class XLMForTokenClassification(nn.Module):
def __init__(self, config, num_labels, params, dico, reloaded):
super().__init__()
self.config = config
self.num_labels = num_labels
self.xlm = TransformerModel(params, dico, True, True)
self.xlm.eval()
self.xlm.load_state_dict(reloaded['model'])
self.dropout = nn.Dropout(config.dropout)
self.classifier = nn.Linear(1024, num_labels)
self.apply(self.init_bert_weights)
def forward(self, word_ids, lengths, langs=None, causal=False):
sequence_output = self.xlm('fwd',
x=word_ids,
lengths=lengths,
causal=False).contiguous()
sequence_output = self.dropout(sequence_output)
logits = self.classifier(sequence_output)
return logits
def init_bert_weights(self, module):
""" Initialize the weights.
"""
if isinstance(module, (nn.Linear, nn.Embedding)):
module.weight.data.normal_(mean=0.0,
std=self.config.initializer_range)
if isinstance(module, nn.Linear) and module.bias is not None:
module.bias.data.zero_()
def __init__(self, config, num_labels, params, dico, reloaded):
super().__init__()
self.config = config
self.num_labels = num_labels
self.xlm = TransformerModel(params, dico, True, True)
self.xlm.eval()
self.xlm.load_state_dict(reloaded['model'])
self.dropout = nn.Dropout(config.dropout)
self.classifier = nn.Linear(1024, num_labels)
self.apply(self.init_bert_weights)
def initialize_model():
"""
"""
print('launching model')
chemin = getcwd()
curPath = chemin if "xlm" in chemin else (os.path.join(getcwd(), 'xlm'))
onlyfiles = [f for f in listdir(chemin) if isfile(join(chemin, f))]
print(onlyfiles)
print(os.path.normpath(os.path.join(getcwd(),
'./mlm_tlm_xnli15_1024.pth')))
model_path = os.path.normpath(
os.path.join(getcwd(), './mlm_tlm_xnli15_1024.pth'))
reloaded = torch.load(model_path)
# print('allez le model')
# response = requests.get(url)
# print('response downloaded')
# f = io.BytesIO(response.content)
# reloaded = torch.load(f)
# print('file downloaded')
# reloaded = Reloaded.serve()
params = AttrDict(reloaded['params'])
print("Supported languages: %s" % ", ".join(params.lang2id.keys()))
# build dictionary / update parameters
dico = Dictionary(reloaded['dico_id2word'], reloaded['dico_word2id'],
reloaded['dico_counts'])
params.n_words = len(dico)
params.bos_index = dico.index(BOS_WORD)
params.eos_index = dico.index(EOS_WORD)
params.pad_index = dico.index(PAD_WORD)
params.unk_index = dico.index(UNK_WORD)
params.mask_index = dico.index(MASK_WORD)
# build model / reload weights
model = TransformerModel(params, dico, True, True)
model.load_state_dict(reloaded['model'])
# bpe = fastBPE.fastBPE(
# path.normpath(path.join(curPath, "./codes_xnli_15") ),
# path.normpath(path.join(curPath, "./vocab_xnli_15") ) )
print('fin lecture')
return model, params, dico
class XLM_BiLSTM_CRF(nn.Module):
def __init__(self, config, num_labels, params, dico, reloaded):
super().__init__()
self.config = config
self.num_labels = num_labels
self.batch_size = config.batch_size
self.hidden_dim = config.hidden_dim
self.xlm = TransformerModel(params, dico, True, True)
self.xlm.eval()
self.xlm.load_state_dict(reloaded['model'])
self.lstm = nn.LSTM(config.embedding_dim,
config.hidden_dim // 2,
num_layers=1,
bidirectional=True)
self.dropout = nn.Dropout(config.dropout)
self.classifier = nn.Linear(config.hidden_dim, config.num_class)
self.apply(self.init_bert_weights)
self.crf = CRF(config.num_class)
def forward(self, word_ids, lengths, langs=None, causal=False):
sequence_output = self.xlm('fwd',
x=word_ids,
lengths=lengths,
causal=False).contiguous()
sequence_output, _ = self.lstm(sequence_output)
sequence_output = self.dropout(sequence_output)
logits = self.classifier(sequence_output)
return self.crf.decode(logits)
def log_likelihood(self, word_ids, lengths, tags):
sequence_output = self.xlm('fwd',
x=word_ids,
lengths=lengths,
causal=False).contiguous()
sequence_output, _ = self.lstm(sequence_output)
sequence_output = self.dropout(sequence_output)
logits = self.classifier(sequence_output)
return -self.crf(logits, tags.transpose(0, 1))
def init_bert_weights(self, module):
""" Initialize the weights.
"""
if isinstance(module, (nn.Linear, nn.Embedding)):
module.weight.data.normal_(mean=0.0,
std=self.config.initializer_range)
if isinstance(module, nn.Linear) and module.bias is not None:
module.bias.data.zero_()
def train(rank, args):
print(f"Running basic DDP example on rank {rank} {args.master_port}.")
setup(rank, args.world_size, args.master_port)
args.local_rank = rank
torch.manual_seed(args.seed)
torch.cuda.set_device(rank)
src_vocab = Dictionary.read_vocab(args.vocab_src)
tgt_vocab = Dictionary.read_vocab(args.vocab_tgt)
# model init
model = TransformerModel(d_model=args.d_model,
nhead=args.nhead,
num_encoder_layers=args.num_encoder_layers,
num_decoder_layers=args.num_decoder_layers,
dropout=args.dropout,
attention_dropout=args.attn_dropout,
src_dictionary=src_vocab,
tgt_dictionary=tgt_vocab)
model.to(rank)
model = DDP(model, device_ids=[rank])
if rank == 0:
print(model)
# data load
train_loader, sampler = dataloader.get_train_parallel_loader(
args.train_src,
args.train_tgt,
src_vocab,
tgt_vocab,
batch_size=args.batch_size,
world_size=args.world_size,
rank=rank)
valid_loader = dataloader.get_valid_parallel_loader(
args.valid_src,
args.train_tgt,
src_vocab,
tgt_vocab,
batch_size=args.batch_size)
data = {'dataloader': {'train': train_loader, 'valid': valid_loader}}
trainer = Trainer(model, data, args)
for epoch in range(1, args.epoch_size):
trainer.mt_step()
trainer.evaluate(epoch)
trainer.save_checkpoint(epoch)
sampler.set_epoch(epoch)
def __init__(self, model_path, tgt_lang, src_lang,dump_path = "./dumped/", exp_name="translate", exp_id="test", batch_size=32):
# parse parameters
parser = argparse.ArgumentParser(description="Translate sentences")
# main parameters
parser.add_argument("--dump_path", type=str, default=dump_path, help="Experiment dump path")
parser.add_argument("--exp_name", type=str, default=exp_name, help="Experiment name")
parser.add_argument("--exp_id", type=str, default=exp_id, help="Experiment ID")
parser.add_argument("--batch_size", type=int, default=batch_size, help="Number of sentences per batch")
# model / output paths
parser.add_argument("--model_path", type=str, default=model_path, help="Model path")
# parser.add_argument("--max_vocab", type=int, default=-1, help="Maximum vocabulary size (-1 to disable)")
# parser.add_argument("--min_count", type=int, default=0, help="Minimum vocabulary count")
# source language / target language
parser.add_argument("--src_lang", type=str, default=src_lang, help="Source language")
parser.add_argument("--tgt_lang", type=str, default=tgt_lang, help="Target language")
params = parser.parse_args()
assert params.src_lang != '' and params.tgt_lang != '' and params.src_lang != params.tgt_lang
# initialize the experiment
logger = initialize_exp(params)
# On a pas de GPU
#reloaded = torch.load(params.model_path)
reloaded = torch.load(params.model_path, map_location=torch.device('cpu'))
model_params = AttrDict(reloaded['params'])
self.supported_languages = model_params.lang2id.keys()
logger.info("Supported languages: %s" % ", ".join(self.supported_languages))
# update dictionary parameters
for name in ['n_words', 'bos_index', 'eos_index', 'pad_index', 'unk_index', 'mask_index']:
setattr(params, name, getattr(model_params, name))
# build dictionary / build encoder / build decoder / reload weights
self.dico = Dictionary(reloaded['dico_id2word'], reloaded['dico_word2id'], reloaded['dico_counts'])
#self.encoder = TransformerModel(model_params, dico, is_encoder=True, with_output=True).cuda().eval()
self.encoder = TransformerModel(model_params, self.dico, is_encoder=True, with_output=True).eval()
#self.decoder = TransformerModel(model_params, dico, is_encoder=False, with_output=True).cuda().eval()
self.decoder = TransformerModel(model_params, self.dico, is_encoder=False, with_output=True).eval()
self.encoder.load_state_dict(reloaded['encoder'])
self.decoder.load_state_dict(reloaded['decoder'])
params.src_id = model_params.lang2id[params.src_lang]
params.tgt_id = model_params.lang2id[params.tgt_lang]
self.model_params = model_params
self.params = params
def translate(args):
batch_size = args.batch_size
src_vocab = Dictionary.read_vocab(args.vocab_src)
tgt_vocab = Dictionary.read_vocab(args.vocab_tgt)
data = torch.load(args.reload_path, map_location='cpu')
model = TransformerModel(src_dictionary=src_vocab,
tgt_dictionary=tgt_vocab)
model.load_state_dict({k: data['module'][k] for k in data['module']})
model.cuda()
model.eval()
if 'epoch' in data:
print(f"Loading model from epoch_{data['epoch']}....")
