update t5 package

app.py

@@ -1,14 +1,13 @@
 import gradio as gr
+from t5.t5_model import T5Model
 from transformers import AutoTokenizer, T5ForConditionalGeneration
-tokenizer = AutoTokenizer.from_pretrained("CodeTed/traditional_CSC_t5")
-model = T5ForConditionalGeneration.from_pretrained("CodeTed/traditional_CSC_t5")
-
+#tokenizer = AutoTokenizer.from_pretrained("CodeTed/traditional_CSC_t5")
+#model = T5ForConditionalGeneration.from_pretrained("CodeTed/traditional_CSC_t5")
+model = T5Model('t5', "CodeTed/traditional_CSC_t5", args={"eval_batch_size": 1}, cuda_device=-1, evaluate=True)
 
 def cged_correction(sentence = '為了降低少子化，政府可以堆動獎勵生育的政策。'):
-    input_ids = tokenizer('糾正句子裡的錯字：' + sentence, return_tensors="pt").input_ids
-    outputs = model.generate(input_ids, max_length=200)
-    edited_text = tokenizer.decode(outputs[0], skip_special_tokens=True)
-    return edited_text
+    outputs = model.predict(["糾正句子中的錯字：" + sentence + "_輸出句："])
+    return outputs[0]
 
 with gr.Blocks() as demo:
     gr.Markdown(

t5/__init__.py

@@ -0,0 +1,9 @@
+# -*- coding: utf-8 -*-
+"""
+@author:XuMing([email protected])
+@description:
+"""
+from textgen.config.model_args import T5Args, CopyT5Args
+from textgen.t5.t5_model import T5Model
+from textgen.t5.copyt5_model import CopyT5Model
+from textgen.t5.copyt5_utils import ZHTokenizer

t5/config/__init__.py

@@ -0,0 +1,5 @@
+# -*- coding: utf-8 -*-
+"""
+@author:XuMing([email protected])
+@description: refer https://github.com/ThilinaRajapakse/simpletransformers
+"""

t5/config/global_args.py

@@ -0,0 +1,62 @@
+# -*- coding: utf-8 -*-
+"""
+@author:XuMing([email protected])
+@description: refer https://github.com/ThilinaRajapakse/simpletransformers
+"""
+import sys
+from multiprocessing import cpu_count
+
+global_args = {
+    "adam_epsilon": 1e-8,
+    "best_model_dir": "outputs/best_model",
+    "cache_dir": "cache_dir/",
+    "config": {},
+    "do_lower_case": False,
+    "early_stopping_consider_epochs": False,
+    "early_stopping_delta": 0,
+    "early_stopping_metric": "eval_loss",
+    "early_stopping_metric_minimize": True,
+    "early_stopping_patience": 3,
+    "encoding": None,
+    "eval_batch_size": 8,
+    "evaluate_during_training": False,
+    "evaluate_during_training_silent": True,
+    "evaluate_during_training_steps": 2000,
+    "evaluate_during_training_verbose": False,
+    "fp16": True,
+    "gradient_accumulation_steps": 1,
+    "learning_rate": 4e-5,
+    "local_rank": -1,
+    "logging_steps": 50,
+    "manual_seed": None,
+    "max_grad_norm": 1.0,
+    "max_seq_length": 128,
+    "multiprocessing_chunksize": 500,
+    "n_gpu": 1,
+    "no_cache": False,
+    "no_save": False,
+    "num_train_epochs": 1,
+    "output_dir": "outputs/",
+    "overwrite_output_dir": False,
+    "process_count": cpu_count() - 2 if cpu_count() > 2 else 1,
+    "reprocess_input_data": True,
+    "save_best_model": True,
+    "save_eval_checkpoints": True,
+    "save_model_every_epoch": True,
+    "save_steps": 2000,
+    "save_optimizer_and_scheduler": True,
+    "silent": False,
+    "tensorboard_dir": None,
+    "train_batch_size": 8,
+    "use_cached_eval_features": False,
+    "use_early_stopping": False,
+    "use_multiprocessing": False,
+    "wandb_kwargs": {},
+    "wandb_project": None,
+    "warmup_ratio": 0.06,
+    "warmup_steps": 0,
+    "weight_decay": 0,
+}
+
+if sys.platform == "win32":
+    global_args["process_count"] = min(global_args["process_count"], 61)

