Delete translate_mine.py with huggingface_hub
Browse files- translate_mine.py +0 -144
translate_mine.py
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# Copyright (c) 2019-present, Facebook, Inc.
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# All rights reserved.
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#
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# This source code is licensed under the license found in the
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# LICENSE file in the root directory of this source tree.
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#
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# Translate sentences from the input stream.
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# The model will be faster is sentences are sorted by length.
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# Input sentences must have the same tokenization and BPE codes than the ones used in the model.
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#
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# Usage:
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# cat source_sentences.bpe | \
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# python translate.py --exp_name translate \
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# --src_lang en --tgt_lang fr \
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# --model_path trained_model.pth --output_path output
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#
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import os
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import io
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import sys
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import argparse
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import torch
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from src.utils import AttrDict
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from src.utils import bool_flag, initialize_exp
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from src.data.dictionary import Dictionary
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from src.model.transformer import TransformerModel
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def get_parser():
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"""
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Generate a parameters parser.
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"""
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# parse parameters
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parser = argparse.ArgumentParser(description="Translate sentences")
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# main parameters
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parser.add_argument("--dump_path", type=str, default="./dumped/", help="Experiment dump path")
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parser.add_argument("--exp_name", type=str, default="", help="Experiment name")
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parser.add_argument("--exp_id", type=str, default="", help="Experiment ID")
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parser.add_argument("--batch_size", type=int, default=32, help="Number of sentences per batch")
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# model / output paths
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parser.add_argument("--model_path", type=str, default="", help="Model path")
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parser.add_argument("--output_path", type=str, default="", help="Output path")
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# parser.add_argument("--max_vocab", type=int, default=-1, help="Maximum vocabulary size (-1 to disable)")
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# parser.add_argument("--min_count", type=int, default=0, help="Minimum vocabulary count")
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# source language / target language
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parser.add_argument("--src_lang", type=str, default="", help="Source language")
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parser.add_argument("--tgt_lang", type=str, default="", help="Target language")
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return parser
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def main(params):
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params.device = torch.device('cuda')
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params.eval_only = True
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params.log_file_prefix = False
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# initialize the experiment
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logger = initialize_exp(params)
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# generate parser / parse parameters
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parser = get_parser()
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params = parser.parse_args()
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reloaded = torch.load(params.model_path)
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model_params = AttrDict(reloaded['params'])
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logger.info("Supported languages: %s" % ", ".join(model_params.lang2id.keys()))
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# update dictionary parameters
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for name in ['n_words', 'bos_index', 'eos_index', 'pad_index', 'unk_index', 'mask_index']:
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setattr(params, name, getattr(model_params, name))
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# build dictionary / build encoder / build decoder / reload weights
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dico = Dictionary(reloaded['dico_id2word'], reloaded['dico_word2id'], reloaded['dico_counts'])
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encoder = TransformerModel(model_params, dico, is_encoder=True, with_output=True).cuda().eval()
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decoder = TransformerModel(model_params, dico, is_encoder=False, with_output=True).cuda().eval()
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encoder.load_state_dict(reloaded['encoder'])
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decoder.load_state_dict(reloaded['decoder'])
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params.src_id = model_params.lang2id[params.src_lang]
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params.tgt_id = model_params.lang2id[params.tgt_lang]
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# read sentences from stdin
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src_sent = []
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for line in sys.stdin.readlines():
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assert len(line.strip().split()) > 0
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src_sent.append(line)
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logger.info("Read %i sentences from stdin. Translating ..." % len(src_sent))
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f = io.open(params.output_path, 'w', encoding='utf-8')
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for i in range(0, len(src_sent), params.batch_size):
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# prepare batch
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word_ids = [torch.LongTensor([dico.index(w) for w in s.strip().split()])
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for s in src_sent[i:i + params.batch_size]]
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lengths = torch.LongTensor([len(s) + 2 for s in word_ids])
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batch = torch.LongTensor(lengths.max().item(), lengths.size(0)).fill_(params.pad_index)
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batch[0] = params.eos_index
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for j, s in enumerate(word_ids):
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if lengths[j] > 2: # if sentence not empty
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batch[1:lengths[j] - 1, j].copy_(s)
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batch[lengths[j] - 1, j] = params.eos_index
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langs = batch.clone().fill_(params.src_id)
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# encode source batch and translate it
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encoded = encoder('fwd', x=batch.cuda(), lengths=lengths.cuda(), langs=langs.cuda(), causal=False)
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encoded = encoded.transpose(0, 1)
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decoded, dec_lengths = decoder.generate(encoded, lengths.cuda(), params.tgt_id, max_len=int(1.5 * lengths.max().item() + 10))
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# convert sentences to words
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for j in range(decoded.size(1)):
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# remove delimiters
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sent = decoded[:, j]
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delimiters = (sent == params.eos_index).nonzero().view(-1)
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assert len(delimiters) >= 1 and delimiters[0].item() == 0
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sent = sent[1:] if len(delimiters) == 1 else sent[1:delimiters[1]]
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# output translation
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source = src_sent[i + j].strip()
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target = " ".join([dico[sent[k].item()] for k in range(len(sent))])
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sys.stderr.write("%i / %i: %s -> %s\n" % (i + j, len(src_sent), source, target))
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f.write(target + "\n")
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f.close()
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if __name__ == '__main__':
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# generate parser / parse parameters
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parser = get_parser()
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params = parser.parse_args()
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# check parameters
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assert os.path.isfile(params.model_path)
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assert params.src_lang != '' and params.tgt_lang != '' and params.src_lang != params.tgt_lang
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assert params.output_path and not os.path.isfile(params.output_path)
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# translate
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with torch.no_grad():
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main(params)
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