src_sent = open(args.src, "r").readlines()
for i in range(0, len(src_sent), batch_size):
word_ids = [
torch.LongTensor([src_vocab.index(w) for w in s.strip().split()])
for s in src_sent[i:i + batch_size]
]
lengths = torch.LongTensor([len(s) + 2 for s in word_ids])
batch = torch.LongTensor(lengths.max().item(),
lengths.size(0)).fill_(src_vocab.pad_index)
batch[0] = src_vocab.bos_index
for j, s in enumerate(word_ids):
if lengths[j] > 2:
batch[1:lengths[j] - 1, j].copy_(s)
batch[lengths[j] - 1, j] = src_vocab.eos_index
batch = batch.cuda()
encoder_out = model.encoder(batch)
with torch.no_grad():
if args.beam == 1:
generated = model.decoder.generate_greedy(encoder_out)
else:
generated = model.decoder.generate_beam(encoder_out,
beam_size=5)
for j, s in enumerate(src_sent[i:i + batch_size]):
print(f"Source_{i+j}: {s.strip()}")
hypo = []
for w in generated[j][1:]:
if tgt_vocab[w.item()] == '</s>':
break
hypo.append(tgt_vocab[w.item()])
hypo = " ".join(hypo)
print(f"Target_{i+j}: {hypo}\n")
def on_init(self, params, p_params):
dump_path = os.path.join(params.dump_path, "debias")
checkpoint_path = os.path.join(dump_path, "checkpoint.pth")
if os.path.isfile(checkpoint_path):
self.params.dump_path = dump_path
self.checkpoint_path = checkpoint_path
self.from_deb = True
else:
self.checkpoint_path = os.path.join(params.dump_path,
"checkpoint.pth")
self.from_deb = False
deb = TransformerModel(p_params,
self.model.dico,
is_encoder=True,
with_output=False,
with_emb=False)
#deb = LinearDeb(p_params)
self.deb = deb.to(params.device)
def __init__(self, config, num_labels, params, dico, reloaded):
super().__init__()
self.config = config
self.num_labels = num_labels
self.batch_size = config.batch_size
self.hidden_dim = config.hidden_dim
self.xlm = TransformerModel(params, dico, True, True)
self.xlm.eval()
self.xlm.load_state_dict(reloaded['model'])
self.lstm = nn.LSTM(config.embedding_dim,
config.hidden_dim // 2,
num_layers=1,
bidirectional=True)
self.dropout = nn.Dropout(config.dropout)
self.classifier = nn.Linear(config.hidden_dim, config.num_class)
self.apply(self.init_bert_weights)
self.crf = CRF(config.num_class)
def reload_ar_checkpoint(path):
""" Reload autoregressive params, dictionary, model from a given path """
# Load dictionary/model/datasets first
reloaded = torch.load(path)
params = AttrDict(reloaded['params'])
# build dictionary / update parameters
dico = Dictionary(reloaded['dico_id2word'], reloaded['dico_word2id'],
reloaded['dico_counts'])
params.n_words = len(dico)
params.n_langs = 1
params.bos_index = dico.index(BOS_WORD)
params.eos_index = dico.index(EOS_WORD)
params.pad_index = dico.index(PAD_WORD)
params.unk_index = dico.index(UNK_WORD)
params.mask_index = dico.index(MASK_WORD)
# build Transformer model
model = TransformerModel(params, is_encoder=False, with_output=True)
model.load_state_dict(reloaded['model'])
return params, dico, model
def reload(path, params):
"""
Create a sentence embedder from a pretrained model.
"""
# reload model
reloaded = torch.load(path)
state_dict = reloaded['model']
# handle models from multi-GPU checkpoints
if 'checkpoint' in path:
state_dict = {(k[7:] if k.startswith('module.') else k): v
for k, v in state_dict.items()}
# reload dictionary and model parameters
dico = Dictionary(reloaded['dico_id2word'], reloaded['dico_word2id'],
reloaded['dico_counts'])
pretrain_params = AttrDict(reloaded['params'])
pretrain_params.n_words = len(dico)
pretrain_params.bos_index = dico.index(BOS_WORD)
pretrain_params.eos_index = dico.index(EOS_WORD)
pretrain_params.pad_index = dico.index(PAD_WORD)
pretrain_params.unk_index = dico.index(UNK_WORD)
pretrain_params.mask_index = dico.index(MASK_WORD)
# build model and reload weights
model = TransformerModel(pretrain_params, dico, True, True)
model.load_state_dict(state_dict)
model.eval()
# adding missing parameters
params.max_batch_size = 0
return MyModel(model, dico, pretrain_params, params)
def load_xlm_embeddings(path, model_name="model"):
"""
Load all xlm embeddings
Params:
path:
model_name: model name in the reloaded path, "model" for pretrained xlm encoder; "encoder" for encoder of translation model "decoder" for decoder of translation model
"""
reloaded = torch.load(path)
assert model_name in ["model", "encoder", "decoder"]
state_dict = reloaded[model_name]
# handle models from multi-GPU checkpoints
state_dict = {(k[7:] if k.startswith('module.') else k): v
for k, v in state_dict.items()}
# reload dictionary and model parameters
dico = Dictionary(reloaded['dico_id2word'], reloaded['dico_word2id'],
reloaded['dico_counts'])
pretrain_params = AttrDict(reloaded['params'])
pretrain_params.n_words = len(dico)
pretrain_params.bos_index = dico.index(BOS_WORD)
pretrain_params.eos_index = dico.index(EOS_WORD)
pretrain_params.pad_index = dico.index(PAD_WORD)
pretrain_params.unk_index = dico.index(UNK_WORD)
pretrain_params.mask_index = dico.index(MASK_WORD)
# build model and reload weights
if model_name != "decoder":
model = TransformerModel(pretrain_params, dico, True, True)
else:
model = TransformerModel(pretrain_params, dico, False, True)
model.load_state_dict(state_dict)
return model.embeddings.weight.data, dico
def reload_checkpoint(path):
""" Reload params, dictionary, model from a given path """
# Load dictionary/model/datasets first
reloaded = torch.load(path)
params = AttrDict(reloaded['params'])
print("Supported languages: %s" % ", ".join(params.lang2id.keys()))
# build dictionary / update parameters
dico = Dictionary(reloaded['dico_id2word'], reloaded['dico_word2id'],
reloaded['dico_counts'])
params.n_words = len(dico)
params.bos_index = dico.index(BOS_WORD)
params.eos_index = dico.index(EOS_WORD)
params.pad_index = dico.index(PAD_WORD)
params.unk_index = dico.index(UNK_WORD)
params.mask_index = dico.index(MASK_WORD)
# build model / reload weights
model = TransformerModel(params, dico, True, True)
model.load_state_dict(reloaded['model'])
return params, dico, model
def load_model(params):
# check parameters
assert os.path.isdir(params.data_path)
assert os.path.isfile(params.model_path)
reloaded = torch.load(params.model_path)
encoder_model_params = AttrDict(reloaded['enc_params'])
decoder_model_params = AttrDict(reloaded['dec_params'])
dico = Dictionary(reloaded['dico_id2word'], reloaded['dico_word2id'],
reloaded['dico_counts'])
params.n_langs = encoder_model_params['n_langs']
params.id2lang = encoder_model_params['id2lang']
params.lang2id = encoder_model_params['lang2id']
params.n_words = len(dico)
params.bos_index = dico.index(BOS_WORD)
params.eos_index = dico.index(EOS_WORD)
params.pad_index = dico.index(PAD_WORD)
params.unk_index = dico.index(UNK_WORD)
params.mask_index = dico.index(MASK_WORD)
encoder = TransformerModel(encoder_model_params,
dico,
is_encoder=True,
with_output=False)
decoder = TransformerModel(decoder_model_params,
dico,
is_encoder=False,
with_output=True)
def _process_state_dict(state_dict):
return {(k[7:] if k.startswith('module.') else k): v
for k, v in state_dict.items()}
encoder.load_state_dict(_process_state_dict(reloaded['encoder']))
decoder.load_state_dict(_process_state_dict(reloaded['decoder']))
return encoder, decoder, dico
def main(params):
# initialize the experiment
logger = initialize_exp(params)
# generate parser / parse parameters
parser = get_parser()
params = parser.parse_args()
reloaded = torch.load(params.model_path)
model_params = AttrDict(reloaded['params'])
logger.info("Supported languages: %s" % ", ".join(model_params.lang2id.keys()))
# update dictionary parameters
for name in ['n_words', 'bos_index', 'eos_index', 'pad_index', 'unk_index', 'mask_index']:
setattr(params, name, getattr(model_params, name))
# build dictionary / build encoder / build decoder / reload weights
dico = Dictionary(reloaded['dico_id2word'], reloaded['dico_word2id'], reloaded['dico_counts'])
encoder = TransformerModel(model_params, dico, is_encoder=True, with_output=True).cuda().eval()
decoder = TransformerModel(model_params, dico, is_encoder=False, with_output=True).cuda().eval()
encoder.load_state_dict(reloaded['encoder'])
decoder.load_state_dict(reloaded['decoder'])
