def load_transformer_model(model_dir):
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
config = RobertaConfig.from_json_file('{}/config.json'.format(model_dir))
model = RobertaForSequenceClassification.from_pretrained(model_dir,
config=config)
model = model.to(device)
return model
def __init__(
self,
pretrained_model_name=None,
config_filename=None,
vocab_size=None,
hidden_size=768,
num_hidden_layers=12,
num_attention_heads=12,
intermediate_size=3072,
hidden_act="gelu",
max_position_embeddings=512,
):
super().__init__()
# Check that only one of pretrained_model_name, config_filename, and
# vocab_size was passed in
total = 0
if pretrained_model_name is not None:
total += 1
if config_filename is not None:
total += 1
if vocab_size is not None:
total += 1
if total != 1:
raise ValueError(
"Only one of pretrained_model_name, vocab_size, "
+ "or config_filename should be passed into the "
+ "ROBERTA constructor."
)
# TK: The following code checks the same once again.
if vocab_size is not None:
config = RobertaConfig(
vocab_size_or_config_json_file=vocab_size,
vocab_size=vocab_size,
hidden_size=hidden_size,
num_hidden_layers=num_hidden_layers,
num_attention_heads=num_attention_heads,
intermediate_size=intermediate_size,
hidden_act=hidden_act,
max_position_embeddings=max_position_embeddings,
)
model = RobertaModel(config)
elif pretrained_model_name is not None:
model = RobertaModel.from_pretrained(pretrained_model_name)
elif config_filename is not None:
config = RobertaConfig.from_json_file(config_filename)
model = RobertaModel(config)
else:
raise ValueError(
"Either pretrained_model_name or vocab_size must" + " be passed into the ROBERTA constructor"
)
model.to(self._device)
self.add_module("roberta", model)
self.config = model.config
self._hidden_size = model.config.hidden_size
def model_fn(model_dir):
model_path = '{}/{}'.format(model_dir, MODEL_NAME)
model_config_path = '{}/{}'.format(model_dir, 'config.json')
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
config = RobertaConfig.from_json_file(model_config_path)
model = RobertaForSequenceClassification.from_pretrained(model_path,
config=config)
model.to(device)
return model
def __init__(self,
atokenizer: AtomTokenizer,
tokenizer: Tokenizer,
dec_dim: int = 64,
device: str = 'cpu',
load_pretrained: bool = False):
super(Parser, self).__init__()
self.enc_dim = 768
self.dec_dim = dec_dim
self.num_embeddings = len(atokenizer)
self.device = device
self.atom_tokenizer = atokenizer
self.type_parser = TypeParser()
self.tokenizer = tokenizer
self.dropout = Dropout(0.1)
self.enc_heads = 8
self.dec_heads = 8
self.d_atn_dec = self.dec_dim // self.dec_heads
if load_pretrained:
self.word_encoder = RobertaModel.from_pretrained(
"pdelobelle/robbert-v2-dutch-base").to(device)
else:
json_path = path.join(
path.join(path.dirname(path.dirname(__file__)), 'data'),
'config.json')
self.word_encoder = RobertaModel(
RobertaConfig.from_json_file(json_path)).to(device)
self.supertagger = make_decoder(num_layers=6,
num_heads_enc=self.enc_heads,
num_heads_dec=self.dec_heads,
d_encoder=self.enc_dim,
d_decoder=self.dec_dim,
d_atn_enc=self.enc_dim //
self.enc_heads,
d_atn_dec=self.d_atn_dec,
d_v_enc=self.enc_dim // self.enc_heads,
d_v_dec=self.dec_dim // self.dec_heads,
d_interm=self.dec_dim * 2,
dropout_rate=0.1).to(device)
self.atom_embedder = ComplexEmbedding(self.num_embeddings,
self.dec_dim // 2).to(device)
self.linker = make_encoder(num_layers=3,
num_heads=self.enc_heads,
d_intermediate=self.dec_dim * 4,
dropout=0.15,
d_model=self.dec_dim * 2,
d_k=(self.dec_dim * 2) // self.dec_heads,
d_v=(self.dec_dim * 2) //
self.dec_heads).to(device)
self.pos_transformation = Sequential(
FFN(self.dec_dim * 2, self.dec_dim, 0.1, self.dec_dim // 2),
LayerNorm(self.dec_dim // 2, eps=1e-12)).to(device)
self.neg_transformation = Sequential(
FFN(self.dec_dim * 2, self.dec_dim, 0.1, self.dec_dim // 2),
LayerNorm(self.dec_dim // 2, eps=1e-12)).to(device)
def __init__(self,
classifier_config_dir,
device,
task_type,
n_clf_layers=6,
use_dm=True,
use_pm=True,
