#
# Copyright (c) 2020 Pangeanic SL.
#
# This file is part of NEC TM
# (see https://github.com/shasha79/nectm).
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
#
import gzip
import cPickle
import urllib
import os
import random

from os.path import isfile

'''
modified by Liangyou Li @ 25 July 2016
'''

def download(origin):
    '''
    download the corresponding atis file
    from http://www-etud.iro.umontreal.ca/~mesnilgr/atis/
    '''
    print 'Downloading data from %s' % origin
    name = origin.split('/')[-1]
    urllib.urlretrieve(origin, name)


def postagfold(filepath):
    f = open(filepath, 'rb')
    train_set, valid_set, test_set, dicts = cPickle.load(f)
    return train_set, valid_set, test_set, dicts