params.src_id = model_params.lang2id[params.src_lang]
params.tgt_id = model_params.lang2id[params.tgt_lang]
# float16
if params.fp16:
assert torch.backends.cudnn.enabled
encoder = network_to_half(encoder)
decoder = network_to_half(decoder)
input_data = torch.load(params.input)
eval_dataset = Dataset(input_data["sentences"], input_data["positions"], params)
if params.subset_start is not None:
assert params.subset_end
eval_dataset.select_data(params.subset_start, params.subset_end)
eval_dataset.remove_empty_sentences()
eval_dataset.remove_long_sentences(params.max_len)
n_batch = 0
out = io.open(params.output_path, "w", encoding="utf-8")
inp_dump = io.open(os.path.join(params.dump_path, "input.txt"), "w", encoding="utf-8")
logger.info("logging to {}".format(os.path.join(params.dump_path, 'input.txt')))
with open(params.output_path, "w", encoding="utf-8") as out:
for batch in eval_dataset.get_iterator(shuffle=False):
n_batch += 1
(x1, len1) = batch
input_text = convert_to_text(x1, len1, input_data["dico"], params)
inp_dump.write("\n".join(input_text))
inp_dump.write("\n")
langs1 = x1.clone().fill_(params.src_id)
# cuda
x1, len1, langs1 = to_cuda(x1, len1, langs1)
# encode source sentence
enc1 = encoder("fwd", x=x1, lengths=len1, langs=langs1, causal=False)
enc1 = enc1.transpose(0, 1)
# generate translation - translate / convert to text
max_len = int(1.5 * len1.max().item() + 10)
if params.beam_size == 1:
generated, lengths = decoder.generate(enc1, len1, params.tgt_id, max_len=max_len)
else:
generated, lengths = decoder.generate_beam(
enc1, len1, params.tgt_id, beam_size=params.beam_size,
length_penalty=params.length_penalty,
early_stopping=params.early_stopping,
max_len=max_len)
hypotheses_batch = convert_to_text(generated, lengths, input_data["dico"], params)
out.write("\n".join(hypotheses_batch))
out.write("\n")
if n_batch % 100 == 0:
logger.info("{} batches processed".format(n_batch))
out.close()
inp_dump.close()
def main(params):
# initialize the experiment
logger = initialize_exp(params)
# generate parser / parse parameters
parser = get_parser()
params = parser.parse_args()
reloaded = torch.load(params.model_path)
model_params = AttrDict(reloaded["params"])
logger.info("Supported languages: %s" %
", ".join(model_params.lang2id.keys()))
# update dictionary parameters
for name in [
"n_words",
"bos_index",
"eos_index",
"pad_index",
"unk_index",
"mask_index",
]:
setattr(params, name, getattr(model_params, name))
# build dictionary / build encoder / build decoder / reload weights
dico = Dictionary(reloaded["dico_id2word"], reloaded["dico_word2id"],
reloaded["dico_counts"])
encoder = (TransformerModel(model_params,
dico,
is_encoder=True,
with_output=True).cuda().eval())
decoder = (TransformerModel(model_params,
dico,
is_encoder=False,
with_output=True).cuda().eval())
encoder.load_state_dict(reloaded["encoder"])
decoder.load_state_dict(reloaded["decoder"])
params.src_id = model_params.lang2id[params.src_lang]
params.tgt_id = model_params.lang2id[params.tgt_lang]
# read sentences from stdin
src_sent = []
for line in sys.stdin.readlines():
assert len(line.strip().split()) > 0
src_sent.append(line)
logger.info("Read %i sentences from stdin. Translating ..." %
len(src_sent))
f = io.open(params.output_path, "w", encoding="utf-8")
for i in range(0, len(src_sent), params.batch_size):
# prepare batch
word_ids = [
torch.LongTensor([dico.index(w) for w in s.strip().split()])
for s in src_sent[i:i + params.batch_size]
]
lengths = torch.LongTensor([len(s) + 2 for s in word_ids])
batch = torch.LongTensor(lengths.max().item(),
lengths.size(0)).fill_(params.pad_index)
batch[0] = params.eos_index
for j, s in enumerate(word_ids):
if lengths[j] > 2: # if sentence not empty
batch[1:lengths[j] - 1, j].copy_(s)
batch[lengths[j] - 1, j] = params.eos_index
langs = batch.clone().fill_(params.src_id)
# encode source batch and translate it
encoded = encoder(
"fwd",
x=batch.cuda(),
lengths=lengths.cuda(),
langs=langs.cuda(),
causal=False,
)
encoded = encoded.transpose(0, 1)
decoded, dec_lengths = decoder.generate(
encoded,
lengths.cuda(),
params.tgt_id,
max_len=int(1.5 * lengths.max().item() + 10),
)
# convert sentences to words
for j in range(decoded.size(1)):
# remove delimiters
sent = decoded[:, j]
delimiters = (sent == params.eos_index).nonzero().view(-1)
assert len(delimiters) >= 1 and delimiters[0].item() == 0
sent = sent[1:] if len(delimiters) == 1 else sent[1:delimiters[1]]
# output translation
source = src_sent[i + j].strip()
target = " ".join([dico[sent[k].item()] for k in range(len(sent))])
sys.stderr.write("%i / %i: %s -> %s\n" %
(i + j, len(src_sent), source, target))
f.write(target + "\n")
f.close()
def main(params):
# initialize the multi-GPU / multi-node training
init_distributed_mode(params)
# initialize the experiment
logger = initialize_exp(params)
# initialize SLURM signal handler for time limit / pre-emption
init_signal_handler()
# load data
data = load_data(params)
# load checkpoint
if params.model_path != "":
reloaded = torch.load(params.model_path)
model_params = AttrDict(reloaded['params'])
dico = Dictionary(reloaded['dico_id2word'], reloaded['dico_word2id'],
reloaded['dico_counts'])
encoder = TransformerModel(model_params,
dico,
is_encoder=True,
with_output=True).cuda().eval()
decoder = TransformerModel(model_params,
dico,
is_encoder=False,
with_output=True).cuda().eval()
encoder = TransformerModel(model_params,
dico,
is_encoder=True,
with_output=True).cuda().eval()
decoder = TransformerModel(model_params,
dico,
is_encoder=False,
with_output=True).cuda().eval()
encoder.load_state_dict(reloaded['encoder'])
decoder.load_state_dict(reloaded['decoder'])
logger.info("Supported languages: %s" %
", ".join(model_params.lang2id.keys()))
else:
# build model
if params.encoder_only:
model = build_model(params, data['dico'])
else:
encoder, decoder = build_model(params, data['dico'])
# build trainer, reload potential checkpoints / build evaluator
if params.encoder_only:
trainer = SingleTrainer(model, data, params)
evaluator = SingleEvaluator(trainer, data, params)
else:
trainer = EncDecTrainer(encoder, decoder, data, params)
evaluator = EncDecEvaluator(trainer, data, params)
# evaluation
if params.eval_only:
scores = evaluator.run_all_evals(trainer)
for k, v in scores.items():
logger.info("%s -> %.6f" % (k, v))
logger.info("__log__:%s" % json.dumps(scores))
exit()
# set sampling probabilities for training
set_sampling_probs(data, params)
# language model training
for _ in range(params.max_epoch):
logger.info("============ Starting epoch %i ... ============" %
trainer.epoch)
trainer.n_sentences = 0
while trainer.n_sentences < trainer.epoch_size:
# CLM steps
for lang1, lang2 in shuf_order(params.clm_steps, params):
trainer.clm_step(lang1, lang2, params.lambda_clm)
# MLM steps (also includes TLM if lang2 is not None)
for lang1, lang2 in shuf_order(params.mlm_steps, params):
trainer.mlm_step(lang1, lang2, params.lambda_mlm)
# parallel classification steps
for lang1, lang2 in shuf_order(params.pc_steps, params):
trainer.pc_step(lang1, lang2, params.lambda_pc)
# denoising auto-encoder steps
for lang in shuf_order(params.ae_steps):
trainer.mt_step(lang, lang, params.lambda_ae)
# machine translation steps
for lang1, lang2 in shuf_order(params.mt_steps, params):
trainer.mt_step(lang1, lang2, params.lambda_mt)
# back-translation steps
for lang1, lang2, lang3 in shuf_order(params.bt_steps):
trainer.bt_step(lang1, lang2, lang3, params.lambda_bt)
trainer.iter()
logger.info("============ End of epoch %i ============" %
trainer.epoch)
# evaluate perplexity
scores = evaluator.run_all_evals(trainer)
# print / JSON log
for k, v in scores.items():
logger.info("%s -> %.6f" % (k, v))
if params.is_master:
logger.info("__log__:%s" % json.dumps(scores))
# end of epoch
trainer.save_best_model(scores)
trainer.save_periodic()
trainer.end_epoch(scores)
class Translate():
def __init__(self,
model_path,
tgt_lang,
src_lang,
dump_path="./dumped/",
exp_name="translate",
exp_id="test",
batch_size=32):
# parse parameters
parser = argparse.ArgumentParser(description="Translate sentences")