use_rt=True,
use_bio=False,
use_name=False,
use_network=False,
use_count=False):
super(ConcatenatedClassifier, self).__init__()
# load text model
self.device = device
self.task_type = task_type
self.use_text = use_dm | use_pm | use_rt
self.use_bio = use_bio
self.use_name = use_name
self.use_etc = use_network | use_count
self.text_model = RobertaModel.from_pretrained(
"vinai/bertweet-base",
output_attentions=False,
output_hidden_states=False)
if self.use_name:
self.charEmbedding = nn.Embedding(
num_embeddings=302, embedding_dim=300,
padding_idx=301) # 302: 300-top frequent + pad + unk
self.conv3 = nn.Conv1d(in_channels=300,
out_channels=256,
kernel_size=3,
padding=1)
self.conv4 = nn.Conv1d(in_channels=300,
out_channels=256,
kernel_size=4,
padding=1)
self.conv5 = nn.Conv1d(in_channels=300,
out_channels=256,
kernel_size=5,
padding=1)
# load classifier for combining these features
config = RobertaConfig()
config = config.from_json_file(classifier_config_dir)
config.num_hidden_layers = n_clf_layers
config.num_attention_heads = n_clf_layers
config.max_position_embeddings = 7
if self.use_bio:
config.max_position_embeddings += 2
if self.use_name:
config.max_position_embeddings += 4
self.concat_model = RobertaModel(config)
self.classifier = ClassifierLayer(use_count=use_count,
use_network=use_network)
return
def __init__(self, bert_config, my_config):
super(NqModel, self).__init__()
#albert_base_configuration = AlbertConfig(vocab_size=30000,hidden_size=768,num_attention_heads=12,intermediate_size=3072,
# attention_probs_dropout_prob=0)
self.my_mask = None
roberta_config = RobertaConfig.from_json_file("./configs/roberta-mnli.config")
roberta_config.hidden_dropout_prob = 0.15
roberta_config.attention_probs_dropout_prob = 0.15
roberta_config.layer_norm_eps = 5e-6
print(roberta_config)
self.bert = RobertaModel.from_pretrained("roberta-large-mnli",config=roberta_config)
my_config = bert_config = self.bert.config
#self.bert = RobertaModel.from_pretrained("roberta-base")
self.right = 0
self.all = 0
#self.bert = AlbertModel(albert_base_configuration)
#self.bert2 = BertModel(bert_config)
#self.bert = BertModel(BertConfig())
#self.bert = RobertaModel(RobertaConfig(max_position_embeddings=514,vocab_size=50265))
#print(my_config,bert_config)
self.tok_dense = nn.Linear(my_config.hidden_size, my_config.hidden_size)
# self.para_dense = nn.Linear(self.config.hidden_size, self.config.hidden_size)
# self.doc_dense = nn.Linear(self.config.hidden_size, self.config.hidden_size)
self.dropout = nn.Dropout(my_config.hidden_dropout_prob)
self.tok_outputs = nn.Linear(my_config.hidden_size, 1) # tune to avoid fell into bad places
# self.para_outputs = nn.Linear(self.config.hidden_size, 1)
# self.answer_type_outputs = nn.Linear(self.config.hidden_size, 2)
# self.tok_to_label = nn.Linear(my_config.max_token_len,2)
# self.par_to_label = nn.Linear(my_config.max_paragraph_len,2)
#self.encoder = Encoder(my_config)
# self.encoder = Encoder(my_config)
# self.encoder2 = Encoder(my_config)
self.my_config = my_config
# self.my_mask =
self.ACC = 0
self.ALL = 0
def modify_transformer_config(
model,
batch_size=8,
attention_probs_dropout_prob=0.4,
learning_rate=5e-7,
adam_epsilon=1e-8,
hidden_dropout_prob=0.3,
lm_model_dir=None,
):
if model == "bert":
config = BertConfig.from_json_file(f"{lm_model_dir}/config.json")
elif model == "distilbert":
config = DistilBertConfig.from_json_file(f"{lm_model_dir}/config.json")
elif model == "roberta":
config = RobertaConfig.from_json_file(f"{lm_model_dir}/config.json")
config.attention_probs_dropout_prob = attention_probs_dropout_prob
config.do_sample = True
config.num_beams = 500
config.hidden_dropout_prob = hidden_dropout_prob
config.repetition_penalty = 5
config.num_labels = 3
return config
torch.manual_seed(args.seed)
params.seed = args.seed
# Set the logger
utils.set_logger()
# Create the input data pipeline
logging.info("Loading the dataset...")
dataloader = NERDataLoader(params)
val_loader, test_loader = dataloader.load_data(mode='test')
logging.info("- done.")
