コード例 #1
0
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser((ModelArguments, DataTrainingArguments,
                               TrainingArguments, MultiLingAdapterArguments))

    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
        # If we pass only one argument to the script and it's the path to a json file,
        # let's parse it to get our arguments.
        model_args, data_args, training_args, adapter_args = parser.parse_json_file(
            json_file=os.path.abspath(sys.argv[1]))
    else:
        model_args, data_args, training_args, adapter_args = parser.parse_args_into_dataclasses(
        )

    if (os.path.exists(training_args.output_dir)
            and os.listdir(training_args.output_dir) and training_args.do_train
            and not training_args.overwrite_output_dir):
        raise ValueError(
            f"Output directory ({training_args.output_dir}) already exists and is not empty. "
            "Use --overwrite_output_dir to overcome.")

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s -   %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        level=logging.INFO
        if is_main_process(training_args.local_rank) else logging.WARN,
    )

    # Log on each process the small summary:
    logger.warning(
        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}"
        +
        f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
    )
    # Set the verbosity to info of the Transformers logger (on main process only):
    if is_main_process(training_args.local_rank):
        transformers.utils.logging.set_verbosity_info()
    logger.info(f"Training/evaluation parameters {training_args}")

    # Set seed before initializing model.
    set_seed(training_args.seed)

    # Get the datasets: you can either provide your own CSV/JSON training and evaluation files (see below)
    # or specify a GLUE benchmark task (the dataset will be downloaded automatically from the datasets Hub).
    #
    # For CSV/JSON files, this script will use as labels the column called 'label' and as pair of sentences the
    # sentences in columns called 'sentence1' and 'sentence2' if such column exists or the first two columns not named
    # label if at least two columns are provided.
    #
    # If the CSVs/JSONs contain only one non-label column, the script does single sentence classification on this
    # single column. You can easily tweak this behavior (see below)
    #
    # In distributed training, the load_dataset function guarantee that only one local process can concurrently
    # download the dataset.
    if data_args.task_name is not None:
        # Downloading and loading a dataset from the hub.
        datasets = load_dataset("glue", data_args.task_name)
    elif data_args.train_file.endswith(".csv"):
        # Loading a dataset from local csv files
        datasets = load_dataset("csv",
                                data_files={
                                    "train": data_args.train_file,
                                    "validation": data_args.validation_file
                                })
    else:
        # Loading a dataset from local json files
        datasets = load_dataset("json",
                                data_files={
                                    "train": data_args.train_file,
                                    "validation": data_args.validation_file
                                })
    # See more about loading any type of standard or custom dataset at
    # https://huggingface.co/docs/datasets/loading_datasets.html.

    # Labels
    label_list = None
    if data_args.task_name is not None:
        is_regression = data_args.task_name == "stsb"
        if not is_regression:
            label_list = datasets["train"].features["label"].names
            num_labels = len(label_list)
        else:
            num_labels = 1
    else:
        # Trying to have good defaults here, don't hesitate to tweak to your needs.
        is_regression = datasets["train"].features["label"].dtype in [
            "float32", "float64"
        ]
        if is_regression:
            num_labels = 1
        else:
            # A useful fast method:
            # https://huggingface.co/docs/datasets/package_reference/main_classes.html#datasets.Dataset.unique
            label_list = datasets["train"].unique("label")
            label_list.sort()  # Let's sort it for determinism
            num_labels = len(label_list)

    # Load pretrained model and tokenizer
    #
    # In distributed training, the .from_pretrained methods guarantee that only one local process can concurrently
    # download model & vocab.
    config = AutoConfig.from_pretrained(
        model_args.config_name
        if model_args.config_name else model_args.model_name_or_path,
        num_labels=num_labels,
        finetuning_task=data_args.task_name,
        cache_dir=model_args.cache_dir,
    )
    tokenizer = AutoTokenizer.from_pretrained(
        model_args.tokenizer_name
        if model_args.tokenizer_name else model_args.model_name_or_path,
        cache_dir=model_args.cache_dir,
        use_fast=model_args.use_fast_tokenizer,
    )
    # We use the AutoModelWithHeads class here for better adapter support.
    model = AutoModelWithHeads.from_pretrained(
        model_args.model_name_or_path,
        from_tf=bool(".ckpt" in model_args.model_name_or_path),
        config=config,
        cache_dir=model_args.cache_dir,
    )
    model.add_classification_head(
        data_args.task_name or "glue",
        num_labels=num_labels,
        id2label={i: v
                  for i, v in enumerate(label_list)}
        if num_labels > 0 else None,
    )