# main parameters
parser.add_argument("--dump_path",
type=str,
default=dump_path,
help="Experiment dump path")
parser.add_argument("--exp_name",
type=str,
default=exp_name,
help="Experiment name")
parser.add_argument("--exp_id",
type=str,
default=exp_id,
help="Experiment ID")
parser.add_argument("--batch_size",
type=int,
default=batch_size,
help="Number of sentences per batch")
# model / output paths
parser.add_argument("--model_path",
type=str,
default=model_path,
help="Model path")
# parser.add_argument("--max_vocab", type=int, default=-1, help="Maximum vocabulary size (-1 to disable)")
# parser.add_argument("--min_count", type=int, default=0, help="Minimum vocabulary count")
# source language / target language
parser.add_argument("--src_lang",
type=str,
default=src_lang,
help="Source language")
parser.add_argument("--tgt_lang",
type=str,
default=tgt_lang,
help="Target language")
parser.add_argument('-d',
"--text",
type=str,
default="",
nargs='+',
help="Text to be translated")
params = parser.parse_args()
assert params.src_lang != '' and params.tgt_lang != '' and params.src_lang != params.tgt_lang
# initialize the experiment
logger = initialize_exp(params)
# On a pas de GPU
#reloaded = torch.load(params.model_path)
reloaded = torch.load(params.model_path,
map_location=torch.device('cpu'))
model_params = AttrDict(reloaded['params'])
self.supported_languages = model_params.lang2id.keys()
logger.info("Supported languages: %s" %
", ".join(self.supported_languages))
# update dictionary parameters
for name in [
'n_words', 'bos_index', 'eos_index', 'pad_index', 'unk_index',
'mask_index'
]:
try:
setattr(params, name, getattr(model_params, name))
except AttributeError:
key = list(model_params.meta_params.keys())[0]
attr = getattr(model_params.meta_params[key], name)
setattr(params, name, attr)
setattr(model_params, name, attr)
# build dictionary / build encoder / build decoder / reload weights
self.dico = Dictionary(reloaded['dico_id2word'],
reloaded['dico_word2id'],
reloaded['dico_counts'])
#self.encoder = TransformerModel(model_params, dico, is_encoder=True, with_output=True).cuda().eval()
self.encoder = TransformerModel(model_params,
self.dico,
is_encoder=True,
with_output=True).eval()
#self.decoder = TransformerModel(model_params, dico, is_encoder=False, with_output=True).cuda().eval()
self.decoder = TransformerModel(model_params,
self.dico,
is_encoder=False,
with_output=True).eval()
self.encoder.load_state_dict(reloaded['encoder'])
self.decoder.load_state_dict(reloaded['decoder'])
params.src_id = model_params.lang2id[params.src_lang]
params.tgt_id = model_params.lang2id[params.tgt_lang]
self.model_params = model_params
self.params = params
def translate(self, src_sent=[]):
flag = False
if type(src_sent) == str:
src_sent = [src_sent]
flag = True
tgt_sent = []
for i in range(0, len(src_sent), self.params.batch_size):
# prepare batch
word_ids = [
torch.LongTensor(
[self.dico.index(w) for w in s.strip().split()])
for s in src_sent[i:i + self.params.batch_size]
]
lengths = torch.LongTensor([len(s) + 2 for s in word_ids])
batch = torch.LongTensor(lengths.max().item(),
lengths.size(0)).fill_(
self.params.pad_index)
batch[0] = self.params.eos_index
for j, s in enumerate(word_ids):
if lengths[j] > 2: # if sentence not empty
batch[1:lengths[j] - 1, j].copy_(s)
batch[lengths[j] - 1, j] = self.params.eos_index
langs = batch.clone().fill_(self.params.src_id)
# encode source batch and translate it
#encoded = self.encoder('fwd', x=batch.cuda(), lengths=lengths.cuda(), langs=langs.cuda(), causal=False)
encoded = self.encoder('fwd',
x=batch,
lengths=lengths,
langs=langs,
causal=False)
encoded = encoded.transpose(0, 1)
#decoded, dec_lengths = self.decoder.generate(encoded, lengths.cuda(), self.params.tgt_id, max_len=int(1.5 * lengths.max().item() + 10))
decoded, dec_lengths = self.decoder.generate(
encoded,
lengths,
self.params.tgt_id,
max_len=int(1.5 * lengths.max().item() + 10))
# convert sentences to words
for j in range(decoded.size(1)):
# remove delimiters
sent = decoded[:, j]
delimiters = (sent == self.params.eos_index).nonzero().view(-1)
assert len(delimiters) >= 1 and delimiters[0].item() == 0
sent = sent[1:] if len(
delimiters) == 1 else sent[1:delimiters[1]]
# output translation
source = src_sent[i + j].strip()
target = " ".join(
[self.dico[sent[k].item()] for k in range(len(sent))])
sys.stderr.write("%i / %i: %s -> %s\n" %
(i + j, len(src_sent), source, target))
tgt_sent.append(target)
if flag:
return tgt_sent[0]
return tgt_sent
def main(params):
# initialize the experiment
logger = initialize_exp(params)
# generate parser / parse parameters
parser = get_parser()
params = parser.parse_args()
reloaded = torch.load(params.model_path)
model_params = AttrDict(reloaded['params'])
logger.info("Supported languages: %s" %
", ".join(model_params.lang2id.keys()))
# update dictionary parameters
for name in [
'n_words', 'bos_index', 'eos_index', 'pad_index', 'unk_index',
'mask_index'
]:
setattr(params, name, getattr(model_params, name))
# build dictionary / build encoder / build decoder / reload weights
dico = Dictionary(reloaded['dico_id2word'], reloaded['dico_word2id'],
reloaded['dico_counts'])
encoder = TransformerModel(model_params,
dico,
is_encoder=True,
with_output=True).cuda().eval()
encoder.load_state_dict(reloaded['encoder'])
decoder = None
# decoder = TransformerModel(model_params, dico, is_encoder=False, with_output=True).cuda().eval()
# decoder.load_state_dict(reloaded['decoder'])
params.src_id = model_params.lang2id[params.src_lang]
params.tgt_id = model_params.lang2id[params.tgt_lang]
# read sentences from stdin
src_sent = []
for line in sys.stdin.readlines():
assert len(line.strip().split()) > 0
src_sent.append(line)
logger.info("Read %i sentences from stdin. Translating ..." %
len(src_sent))
all_encodings = []
# For each sentence...
for i in range(0, len(src_sent), params.batch_size):
# prepare batch
word_ids = [
torch.LongTensor([dico.index(w) for w in s.strip().split()])
for s in src_sent[i:i + params.batch_size]
]
lengths = torch.LongTensor([len(s) + 2 for s in word_ids])
batch = torch.LongTensor(lengths.max().item(),
lengths.size(0)).fill_(params.pad_index)
batch[0] = params.eos_index
for j, s in enumerate(word_ids):
if lengths[j] > 2: # if sentence not empty
batch[1:lengths[j] - 1, j].copy_(s)
batch[lengths[j] - 1, j] = params.eos_index
langs = batch.clone().fill_(params.src_id)
# encode source batch and translate it, deal with padding
encodings = encoderouts(encoder, batch, lengths, langs)
# batch is actually in original order, append each sent to all_encodings
for idx in encodings:
all_encodings.append(idx.cpu().numpy())
# Save all encodings to npy
np.save(params.output_path, np.stack(all_encodings))
def main(params):
# initialize the experiment
logger = initialize_exp(params)
# generate parser / parse parameters
parser = get_parser()
params = parser.parse_args()
reloaded = torch.load(params.model_path)
model_params = AttrDict(reloaded['params'])
logger.info("Supported languages: %s" %
", ".join(model_params.lang2id.keys()))
# update dictionary parameters
for name in [
'n_words', 'bos_index', 'eos_index', 'pad_index', 'unk_index',
'mask_index'
]:
setattr(params, name, getattr(model_params, name))
# build dictionary / build encoder / build decoder / reload weights
dico = Dictionary(reloaded['dico_id2word'], reloaded['dico_word2id'],
reloaded['dico_counts'])
encoder = TransformerModel(model_params,
dico,
is_encoder=True,
with_output=True).cuda().eval()
decoder = TransformerModel(model_params,
dico,
is_encoder=False,
with_output=True).cuda().eval()
encoder.load_state_dict(reloaded['encoder'])
decoder.load_state_dict(reloaded['decoder'])
params.src_id = model_params.lang2id[params.src_lang]
params.tgt_id = model_params.lang2id[params.tgt_lang]
# read sentences from stdin
src_sent = []
with open(params.sentences_path, 'r') as file1:
for line in file1:
if 0 < len(line.strip().split()) < 100:
src_sent.append(line)
#print(len(src_sent))
logger.info(
"Read %i sentences from sentences file.Writing them to a src file. Translating ..."