t5/config/model_args.py

@@ -0,0 +1,464 @@
+# -*- coding: utf-8 -*-
+"""
+@author:XuMing([email protected])
+@description: refer https://github.com/ThilinaRajapakse/simpletransformers
+"""
+import json
+import os
+import sys
+from dataclasses import asdict, dataclass, field
+from multiprocessing import cpu_count
+from typing import Optional
+
+from loguru import logger
+from torch.utils.data import Dataset
+
+
+def get_default_process_count():
+    process_count = cpu_count() - 2 if cpu_count() > 2 else 1
+    if sys.platform == "win32":
+        process_count = min(process_count, 61)
+
+    return process_count
+
+
+def get_special_tokens():
+    return ["<s>", "<pad>", "</s>", "<unk>", "<mask>"]
+
+
+@dataclass
+class ModelArgs:
+    adafactor_beta1: float = None
+    adafactor_clip_threshold: float = 1.0
+    adafactor_decay_rate: float = -0.8
+    adafactor_eps: tuple = field(default_factory=lambda: (1e-30, 1e-3))
+    adafactor_relative_step: bool = True
+    adafactor_scale_parameter: bool = True
+    adafactor_warmup_init: bool = True
+    adam_epsilon: float = 1e-8
+    best_model_dir: str = "outputs/best_model"
+    cache_dir: str = "cache_dir/"
+    config: dict = field(default_factory=dict)
+    cosine_schedule_num_cycles: float = 0.5
+    custom_layer_parameters: list = field(default_factory=list)
+    custom_parameter_groups: list = field(default_factory=list)
+    dataloader_num_workers: int = 0
+    do_lower_case: bool = False
+    dynamic_quantize: bool = False
+    early_stopping_consider_epochs: bool = False
+    early_stopping_delta: float = 0
+    early_stopping_metric: str = "eval_loss"
+    early_stopping_metric_minimize: bool = True
+    early_stopping_patience: int = 3
+    encoding: str = "utf-8"
+    eval_batch_size: int = 8
+    evaluate_during_training: bool = False
+    evaluate_during_training_silent: bool = True
+    evaluate_during_training_steps: int = 6000
+    evaluate_during_training_verbose: bool = False
+    evaluate_each_epoch: bool = True
+    fp16: bool = False
+    gradient_accumulation_steps: int = 1
+    learning_rate: float = 2e-5
+    local_rank: int = -1
+    logging_steps: int = 50
+    manual_seed: int = None
+    max_grad_norm: float = 1.0
+    max_seq_length: int = 128  # max length of input sequence
+    model_name: str = None
+    model_type: str = None
+    multiprocessing_chunksize: int = -1
+    n_gpu: int = 2
+    no_cache: bool = False
+    no_save: bool = False
+    not_saved_args: list = field(default_factory=list)
+    num_train_epochs: int = 1
+    optimizer: str = "AdamW"
+    output_dir: str = "outputs/"
+    overwrite_output_dir: bool = True
+    polynomial_decay_schedule_lr_end: float = 1e-7
+    polynomial_decay_schedule_power: float = 1.0
+    process_count: int = field(default_factory=get_default_process_count)
+    quantized_model: bool = False
+    reprocess_input_data: bool = False
+    save_best_model: bool = True
+    save_eval_checkpoints: bool = True
+    save_model_every_epoch: bool = False
+    save_optimizer_and_scheduler: bool = True
+    save_steps: int = 10000
+    scheduler: str = "linear_schedule_with_warmup"
+    silent: bool = False
+    skip_special_tokens: bool = True
+    tensorboard_dir: str = None
+    thread_count: int = None
+    tokenizer_name: str = None
+    tokenizer_type: str = None
+    train_batch_size: int = 8
+    train_custom_parameters_only: bool = False
+    use_cached_eval_features: bool = False
+    use_early_stopping: bool = False
+    use_hf_datasets: bool = False
+    use_multiprocessing: bool = True
+    use_multiprocessing_for_evaluation: bool = True
+    wandb_kwargs: dict = field(default_factory=dict)
+    wandb_project: str = None
+    warmup_ratio: float = 0.06
+    warmup_steps: int = 0
+    weight_decay: float = 0.0
+
+    def update_from_dict(self, new_values):
+        if isinstance(new_values, dict):
+            for key, value in new_values.items():
+                setattr(self, key, value)
+        else:
+            raise (TypeError(f"{new_values} is not a Python dict."))
+
+    def get_args_for_saving(self):
+        args_for_saving = {key: value for key, value in asdict(self).items() if key not in self.not_saved_args}
+        return args_for_saving
+
+    def save(self, output_dir):
+        os.makedirs(output_dir, exist_ok=True)
+        with open(os.path.join(output_dir, "model_args.json"), "w", encoding='utf-8') as f:
+            args_dict = self.get_args_for_saving()
+            if args_dict['dataset_class'] is not None and not isinstance(args_dict["dataset_class"], str):
+                args_dict['dataset_class'] = type(args_dict['dataset_class']).__name__
+            if args_dict["tokenizer_type"] is not None and not isinstance(args_dict["tokenizer_type"], str):
+                args_dict["tokenizer_type"] = type(args_dict["tokenizer_type"]).__name__
+            json.dump(args_dict, f)
+
+    def load(self, input_dir):
+        if input_dir:
+            model_args_file = os.path.join(input_dir, "model_args.json")
+            if os.path.isfile(model_args_file):
+                with open(model_args_file, "r", encoding='utf-8') as f:
+                    model_args = json.load(f)
+                if model_args["dataset_class"]:
+                    logger.warning(
+                        "This model was trained using a custom dataset_class."
+                        "This cannot be loaded automatically and must be specified in the model args"
+                        "when loading the model."
+                    )
+                self.update_from_dict(model_args)
+
+
+@dataclass
+class T5Args(ModelArgs):
+    """
+    Model args for a T5Model
+    """
+
+    model_class: str = "T5Model"
+    dataset_class: Dataset = None
+    do_sample: bool = False
+    early_stopping: bool = True
+    evaluate_generated_text: bool = False
+    length_penalty: float = 2.0
+    max_length: int = 180  # max length of the sequence to be generated
+    max_steps: int = -1
+    num_beams: int = 1
+    num_return_sequences: int = 1
+    preprocess_inputs: bool = True
+    repetition_penalty: float = 1.0
+    scheduler: str = "constant_schedule_with_warmup"
+    adafactor_relative_step: bool = False
+    adafactor_scale_parameter: bool = False
+    adafactor_warmup_init: bool = False
+    learning_rate: float = 5e-4
+    optimizer: str = "AdamW"
+    special_tokens_list: list = field(default_factory=list)
+    top_k: float = None
+    top_p: float = None
+    use_multiprocessed_decoding: bool = False
+
+
+@dataclass
+class CopyT5Args(ModelArgs):
+    """
+    Model args for a CopyT5Model
+    """
+
+    model_class: str = "CopyT5Model"
+    dataset_class: Dataset = None
+    do_sample: bool = False
+    early_stopping: bool = True
+    evaluate_generated_text: bool = False
+    length_penalty: float = 2.0
+    max_length: int = 128  # max length of the sequence to be generated
+    max_steps: int = -1
+    num_beams: int = 3
+    num_return_sequences: int = 1
+    preprocess_inputs: bool = True
+    repetition_penalty: float = 1.0
+    scheduler: str = "linear_schedule_with_warmup"
+    adafactor_relative_step: bool = False
+    adafactor_scale_parameter: bool = False
+    adafactor_warmup_init: bool = False
+    learning_rate: float = 1e-3
+    optimizer: str = "AdamW"
+    special_tokens_list: list = field(default_factory=list)
+    top_k: float = None
+    top_p: float = None
+    use_multiprocessed_decoding: bool = False
+
+
+@dataclass
+class LanguageModelingArgs(ModelArgs):
+    """
+    Model args for a LanguageModelingModel
+    """
+
+    model_class: str = "LanguageModelingModel"
+    block_size: int = -1
+    config_name: str = None
+    dataset_class: Dataset = None
+    dataset_type: str = "None"
+    discriminator_config: dict = field(default_factory=dict)