    # Setup adapters
    if adapter_args.train_adapter:
        task_name = data_args.task_name or "glue"
        # check if adapter already exists, otherwise add it
        if task_name not in model.config.adapters:
            # resolve the adapter config
            adapter_config = AdapterConfig.load(
                adapter_args.adapter_config,
                non_linearity=adapter_args.adapter_non_linearity,
                reduction_factor=adapter_args.adapter_reduction_factor,
            )
            # load a pre-trained from Hub if specified
            if adapter_args.load_adapter:
                model.load_adapter(
                    adapter_args.load_adapter,
                    config=adapter_config,
                    load_as=task_name,
                )
            # otherwise, add a fresh adapter
            else:
                model.add_adapter(task_name, config=adapter_config)
        # optionally load a pre-trained language adapter
        if adapter_args.load_lang_adapter:
            # resolve the language adapter config
            lang_adapter_config = AdapterConfig.load(
                adapter_args.lang_adapter_config,
                non_linearity=adapter_args.lang_adapter_non_linearity,
                reduction_factor=adapter_args.lang_adapter_reduction_factor,
            )
            # load the language adapter from Hub
            lang_adapter_name = model.load_adapter(
                adapter_args.load_lang_adapter,
                config=lang_adapter_config,
                load_as=adapter_args.language,
            )
        else:
            lang_adapter_name = None
        # Freeze all model weights except of those of this adapter
        model.train_adapter([task_name])
        # Set the adapters to be used in every forward pass
        if lang_adapter_name:
            model.set_active_adapters([lang_adapter_name, task_name])
        else:
            model.set_active_adapters([task_name])
    else:
        if adapter_args.load_adapter or adapter_args.load_lang_adapter:
            raise ValueError(
                "Adapters can only be loaded in adapters training mode."
                "Use --train_adapter to enable adapter training")

    # Preprocessing the datasets
    if data_args.task_name is not None:
        sentence1_key, sentence2_key = task_to_keys[data_args.task_name]
    else:
        # Again, we try to have some nice defaults but don't hesitate to tweak to your use case.
        non_label_column_names = [
            name for name in datasets["train"].column_names if name != "label"
        ]
        if "sentence1" in non_label_column_names and "sentence2" in non_label_column_names:
            sentence1_key, sentence2_key = "sentence1", "sentence2"
        else:
            if len(non_label_column_names) >= 2:
                sentence1_key, sentence2_key = non_label_column_names[:2]
            else:
                sentence1_key, sentence2_key = non_label_column_names[0], None

    # Padding strategy
    if data_args.pad_to_max_length:
        padding = "max_length"
        max_length = data_args.max_seq_length
    else:
        # We will pad later, dynamically at batch creation, to the max sequence length in each batch
        padding = False
        max_length = None

    # Some models have set the order of the labels to use, so let's make sure we do use it.
    label_to_id = None
    if (model.config.label2id !=
            PretrainedConfig(num_labels=num_labels).label2id
            and data_args.task_name is not None and is_regression):
        # Some have all caps in their config, some don't.
        label_name_to_id = {
            k.lower(): v
            for k, v in model.config.label2id.items()
        }
        if list(sorted(label_name_to_id.keys())) == list(sorted(label_list)):
            label_to_id = {
                i: label_name_to_id[label_list[i]]
                for i in range(num_labels)
            }
        else:
            logger.warn(
                "Your model seems to have been trained with labels, but they don't match the dataset: ",
                f"model labels: {list(sorted(label_name_to_id.keys()))}, dataset labels: {list(sorted(label_list))}."
                "\nIgnoring the model labels as a result.",
            )
    elif data_args.task_name is None:
        label_to_id = {v: i for i, v in enumerate(label_list)}

    def preprocess_function(examples):
        # Tokenize the texts
        args = ((examples[sentence1_key], ) if sentence2_key is None else
                (examples[sentence1_key], examples[sentence2_key]))
        result = tokenizer(*args,
                           padding=padding,
                           max_length=max_length,
                           truncation=True)