% len(src_sent))
f = io.open(params.output_path + '.src_sent', 'w', encoding='utf-8')
for sentence in src_sent:
f.write(sentence)
f.close()
logger.info("Wrote them to a src file")
f = io.open(params.output_path, 'w', encoding='utf-8')
for i in range(0, len(src_sent), params.batch_size):
# prepare batch
word_ids = [
torch.LongTensor([dico.index(w) for w in s.strip().split()])
for s in src_sent[i:i + params.batch_size]
]
lengths = torch.LongTensor([len(s) + 2 for s in word_ids])
batch = torch.LongTensor(lengths.max().item(),
lengths.size(0)).fill_(params.pad_index)
batch[0] = params.eos_index
for j, s in enumerate(word_ids):
if lengths[j] > 2: # if sentence not empty
batch[1:lengths[j] - 1, j].copy_(s)
batch[lengths[j] - 1, j] = params.eos_index
langs = batch.clone().fill_(params.src_id)
# encode source batch and translate it
encoded, _ = encoder('fwd',
x=batch.cuda(),
lengths=lengths.cuda(),
langs=langs.cuda(),
causal=False)
encoded = encoded.transpose(0, 1)
#decoded, dec_lengths = decoder.generate(encoded, lengths.cuda(), params.tgt_id, max_len=int(1.5 * lengths.max().item() + 10))
decoded, dec_lengths = decoder.generate_beam(
encoded,
lengths.cuda(),
params.tgt_id,
beam_size=params.beam_size,
length_penalty=params.length_penalty,
early_stopping=params.early_stopping,
max_len=int(1.5 * lengths.cuda().max().item() + 10))
# convert sentences to words
for j in range(decoded.size(1)):
# remove delimiters
sent = decoded[:, j]
delimiters = (sent == params.eos_index).nonzero().view(-1)
assert len(delimiters) >= 1 and delimiters[0].item() == 0
sent = sent[1:] if len(delimiters) == 1 else sent[1:delimiters[1]]
# output translation
source = src_sent[i + j].strip()
target = " ".join([dico[sent[k].item()] for k in range(len(sent))])
if (i + j) % 100 == 0:
logger.info(
"Translation of %i / %i:\n Source sentence: %s \n Translation: %s\n"
% (i + j, len(src_sent), source, target))
f.write(target + "\n")
f.close()
def run_xnlg():
params = get_params()
# initialize the experiment / build sentence embedder
logger = initialize_exp(params)
if params.tokens_per_batch > -1:
params.group_by_size = True
# check parameters
assert os.path.isdir(params.data_path)
assert os.path.isfile(params.model_path)
# tasks
params.transfer_tasks = params.transfer_tasks.split(',')
assert len(params.transfer_tasks) > 0
assert all([task in TASKS for task in params.transfer_tasks])
reloaded = torch.load(params.model_path)
model_params = AttrDict(reloaded['params'])
logger.info("Supported languages: %s" %
", ".join(model_params.lang2id.keys()))
params.n_langs = model_params['n_langs']
params.id2lang = model_params['id2lang']
params.lang2id = model_params['lang2id']
if "enc_params" in reloaded:
encoder_model_params = AttrDict(reloaded["enc_params"])
elif params.n_enc_layers == model_params.n_layers or params.n_enc_layers == 0:
encoder_model_params = model_params
else:
encoder_model_params = AttrDict(reloaded['params'])
encoder_model_params.n_layers = params.n_enc_layers
assert model_params.n_layers is not encoder_model_params.n_layers
if "dec_params" in reloaded:
decoder_model_params = AttrDict(reloaded["dec_params"])
elif params.n_dec_layers == model_params.n_layers or params.n_dec_layers == 0:
decoder_model_params = model_params
else:
decoder_model_params = AttrDict(reloaded['params'])
decoder_model_params.n_layers = params.n_dec_layers
assert model_params.n_layers is not decoder_model_params.n_layers
params.encoder_model_params = encoder_model_params
params.decoder_model_params = decoder_model_params
if params.emb_dim != -1:
encoder_model_params.emb_dim = params.emb_dim
decoder_model_params.emb_dim = params.emb_dim
# build dictionary / build encoder / build decoder / reload weights
dico = Dictionary(reloaded['dico_id2word'], reloaded['dico_word2id'],
reloaded['dico_counts'])
for p in [params, encoder_model_params, decoder_model_params]:
p.n_words = len(dico)
p.bos_index = dico.index(BOS_WORD)
p.eos_index = dico.index(EOS_WORD)
p.pad_index = dico.index(PAD_WORD)
p.unk_index = dico.index(UNK_WORD)
p.mask_index = dico.index(MASK_WORD)
encoder = TransformerModel(encoder_model_params,
dico,
is_encoder=True,
with_output=False)
decoder = TransformerModel(decoder_model_params,
dico,
is_encoder=False,
with_output=True)
def _process_state_dict(state_dict):
return {(k[7:] if k.startswith('module.') else k): v
for k, v in state_dict.items()}
if params.no_init == "all":
logger.info("All Models will not load state dict.!!!")
elif params.reload_emb != "":
logger.info("Reloading embedding from %s ..." % params.reload_emb)
word2id, embeddings = read_txt_embeddings(logger, params.reload_emb)
set_pretrain_emb(logger, encoder, dico, word2id, embeddings)
set_pretrain_emb(logger, decoder, dico, word2id, embeddings)
else:
if "model" in reloaded:
if params.no_init != "encoder":
encoder.load_state_dict(_process_state_dict(reloaded['model']),
strict=False)
if params.no_init != "decoder":
decoder.load_state_dict(_process_state_dict(reloaded['model']),
strict=False)
else:
if params.no_init != "encoder":
encoder.load_state_dict(_process_state_dict(
reloaded['encoder']),
strict=False)
if params.no_init != "decoder":
decoder.load_state_dict(
_process_state_dict(reloaded['decoder']))
scores = {}
# run
for task in params.transfer_tasks:
if task == "XQG":
XQG_v3(encoder, decoder, scores, dico, params).run()
elif task == "XSumm":
XSumm(encoder, decoder, scores, dico, params).run()
def main():
parser.add_argument("--input", type=str, default="", help="input file")
parser.add_argument("--model", type=str, default="", help="model path")
parser.add_argument("--spm_model",
type=str,
default="",
help="spm model path")
parser.add_argument("--batch_size",
type=int,
default=64,
help="batch size")
parser.add_argument("--max_words", type=int, default=100, help="max words")
parser.add_argument("--cuda", type=str, default="True", help="use cuda")
parser.add_argument("--output", type=str, default="", help="output file")
args = parser.parse_args()
# Reload a pretrained model
reloaded = torch.load(args.model)
params = AttrDict(reloaded['params'])
# Reload the SPM model
spm_model = spm.SentencePieceProcessor()
spm_model.Load(args.spm_model)
# cuda
assert args.cuda in ["True", "False"]
args.cuda = eval(args.cuda)
# build dictionary / update parameters
dico = Dictionary(reloaded['dico_id2word'], reloaded['dico_word2id'],
reloaded['dico_counts'])
params.n_words = len(dico)
params.bos_index = dico.index(BOS_WORD)
params.eos_index = dico.index(EOS_WORD)
params.pad_index = dico.index(PAD_WORD)
params.unk_index = dico.index(UNK_WORD)
params.mask_index = dico.index(MASK_WORD)
# build model / reload weights
model = TransformerModel(params, dico, True, True)
reloaded['model'] = OrderedDict({
key.replace('module.', ''): reloaded['model'][key]
for key in reloaded['model']
})
model.load_state_dict(reloaded['model'])
model.eval()
if args.cuda:
model.cuda()
# load sentences
sentences = []
with open(args.input) as f:
for line in f:
line = spm_model.EncodeAsPieces(line.rstrip())
line = line[:args.max_words - 1]
sentences.append(line)
# encode sentences
embs = []
for i in range(0, len(sentences), args.batch_size):
batch = sentences[i:i + args.batch_size]
lengths = torch.LongTensor([len(s) + 1 for s in batch])
bs, slen = len(batch), lengths.max().item()
assert slen <= args.max_words
x = torch.LongTensor(slen, bs).fill_(params.pad_index)
for k in range(bs):
sent = torch.LongTensor([params.eos_index] +
[dico.index(w) for w in batch[k]])
x[:len(sent), k] = sent
if args.cuda:
x = x.cuda()
lengths = lengths.cuda()
with torch.no_grad():
embedding = model('fwd',
x=x,
lengths=lengths,
langs=None,
causal=False).contiguous()[0].cpu()
embs.append(embedding)
# save embeddings
torch.save(torch.cat(embs, dim=0).squeeze(0), args.output)
def main(params):
# initialize the experiment
logger = initialize_exp(params)
# generate parser / parse parameters
parser = get_parser()
params = parser.parse_args()
reloaded = torch.load(params.model_path)
model_params = AttrDict(reloaded['params'])
model_params.add_pred = ""
logger.info("Supported languages: %s" %
", ".join(model_params.lang2id.keys()))
# update dictionary parameters
for name in [
'n_words', 'bos_index', 'eos_index', 'pad_index', 'unk_index',
'mask_index'
]:
setattr(params, name, getattr(model_params, name))
# build dictionary / build encoder / build decoder / reload weights
src_dico = load_binarized(params.src_data)
tgt_dico = load_binarized(params.tgt_data)
encoder = TransformerModel(model_params,
src_dico,
is_encoder=True,
with_output=False).cuda().eval()
decoder = TransformerModel(model_params,
tgt_dico,
is_encoder=False,
with_output=True).cuda().eval()
if all([k.startswith('module.') for k in reloaded['encoder'].keys()]):
reloaded['encoder'] = {
k[len('module.'):]: v
for k, v in reloaded['encoder'].items()
