szha commented on a change in pull request #9986: gluon language modeling dataset and text token reader URL: https://github.com/apache/incubator-mxnet/pull/9986#discussion_r173084963
########## File path: python/mxnet/gluon/data/text/base.py ########## @@ -0,0 +1,99 @@ +# 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. + +# coding: utf-8 +# pylint: disable= + +"""Base classes for text datasets and readers.""" + +__all__ = ['WordLanguageReader'] + +import io +import os + +from ..dataset import SimpleDataset +from ..datareader import DataReader +from .utils import flatten_samples, collate, pair + +class WordLanguageReader(DataReader): + """Text reader that reads a whole corpus and produces samples based on provided sample splitter + and word tokenizer. + + Parameters + ---------- + filename : str + Path to the input text file. + encoding : str, default 'utf8' + File encoding format. + sample_splitter : function, default str.splitlines + A function that splits the dataset string into samples. + tokenizer : function, default str.split + A function that splits each sample string into list of tokens. + seq_len : int or None + The length of each of the samples. If None, samples are divided according to + `sample_splitter` only, and may have variable lengths. + bos : str or None, default None + The token to add at the begining of each sentence. If None, nothing is added. + eos : str or None, default None + The token to add at the end of each sentence. If None, nothing is added. + pad : str or None, default None + The padding token to add at the end of dataset if `seq_len` is specified and the total + number of tokens in the corpus don't evenly divide `seq_len`. If pad is None or seq_len Review comment: Yes if specified. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
