author | blanchet |
Thu, 12 Sep 2013 10:35:33 +0200 | |
changeset 53557 | 5d3ec1198a64 |
parent 53555 | 12251bc889f1 |
child 53789 | 8d9f4e89d8c8 |
permissions | -rwxr-xr-x |
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#!/usr/bin/env python |
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# Title: HOL/Tools/Sledgehammer/MaSh/src/server.py |
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# Author: Daniel Kuehlwein, ICIS, Radboud University Nijmegen |
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# Copyright 2013 |
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# |
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# The MaSh Server. |
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import SocketServer,os,string,logging |
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from multiprocessing import Manager |
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from threading import Timer |
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from time import time |
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from dictionaries import Dictionaries |
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from parameters import init_parser |
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from sparseNaiveBayes import sparseNBClassifier |
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from KNN import KNN,euclidean |
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from KNNs import KNNAdaptPointFeatures,KNNUrban |
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from predefined import Predefined |
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#from ExpandFeatures import ExpandFeatures |
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from stats import Statistics |
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class ThreadingTCPServer(SocketServer.ThreadingTCPServer): |
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def __init__(self, *args, **kwargs): |
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SocketServer.ThreadingTCPServer.__init__(self,*args, **kwargs) |
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self.manager = Manager() |
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self.lock = Manager().Lock() |
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self.idle_timeout = 28800.0 # 8 hours in seconds |
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self.idle_timer = Timer(self.idle_timeout, self.shutdown) |
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self.idle_timer.start() |
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def save(self): |
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# Save Models |
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self.model.save(self.args.modelFile) |
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self.dicts.save(self.args.dictsFile) |
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if not self.args.saveStats == None: |
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statsFile = os.path.join(self.args.outputDir,self.args.saveStats) |
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self.stats.save(statsFile) |
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def save_and_shutdown(self): |
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self.save() |
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self.shutdown() |
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class MaShHandler(SocketServer.BaseRequestHandler): |
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def init(self,argv): |
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if argv == '': |
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self.server.args = init_parser([]) |
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else: |
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argv = argv.split(';') |
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self.server.args = init_parser(argv) |
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# Load all data |
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self.server.dicts = Dictionaries() |
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if os.path.isfile(self.server.args.dictsFile): |
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self.server.dicts.load(self.server.args.dictsFile) |
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elif self.server.args.init: |
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self.server.dicts.init_all(self.server.args) |
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# Pick model |
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if self.server.args.algorithm == 'nb': |
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self.server.model = sparseNBClassifier(self.server.args.NBDefaultPriorWeight,self.server.args.NBPosWeight,self.server.args.NBDefVal) |
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elif self.server.args.algorithm == 'KNN': |
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#self.server.model = KNN(self.server.dicts) |
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self.server.model = KNNAdaptPointFeatures(self.server.dicts) |
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elif self.server.args.algorithm == 'predef': |
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self.server.model = Predefined(self.server.args.predef) |
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else: # Default case |
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self.server.model = sparseNBClassifier(self.server.args.NBDefaultPriorWeight,self.server.args.NBPosWeight,self.server.args.NBDefVal) |
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# if self.server.args.expandFeatures: |
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# self.server.expandFeatures = ExpandFeatures(self.server.dicts) |
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# self.server.expandFeatures.initialize(self.server.dicts) |
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# Create Model |
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if os.path.isfile(self.server.args.modelFile): |
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self.server.model.load(self.server.args.modelFile) |
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elif self.server.args.init: |
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trainData = self.server.dicts.featureDict.keys() |
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self.server.model.initializeModel(trainData,self.server.dicts) |
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if self.server.args.statistics: |
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self.server.stats = Statistics(self.server.args.cutOff) |
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self.server.statementCounter = 1 |
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self.server.computeStats = False |
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# Set up logging |
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logging.basicConfig(level=logging.DEBUG, |
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format='%(asctime)s %(name)-12s %(levelname)-8s %(message)s', |
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datefmt='%d-%m %H:%M:%S', |
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filename=self.server.args.log+'server', |
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filemode='w') |
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self.server.logger = logging.getLogger('server') |
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self.server.logger.debug('Initialized in '+str(round(time()-self.startTime,2))+' seconds.') |
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self.request.sendall('Server initialized in '+str(round(time()-self.startTime,2))+' seconds.') |
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self.server.callCounter = 1 |
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def update(self): |
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problemId = self.server.dicts.parse_fact(self.data) |
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# Statistics |
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if self.server.args.statistics and self.server.computeStats: |
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self.server.computeStats = False |
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# Assume '!' comes after '?' |