}
reloaded['decoder'] = {
k[len('module.'):]: v
for k, v in reloaded['decoder'].items()
}
encoder.load_state_dict(reloaded['encoder'], strict=False)
decoder.load_state_dict(reloaded['decoder'], strict=False)
params.src_id = model_params.lang2id[params.src_lang]
params.tgt_id = model_params.lang2id[params.tgt_lang]
# # float16
# # read sentences from stdin
src_sent = []
input_f = open(params.input_path, 'r')
for line in input_f:
line = line.strip()
assert len(line.strip().split()) > 0
src_sent.append(line)
logger.info("Read %i sentences from stdin. Translating ..." %
len(src_sent))
f = io.open(params.output_path, 'w', encoding='utf-8')
for i in range(0, len(src_sent), params.batch_size):
# prepare batch
word_ids = [
torch.LongTensor([src_dico.index(w) for w in s.strip().split()])
for s in src_sent[i:i + params.batch_size]
]
lengths = torch.LongTensor([len(s) + 2 for s in word_ids])
batch = torch.LongTensor(lengths.max().item(),
lengths.size(0)).fill_(params.pad_index)
batch[0] = params.eos_index
for j, s in enumerate(word_ids):
if lengths[j] > 2: # if sentence not empty
batch[1:lengths[j] - 1, j].copy_(s)
batch[lengths[j] - 1, j] = params.eos_index
langs = batch.clone().fill_(params.src_id)
# encode source batch and translate it
encoded = encoder('fwd',
x=batch.cuda(),
lengths=lengths.cuda(),
langs=langs.cuda(),
causal=False)
encoded = [enc.transpose(0, 1) for enc in encoded]
decoded, dec_lengths = decoder.generate(
encoded,
lengths.cuda(),
params.tgt_id,
max_len=int(1.5 * lengths.max().item() + 10))
# convert sentences to words
for j in range(decoded.size(1)):
# remove delimiters
sent = decoded[:, j]
delimiters = (sent == params.eos_index).nonzero().view(-1)
assert len(delimiters) >= 1 and delimiters[0].item() == 0
sent = sent[1:] if len(delimiters) == 1 else sent[1:delimiters[1]]
# output translation
source = src_sent[i + j].strip()
target = " ".join(
[tgt_dico[sent[k].item()] for k in range(len(sent))])
#sys.stderr.write("%i / %i: %s -> %s\n" % (i + j, len(src_sent), source, target))
f.write(target + "\n")
f.close()
def main(params):
# initialize the experiment
logger = initialize_exp(params)
# generate parser / parse parameters
parser = get_parser()
params = parser.parse_args()
reloaded = torch.load(params.model_path)
model_params = AttrDict(reloaded['params'])
model_params['mnmt'] = params.mnmt
logger.info("Supported languages: %s" % ", ".join(model_params.lang2id.keys()))
# update dictionary parameters
for name in ['n_words', 'bos_index', 'eos_index', 'pad_index', 'unk_index', 'mask_index']:
setattr(params, name, getattr(model_params, name))
# build dictionary / build encoder / build decoder / reload weights
if model_params.share_word_embeddings or model_params.share_all_embeddings:
dico = Dictionary(reloaded['dico_id2word'],
reloaded['dico_word2id'],
reloaded['dico_counts'])
else:
dico = {}
for lang in [params.src_lang, params.tgt_lang]:
dico[lang] = Dictionary(reloaded[lang]['dico_id2word'],
reloaded[lang]['dico_word2id'],
reloaded[lang]['dico_counts'])
if model_params.share_word_embeddings or model_params.share_all_embeddings:
encoder = TransformerModel(model_params, dico, is_encoder=True, with_output=False).cuda().eval()
decoder = TransformerModel(model_params, dico, is_encoder=False, with_output=True).cuda().eval()
else:
src_dico = dico[params.src_lang]
tgt_dico = dico[params.tgt_lang]
encoder = TransformerModel(model_params, src_dico, is_encoder=True, with_output=False).cuda().eval()
decoder = TransformerModel(model_params, tgt_dico, is_encoder=False, with_output=True).cuda().eval()
try:
encoder.load_state_dict(reloaded['encoder'])
decoder.load_state_dict(reloaded['decoder'])
except RuntimeError:
enc_reload = reloaded['encoder']
if all([k.startswith('module.') for k in enc_reload.keys()]):
enc_reload = {k[len('module.'):]: v for k, v in enc_reload.items()}
dec_reload = reloaded['decoder']
if all(k.startswith('module.') for k in dec_reload.keys()):
dec_reload = {k[len('moduls.'):]: v for k, v in dec_reload.items()}
encoder.load_state_dict(enc_reload)
decoder.load_state_dict(dec_reload)
params.src_id = model_params.lang2id[params.src_lang]
params.tgt_id = model_params.lang2id[params.tgt_lang]
# read sentences from stdin
src_sent = []
for line in sys.stdin.readlines():
assert len(line.strip().split()) > 0
src_sent.append(line)
logger.info("Read %i sentences from stdin. Translating ..." % len(src_sent))
f = io.open(params.output_path, 'w', encoding='utf-8')
for i in range(0, len(src_sent), params.batch_size):
word_ids = [torch.LongTensor([src_dico.index(w) for w in s.strip().split()])
for s in src_sent[i:i + params.batch_size]]
lengths = torch.LongTensor([len(s) + 2 for s in word_ids])
batch = torch.LongTensor(lengths.max().item(), lengths.size(0)).fill_(params.pad_index)
batch[0] = params.eos_index
for j, s in enumerate(word_ids):
if lengths[j] > 2: # if sentence not empty
batch[1:lengths[j] - 1, j].copy_(s)
batch[lengths[j] - 1, j] = params.eos_index
langs = batch.clone().fill_(params.src_id)
# encode source batch and translate it
encoded = encoder('fwd', x=batch.cuda(), lengths=lengths.cuda(), langs=langs.cuda(), causal=False)
encoded = encoded.transpose(0, 1)
if params.beam_size > 1:
decoded, dec_lengths = decoder.generate_beam(encoded, lengths.cuda(), params.tgt_id,
beam_size=params.beam_size,
length_penalty=params.lenpen,
early_stopping=params.early_stopping,
max_len=int(1.5 * lengths.max().item() + 10))
else:
decoded, dec_lengths = decoder.generate(encoded, lengths.cuda(), params.tgt_id,
max_len=int(1.5 * lengths.max().item() + 10))
# convert sentences to words
for j in range(decoded.size(1)):
# remove delimiters
sent = decoded[:, j]
delimiters = (sent == params.eos_index).nonzero().view(-1)
assert len(delimiters) >= 1 and delimiters[0].item() == 0
sent = sent[1:] if len(delimiters) == 1 else sent[1:delimiters[1]]
# output translation
source = src_sent[i + j].strip()
target = " ".join([tgt_dico[sent[k].item()] for k in range(len(sent))])
sys.stderr.write("%i / %i: %s -> %s\n" % (i + j, len(src_sent), source, target))
f.write(target + "\n")
f.close()
#%% [markdown]
# ## Build dictionary / update parameters / build model
#%%
# build dictionary / update parameters
dico = Dictionary(reloaded['dico_id2word'], reloaded['dico_word2id'],
reloaded['dico_counts'])
assert params.n_words == len(dico)
assert params.bos_index == dico.index(BOS_WORD)
assert params.eos_index == dico.index(EOS_WORD)
assert params.pad_index == dico.index(PAD_WORD)
assert params.unk_index == dico.index(UNK_WORD)
assert params.mask_index == dico.index(MASK_WORD)
# build model / reload weights
model = TransformerModel(params, dico, True, True)
model.load_state_dict(reloaded['model'])
model.cuda()
model.eval()
#%%
#%%
FASTBPE_PATH = '/private/home/guismay/tools/fastBPE/fast'
TOKENIZER_PATH = '/private/home/guismay/tools/mosesdecoder/scripts/tokenizer/tokenizer.perl'
DETOKENIZER_PATH = '/private/home/guismay/tools/mosesdecoder/scripts/tokenizer/detokenizer.perl'
BPE_CODES = '/checkpoint/guismay/ccclean/60000/codes.60000'
#%%
def apply_bpe(txt):
def main(params):
# initialize the experiment
logger = initialize_exp(params)
parser = get_parser()
params = parser.parse_args()
models_path = params.model_path.split(',')
# generate parser / parse parameters
models_reloaded = []
for model_path in models_path:
models_reloaded.append(torch.load(model_path))
model_params = AttrDict(models_reloaded[0]['params'])
logger.info("Supported languages: %s" %
", ".join(model_params.lang2id.keys()))
# update dictionary parameters
for name in [
'n_words', 'bos_index', 'eos_index', 'pad_index', 'unk_index',
'mask_index'
]:
setattr(params, name, getattr(model_params, name))
# build dictionary / build encoder / build decoder / reload weights
dico = Dictionary(models_reloaded[0]['dico_id2word'],
models_reloaded[0]['dico_word2id'],
models_reloaded[0]['dico_counts'])
params.src_id = model_params.lang2id[params.src_lang]
params.tgt_id = model_params.lang2id[params.tgt_lang]
encoders = []
decoders = []
def package_module(modules):
state_dict = OrderedDict()
for k, v in modules.items():
if k.startswith('module.'):
state_dict[k[7:]] = v
else:
state_dict[k] = v
return state_dict
for reloaded in models_reloaded:
encoder = TransformerModel(model_params,
dico,
is_encoder=True,
with_output=True).to(params.device).eval()
decoder = TransformerModel(model_params,
dico,
is_encoder=False,
with_output=True).to(params.device).eval()
encoder.load_state_dict(package_module(reloaded['encoder']))
decoder.load_state_dict(package_module(reloaded['decoder']))
# float16
if params.fp16:
assert torch.backends.cudnn.enabled
encoder = network_to_half(encoder)
decoder = network_to_half(decoder)
encoders.append(encoder)
decoders.append(decoder)
#src_sent = ['Poly@@ gam@@ ie statt Demokratie .']