# Define the model
logging.info('Loading the model...')
config_path = os.path.join(params.params_path, 'bert_config.json')
config = RobertaConfig.from_json_file(config_path)
model = ElectraForTokenClassification(config, params=params)
model.to(params.device)
# Reload weights from the saved file
utils.load_checkpoint(
os.path.join(params.model_dir, args.restore_file + '.pth.tar'), model)
logging.info('- done.')
logging.info("Starting prediction...")
if mode == 'test':
predict(model, test_loader, params, mode=mode)
elif mode == 'val':
predict(model, val_loader, params, mode=mode)
logging.info('- done.')
if __name__ == '__main__':
batch_size = 32
device = torch.device('cuda:1' if torch.cuda.is_available() else 'cpu')
kwargs = {
'num_workers': 4,
'pin_memory': True
} if torch.cuda.is_available() else {}
# tokenizer = BertTokenizer.from_pretrained('bert-base-uncased')
# config = BertConfig.from_json_file(
# '../pre_weights/bert-base-uncased_config.json')
# model = BertForMultipleChoice(config)
os.chdir('/mnt/ssd/qianqian/semeval2020')
tokenizer = RobertaTokenizer.from_pretrained('roberta-base')
config = RobertaConfig.from_json_file(
'./pre_weights/roberta-base_config.json')
model = RobertaForMultipleChoice(config)
model.load_state_dict(torch.load('./checkpoints/checkpoint_2019.12.08-09.50.24_pair_91.805.pth'))
model = model.to(device)
questions = pd.read_csv(
'./SemEval2020-Task4-Commonsense-Validation-and-Explanation-master/Training Data/subtaskB_data_all.csv')
answers = pd.read_csv(
'./SemEval2020-Task4-Commonsense-Validation-and-Explanation-master/Training Data/subtaskB_answers_all.csv',
header=None, names=['id', 'ans'])
data = pd.merge(questions, answers, how='left', on='id')
questions = pd.read_csv(
'./SemEval2020-Task4-Commonsense-Validation-and-Explanation-master/Trial Data/taskB_trial_data.csv')
answers = pd.read_csv(
'./SemEval2020-Task4-Commonsense-Validation-and-Explanation-master/Trial Data/taskB_trial_answer.csv',
header=None, names=['id', 'ans'])
def load_encode_module():
pass
train_df_1 = pd.read_csv(train_file_1, header=None, sep='\t', index_col=0)
train_df_1.columns = ['text', 'label']
label_map = dict(
zip(train_df_1['label'].value_counts().index,
range(len(train_df_1['label'].value_counts()))))
train_df_1['label'] = train_df_1[['label']].applymap(lambda x: label_map[x])
train_df_1, test_df = train_test_split(train_df_1, test_size=0.2)
model_name = "D:/model_file/hfl_chinese-roberta-wwm-ext"
rob_config = RobertaConfig.from_json_file(
"D:/model_file/hfl_chinese-roberta-wwm-ext/config.json")
rob_config.num_labels = len(label_map)
tokenizer = BertTokenizer.from_pretrained(model_name)
train_sentences_1 = train_df_1.text.values
train_labels_1 = train_df_1.label.values
test_sentences_1 = test_df.text.values
test_labels_1 = test_df.label.values
train_input_ids, test_input_ids = [], []
train_attention_masks, test_attention_masks = [], []
for sent in train_sentences_1:
encoded_dict = tokenizer.encode_plus(
text=sent, # Sentence to encode.
"""
模型加载方法
"""
import torch
from transformers import RobertaConfig, RobertaModel, BertTokenizer
config = RobertaConfig.from_json_file("data/checkpoint-100/config.json")
# 切记这里使用RobertaConfig而非BertConfig，因为参数命名前缀不一致会导致参数加载失败
tokenizer = BertTokenizer.from_pretrained(
"bert-base-chinese") # bert和roberta分词器一样，无所谓
roberta = RobertaModel.from_pretrained("data/checkpoint-100/pytorch_model.bin",
config=config) # 加载了参数的roberta
# 这里使用RobertaModel而非BertModel
"""
PS,
raw_roberta = RobertaModel(config) # 这里会随机初始化参数
# raw_roberta.load_state_dict(new_state_dic) # 由于参数命名不一致，会报错
"""