+    discriminator_loss_weight: float = 50.0
+    generator_config: dict = field(default_factory=dict)
+    max_steps: int = -1
+    min_frequency: int = 2
+    mlm: bool = True
+    mlm_probability: float = 0.15
+    sliding_window: bool = False
+    special_tokens: list = field(default_factory=get_special_tokens)
+    stride: float = 0.8
+    tie_generator_and_discriminator_embeddings: bool = True
+    tokenizer_name: str = None
+    vocab_size: int = None
+    clean_text: bool = True
+    handle_chinese_chars: bool = True
+    special_tokens_list: list = field(default_factory=list)
+    strip_accents: bool = True
+    local_rank: int = -1
+
+
+@dataclass
+class Seq2SeqArgs(ModelArgs):
+    """
+    Model args for a Seq2SeqModel
+    """
+
+    model_class: str = "Seq2SeqModel"
+    base_marian_model_name: str = None
+    dataset_class: Dataset = None
+    do_sample: bool = False
+    early_stopping: bool = True
+    evaluate_generated_text: bool = False
+    faiss_d: int = 768
+    faiss_m: int = 128
+    length_penalty: float = 2.0
+    max_length: int = 128  # max length of the sequence to be generated
+    max_steps: int = -1
+    num_beams: int = 1
+    num_return_sequences: int = 1
+    rag_embed_batch_size: int = 16
+    repetition_penalty: float = 1.0
+    top_k: float = None
+    top_p: float = None
+    use_multiprocessed_decoding: bool = False
+    save_knowledge_dataset: bool = True
+    save_knowledge_dataset_with_checkpoints: bool = False
+    split_text_character: str = " "
+    split_text_n: int = 100
+    src_lang: str = "en_XX"
+    tgt_lang: str = "ro_RO"
+
+
+@dataclass
+class LanguageGenerationArgs(ModelArgs):
+    """
+    Model args for a LanguageGenerationModel
+    """
+
+    model_class: str = "LanguageGenerationModel"
+    do_sample: bool = True
+    early_stopping: bool = True
+    evaluate_generated_text: bool = False
+    length_penalty: float = 2.0
+    max_length: int = 128  # max length of the sequence to be generated
+    max_steps: int = -1
+    num_beams: int = 1
+    num_return_sequences: int = 1
+    repetition_penalty: float = 1.0
+    top_k: float = 50
+    top_p: float = 0.95
+    prompt: str = ""
+    stop_token: str = None
+    temperature: float = 1.0
+    padding_text: str = ""
+    xlm_language: str = ""
+    config_name: str = None
+    tokenizer_name: str = None
+    special_tokens_list: list = field(default_factory=list)
+
+
+@dataclass
+class SongNetArgs(LanguageModelingArgs):
+    """
+    Model args for a SongNetModel
+    """
+
+    model_class: str = "SongNetModel"
+    dataset_class: Dataset = None
+    do_sample: bool = False
+    early_stopping: bool = True
+    evaluate_generated_text: bool = False
+    length_penalty: float = 2.0
+    max_length: int = 128
+    min_length: int = 10
+    max_steps: int = -1
+    num_beams: int = 3
+    num_return_sequences: int = 1
+    repetition_penalty: float = 1.0
+    scheduler: str = None
+    adafactor_relative_step: bool = False
+    adafactor_scale_parameter: bool = False
+    adafactor_warmup_init: bool = False
+    learning_rate: float = 1e-3
+    early_stopping_metric: str = "eval_ppl"
+    special_tokens_list: list = field(default_factory=list)
+    save_eval_checkpoints: bool = False
+    skip_special_tokens: bool = False
+    k: int = 16
+    use_multiprocessed_decoding: bool = False
+    embed_dim: int = 768
+    ff_embed_dim: int = 3072
+    num_heads: int = 12
+    num_layers: int = 12
+    dropout: float = 0.2
+    warmup_ratio: float = 0.05
+    weight_decay: float = 0.0
+    smoothing_factor: float = 0.1
+
+
+@dataclass
+class ChatGlmArgs(ModelArgs):
+    """
+    Model args for a ChatGLMModel
+    """
+
+    model_class: str = "ChatGlmArgs"
+    dataset_class: Dataset = None
+    learning_rate: float = 2e-5
+    fp16: bool = True
+    bf16: bool = False
+    int8: bool = False
+    int4: bool = False
+    debug: bool = False
+    max_seq_length: int = 256  # max length of input sequence
+    max_length = 384  # max length of the sequence to be generated
+    do_sample: bool = True
+    early_stopping: bool = True
+    is_train_on_prompt: bool = False  # if compute loss with prompt labels
+    evaluate_generated_text: bool = True
+    report_to = "tensorboard"
+    optimizer: str = "adamw_torch"
+    save_strategy: str = "steps"
+    evaluation_strategy: str = "no"
+    eval_steps: int = 50
+    save_steps: int = 400
+    max_eval_samples: int = 20
+    length_penalty: float = 2.0
+    num_beams: int = 4
+    num_return_sequences: int = 1
+    repetition_penalty: float = 1.0
+    temperature: float = 0.1
+    special_tokens_list: list = field(default_factory=list)
+    top_k: float = 40
+    top_p: float = 0.75
+    model_name_or_path: Optional[str] = field(default="THUDM/chatglm-6b")
+    use_peft: bool = True
+    peft_type: str = "LORA"
+    peft_bin_name: str = "adapter_model.bin"
+    lora_r: int = 8
+    lora_alpha = 32
+    lora_dropout = 0.05
+    lora_target_modules = ["all"]  # ["all"] or ["query_key_value"]
+    lora_bias = "none"
+    adalora_init_r: int = 12
+    adalora_tinit: int = 200
+    adalora_tfinal: int = 1000
+    adalora_delta_t: int = 10
+    lora_beta: float = 0.85
+    num_virtual_tokens: int = 20
+    prompt_encoder_hidden_size: int = 128
+    num_train_epochs = 1
+    max_steps = -1
+    per_device_train_batch_size = 2
+    eval_batch_size: int = 4
+    gradient_accumulation_steps = 1
+    gradient_checkpointing: bool = True
+    torch_compile: bool = False
+    save_total_limit = 10
+    remove_unused_columns = False
+    logging_steps = 50
+    resume_from_checkpoint: str = None
+    qlora: bool = False
+
+
+@dataclass
+class GptArgs(ModelArgs):
+    """
+    Model args for a GptModel
+    """
+
+    model_class: str = "GptArgs"
+    dataset_class: Dataset = None
+    learning_rate: float = 2e-5
+    fp16: bool = True
+    bf16: bool = False
+    int8: bool = False
+    int4: bool = False
+    debug: bool = False
+    max_seq_length: int = 256  # max length of input sequence
+    max_length = 256  # max length of the sequence to be generated
+    do_sample: bool = True
+    early_stopping: bool = True
+    evaluate_generated_text: bool = True
+    is_train_on_prompt: bool = False  # if compute loss with prompt labels
+    warmup_steps: int = 50
+    report_to = "tensorboard"
+    optimizer: str = "adamw_torch"
+    save_strategy: str = "steps"
+    eval_steps: int = 200
+    save_steps: int = 400
+    pad_to_multiple_of: int = 8
+    max_eval_samples: int = 20
+    length_penalty: float = 2.0
+    num_beams: int = 1
+    num_return_sequences: int = 1
+    repetition_penalty: float = 1.3
+    temperature: float = 0.4
+    special_tokens_list: list = field(default_factory=list)
+    top_k: float = 40
+    top_p: float = 0.9
+    model_name_or_path: Optional[str] = field(default="shibing624/chinese-alpaca-plus-7b-hf")
+    use_peft: bool = True
+    peft_type: str = "LORA"
+    peft_bin_name: str = "adapter_model.bin"
+    lora_r: int = 8
+    lora_alpha = 16
+    lora_dropout = 0.05
+    lora_target_modules = ["all"]  # ["all"] or ["k_proj"]
+    lora_bias = "none"
+    adalora_init_r: int = 12
+    adalora_tinit: int = 200
+    adalora_tfinal: int = 1000
+    adalora_delta_t: int = 10
+    lora_beta: float = 0.85
+    num_virtual_tokens: int = 20
+    prompt_encoder_hidden_size: int = 128
+    num_train_epochs = 3
+    max_steps = -1
+    per_device_train_batch_size = 2
+    eval_batch_size: int = 4
+    gradient_accumulation_steps = 1
+    save_total_limit = 10
+    remove_unused_columns = False
+    logging_steps = 50
+    resume_from_checkpoint: str = None
+    gradient_checkpointing: bool = True
+    torch_compile: bool = False
+    trust_remote_code: bool = True
+    qlora: bool = False