src_sent = []
for line in sys.stdin.readlines():
assert len(line.strip().split()) > 0
src_sent.append(line)
f = io.open(params.output_path, 'w', encoding='utf-8')
for i in range(0, len(src_sent), params.batch_size):
# prepare batch
word_ids = [
torch.LongTensor([dico.index(w) for w in s.strip().split()])
for s in src_sent[i:i + params.batch_size]
]
lengths = torch.LongTensor([len(s) + 2 for s in word_ids])
batch = torch.LongTensor(lengths.max().item(),
lengths.size(0)).fill_(params.pad_index)
batch[0] = params.eos_index
for j, s in enumerate(word_ids):
if lengths[j] > 2: # if sentence not empty
batch[1:lengths[j] - 1, j].copy_(s)
batch[lengths[j] - 1, j] = params.eos_index
langs = batch.clone().fill_(params.src_id)
# encode source batch and translate it
encodeds = []
for encoder in encoders:
encoded = encoder('fwd',
x=batch.to(params.device),
lengths=lengths.to(params.device),
langs=langs.to(params.device),
causal=False)
encoded = encoded.transpose(0, 1)
encodeds.append(encoded)
assert encoded.size(0) == lengths.size(0)
decoded, dec_lengths = generate_beam(
decoders,
encodeds,
lengths.to(params.device),
params.tgt_id,
beam_size=params.beam,
length_penalty=params.length_penalty,
early_stopping=False,
max_len=int(1.5 * lengths.max().item() + 10),
params=params)
# convert sentences to words
for j in range(decoded.size(1)):
# remove delimiters
sent = decoded[:, j]
delimiters = (sent == params.eos_index).nonzero().view(-1)
assert len(delimiters) >= 1 and delimiters[0].item() == 0
sent = sent[1:] if len(delimiters) == 1 else sent[1:delimiters[1]]
# output translation
source = src_sent[i + j].strip()
target = " ".join([dico[sent[k].item()] for k in range(len(sent))])
sys.stderr.write("%i / %i: %s -> %s\n" %
(i + j, len(src_sent), source, target))
f.write(target + "\n")
f.close()
def main():
# Load pre-trained model
model_path = './models/mlm_tlm_xnli15_1024.pth'
reloaded = torch.load(model_path)
params = AttrDict(reloaded['params'])
# build dictionary / update parameters
dico = Dictionary(reloaded['dico_id2word'], reloaded['dico_word2id'],
reloaded['dico_counts'])
params.n_words = len(dico)
params.bos_index = dico.index(BOS_WORD)
params.eos_index = dico.index(EOS_WORD)
params.pad_index = dico.index(PAD_WORD)
params.unk_index = dico.index(UNK_WORD)
params.mask_index = dico.index(MASK_WORD)
# build model / reload weights
model = TransformerModel(params, dico, True, True)
#model.cuda() #if using GPU
model.load_state_dict(reloaded['model'])
""" """
with open(args.filename, "r") as f:
sentence_list = f.readlines()[args.sn[0]:args.sn[1]]
# remove new line symbols
for i in range(0, len(sentence_list)):
sentence_list[i] = sentence_list[i].replace("\n", "")
# save as dataframe and add language tokens
sentence_df = pd.DataFrame(sentence_list)
sentence_df.columns = ['sentence']
sentence_df['language'] = 'en'
# match xlm format
sentences = list(zip(sentence_df.sentence, sentence_df.language))(sentence,
language)
""" from XLM repo """
# add </s> sentence delimiters
sentences = [(('</s> %s </s>' % sent.strip()).split(), lang)
for sent, lang in sentences]
# Create batch
bs = len(sentences)
slen = max([len(sent) for sent, _ in sentences])
word_ids = torch.LongTensor(slen, bs).fill_(params.pad_index)
for i in range(len(sentences)):
sent = torch.LongTensor([dico.index(w) for w in sentences[i][0]])
word_ids[:len(sent), i] = sent
lengths = torch.LongTensor([len(sent) for sent, _ in sentences])
langs = torch.LongTensor([params.lang2id[lang] for _, lang in sentences
]).unsqueeze(0).expand(slen, bs)
#if using GPU:
#word_ids=word_ids.cuda()
#lengths=lengths.cuda()
#langs=langs.cuda()
tensor = model('fwd',
x=word_ids,
lengths=lengths,
langs=langs,
causal=False).contiguous()
print(tensor.size())
# The variable tensor is of shape (sequence_length, batch_size, model_dimension).
# tensor[0] is a tensor of shape (batch_size, model_dimension) that corresponds to the first hidden state of the last layer of each sentence.
# This is this vector that we use to finetune on the GLUE and XNLI tasks.
""" """
torch.save(tensor[0], args.o)
def main(params):
# initialize the experiment
logger = initialize_exp(params)
# generate parser / parse parameters
parser = get_parser()
params = parser.parse_args()
torch.manual_seed(
params.seed
) # Set random seed. NB: Multi-GPU also needs torch.cuda.manual_seed_all(params.seed)
assert (params.sample_temperature
== 0) or (params.beam_size == 1), 'Cannot sample with beam search.'
assert params.amp <= 1, f'params.amp == {params.amp} not yet supported.'
