{'path': os.path.join(root, 'js')}),
(r"/notebooks/(.*)", tornado.web.StaticFileHandler,{'path': os.path.join(root, 'notebooks')}),
(r"/savedStates", SavedStatesHandler),
(r"/buildLog", BuildLogHandler),
(r"/notebook", NotebookHandler),
(r"/load", LoadHandler),
(r"/train", TrainHandler),
(r"/stop", StopHandler),
(r"/websocket", WebSocketHandler),
(r"/modelList", ModelListHandler),
(r"/buildSocket", BuildLogSocketHandler),
(r"/accuracyLoss", AccuracyLossSocketHandler),
(r"/saveParams", SaveParameterHandler),
(r"/loadParams", LoadParameterHandler),
(r"/snapshot", SnapshotHandler),
(r"/login", LoginHandler),
(r"/model", ModelHandler),
(r"/static/(.*)", tornado.web.StaticFileHandler, {'path': os.path.join(root, 'static')})
], autoreload=True, cookie_secret="fe444a5c-4edf-11e6-beb8-9e71128cae77", compiled_template_cache=False)
app.initialized = False
app.stopState = False
app.state = "idle"
app.iterationsToGo = 0
app.snapshot = 'No Snapshot'
app.mainSockets = []
app.modelSockets = []
app.buildSockets = []
app.models = []
app.model = ""
app.accuracy_arr = []
app.train_err_arr = []
app.logvar = LogCapture(app)
# log.startLogging(sys.stdout) # Print to actual console
# globalLogBeginner.beginLoggingTo([app.logvar], redirectStandardIO=True)
# log.startLogging(app.logvar)
log.info("wow")
@gen.coroutine
def main():
# http_server = tornado.httpserver.HTTPServer(app, ssl_options={
# "certfile": "ssl\certificate.crt",
# "keyfile": "ssl\privatekey.key",
# })
# http_server.listen(443)
app.listen(80)
tornado.ioloop.IOLoop.current().spawn_callback(consumer)
# future = futureCreator(consumer)
# gen.with_timeout(time.time() + 100, future)
while True:
print("Starting continuation loop")
tornado.ioloop.IOLoop.current().start()
if __name__ == "__main__":
main()