t5/t5_model.py

@@ -0,0 +1,1256 @@
+# -*- coding: utf-8 -*-
+"""
+@author:XuMing([email protected])
+@description: refer https://github.com/ThilinaRajapakse/simpletransformers
+"""
+
+import math
+import os
+import random
+import warnings
+from dataclasses import asdict
+from multiprocessing import Pool
+
+import numpy as np
+import pandas as pd
+import torch
+from loguru import logger
+from torch.utils.data import DataLoader, RandomSampler, SequentialSampler
+from torch.utils.tensorboard import SummaryWriter
+from tqdm.auto import tqdm, trange
+from transformers import ByT5Tokenizer
+from transformers import MT5Config, MT5ForConditionalGeneration
+from transformers import T5Config, T5ForConditionalGeneration, T5Tokenizer, TextStreamer
+from transformers.optimization import AdamW, Adafactor
+from transformers.optimization import (
+    get_constant_schedule,
+    get_constant_schedule_with_warmup,
+    get_linear_schedule_with_warmup,
+    get_cosine_schedule_with_warmup,
+    get_cosine_with_hard_restarts_schedule_with_warmup,
+    get_polynomial_decay_schedule_with_warmup,
+)
+
+from t5.config.model_args import T5Args
+from t5.t5_utils import T5Dataset, load_hf_dataset
+
+try:
+    import wandb
+
+    wandb_available = True
+except ImportError:
+    wandb_available = False
+
+has_cuda = torch.cuda.is_available()
+os.environ["TOKENIZERS_PARALLELISM"] = "FALSE"
+os.environ["KMP_DUPLICATE_LIB_OK"] = "TRUE"
+
+
+def chunks(lst, n):
+    """Yield successive n-sized chunks from lst."""
+    for i in range(0, len(lst), n):
+        yield lst[i: i + n]
+
+
+MODEL_CLASSES = {
+    "t5": (T5Config, T5ForConditionalGeneration),
+    "mt5": (MT5Config, MT5ForConditionalGeneration),
+    "byt5": (T5Config, T5ForConditionalGeneration),
+}
+
+
+class T5Model:
+    def __init__(
+            self,
+            model_type,
+            model_name,
+            args=None,
+            tokenizer=None,
+            use_cuda=has_cuda,
+            cuda_device=-1,
+            evaluate=False,
+            **kwargs,
+    ):
+
+        """
+        Initializes a T5Model model.
+
+        Args:
+            model_type: The type of model (t5, mt5, byt5)
+            model_name: The exact architecture and trained weights to use. This may be a Hugging Face Transformers compatible pre-trained model, a community model, or the path to a directory containing model files.
+            args (optional): Default args will be used if this parameter is not provided. If provided, it should be a dict containing the args that should be changed in the default args.
+            use_cuda (optional): Use GPU if available. Setting to False will force model to use CPU only.
+            cuda_device (optional): Specific GPU that should be used. Will use the first available GPU by default.
+            **kwargs (optional): For providing proxies, force_download, resume_download, cache_dir and other options specific to the 'from_pretrained' implementation where this will be supplied.
+        """  # noqa: ignore flake8"
+
+        self.args = self._load_model_args(model_name)
+
+        if isinstance(args, dict):
+            self.args.update_from_dict(args)
+        elif isinstance(args, T5Args):
+            self.args = args
+
+        self.is_sweeping = False
+
+        if self.args.manual_seed:
+            random.seed(self.args.manual_seed)
+            np.random.seed(self.args.manual_seed)
+            torch.manual_seed(self.args.manual_seed)
+            if self.args.n_gpu > 0:
+                torch.cuda.manual_seed_all(self.args.manual_seed)
+
+        if use_cuda:
+            if torch.cuda.is_available():
+                if cuda_device == -1:
+                    self.device = torch.device("cuda")
+                else:
+                    self.device = torch.device(f"cuda:{cuda_device}")
+            else:
+                raise ValueError(
+                    "'use_cuda' set to True when cuda is unavailable."
+                    "Make sure CUDA is available or set `use_cuda=False`."
+                )
+        else:
+            if torch.backends.mps.is_available():
+                self.device = torch.device("mps")
+            else:
+                self.device = "cpu"
+        logger.debug(f"Device: {self.device}")
+
+        self.results = {}
+
+        config_class, model_class = MODEL_CLASSES[model_type]
+        
+        if model_name is None:
+            self.config = self.args.config
+            self.model = model_class(config=self.config)
+        else:
+            self.config = config_class.from_pretrained(model_name, **self.args.config)
+            self.model = model_class.from_pretrained(model_name, config=self.config)
+
+        if isinstance(tokenizer, T5Tokenizer):
+            self.tokenizer = tokenizer
+            self.model.resize_token_embeddings(len(self.tokenizer))
+        elif model_type == "byt5":
+            self.tokenizer = ByT5Tokenizer.from_pretrained(model_name, truncate=True)
+        else:
+            self.tokenizer = T5Tokenizer.from_pretrained(model_name, truncate=True)
+        print(len(self.tokenizer))
+        if not evaluate:
+            with open('./data/字音混淆集_s13.txt', 'r', encoding='utf-8') as confusion:
+                n = 0
+                for line in confusion.readlines()+[str(chr(c+65248)) for c in range(33, 127)]:
+                    token = line.split('　')[0]
+                    n+=1
+                    self.tokenizer.add_tokens([token])
+            with open('./data/字音混淆集.txt', 'r', encoding='utf-8') as confusion:
+                for line in confusion.readlines():
+                    token = line.split('　')[0]
+                    n+=1
+                    self.tokenizer.add_tokens([token])
+            with open('./data/wordtest4.txt', 'r', encoding='utf-8') as confusion:
+                for line in confusion.readlines():
+                    token = line.split(',')[0]
+                    n+=1
+                    self.tokenizer.add_tokens([token])
+            
+            with open('./data/vocab.txt', 'r', encoding='utf-8') as confusion:
+                for line in confusion.readlines():
+                    n+=1
+                    self.tokenizer.add_tokens([line.replace('\n', '')])
+            
+            print(n)
+        self.streamer = TextStreamer(self.tokenizer)
+        print(len(self.tokenizer))
+        self.model.resize_token_embeddings(len(self.tokenizer)) 
+
+        if self.args.dynamic_quantize:
+            self.model = torch.quantization.quantize_dynamic(
+                self.model, {torch.nn.Linear}, dtype=torch.qint8
+            )
+
+        if not use_cuda:
+            self.args.fp16 = False
+
+        if self.args.special_tokens_list:
+            self.tokenizer.add_tokens(
+                self.args.special_tokens_list, special_tokens=True
+            )
+            self.model.resize_token_embeddings(len(self.tokenizer))
+
+        self.args.model_type = model_type
+        if model_name is None:
+            self.args.model_name = "T5_from_scratch"
+        else:
+            self.args.model_name = model_name
+
+        if self.args.wandb_project and not wandb_available:
+            warnings.warn(
+                "wandb_project specified but wandb is not available. Wandb disabled."
+            )
+            self.args.wandb_project = None
+
+    def train_model(
+            self,
+            train_data,
+            output_dir=None,
+            show_running_loss=True,
+            args=None,
+            eval_data=None,
+            verbose=True,
+            **kwargs,
+    ):
+        """
+        Trains the model using 'train_data'
+
+        Args:
+            train_data: Pandas DataFrame containing the 3 columns - `prefix`, `input_text`, `target_text`.
+                        - `prefix`: A string indicating the task to perform. (E.g. `"question"`, `"stsb"`)
+                        - `input_text`: The input text sequence. `prefix` is automatically prepended to form the full input. (<prefix>: <input_text>)
+                        - `target_text`: The target sequence
+            output_dir: The directory where model files will be saved. If not given, self.args.output_dir will be used.
+            show_running_loss (optional): Set to False to prevent running loss from being printed to console. Defaults to True.
+            args (optional): Optional changes to the args dict of the model. Any changes made will persist for the model.
+            eval_data (optional): A DataFrame against which evaluation will be performed when evaluate_during_training is enabled. Is required if evaluate_during_training is enabled.
+            **kwargs: Additional metrics that should be used. Pass in the metrics as keyword arguments (name of metric: function to use).
+                        A metric function should take in two parameters. The first parameter will be the true labels, and the second parameter will be the predictions. Both inputs
+                        will be lists of strings. Note that this will slow down training significantly as the predicted sequences need to be generated.
+
+        Returns:
+            global_step: Number of global steps trained
+            training_details: Average training loss if evaluate_during_training is False or full training progress scores if evaluate_during_training is True
+        """  # noqa: ignore flake8"
+
+        if args:
+            self.args.update_from_dict(args)
+        if self.args.evaluate_during_training and eval_data is None:
+            raise ValueError(
+                "evaluate_during_training is enabled but eval_data is not specified."
+                " Pass eval_data to model.train_model() if using evaluate_during_training."
+            )
+
+        if not output_dir:
+            output_dir = self.args.output_dir
+
+        if (
+                os.path.exists(output_dir)
+                and os.listdir(output_dir)
+                and not self.args.overwrite_output_dir
+        ):
+            raise ValueError(
+                "Output directory ({}) already exists and is not empty."
+                " Set args.overwrite_output_dir = True to overcome.".format(output_dir)
+            )
+
+        self._move_model_to_device()
+
+        train_dataset = self.load_and_cache_examples(train_data, verbose=verbose)
+
+        os.makedirs(output_dir, exist_ok=True)
+
+        global_step, training_details = self.train(
+            train_dataset,
+            output_dir,
+            show_running_loss=show_running_loss,
+            eval_data=eval_data,
+            verbose=verbose,
+            **kwargs,
+        )
+
+        self.save_model(model=self.model)
+
+        if verbose:
+            logger.info(
+                " Training of {} model complete. Saved to {}.".format(
+                    self.args.model_name, output_dir
+                )
+            )
+
+        return global_step, training_details
+
+    def train(
+            self,
+            train_dataset,
+            output_dir,
+            show_running_loss=True,
+            eval_data=None,
+            verbose=True,
+            **kwargs,
+    ):
+        """
+        Trains the model on train_dataset.
+
+        Utility function to be used by the train_model() method. Not intended to be used directly.
+        """
+
+        model = self.model
+        args = self.args
+        device = self.device
+
+        tb_writer = SummaryWriter(log_dir=args.tensorboard_dir)
+        train_sampler = RandomSampler(train_dataset)
+        train_dataloader = DataLoader(
+            train_dataset,
+            sampler=train_sampler,
+            batch_size=args.train_batch_size,
+            num_workers=self.args.dataloader_num_workers,
+        )
+
+        if args.max_steps > 0:
+            t_total = args.max_steps
+            args.num_train_epochs = (
+                    args.max_steps
+                    // (len(train_dataloader) // args.gradient_accumulation_steps)
+                    + 1
+            )
+        else:
+            t_total = (
+                    len(train_dataloader)
+                    // args.gradient_accumulation_steps
+                    * args.num_train_epochs
+            )
+
+        no_decay = ["bias", "LayerNorm.weight"]
+
+        optimizer_grouped_parameters = []
+        custom_parameter_names = set()
+        for group in self.args.custom_parameter_groups:
+            params = group.pop("params")
+            custom_parameter_names.update(params)
+            param_group = {**group}
+            param_group["params"] = [
+                p for n, p in model.named_parameters() if n in params
+            ]
+            optimizer_grouped_parameters.append(param_group)
+
+        for group in self.args.custom_layer_parameters:
+            layer_number = group.pop("layer")
+            layer = f"layer.{layer_number}."
+            group_d = {**group}
+            group_nd = {**group}
+            group_nd["weight_decay"] = 0.0
+            params_d = []
+            params_nd = []
+            for n, p in model.named_parameters():
+                if n not in custom_parameter_names and layer in n:
+                    if any(nd in n for nd in no_decay):
+                        params_nd.append(p)
+                    else:
+                        params_d.append(p)
