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#!/usr/bin/env python
#-*- coding:utf-8 -*-
from __future__ import print_function
from __future__ import unicode_literals
from __future__ import division
from __future__ import absolute_import
import socket
class LMClient(object):
def __init__(self,host= "localhost",port=12346,n = 0):
self.BUFSIZE = 1024
self.socket = socket.socket(socket.AF_INET,socket.SOCK_STREAM) #Create the socket
self.socket.settimeout(120)
assert isinstance(port,int)
self.socket.connect((host, port)) #Connect to server
assert isinstance(n,int)
self.n = n
def scoresentence(self, sentence):
if self.n > 0:
raise Exception("This client instance has been set to send only " + str(self.n) + "-grams")
if isinstance(sentence,list) or isinstance(sentence,tuple):
sentence = " ".join(sentence)
self.socket.send(sentence+ "\r\n")
return float(self.socket.recv(self.BUFSIZE).strip())
def __getitem__(self, ngram):
if self.n == 0:
raise Exception("This client has been set to send only full sentence, not n-grams")
if isinstance(ngram,str) or isinstance(ngram,unicode):
ngram = ngram.split(" ")
if len(ngram) != self.n:
raise Exception("This client instance has been set to send only " + str(self.n) + "-grams.")
ngram = " ".join(ngram)
if (sys.version < '3' and isinstance(ngram,unicode)) or( sys.version == '3' and isinstance(ngram,str)):
ngram = ngram.encode('utf-8')
self.socket.send(ngram + b"\r\n")
return float(self.socket.recv(self.BUFSIZE).strip())
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