class MyModel(torch.nn.Module):
def _forward_unimplemented(self, *input: Any) -> None:
pass
def __init__(self, pre_train_dir: str):
super().__init__()
self.roberta_encoder = BertModel(config=BertConfig.from_json_file(pre_train_dir+ "config.json"))
self.decoder_layer = XLDecoder(
dim=args["dimension"], embedding_matrix=self.roberta_encoder.get_input_embeddings(),
seq_len=args["max_dec_len"])
def forward(self, input_ids, input_mask, input_seg, decode_input=None, decode_target=None):
encoder_rep = self.roberta_encoder(input_ids, input_mask, input_seg)[0]
return self.decoder_layer(input_ids, encoder_rep, input_mask, decode_input, decode_target,
args["use_beam_search"],
args["beam_width"])
class QuestionGeneration(torch.nn.Module):
def _forward_unimplemented(self, *input: Any) -> None:
pass
def __init__(self, pre_train_dir: str):
super().__init__()
if os.path.isdir(pre_train_dir):
self.roberta_encoder = BertModel(
config=BertConfig.from_json_file(os.path.join(pre_train_dir, "config.json")))
else:
self.roberta_encoder = BertModel(
config=BertConfig.from_pretrained(pre_train_dir))
self.decoder_layer = XLDecoder(dim=args["dimension"],
embedding_matrix=self.roberta_encoder.get_input_embeddings(),
seq_len=args["max_dec_len"])
def forward(self, input_ids, input_mask, input_seg, decode_input=None, decode_target=None):
encoder_rep = self.roberta_encoder(input_ids, input_mask, input_seg)[0]
# print("encoder shape: {}, encoder vector: {}".format(encoder_rep.shape, encoder_rep))
return self.decoder_layer(input_ids, encoder_rep, input_mask, decode_input, decode_target,
args["use_beam_search"],
args["beam_width"])
@classmethod
def from_pretrained(cls, pretrained_model_path=None):
""" load model
:param pretrained_model_path: 模型文件绝对路径
:return:
"""
model = cls(pre_train_dir=args["pre_train_dir"])
if pretrained_model_path:
model_path = pretrained_model_path
elif args["save_path"]:
model_path = args["save_path"]
else:
raise Exception("Please input model file.")
model.load_state_dict(torch.load(model_path, map_location=device), strict=False)
return model
class MyModel(torch.nn.Module):
def _forward_unimplemented(self, *input: Any) -> None:
pass
def __init__(self, pre_train_dir: str):
super().__init__()
if os.path.isdir(pre_train_dir):
self.roberta_encoder = BertModel(
config=BertConfig.from_json_file(os.path.join(pre_train_dir, "config.json")))
else:
self.roberta_encoder = BertModel(
config=BertConfig.from_pretrained(pre_train_dir))
self.decoder_layer = XLDecoder(
dim=args["dimension"], embedding_matrix=self.roberta_encoder.get_input_embeddings(),
seq_len=args["max_dec_len"])
def forward(self, input_ids, input_mask, input_seg, decode_input=None, decode_target=None):
# input_seg: token_type_id
encoder_rep = self.roberta_encoder(input_ids, input_mask, input_seg)[0]
# print("encoder shape: {}, encoder vector: {}".format(encoder_rep.shape, encoder_rep))
return self.decoder_layer(input_ids, encoder_rep, input_mask, decode_input, decode_target,
args["use_beam_search"],
args["beam_width"])