+                    custom_parameter_names.add(n)
+            group_d["params"] = params_d
+            group_nd["params"] = params_nd
+
+            optimizer_grouped_parameters.append(group_d)
+            optimizer_grouped_parameters.append(group_nd)
+
+        if not self.args.train_custom_parameters_only:
+            optimizer_grouped_parameters.extend(
+                [
+                    {
+                        "params": [
+                            p
+                            for n, p in model.named_parameters()
+                            if n not in custom_parameter_names
+                               and not any(nd in n for nd in no_decay)
+                        ],
+                        "weight_decay": args.weight_decay,
+                    },
+                    {
+                        "params": [
+                            p
+                            for n, p in model.named_parameters()
+                            if n not in custom_parameter_names
+                               and any(nd in n for nd in no_decay)
+                        ],
+                        "weight_decay": 0.0,
+                    },
+                ]
+            )
+
+        warmup_steps = math.ceil(t_total * args.warmup_ratio)
+        args.warmup_steps = (
+            warmup_steps if args.warmup_steps == 0 else args.warmup_steps
+        )
+
+        if args.optimizer == "AdamW":
+            optimizer = AdamW(
+                optimizer_grouped_parameters,
+                lr=args.learning_rate,
+                eps=args.adam_epsilon,
+            )
+        elif args.optimizer == "Adafactor":
+            optimizer = Adafactor(
+                optimizer_grouped_parameters,
+                lr=args.learning_rate,
+                eps=args.adafactor_eps,
+                clip_threshold=args.adafactor_clip_threshold,
+                decay_rate=args.adafactor_decay_rate,
+                beta1=args.adafactor_beta1,
+                weight_decay=args.weight_decay,
+                scale_parameter=args.adafactor_scale_parameter,
+                relative_step=args.adafactor_relative_step,
+                warmup_init=args.adafactor_warmup_init,
+            )
+
+        else:
+            raise ValueError(
+                "{} is not a valid optimizer class. Please use one of ('AdamW', 'Adafactor') instead.".format(
+                    args.optimizer
+                )
+            )
+
+        if args.scheduler == "constant_schedule":
+            scheduler = get_constant_schedule(optimizer)
+
+        elif args.scheduler == "constant_schedule_with_warmup":
+            scheduler = get_constant_schedule_with_warmup(
+                optimizer, num_warmup_steps=args.warmup_steps
+            )
+
+        elif args.scheduler == "linear_schedule_with_warmup":
+            scheduler = get_linear_schedule_with_warmup(
+                optimizer,
+                num_warmup_steps=args.warmup_steps,
+                num_training_steps=t_total,
+            )
+
+        elif args.scheduler == "cosine_schedule_with_warmup":
+            scheduler = get_cosine_schedule_with_warmup(
+                optimizer,
+                num_warmup_steps=args.warmup_steps,
+                num_training_steps=t_total,
+                num_cycles=args.cosine_schedule_num_cycles,
+            )
+
+        elif args.scheduler == "cosine_with_hard_restarts_schedule_with_warmup":
+            scheduler = get_cosine_with_hard_restarts_schedule_with_warmup(
+                optimizer,
+                num_warmup_steps=args.warmup_steps,
+                num_training_steps=t_total,
+                num_cycles=args.cosine_schedule_num_cycles,
+            )
+
+        elif args.scheduler == "polynomial_decay_schedule_with_warmup":
+            scheduler = get_polynomial_decay_schedule_with_warmup(
+                optimizer,
+                num_warmup_steps=args.warmup_steps,
+                num_training_steps=t_total,
+                lr_end=args.polynomial_decay_schedule_lr_end,
+                power=args.polynomial_decay_schedule_power,
+            )
+
+        else:
+            raise ValueError("{} is not a valid scheduler.".format(args.scheduler))
+
+        if (
+                args.model_name
+                and os.path.isfile(os.path.join(args.model_name, "optimizer.pt"))
+                and os.path.isfile(os.path.join(args.model_name, "scheduler.pt"))
+        ):
+            # Load in optimizer and scheduler states
+            optimizer.load_state_dict(
+                torch.load(os.path.join(args.model_name, "optimizer.pt"))
+            )
+            scheduler.load_state_dict(
+                torch.load(os.path.join(args.model_name, "scheduler.pt"))
+            )
+
+        if args.n_gpu > 1:
+            model = torch.nn.DataParallel(model)
+
+        logger.info(" Training started")
+
+        global_step = 0
+        training_progress_scores = None
+        tr_loss, logging_loss = 0.0, 0.0
+        model.zero_grad()
+        train_iterator = trange(
+            int(args.num_train_epochs), desc="Epoch", disable=args.silent, mininterval=0
+        )
+        epoch_number = 0
+        best_eval_metric = None
+        early_stopping_counter = 0
+        steps_trained_in_current_epoch = 0
+        epochs_trained = 0
+
+        if args.model_name and os.path.exists(args.model_name):
+            try:
+                # set global_step to gobal_step of last saved checkpoint from model path
+                checkpoint_suffix = args.model_name.split("/")[-1].split("-")
+                if len(checkpoint_suffix) > 2:
+                    checkpoint_suffix = checkpoint_suffix[1]
+                else:
+                    checkpoint_suffix = checkpoint_suffix[-1]
+                global_step = int(checkpoint_suffix)
+                epochs_trained = global_step // (
+                        len(train_dataloader) // args.gradient_accumulation_steps
+                )
+                steps_trained_in_current_epoch = global_step % (
+                        len(train_dataloader) // args.gradient_accumulation_steps
+                )
+
+                logger.info(
+                    "   Continuing training from checkpoint, will skip to saved global_step"
+                )
+                logger.info("   Continuing training from epoch %d", epochs_trained)
+                logger.info("   Continuing training from global step %d", global_step)
+                logger.info(
+                    "   Will skip the first %d steps in the current epoch",
+                    steps_trained_in_current_epoch,
+                )
+            except ValueError:
+                logger.info("   Starting fine-tuning.")
+
+        if args.evaluate_during_training:
+            training_progress_scores = self._create_training_progress_scores(**kwargs)
+
+        if args.wandb_project:
+            wandb.init(
+                project=args.wandb_project,
+                config={**asdict(args)},
+                **args.wandb_kwargs,
+            )
+            wandb.run._label(repo="textgen")
+            wandb.watch(self.model)
+            self.wandb_run_id = wandb.run.id
+
+        if args.fp16:
+            from torch.cuda import amp
+
+            scaler = amp.GradScaler()
+
+        for current_epoch in train_iterator:
+            model.train()
+            if epochs_trained > 0:
+                epochs_trained -= 1
+                continue
+            train_iterator.set_description(
+                f"Epoch {epoch_number + 1} of {args.num_train_epochs}"
+            )
+            batch_iterator = tqdm(
+                train_dataloader,
+                desc=f"Running Epoch {epoch_number} of {args.num_train_epochs}",
+                disable=args.silent,
+                mininterval=0,
+            )
+            for step, batch in enumerate(batch_iterator):
+                if steps_trained_in_current_epoch > 0:
+                    steps_trained_in_current_epoch -= 1
+                    continue
+
+                inputs = self._get_inputs_dict(batch)
+                if args.fp16:
+                    with amp.autocast():
+                        outputs = model(**inputs)
+                        # model outputs are always tuple in pytorch-transformers (see doc)
+                        loss = outputs[0]
+                else:
+                    outputs = model(**inputs)
+                    # model outputs are always tuple in pytorch-transformers (see doc)
+                    loss = outputs[0]
+
+                if args.n_gpu > 1:
+                    loss = (
+                        loss.mean()
+                    )  # mean() to average on multi-gpu parallel training
+
+                current_loss = loss.item()
+
+                if show_running_loss:
+                    batch_iterator.set_description(
+                        f"Epochs {epoch_number}/{args.num_train_epochs}. Running Loss: {current_loss:9.4f}"
+                    )
+
+                if args.gradient_accumulation_steps > 1:
+                    loss = loss / args.gradient_accumulation_steps
+
+                if args.fp16:
+                    scaler.scale(loss).backward()
+                else:
+                    loss.backward()
+
+                tr_loss += loss.item()
+                if (step + 1) % args.gradient_accumulation_steps == 0:
+                    if args.fp16:
+                        scaler.unscale_(optimizer)
+                    if args.optimizer == "AdamW":
+                        torch.nn.utils.clip_grad_norm_(
+                            model.parameters(), args.max_grad_norm
+                        )
+
+                    if args.fp16:
+                        scaler.step(optimizer)
+                        scaler.update()
+                    else:
+                        optimizer.step()
+                    scheduler.step()  # Update learning rate schedule
+                    model.zero_grad()
+                    global_step += 1
+
+                    if args.logging_steps > 0 and global_step % args.logging_steps == 0:
+                        # Log metrics
+                        tb_writer.add_scalar(
+                            "lr", scheduler.get_last_lr()[0], global_step
+                        )
+                        tb_writer.add_scalar(
+                            "loss",
+                            (tr_loss - logging_loss) / args.logging_steps,
+                            global_step,
+                        )
+                        logging_loss = tr_loss
+                        if args.wandb_project or self.is_sweeping:
+                            wandb.log(
+                                {
+                                    "Training loss": current_loss,
+                                    "lr": scheduler.get_last_lr()[0],
+                                    "global_step": global_step,
+                                }
+                            )
+
+                    if args.save_steps > 0 and global_step % args.save_steps == 0:
+                        # Save model checkpoint
+                        output_dir_current = os.path.join(
+                            output_dir, "checkpoint-{}".format(global_step)
+                        )
+
+                        self.save_model(
+                            output_dir_current, optimizer, scheduler, model=model
+                        )
+
+                    if args.evaluate_during_training and (
+                            args.evaluate_during_training_steps > 0
+                            and global_step % args.evaluate_during_training_steps == 0
+                    ):
+                        # Only evaluate when single GPU otherwise metrics may not average well
+                        results = self.eval_model(
+                            eval_data,
+                            verbose=verbose and args.evaluate_during_training_verbose,
+                            silent=args.evaluate_during_training_silent,
+                            **kwargs,
+                        )
+                        for key, value in results.items():
+                            try:
+                                tb_writer.add_scalar(
+                                    "eval_{}".format(key), value, global_step
+                                )
+                            except (NotImplementedError, AssertionError):
+                                pass
+
+                        output_dir_current = os.path.join(
+                            output_dir, "checkpoint-{}".format(global_step)
+                        )
+
+                        if args.save_eval_checkpoints:
+                            self.save_model(
+                                output_dir_current,
+                                optimizer,
+                                scheduler,
+                                model=model,
+                                results=results,
+                            )
+
+                        training_progress_scores["global_step"].append(global_step)
+                        training_progress_scores["train_loss"].append(current_loss)
+                        for key in results:
+                            training_progress_scores[key].append(results[key])