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if self.server.args.algorithm == 'predef': |
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self.server.predictions = self.server.model.predict(problemId) |
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self.server.stats.update(self.server.predictions,self.server.dicts.dependenciesDict[problemId],self.server.statementCounter) |
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if not self.server.stats.badPreds == []: |
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bp = string.join([str(self.server.dicts.idNameDict[x]) for x in self.server.stats.badPreds], ',') |
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self.server.logger.debug('Poor predictions: %s',bp) |
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self.server.statementCounter += 1 |
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# if self.server.args.expandFeatures: |
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# self.server.expandFeatures.update(self.server.dicts.featureDict[problemId],self.server.dicts.dependenciesDict[problemId]) |
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# Update Dependencies, p proves p |
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self.server.dicts.dependenciesDict[problemId] = [problemId]+self.server.dicts.dependenciesDict[problemId] |
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self.server.model.update(problemId,self.server.dicts.featureDict[problemId],self.server.dicts.dependenciesDict[problemId]) |
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def overwrite(self): |
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# Overwrite old proof. |
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problemId,newDependencies = self.server.dicts.parse_overwrite(self.data) |
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newDependencies = [problemId]+newDependencies |
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self.server.model.overwrite(problemId,newDependencies,self.server.dicts) |
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self.server.dicts.dependenciesDict[problemId] = newDependencies |
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def predict(self): |
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self.server.computeStats = True |
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if self.server.args.algorithm == 'predef': |
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return |
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name,features,accessibles,hints,numberOfPredictions = self.server.dicts.parse_problem(self.data) |
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if numberOfPredictions == None: |
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numberOfPredictions = self.server.args.numberOfPredictions |
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if not hints == []: |
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self.server.model.update('hints',features,hints) |
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# if self.server.args.expandFeatures: |
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# features = self.server.expandFeatures.expand(features) |
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# Create predictions |
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self.server.logger.debug('Starting computation for line %s',self.server.callCounter) |
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self.server.predictions,predictionValues = self.server.model.predict(features,accessibles,self.server.dicts) |
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assert len(self.server.predictions) == len(predictionValues) |
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self.server.logger.debug('Time needed: '+str(round(time()-self.startTime,2))) |
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# Output |
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predictionNames = [str(self.server.dicts.idNameDict[p]) for p in self.server.predictions[:numberOfPredictions]] |
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#predictionValues = [str(x) for x in predictionValues[:numberOfPredictions]] |
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#predictionsStringList = ['%s=%s' % (predictionNames[i],predictionValues[i]) for i in range(len(predictionNames))] |
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#predictionsString = string.join(predictionsStringList,' ') |
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predictionsString = string.join(predictionNames,' ') |
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outString = '%s: %s' % (name,predictionsString) |
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self.request.sendall(outString) |
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def shutdown(self,saveModels=True): |
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self.request.sendall('Shutting down server.') |
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if saveModels: |
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self.server.save() |
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self.server.shutdown() |
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def handle(self): |
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# self.request is the TCP socket connected to the client |
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self.data = self.request.recv(4194304).strip() |
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self.server.lock.acquire() |
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self.startTime = time() |
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if self.data == 'shutdown': |
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self.shutdown() |
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elif self.data == 'save': |
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self.server.save() |
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elif self.data.startswith('i'): |
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self.init(self.data[2:]) |
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elif self.data.startswith('!'): |
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self.update() |
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elif self.data.startswith('p'): |
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self.overwrite() |
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elif self.data.startswith('?'): |
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self.predict() |
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elif self.data == '': |
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# Empty Socket |
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self.server.lock.release() |
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return |
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elif self.data == 'avgStats': |
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self.request.sendall(self.server.stats.printAvg()) |
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else: |
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self.request.sendall('Unspecified input format: \n%s',self.data) |
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self.server.callCounter += 1 |
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# Update idle shutdown timer |
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self.server.idle_timer.cancel() |
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self.server.idle_timer = Timer(self.server.idle_timeout, self.server.save_and_shutdown) |
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self.server.idle_timer.start() |
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self.server.lock.release() |
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if __name__ == "__main__": |
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HOST, PORT = "localhost", 9255 |
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SocketServer.TCPServer.allow_reuse_address = True |
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server = ThreadingTCPServer((HOST, PORT), MaShHandler) |
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# Activate the server; this will keep running until you |
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# interrupt the program with Ctrl-C |
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server.serve_forever() |
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