        # Map labels to IDs (not necessary for GLUE tasks)
        if label_to_id is not None and "label" in examples:
            result["label"] = [label_to_id[l] for l in examples["label"]]
        return result

    datasets = datasets.map(preprocess_function,
                            batched=True,
                            load_from_cache_file=not data_args.overwrite_cache)

    train_dataset = datasets["train"]
    eval_dataset = datasets["validation_matched" if data_args.task_name ==
                            "mnli" else "validation"]
    if data_args.task_name is not None:
        test_dataset = datasets["test_matched" if data_args.task_name ==
                                "mnli" else "test"]

    # Log a few random samples from the training set:
    for index in random.sample(range(len(train_dataset)), 3):
        logger.info(
            f"Sample {index} of the training set: {train_dataset[index]}.")

    # Get the metric function
    if data_args.task_name is not None:
        metric = load_metric("glue", data_args.task_name)
    # TODO: When datasets metrics include regular accuracy, make an else here and remove special branch from
    # compute_metrics

    # You can define your custom compute_metrics function. It takes an `EvalPrediction` object (a namedtuple with a
    # predictions and label_ids field) and has to return a dictionary string to float.
    def compute_metrics(p: EvalPrediction):
        preds = p.predictions[0] if isinstance(p.predictions,
                                               tuple) else p.predictions
        preds = np.squeeze(preds) if is_regression else np.argmax(preds,
                                                                  axis=1)
        if data_args.task_name is not None:
            result = metric.compute(predictions=preds, references=p.label_ids)
            if len(result) > 1:
                result["combined_score"] = np.mean(list(
                    result.values())).item()
            return result
        elif is_regression:
            return {"mse": ((preds - p.label_ids)**2).mean().item()}
        else:
            return {
                "accuracy":
                (preds == p.label_ids).astype(np.float32).mean().item()
            }

    # Initialize our Trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=train_dataset,
        eval_dataset=eval_dataset if training_args.do_eval else None,
        compute_metrics=compute_metrics,
        tokenizer=tokenizer,
        # Data collator will default to DataCollatorWithPadding, so we change it if we already did the padding.
        data_collator=default_data_collator
        if data_args.pad_to_max_length else None,
        do_save_full_model=not adapter_args.train_adapter,
        do_save_adapters=adapter_args.train_adapter,
    )

    # Training
    if training_args.do_train:
        trainer.train(model_path=model_args.model_name_or_path if os.path.
                      isdir(model_args.model_name_or_path) else None)
        trainer.save_model()  # Saves the tokenizer too for easy upload

    # Evaluation
    eval_results = {}
    if training_args.do_eval:
        logger.info("*** Evaluate ***")

        # Loop to handle MNLI double evaluation (matched, mis-matched)
        tasks = [data_args.task_name]
        eval_datasets = [eval_dataset]
        if data_args.task_name == "mnli":
            tasks.append("mnli-mm")
            eval_datasets.append(datasets["validation_mismatched"])

        for eval_dataset, task in zip(eval_datasets, tasks):
            eval_result = trainer.evaluate(eval_dataset=eval_dataset)

            output_eval_file = os.path.join(training_args.output_dir,
                                            f"eval_results_{task}.txt")
            if trainer.is_world_process_zero():
                with open(output_eval_file, "w") as writer:
                    logger.info(f"***** Eval results {task} *****")
                    for key, value in eval_result.items():
                        logger.info(f"  {key} = {value}")
                        writer.write(f"{key} = {value}\n")

            eval_results.update(eval_result)

    if training_args.do_predict:
        logger.info("*** Test ***")