+                        report = pd.DataFrame(training_progress_scores)
+                        report.to_csv(
+                            os.path.join(
+                                args.output_dir, "training_progress_scores.csv"
+                            ),
+                            index=False,
+                        )
+
+                        if args.wandb_project or self.is_sweeping:
+                            wandb.log(self._get_last_metrics(training_progress_scores))
+
+                        if not best_eval_metric:
+                            best_eval_metric = results[args.early_stopping_metric]
+                            self.save_model(
+                                args.best_model_dir,
+                                optimizer,
+                                scheduler,
+                                model=model,
+                                results=results,
+                            )
+                        if best_eval_metric and args.early_stopping_metric_minimize:
+                            if (
+                                    results[args.early_stopping_metric] - best_eval_metric
+                                    < args.early_stopping_delta
+                            ):
+                                best_eval_metric = results[args.early_stopping_metric]
+                                self.save_model(
+                                    args.best_model_dir,
+                                    optimizer,
+                                    scheduler,
+                                    model=model,
+                                    results=results,
+                                )
+                                early_stopping_counter = 0
+                            else:
+                                if args.use_early_stopping:
+                                    if (
+                                            early_stopping_counter
+                                            < args.early_stopping_patience
+                                    ):
+                                        early_stopping_counter += 1
+                                        if verbose:
+                                            logger.info(
+                                                f" No improvement in {args.early_stopping_metric}"
+                                            )
+                                            logger.info(
+                                                f" Current step: {early_stopping_counter}"
+                                            )
+                                            logger.info(
+                                                f" Early stopping patience: {args.early_stopping_patience}"
+                                            )
+                                    else:
+                                        if verbose:
+                                            logger.info(
+                                                f" Patience of {args.early_stopping_patience} steps reached"
+                                            )
+                                            logger.info(" Training terminated.")
+                                            train_iterator.close()
+                                        return (
+                                            global_step,
+                                            tr_loss / global_step
+                                            if not self.args.evaluate_during_training
+                                            else training_progress_scores,
+                                        )
+                        else:
+                            if (
+                                    results[args.early_stopping_metric] - best_eval_metric
+                                    > args.early_stopping_delta
+                            ):
+                                best_eval_metric = results[args.early_stopping_metric]
+                                self.save_model(
+                                    args.best_model_dir,
+                                    optimizer,
+                                    scheduler,
+                                    model=model,
+                                    results=results,
+                                )
+                                early_stopping_counter = 0
+                            else:
+                                if args.use_early_stopping:
+                                    if (
+                                            early_stopping_counter
+                                            < args.early_stopping_patience
+                                    ):
+                                        early_stopping_counter += 1
+                                        if verbose:
+                                            logger.info(
+                                                f" No improvement in {args.early_stopping_metric}"
+                                            )
+                                            logger.info(
+                                                f" Current step: {early_stopping_counter}"
+                                            )
+                                            logger.info(
+                                                f" Early stopping patience: {args.early_stopping_patience}"
+                                            )
+                                    else:
+                                        if verbose:
+                                            logger.info(
+                                                f" Patience of {args.early_stopping_patience} steps reached"
+                                            )
+                                            logger.info(" Training terminated.")
+                                            train_iterator.close()
+                                        return (
+                                            global_step,
+                                            tr_loss / global_step
+                                            if not self.args.evaluate_during_training
+                                            else training_progress_scores,
+                                        )
+                        model.train()
+
+            epoch_number += 1
+            output_dir_current = os.path.join(
+                output_dir, "checkpoint-{}-epoch-{}".format(global_step, epoch_number)
+            )
+
+            if args.save_model_every_epoch:
+                self.save_model(output_dir_current, optimizer, scheduler, model=model)
+
+            if args.evaluate_during_training and args.evaluate_each_epoch:
+                results = self.eval_model(
+                    eval_data,
+                    verbose=verbose and args.evaluate_during_training_verbose,
+                    silent=args.evaluate_during_training_silent,
+                    **kwargs,
+                )
+
+                if args.save_eval_checkpoints:
+                    self.save_model(
+                        output_dir_current, optimizer, scheduler, results=results
+                    )
+
+                training_progress_scores["global_step"].append(global_step)
+                training_progress_scores["train_loss"].append(current_loss)
+                for key in results:
+                    training_progress_scores[key].append(results[key])
+                report = pd.DataFrame(training_progress_scores)
+                report.to_csv(
+                    os.path.join(args.output_dir, "training_progress_scores.csv"),
+                    index=False,
+                )
+
+                if args.wandb_project or self.is_sweeping:
+                    wandb.log(self._get_last_metrics(training_progress_scores))
+
+                if not best_eval_metric:
+                    best_eval_metric = results[args.early_stopping_metric]
+                    self.save_model(
+                        args.best_model_dir,
+                        optimizer,
+                        scheduler,
+                        model=model,
+                        results=results,
+                    )
+                if best_eval_metric and args.early_stopping_metric_minimize:
+                    if (
+                            results[args.early_stopping_metric] - best_eval_metric
+                            < args.early_stopping_delta
+                    ):
+                        best_eval_metric = results[args.early_stopping_metric]
+                        self.save_model(
+                            args.best_model_dir,
+                            optimizer,
+                            scheduler,
+                            model=model,
+                            results=results,
+                        )
+                        early_stopping_counter = 0
+                    else:
+                        if (
+                                args.use_early_stopping
+                                and args.early_stopping_consider_epochs
+                        ):
+                            if early_stopping_counter < args.early_stopping_patience:
+                                early_stopping_counter += 1
+                                if verbose:
+                                    logger.info(
+                                        f" No improvement in {args.early_stopping_metric}"
+                                    )
+                                    logger.info(
+                                        f" Current step: {early_stopping_counter}"
+                                    )
+                                    logger.info(
+                                        f" Early stopping patience: {args.early_stopping_patience}"
+                                    )
+                            else:
+                                if verbose:
+                                    logger.info(
+                                        f" Patience of {args.early_stopping_patience} steps reached"
+                                    )
+                                    logger.info(" Training terminated.")
+                                    train_iterator.close()
+                                return (
+                                    global_step,
+                                    tr_loss / global_step
+                                    if not self.args.evaluate_during_training
+                                    else training_progress_scores,
+                                )
+                else:
+                    if (
+                            results[args.early_stopping_metric] - best_eval_metric
+                            > args.early_stopping_delta
+                    ):
+                        best_eval_metric = results[args.early_stopping_metric]
+                        self.save_model(
+                            args.best_model_dir,
+                            optimizer,
+                            scheduler,
+                            model=model,
+                            results=results,
+                        )
+                        early_stopping_counter = 0
+                    else:
+                        if (
+                                args.use_early_stopping
+                                and args.early_stopping_consider_epochs
+                        ):
+                            if early_stopping_counter < args.early_stopping_patience:
+                                early_stopping_counter += 1
+                                if verbose:
+                                    logger.info(
+                                        f" No improvement in {args.early_stopping_metric}"
+                                    )
+                                    logger.info(
+                                        f" Current step: {early_stopping_counter}"
+                                    )
+                                    logger.info(
+                                        f" Early stopping patience: {args.early_stopping_patience}"
+                                    )
+                            else:
+                                if verbose:
+                                    logger.info(
+                                        f" Patience of {args.early_stopping_patience} steps reached"
+                                    )
+                                    logger.info(" Training terminated.")
+                                    train_iterator.close()
+                                return (
+                                    global_step,
+                                    tr_loss / global_step
+                                    if not self.args.evaluate_during_training
+                                    else training_progress_scores,
+                                )
+
+        return (
+            global_step,
+            tr_loss / global_step
+            if not self.args.evaluate_during_training
+            else training_progress_scores,
+        )
+
+    def eval_model(
+            self, eval_data, output_dir=None, verbose=True, silent=False, **kwargs
+    ):
+        """
+        Evaluates the model on eval_data. Saves results to output_dir.
+
+        Args:
+            eval_data: Pandas DataFrame containing the 3 columns - `prefix`, `input_text`, `target_text`.
+                        - `prefix`: A string indicating the task to perform. (E.g. `"question"`, `"stsb"`)
+                        - `input_text`: The input text sequence. `prefix` is automatically prepended to form the full input. (<prefix>: <input_text>)
+                        - `target_text`: The target sequence
+            output_dir: The directory where model files will be saved. If not given, self.args.output_dir will be used.
+            verbose: If verbose, results will be printed to the console on completion of evaluation.
+            silent: If silent, tqdm progress bars will be hidden.
+            **kwargs: Additional metrics that should be used. Pass in the metrics as keyword arguments (name of metric: function to use).
+                        A metric function should take in two parameters. The first parameter will be the true labels, and the second parameter will be the predictions. Both inputs
+                        will be lists of strings. Note that this will slow down evaluation significantly as the predicted sequences need to be generated.
+        Returns:
+            results: Dictionary containing evaluation results.
+        """  # noqa: ignore flake8"
+
+        if not output_dir:
+            output_dir = self.args.output_dir
+
+        self._move_model_to_device()
+
+        eval_dataset = self.load_and_cache_examples(
+            eval_data, evaluate=True, verbose=verbose, silent=silent
+        )
+        os.makedirs(output_dir, exist_ok=True)
+
+        result = self.evaluate(
+            eval_dataset, output_dir, verbose=verbose, silent=silent, **kwargs
+        )
+        self.results.update(result)
+
+        if self.args.evaluate_generated_text:
+            if self.args.preprocess_inputs:
+                to_predict = [
+                    input_text
+                    for prefix, input_text in zip(
+                        eval_data["prefix"], eval_data["input_text"]
+                    )
+                ]
+            else:
+                to_predict = [
+                    prefix + input_text
+                    for prefix, input_text in zip(
+                        eval_data["prefix"], eval_data["input_text"]
+                    )
+                ]
+            preds = self.predict(to_predict[:self.args.eval_batch_size*3])
+
+            result = self.compute_metrics(
+                eval_data["target_text"].tolist()[:self.args.eval_batch_size*3], preds, **kwargs
+            )
+            self.results.update(result)
+
+        if verbose:
+            logger.info(self.results)
+
+        return self.results
+
+    def evaluate(self, eval_dataset, output_dir, verbose=True, silent=False, **kwargs):
+        """
+        Evaluates the model on eval_dataset.
+
+        Utility function to be used by the eval_model() method. Not intended to be used directly.
+        """
+
+        model = self.model
+        args = self.args
+        eval_output_dir = output_dir
+        device = self.device
+
+        results = {}
+
+        eval_sampler = SequentialSampler(eval_dataset)
+        eval_dataloader = DataLoader(
+            eval_dataset, sampler=eval_sampler, batch_size=args.eval_batch_size
+        )
+
+        if args.n_gpu > 1:
+            model = torch.nn.DataParallel(model)
+
+        eval_loss = 0.0
+        nb_eval_steps = 0
+        model.eval()
+
+        if self.args.fp16:
+            from torch.cuda import amp
+
+        for batch in tqdm(
+                eval_dataloader, disable=args.silent or silent, desc="Running Evaluation"
+        ):
+            inputs = self._get_inputs_dict(batch)
+            with torch.no_grad():
+                if self.args.fp16:
+                    with amp.autocast():
+                        outputs = model(**inputs)
+                        loss = outputs[0]
+                else:
+                    outputs = model(**inputs)
+                    loss = outputs[0]
+                if self.args.n_gpu > 1:
+                    loss = loss.mean()
+                eval_loss += loss.item()
+            nb_eval_steps += 1
+
+        eval_loss = eval_loss / nb_eval_steps
+
+        results["eval_loss"] = eval_loss
+
+        output_eval_file = os.path.join(eval_output_dir, "eval_results.txt")
+        with open(output_eval_file, "w") as writer:
+            for key in sorted(results.keys()):
+                writer.write("{} = {}\n".format(key, str(results[key])))
+
+        return results
+
+    def predict(self, to_predict, split_on_space=False):
+        """
+        Performs predictions on a list of text.
+
+        Args:
+            to_predict: A python list of text (str) to be sent to the model for prediction. Note that the prefix should be prepended to the text.
+            split_on_space (optional): If True, input is english string, if False, input is chinese string.
+
+        Returns:
+            preds: A python list of the generated sequences.
+        """  # noqa: ignore flake8"
+
+        self._move_model_to_device()
+
+        all_outputs = []
+        # Batching
+        for batch in tqdm(
+                [
+                    to_predict[i: i + self.args.eval_batch_size]
+                    for i in range(0, len(to_predict), self.args.eval_batch_size)
+                ],
+                desc="Generating outputs",
+                disable=self.args.silent,
+        ):
+            input_batch = self.tokenizer.prepare_seq2seq_batch(
+                src_texts=batch,
+                max_length=self.args.max_seq_length,
+                padding="max_length",
+                return_tensors="pt",
+                truncation=True,
+            )
+            input_ids = input_batch["input_ids"]
+            attention_mask = input_batch["attention_mask"]
+
+            input_ids = input_ids.to(self.device)
+            attention_mask = attention_mask.to(self.device)
+
+            outputs = self.model.generate(
+                input_ids=input_ids,
+                attention_mask=attention_mask,
+                num_beams=self.args.num_beams,
+                max_length=self.args.max_length,
+                length_penalty=self.args.length_penalty,
+                early_stopping=self.args.early_stopping,
+                repetition_penalty=self.args.repetition_penalty,
+                do_sample=self.args.do_sample,
+                top_k=self.args.top_k,
+                top_p=self.args.top_p,
+                num_return_sequences=self.args.num_return_sequences,
+                #streamer=self.streamer,
+            )
+            all_outputs.extend(outputs.cpu().numpy())
+
+        if self.args.use_multiprocessed_decoding:
+            self.model.to("cpu")
+            with Pool(self.args.process_count) as p:
+                if self.args.multiprocessing_chunksize == -1:
+                    chunksize = max(
+                        len(all_outputs) // (self.args.process_count * 2), 500
+                    )
+                else:
+                    chunksize = self.args.multiprocessing_chunksize
+                outputs = list(
+                    tqdm(
+                        p.imap(self._decode, all_outputs, chunksize=chunksize),
+                        total=len(all_outputs),
+                        desc="Decoding outputs",
+                        disable=self.args.silent,
+                    )
+                )
+            self._move_model_to_device()
+        else:
+            outputs = [
+                self.tokenizer.decode(
+                    output_id,
+                    skip_special_tokens=self.args.skip_special_tokens,
+                    clean_up_tokenization_spaces=True,
+                )
+                for output_id in all_outputs
+            ]
+        if not split_on_space:
+            outputs = [''.join(gen_text.split(' ')) for gen_text in outputs]
+        if self.args.num_return_sequences > 1:
+            return [
+                outputs[i: i + self.args.num_return_sequences]
+                for i in range(0, len(outputs), self.args.num_return_sequences)
+            ]
+        else:
+            return outputs
+
+    def _decode(self, output_id):
+        return self.tokenizer.decode(
+            output_id,
+            skip_special_tokens=self.args.skip_special_tokens,
+            clean_up_tokenization_spaces=True,
+        )
+
+    def compute_metrics(self, labels, preds, **kwargs):
+        """
+        Computes the evaluation metrics for the model predictions.
+
+        Args:
+            labels: List of target sequences
+            preds: List of model generated outputs
+            **kwargs: Custom metrics that should be used. Pass in the metrics as keyword arguments (name of metric: function to use).
+                        A metric function should take in two parameters. The first parameter will be the true labels, and the second parameter will be the predictions. Both inputs
+                        will be lists of strings. Note that this will slow down evaluation significantly as the predicted sequences need to be generated.
+
+        Returns:
+            result: Dictionary containing evaluation results.
+        """  # noqa: ignore flake8"
+        assert len(labels) == len(preds)
+
+        results = {}
+        for metric, func in kwargs.items():
+            results[metric] = func(labels, preds)
+
+        return results
+
+    def _move_model_to_device(self):
+        self.model.to(self.device)
+
+    def _get_inputs_dict(self, batch):
+        if self.args.use_hf_datasets:
+            inputs = {**batch, "labels": batch["input_ids"]}
+
+            return {key: value.to(self.device) for key, value in inputs.items()}
+        else:
+            batch = tuple(t.to(self.device) for t in batch)
+
+            input_ids = batch[0]
+            attention_mask = batch[1]
+            labels = batch[2]
+            labels[labels == self.tokenizer.pad_token_id] = -100
+
+            inputs = {
+                "input_ids": input_ids,
+                "attention_mask": attention_mask,
+                "labels": labels,
+            }
+
+            return inputs
+
+    def load_and_cache_examples(
+            self, data, evaluate=False, no_cache=False, verbose=True, silent=False
+    ):
+        """
+        Creates a T5Dataset from data.
+
+        Utility function for train() and eval() methods. Not intended to be used directly.
+        """
+
+        tokenizer = self.tokenizer
+        args = self.args
+
+        if not no_cache:
+            no_cache = args.no_cache
+
+        if not no_cache:
+            os.makedirs(self.args.cache_dir, exist_ok=True)
+
+        mode = "dev" if evaluate else "train"
+
+        if self.args.use_hf_datasets:
+            dataset = load_hf_dataset(data, tokenizer, self.args)
+            return dataset
+        elif args.dataset_class:
+            CustomDataset = args.dataset_class
+            return CustomDataset(tokenizer, args, data, mode)
+        else:
+            return T5Dataset(
+                tokenizer,
+                self.args,
+                data,
+                mode,
+            )
+
+    def _create_training_progress_scores(self, **kwargs):
+        extra_metrics = {key: [] for key in kwargs}
+        training_progress_scores = {
+            "global_step": [],
+            "eval_loss": [],
+            "train_loss": [],
+            **extra_metrics,
+        }
+
+        return training_progress_scores
+
+    def _get_last_metrics(self, metric_values):
+        return {metric: values[-1] for metric, values in metric_values.items()}
+
+    def save_model(
+            self, output_dir=None, optimizer=None, scheduler=None, model=None, results=None
+    ):
+        if not output_dir:
+            output_dir = self.args.output_dir
+        os.makedirs(output_dir, exist_ok=True)
+
+        if model and not self.args.no_save:
+            # Take care of distributed/parallel training
+            model_to_save = model.module if hasattr(model, "module") else model
+            model_to_save.save_pretrained(output_dir)
+            self.tokenizer.save_pretrained(output_dir)
+            torch.save(self.args, os.path.join(output_dir, "training_args.bin"))
+            if optimizer and scheduler and self.args.save_optimizer_and_scheduler:
+                torch.save(
+                    optimizer.state_dict(), os.path.join(output_dir, "optimizer.pt")
+                )
+                torch.save(
+                    scheduler.state_dict(), os.path.join(output_dir, "scheduler.pt")
+                )
+            self.save_model_args(output_dir)
+
+        if results:
+            output_eval_file = os.path.join(output_dir, "eval_results.txt")
+            with open(output_eval_file, "w") as writer:
+                for key in sorted(results.keys()):
+                    writer.write("{} = {}\n".format(key, str(results[key])))
+
+    def save_model_args(self, output_dir):
+        os.makedirs(output_dir, exist_ok=True)
+        self.args.save(output_dir)
+
+    def _load_model_args(self, input_dir):
+        args = T5Args()
+        args.load(input_dir)
+        return args
+
+    def get_named_parameters(self):
+        return [n for n, p in self.model.named_parameters()]