reloaded = torch.load(params.model_path)
model_params = AttrDict(reloaded['params'])
logger.info("Supported languages: %s" %
", ".join(model_params.lang2id.keys()))
# update dictionary parameters
for name in [
'n_words', 'bos_index', 'eos_index', 'pad_index', 'unk_index',
'mask_index'
]:
setattr(params, name, getattr(model_params, name))
# build dictionary / build encoder / build decoder / reload weights
dico = Dictionary(reloaded['dico_id2word'], reloaded['dico_word2id'],
reloaded['dico_counts'])
encoder = TransformerModel(model_params,
dico,
is_encoder=True,
with_output=False).cuda().eval()
decoder = TransformerModel(model_params,
dico,
is_encoder=False,
with_output=True).cuda().eval()
if all([k.startswith('module.') for k in reloaded['encoder'].keys()]):
reloaded['encoder'] = {
k[len('module.'):]: v
for k, v in reloaded['encoder'].items()
}
encoder.load_state_dict(reloaded['encoder'])
if all([k.startswith('module.') for k in reloaded['decoder'].keys()]):
reloaded['decoder'] = {
k[len('module.'):]: v
for k, v in reloaded['decoder'].items()
}
decoder.load_state_dict(reloaded['decoder'])
if params.amp != 0:
models = apex.amp.initialize([encoder, decoder],
opt_level=('O%i' % params.amp))
encoder, decoder = models
params.src_id = model_params.lang2id[params.src_lang]
params.tgt_id = model_params.lang2id[params.tgt_lang]
# read sentences from stdin
src_sent = []
for line in sys.stdin.readlines():
assert len(line.strip().split()) > 0
src_sent.append(line)
logger.info("Read %i sentences from stdin. Translating ..." %
len(src_sent))
# f = io.open(params.output_path, 'w', encoding='utf-8')
hypothesis = [[] for _ in range(params.beam_size)]
for i in range(0, len(src_sent), params.batch_size):
# prepare batch
word_ids = [
torch.LongTensor([dico.index(w) for w in s.strip().split()])
for s in src_sent[i:i + params.batch_size]
]
lengths = torch.LongTensor([len(s) + 2 for s in word_ids])
batch = torch.LongTensor(lengths.max().item(),
lengths.size(0)).fill_(params.pad_index)
batch[0] = params.eos_index
for j, s in enumerate(word_ids):
if lengths[j] > 2: # if sentence not empty
batch[1:lengths[j] - 1, j].copy_(s)
batch[lengths[j] - 1, j] = params.eos_index
langs = batch.clone().fill_(params.src_id)
# encode source batch and translate it
encoded = encoder('fwd',
x=batch.cuda(),
lengths=lengths.cuda(),
langs=langs.cuda(),
causal=False)
encoded = encoded.transpose(0, 1)
max_len = int(1.5 * lengths.max().item() + 10)
if params.beam_size == 1:
decoded, dec_lengths = decoder.generate(
encoded,
lengths.cuda(),
params.tgt_id,
max_len=max_len,
sample_temperature=(None if params.sample_temperature == 0 else
params.sample_temperature))
else:
decoded, dec_lengths, all_hyp_strs = decoder.generate_beam(
encoded,
lengths.cuda(),
params.tgt_id,
beam_size=params.beam_size,
length_penalty=params.length_penalty,
early_stopping=params.early_stopping,
max_len=max_len,
output_all_hyps=True)
# hypothesis.extend(convert_to_text(decoded, dec_lengths, dico, params))
# convert sentences to words
for j in range(decoded.size(1)):
# remove delimiters
sent = decoded[:, j]
delimiters = (sent == params.eos_index).nonzero().view(-1)
assert len(delimiters) >= 1 and delimiters[0].item() == 0
sent = sent[1:] if len(delimiters) == 1 else sent[1:delimiters[1]]
# output translation
source = src_sent[i + j].strip().replace('<unk>', '<<unk>>')
target = " ".join([dico[sent[k].item()] for k in range(len(sent))
]).replace('<unk>', '<<unk>>')
if params.beam_size == 1:
hypothesis[0].append(target)
else:
for hyp_rank in range(params.beam_size):
print(
all_hyp_strs[j]
[hyp_rank if hyp_rank < len(all_hyp_strs[j]) else -1])
hypothesis[hyp_rank].append(
all_hyp_strs[j]
[hyp_rank if hyp_rank < len(all_hyp_strs[j]) else -1])
sys.stderr.write("%i / %i: %s -> %s\n" %
(i + j, len(src_sent), source.replace(
'@@ ', ''), target.replace('@@ ', '')))
# f.write(target + "\n")
# f.close()
# export sentences to reference and hypothesis files / restore BPE segmentation
save_dir, split = params.output_path.rsplit('/', 1)
for hyp_rank in range(len(hypothesis)):
hyp_name = f'hyp.st={params.sample_temperature}.bs={params.beam_size}.lp={params.length_penalty}.es={params.early_stopping}.seed={params.seed if (len(hypothesis) == 1) else str(hyp_rank)}.{params.src_lang}-{params.tgt_lang}.{split}.txt'
hyp_path = os.path.join(save_dir, hyp_name)
with open(hyp_path, 'w', encoding='utf-8') as f:
f.write('\n'.join(hypothesis[hyp_rank]) + '\n')
restore_segmentation(hyp_path)
# evaluate BLEU score
if params.ref_path:
bleu = eval_moses_bleu(params.ref_path, hyp_path)
logger.info("BLEU %s %s : %f" % (hyp_path, params.ref_path, bleu))
def main(params):
# setup random seeds
set_seed(params.seed)
params.ar = True
exp_path = os.path.join(params.dump_path, params.exp_name)
# create exp path if it doesn't exist
if not os.path.exists(exp_path):
os.makedirs(exp_path)
# create logger
logger = create_logger(os.path.join(exp_path, 'train.log'), 0)
logger.info("============ Initialized logger ============")
logger.info("Random seed is {}".format(params.seed))
logger.info("\n".join("%s: %s" % (k, str(v))
for k, v in sorted(dict(vars(params)).items())))
logger.info("The experiment will be stored in %s\n" % exp_path)
logger.info("Running command: %s" % 'python ' + ' '.join(sys.argv))
logger.info("")
# load data
data, loader = load_smiles_data(params)
if params.data_type == 'ChEMBL':
all_smiles_mols = open(os.path.join(params.data_path, 'guacamol_v1_all.smiles'), 'r').readlines()
else:
all_smiles_mols = open(os.path.join(params.data_path, 'QM9_all.smiles'), 'r').readlines()
train_data, val_data = data['train'], data['valid']
dico = data['dico']
logger.info ('train_data len is {}'.format(len(train_data)))
logger.info ('val_data len is {}'.format(len(val_data)))
# keep cycling through train_loader forever
# stop when max iters is reached
def rcycle(iterable):
saved = [] # In-memory cache
for element in iterable:
yield element
saved.append(element)
while saved:
random.shuffle(saved) # Shuffle every batch
for element in saved:
yield element
train_loader = rcycle(train_data.get_iterator(shuffle=True, group_by_size=True, n_sentences=-1))
# extra param names for transformermodel
params.n_langs = 1
# build Transformer model
model = TransformerModel(params, is_encoder=False, with_output=True)
if params.local_cpu is False:
model = model.cuda()
opt = get_optimizer(model.parameters(), params.optimizer)
scores = {'ppl': np.float('inf'), 'acc': 0}
if params.load_path:
reloaded_iter, scores = load_model(params, model, opt, logger)
for total_iter, train_batch in enumerate(train_loader):
if params.load_path is not None:
total_iter += reloaded_iter + 1
epoch = total_iter // params.epoch_size
if total_iter == params.max_steps:
logger.info("============ Done training ... ============")
break
elif total_iter % params.epoch_size == 0:
logger.info("============ Starting epoch %i ... ============" % epoch)
model.train()
opt.zero_grad()
train_loss = calculate_loss(model, train_batch, params)
train_loss.backward()
if params.clip_grad_norm > 0:
clip_grad_norm_(model.parameters(), params.clip_grad_norm)
opt.step()
if total_iter % params.print_after == 0:
logger.info("Step {} ; Loss = {}".format(total_iter, train_loss))
if total_iter > 0 and total_iter % params.epoch_size == (params.epoch_size - 1):
# run eval step (calculate validation loss)
model.eval()
n_chars = 0
xe_loss = 0
n_valid = 0
logger.info("============ Evaluating ... ============")
val_loader = val_data.get_iterator(shuffle=True)
for val_iter, val_batch in enumerate(val_loader):
with torch.no_grad():
val_scores, val_loss, val_y = calculate_loss(model, val_batch, params, get_scores=True)
# update stats
n_chars += val_y.size(0)
xe_loss += val_loss.item() * len(val_y)
n_valid += (val_scores.max(1)[1] == val_y).sum().item()
ppl = np.exp(xe_loss / n_chars)
acc = 100. * n_valid / n_chars
logger.info("Acc={}, PPL={}".format(acc, ppl))
if acc > scores['acc']:
scores['acc'] = acc
scores['ppl'] = ppl
save_model(params, data, model, opt, dico, logger, 'best_model', epoch, total_iter, scores)
logger.info('Saving new best_model {}'.format(epoch))
logger.info("Best Acc={}, PPL={}".format(scores['acc'], scores['ppl']))
logger.info("============ Generating ... ============")
number_samples = 100
gen_smiles = generate_smiles(params, model, dico, number_samples)
generator = ARMockGenerator(gen_smiles)
try:
benchmark = ValidityBenchmark(number_samples=number_samples)
validity_score = benchmark.assess_model(generator).score
except:
validity_score = -1
try:
benchmark = UniquenessBenchmark(number_samples=number_samples)
uniqueness_score = benchmark.assess_model(generator).score
except:
uniqueness_score = -1
try:
benchmark = KLDivBenchmark(number_samples=number_samples, training_set=all_smiles_mols)
kldiv_score = benchmark.assess_model(generator).score
except:
kldiv_score = -1
logger.info('Validity Score={}, Uniqueness Score={}, KlDiv Score={}'.format(validity_score, uniqueness_score, kldiv_score))
save_model(params, data, model, opt, dico, logger, 'model', epoch, total_iter, {'ppl': ppl, 'acc': acc})