        # Loop to handle MNLI double evaluation (matched, mis-matched)
        tasks = [data_args.task_name]
        test_datasets = [test_dataset]
        if data_args.task_name == "mnli":
            tasks.append("mnli-mm")
            test_datasets.append(datasets["test_mismatched"])

        for test_dataset, task in zip(test_datasets, tasks):
            # Removing the `label` columns because it contains -1 and Trainer won't like that.
            test_dataset.remove_columns_("label")
            predictions = trainer.predict(
                test_dataset=test_dataset).predictions
            predictions = np.squeeze(
                predictions) if is_regression else np.argmax(predictions,
                                                             axis=1)

            output_test_file = os.path.join(training_args.output_dir,
                                            f"test_results_{task}.txt")
            if trainer.is_world_process_zero():
                with open(output_test_file, "w") as writer:
                    logger.info(f"***** Test results {task} *****")
                    writer.write("index\tprediction\n")
                    for index, item in enumerate(predictions):
                        if is_regression:
                            writer.write(f"{index}\t{item:3.3f}\n")
                        else:
                            item = label_list[item]
                            writer.write(f"{index}\t{item}\n")
    return eval_results
コード例 #2
0
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser(
        (ModelArguments, DataTrainingArguments, TrainingArguments))
    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
        # If we pass only one argument to the script and it's the path to a json file,
        # let's parse it to get our arguments.
        model_args, data_args, training_args = parser.parse_json_file(
            json_file=os.path.abspath(sys.argv[1]))
    else:
        model_args, data_args, training_args = parser.parse_args_into_dataclasses(
        )

    if (os.path.exists(training_args.output_dir)
            and os.listdir(training_args.output_dir) and training_args.do_train
            and not training_args.overwrite_output_dir):
        raise ValueError(
            f"Output directory ({training_args.output_dir}) already exists and is not empty."
            "Use --overwrite_output_dir to overcome.")

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s -   %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        level=logging.INFO
        if is_main_process(training_args.local_rank) else logging.WARN,
    )

    # Log on each process the small summary:
    logger.warning(
        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}"
        +
        f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
    )
    # Set the verbosity to info of the Transformers logger (on main process only):
    if is_main_process(training_args.local_rank):
        transformers.utils.logging.set_verbosity_info()
    logger.info("Training/evaluation parameters %s", training_args)

    # Set seed before initializing model.
    set_seed(training_args.seed)

    # Get the datasets: you can either provide your own CSV/JSON/TXT training and evaluation files (see below)
    # or just provide the name of one of the public datasets available on the hub at https://huggingface.co/datasets/
    # (the dataset will be downloaded automatically from the datasets Hub
    #
    # For CSV/JSON files, this script will use the column called 'text' or the first column. You can easily tweak this
    # behavior (see below)
    #
    # In distributed training, the load_dataset function guarantee that only one local process can concurrently
    # download the dataset.
    if data_args.dataset_name is not None:
        # Downloading and loading a dataset from the hub.
        datasets = load_dataset(data_args.dataset_name,
                                data_args.dataset_config_name)
    else:
        data_files = {}
        if data_args.train_file is not None:
            data_files["train"] = data_args.train_file
        if data_args.validation_file is not None:
            data_files["validation"] = data_args.validation_file
        extension = data_args.train_file.split(".")[-1]
        if extension == "txt":
            extension = "text"
        datasets = load_dataset(extension, data_files=data_files)
    # See more about loading any type of standard or custom dataset (from files, python dict, pandas DataFrame, etc) at
    # https://huggingface.co/docs/datasets/loading_datasets.html.

    # Load pretrained model and tokenizer
    #
    # Distributed training:
    # The .from_pretrained methods guarantee that only one local process can concurrently
    # download model & vocab.
    if model_args.config_name:
        config = AutoConfig.from_pretrained(model_args.config_name,
                                            cache_dir=model_args.cache_dir)
    elif model_args.model_name_or_path:
        config = AutoConfig.from_pretrained(model_args.model_name_or_path,
                                            cache_dir=model_args.cache_dir)
    else:
        config = CONFIG_MAPPING[model_args.model_type]()
        logger.warning(
            "You are instantiating a new config instance from scratch.")