t5/t5_utils.py

@@ -0,0 +1,214 @@
+# -*- coding: utf-8 -*-
+"""
+@author:XuMing([email protected])
+@description: adjust for chinese tokenizer
+"""
+import os
+import pickle
+from multiprocessing import Pool
+
+from datasets import Dataset as HFDataset
+from datasets import load_dataset
+from torch.utils.data import Dataset
+from tqdm.auto import tqdm
+from rouge import Rouge
+from loguru import logger
+
+
+def preprocess_batch_for_hf_dataset(dataset, tokenizer, args):
+    if args.preprocess_inputs:
+        return tokenizer.prepare_seq2seq_batch(
+            src_texts=[
+                prefix + ": " + input_text
+                for prefix, input_text in zip(dataset["prefix"], dataset["input_text"])
+            ],
+            tgt_texts=dataset["target_text"],
+            max_length=args.max_seq_length,
+            max_target_length=args.max_length,
+            padding="max_length",
+            return_tensors="np",
+            truncation=True,
+        )
+    else:
+        return tokenizer.prepare_seq2seq_batch(
+            src_texts=[
+                prefix + input_text
+                for prefix, input_text in zip(dataset["prefix"], dataset["input_text"])
+            ],
+            tgt_texts=dataset["target_text"],
+            max_length=args.max_seq_length,
+            max_target_length=args.max_length,
+            padding="max_length",
+            return_tensors="np",
+            truncation=True,
+        )
+
+
+def load_hf_dataset(data, tokenizer, args):
+    if isinstance(data, str):
+        dataset = load_dataset(
+            "csv",
+            data_files=data,
+            delimiter="\t",
+            download_mode="force_redownload"
+            if args.reprocess_input_data
+            else "reuse_dataset_if_exists",
+        )
+    else:
+        dataset = HFDataset.from_pandas(data)
+
+    dataset = dataset.map(
+        lambda x: preprocess_batch_for_hf_dataset(x, tokenizer=tokenizer, args=args),
+        batched=True,
+    )
+
+    dataset.set_format(type="pt", columns=["input_ids", "attention_mask"])
+
+    if isinstance(data, str):
+        # This is not necessarily a train dataset. The datasets library insists on calling it train.
+        return dataset["train"]
+    else:
+        return dataset
+
+
+def preprocess_data(data):
+    prefix, input_text, target_text, tokenizer, args = data
+
+    # Add EOS again if truncated?
+    if args.preprocess_inputs:
+        batch = tokenizer.prepare_seq2seq_batch(
+            src_texts=[prefix + ": " + input_text],
+            tgt_texts=[target_text],
+            max_length=args.max_seq_length,
+            padding="max_length",
+            return_tensors="pt",
+            truncation=True,
+        )
+    else:
+        batch = tokenizer.prepare_seq2seq_batch(
+            src_texts=[prefix + ": " + input_text],
+            tgt_texts=[target_text],
+            max_length=args.max_seq_length,
+            padding="max_length",
+            return_tensors="pt",
+            truncation=True,
+        )
+    input_ids = batch["input_ids"][0]
+    attention_mask = batch["attention_mask"][0]
+    labels = batch["labels"][0]
+    return (input_ids, attention_mask, labels)
+
+
+class T5Dataset(Dataset):
+    def __init__(self, tokenizer, args, data, mode):
+        cached_features_file = os.path.join(
+            args.cache_dir,
+            args.model_name.replace("/", "_")
+            + "_cached_"
+            + str(args.max_seq_length)
+            + str(len(data)),
+        )
+
+        if os.path.exists(cached_features_file) and (
+                (not args.reprocess_input_data and not args.no_cache)
+                or (mode == "dev" and args.use_cached_eval_features and not args.no_cache)
+        ):
+            logger.info(" Loading features from cached file %s" % cached_features_file)
+            with open(cached_features_file, "rb") as handle:
+                self.examples = pickle.load(handle)
+        else:
+            logger.info(" Creating features from dataset file at %s" % args.cache_dir)
+
+            data = [
+                (prefix, input_text, target_text, tokenizer, args)
+                for prefix, input_text, target_text in zip(
+                    data["prefix"], data["input_text"], data["target_text"]
+                )
+            ]
+
+            if (mode == "train" and args.use_multiprocessing) or (
+                    mode == "dev" and args.use_multiprocessing_for_evaluation
+            ):
+                if args.multiprocessing_chunksize == -1:
+                    chunksize = max(len(data) // (args.process_count * 2), 500)
+                else:
+                    chunksize = args.multiprocessing_chunksize
+
+                with Pool(args.process_count) as p:
+                    self.examples = list(
+                        tqdm(
+                            p.imap(preprocess_data, data, chunksize=chunksize),
+                            total=len(data),
+                            disable=args.silent,
+                        )
+                    )
+            else:
+                self.examples = [preprocess_data(d) for d in tqdm(data, disable=args.silent)]
+            if not args.no_cache:
+                logger.info(" Saving features into cached file %s" % cached_features_file)
+                with open(cached_features_file, "wb") as handle:
+                    pickle.dump(self.examples, handle, protocol=pickle.HIGHEST_PROTOCOL)
+
+    def __len__(self):
+        return len(self.examples)
+
+    def __getitem__(self, index):
+        return self.examples[index]
+
+
+def dynamic_lcs(X, Y):
+    # find the length of the strings
+    m = len(X)
+    n = len(Y)
+
+    # declaring the array for storing the dp values
+    L = [[None] * (n + 1) for i in range(m + 1)]
+
+    """Following steps build L[m + 1][n + 1] in bottom up fashion
+    Note: L[i][j] contains length of LCS of X[0..i-1]
+    and Y[0..j-1]"""
+    for i in range(m + 1):
+        for j in range(n + 1):
+            if i == 0 or j == 0:
+                L[i][j] = 0
+            elif X[i - 1] == Y[j - 1]:
+                L[i][j] = L[i - 1][j - 1] + 1
+            else:
+                L[i][j] = max(L[i - 1][j], L[i][j - 1])
+
+    # L[m][n] contains the length of LCS of X[0..n-1] & Y[0..m-1]
+    return L[m][n]
+
+
+def f1_sim(text_a, text_b):
+    """F1相似度
+    说明：算出两个文本的最长公共子序列长度，然后乘2并处以两者
+    长度之和。
+    脚本见：https://github.com/CLUEbenchmark/pCLUE/blob/main/evaluate_pclue.py
+    计算pCLUE任务总分，及子分数
+    """
+    if not text_a and not text_b:
+        return 0.
+    lcs_len = dynamic_lcs(text_a, text_b)
+    return 2. * lcs_len / (len(text_a) + len(text_b))
+
+
+def rouge_l_zh(target, pred):
+    """计算Rouge-l得分，Rouge-l指标常用于评估自动文本摘要及翻译任务
+    target: 真实标签
+    pred: 预测标签"""
+
+    if not (isinstance(target, str) or isinstance(pred, str)):
+        logger.error("target或pred为非字符串！请检查!")
+        return 0
+    rouge = Rouge()
+    scores = rouge.get_scores(" ".join(list(pred)), " ".join(list(target)))
+    score = scores[0]["rouge-l"]
+    return score["f"]
+
+
+if __name__ == '__main__':
+    a = '123444'
+    b = '23411'
+    print(f1_sim(a, b))
+    print(dynamic_lcs(a, b))