# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved. # # Licensed 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. from __future__ import annotations from typing import TYPE_CHECKING if TYPE_CHECKING: import numpy as np import numpy.typing as npt import gzip import tarfile import numpy as np from paddle.dataset.common import _check_exists_and_download from paddle.io import Dataset __all__ = [] DATA_URL = 'http://paddlemodels.bj.bcebos.com/conll05st/conll05st-tests.tar.gz' DATA_MD5 = '387719152ae52d60422c016e92a742fc' WORDDICT_URL = 'http://paddlemodels.bj.bcebos.com/conll05st%2FwordDict.txt' WORDDICT_MD5 = 'ea7fb7d4c75cc6254716f0177a506baa' VERBDICT_URL = 'http://paddlemodels.bj.bcebos.com/conll05st%2FverbDict.txt' VERBDICT_MD5 = '0d2977293bbb6cbefab5b0f97db1e77c' TRGDICT_URL = 'http://paddlemodels.bj.bcebos.com/conll05st%2FtargetDict.txt' TRGDICT_MD5 = 'd8c7f03ceb5fc2e5a0fa7503a4353751' EMB_URL = 'http://paddlemodels.bj.bcebos.com/conll05st%2Femb' EMB_MD5 = 'bf436eb0faa1f6f9103017f8be57cdb7' UNK_IDX = 0 class Conll05st(Dataset): """ This class implements the Conll05st test dataset. For details, please refer to the relevant documentation:https://aclanthology.org/W05-0620.pdf Note: only support download test dataset automatically for that only test dataset of Conll05st is public. Args: data_file(str|None): path to data tar file, can be set None if :attr:`download` is True. Default None word_dict_file(str|None): path to word dictionary file, can be set None if :attr:`download` is True. Default None verb_dict_file(str|None): path to verb dictionary file, can be set None if :attr:`download` is True. Default None target_dict_file(str|None): path to target dictionary file, can be set None if :attr:`download` is True. Default None emb_file(str|None): path to embedding dictionary file, only used for :code:`get_embedding` can be set None if :attr:`download` is True. Default None download(bool): whether to download dataset automatically if :attr:`data_file` :attr:`word_dict_file` :attr:`verb_dict_file` :attr:`target_dict_file` is not set. Default True Returns: Dataset: instance of conll05st dataset Examples: .. code-block:: pycon >>> import paddle >>> from paddle.text.datasets import Conll05st >>> class SimpleNet(paddle.nn.Layer): ... def __init__(self): ... super().__init__() ... ... def forward(self, pred_idx, mark, label): ... return paddle.sum(pred_idx), paddle.sum(mark), paddle.sum(label) >>> conll05st = Conll05st() >>> for i in range(10): ... pred_idx, mark, label = conll05st[i][-3:] ... pred_idx = paddle.to_tensor(pred_idx) ... mark = paddle.to_tensor(mark) ... label = paddle.to_tensor(label) ... ... model = SimpleNet() ... pred_idx, mark, label = model(pred_idx, mark, label) ... print(pred_idx.item(), mark.item(), label.item()) >>> # doctest: +SKIP('label will change') 65840 5 1991 92560 5 3686 99120 5 457 121960 5 3945 4774 5 2378 14973 5 1938 36921 5 1090 26908 5 2329 62965 5 2968 97755 5 2674 """ data_file: str | None word_dict_file: str | None verb_dict_file: str | None target_dict_file: str | None emb_file: str | None word_dict: dict[str, int] predicate_dict: dict[str, int] label_dict: dict[str, int] sentences: list predicates: list labels: list def __init__( self, data_file: str | None = None, word_dict_file: str | None = None, verb_dict_file: str | None = None, target_dict_file: str | None = None, emb_file: str | None = None, download: bool = True, ): self.data_file = data_file if self.data_file is None: assert download, ( "data_file is not set and downloading automatically is disabled" ) self.data_file = _check_exists_and_download( data_file, DATA_URL, DATA_MD5, 'conll05st', download ) self.word_dict_file = word_dict_file if self.word_dict_file is None: assert download, ( "word_dict_file is not set and downloading automatically is disabled" ) self.word_dict_file = _check_exists_and_download( word_dict_file, WORDDICT_URL, WORDDICT_MD5, 'conll05st', download, ) self.verb_dict_file = verb_dict_file if self.verb_dict_file is None: assert download, ( "verb_dict_file is not set and downloading automatically is disabled" ) self.verb_dict_file = _check_exists_and_download( verb_dict_file, VERBDICT_URL, VERBDICT_MD5, 'conll05st', download, ) self.target_dict_file = target_dict_file if self.target_dict_file is None: assert download, ( "target_dict_file is not set and downloading automatically is disabled" ) self.target_dict_file = _check_exists_and_download( target_dict_file, TRGDICT_URL, TRGDICT_MD5, 'conll05st', download, ) self.emb_file = emb_file if self.emb_file is None: assert download, ( "emb_file is not set and downloading automatically is disabled" ) self.emb_file = _check_exists_and_download( emb_file, EMB_URL, EMB_MD5, 'conll05st', download ) self.word_dict = self._load_dict(self.word_dict_file) self.predicate_dict = self._load_dict(self.verb_dict_file) self.label_dict = self._load_label_dict(self.target_dict_file) # read dataset into memory self._load_anno() def _load_label_dict(self, filename: str) -> dict[str, int]: d = {} tag_dict = set() with open(filename, 'r') as f: for i, line in enumerate(f): line = line.strip() if line.startswith("B-"): tag_dict.add(line[2:]) elif line.startswith("I-"): tag_dict.add(line[2:]) index = 0 for tag in tag_dict: d["B-" + tag] = index index += 1 d["I-" + tag] = index index += 1 d["O"] = index return d def _load_dict(self, filename: str) -> dict[str, int]: d = {} with open(filename, 'r') as f: for i, line in enumerate(f): d[line.strip()] = i return d def _load_anno(self) -> None: tf = tarfile.open(self.data_file) wf = tf.extractfile( "conll05st-release/test.wsj/words/test.wsj.words.gz" ) pf = tf.extractfile( "conll05st-release/test.wsj/props/test.wsj.props.gz" ) self.sentences = [] self.predicates = [] self.labels = [] with ( gzip.GzipFile(fileobj=wf) as words_file, gzip.GzipFile(fileobj=pf) as props_file, ): sentences = [] labels = [] one_seg = [] for word, label in zip(words_file, props_file): word = word.strip().decode() label = label.strip().decode().split() if len(label) == 0: # end of sentence for i in range(len(one_seg[0])): a_kind_label = [x[i] for x in one_seg] labels.append(a_kind_label) if len(labels) >= 1: verb_list = [] for x in labels[0]: if x != '-': verb_list.append(x) for i, lbl in enumerate(labels[1:]): cur_tag = 'O' is_in_bracket = False lbl_seq = [] verb_word = '' for l in lbl: if l == '*' and not is_in_bracket: lbl_seq.append('O') elif l == '*' and is_in_bracket: lbl_seq.append('I-' + cur_tag) elif l == '*)': lbl_seq.append('I-' + cur_tag) is_in_bracket = False elif l.find('(') != -1 and l.find(')') != -1: cur_tag = l[1 : l.find('*')] lbl_seq.append('B-' + cur_tag) is_in_bracket = False elif l.find('(') != -1 and l.find(')') == -1: cur_tag = l[1 : l.find('*')] lbl_seq.append('B-' + cur_tag) is_in_bracket = True else: raise RuntimeError(f'Unexpected label: {l}') self.sentences.append(sentences) self.predicates.append(verb_list[i]) self.labels.append(lbl_seq) sentences = [] labels = [] one_seg = [] else: sentences.append(word) one_seg.append(label) pf.close() wf.close() tf.close() def __getitem__( self, idx: int ) -> tuple[ npt.NDArray[np.int_], npt.NDArray[np.int_], npt.NDArray[np.int_], npt.NDArray[np.int_], npt.NDArray[np.int_], npt.NDArray[np.int_], npt.NDArray[np.int_], npt.NDArray[np.int_], npt.NDArray[np.int_], ]: sentence = self.sentences[idx] predicate = self.predicates[idx] labels = self.labels[idx] sen_len = len(sentence) verb_index = labels.index('B-V') mark = [0] * len(labels) if verb_index > 0: mark[verb_index - 1] = 1 ctx_n1 = sentence[verb_index - 1] else: ctx_n1 = 'bos' if verb_index > 1: mark[verb_index - 2] = 1 ctx_n2 = sentence[verb_index - 2] else: ctx_n2 = 'bos' mark[verb_index] = 1 ctx_0 = sentence[verb_index] if verb_index < len(labels) - 1: mark[verb_index + 1] = 1 ctx_p1 = sentence[verb_index + 1] else: ctx_p1 = 'eos' if verb_index < len(labels) - 2: mark[verb_index + 2] = 1 ctx_p2 = sentence[verb_index + 2] else: ctx_p2 = 'eos' word_idx = [self.word_dict.get(w, UNK_IDX) for w in sentence] ctx_n2_idx = [self.word_dict.get(ctx_n2, UNK_IDX)] * sen_len ctx_n1_idx = [self.word_dict.get(ctx_n1, UNK_IDX)] * sen_len ctx_0_idx = [self.word_dict.get(ctx_0, UNK_IDX)] * sen_len ctx_p1_idx = [self.word_dict.get(ctx_p1, UNK_IDX)] * sen_len ctx_p2_idx = [self.word_dict.get(ctx_p2, UNK_IDX)] * sen_len pred_idx = [self.predicate_dict.get(predicate)] * sen_len label_idx = [self.label_dict.get(w) for w in labels] return ( np.array(word_idx), np.array(ctx_n2_idx), np.array(ctx_n1_idx), np.array(ctx_0_idx), np.array(ctx_p1_idx), np.array(ctx_p2_idx), np.array(pred_idx), np.array(mark), np.array(label_idx), ) def __len__(self) -> int: return len(self.sentences) def get_dict(self) -> tuple[dict[str, int], dict[str, int], dict[str, int]]: """ Get the word, verb and label dictionary of Wikipedia corpus. Examples: .. code-block:: pycon >>> from paddle.text.datasets import Conll05st >>> conll05st = Conll05st() >>> word_dict, predicate_dict, label_dict = conll05st.get_dict() """ return self.word_dict, self.predicate_dict, self.label_dict def get_embedding(self) -> str: """ Get the embedding dictionary file. Examples: .. code-block:: pycon >>> from paddle.text.datasets import Conll05st >>> conll05st = Conll05st() >>> emb_file = conll05st.get_embedding() """ return self.emb_file