    if model_args.tokenizer_name:
        tokenizer = AutoTokenizer.from_pretrained(
            model_args.tokenizer_name,
            cache_dir=model_args.cache_dir,
            use_fast=model_args.use_fast_tokenizer)
    elif model_args.model_name_or_path:
        tokenizer = AutoTokenizer.from_pretrained(
            model_args.model_name_or_path,
            cache_dir=model_args.cache_dir,
            use_fast=model_args.use_fast_tokenizer)
    else:
        raise ValueError(
            "You are instantiating a new tokenizer from scratch. This is not supported by this script."
            "You can do it from another script, save it, and load it from here, using --tokenizer_name."
        )

    if model_args.model_name_or_path:
        #        model = AutoModelForMaskedLM.from_pretrained(
        #            '/home/projects/11001765/wenjuan/stable_pretrain/adapter-transformers/examples/my/temp_adpt_checkpoints/temp_adpt_checkpoints/CoLA_0/checkpoint-1/cola/pytorch_adapter.bin',
        #            from_tf=False,
        #            config=config,
        #            cache_dir=model_args.cache_dir,
        #        )
        model = AutoModelForMaskedLM.from_pretrained(
            model_args.model_name_or_path,
            from_tf=bool(".ckpt" in model_args.model_name_or_path),
            config=config,
            cache_dir=model_args.cache_dir,
        )
    else:
        logger.info("Training new model from scratch")
        model = AutoModelForMaskedLM.from_config(config)

##########################################################################TODO :hanw
# Setup adapters
    if True:  #adapter_args.train_adapter:
        task_name = 'task_checkpoint_file'  #'cola' #data_args.task_name
        # check if adapter already exists, otherwise add it
        if True:  #task_name not in model.config.adapters.adapter_list(AdapterType.text_task):
            # resolve the adapter config
            adapter_config = AdapterConfig.load(
                'houlsby',
                non_linearity=None,
                reduction_factor=None,
            )
            # load a pre-trained from Hub if specified
            if False:  #adapter_args.load_adapter:
                model.load_adapter(
                    adapter_args.load_adapter,
                    AdapterType.text_task,
                    config=adapter_config,
                    load_as=task_name,
                )
            # otherwise, add a fresh adapter
            else:
                model.add_adapter(task_name,
                                  AdapterType.text_task,
                                  config=adapter_config)
        # optionally load a pre-trained language adapter

        lang_adapter_name = None
        # Freeze all model weights except of those of this adapter
        model.train_adapter([task_name])
        # Set the adapters to be used in every forward pass
        if lang_adapter_name:
            model.set_active_adapters([lang_adapter_name, task_name])
        else:
            model.set_active_adapters([task_name])


##########################################################################
    model.resize_token_embeddings(len(tokenizer))
    # Preprocessing the datasets.
    # First we tokenize all the texts.
    if training_args.do_train:
        column_names = datasets["train"].column_names
    else:
        column_names = datasets["validation"].column_names
    text_column_name = "text" if "text" in column_names else column_names[0]

    if data_args.line_by_line:
        # When using line_by_line, we just tokenize each nonempty line.
        padding = "max_length" if data_args.pad_to_max_length else False

        def tokenize_function(examples):
            # Remove empty lines
            examples["text"] = [
                line for line in examples["text"]
                if len(line) > 0 and not line.isspace()
            ]
            return tokenizer(
                examples["text"],
                padding=padding,
                truncation=True,
                max_length=data_args.max_seq_length,
                # We use this option because DataCollatorForLanguageModeling (see below) is more efficient when it
                # receives the `special_tokens_mask`.
                return_special_tokens_mask=True,
            )

        tokenized_datasets = datasets.map(
            tokenize_function,
            batched=True,
            num_proc=data_args.preprocessing_num_workers,
            remove_columns=[text_column_name],
            load_from_cache_file=not data_args.overwrite_cache,
        )
    else:
        # Otherwise, we tokenize every text, then concatenate them together before splitting them in smaller parts.
        # We use `return_special_tokens_mask=True` because DataCollatorForLanguageModeling (see below) is more
        # efficient when it receives the `special_tokens_mask`.
        def tokenize_function(examples):
            return tokenizer(examples[text_column_name],
                             return_special_tokens_mask=True)

        tokenized_datasets = datasets.map(
            tokenize_function,
            batched=True,
            num_proc=data_args.preprocessing_num_workers,
            remove_columns=[text_column_name],
            load_from_cache_file=not data_args.overwrite_cache,
        )

        if data_args.max_seq_length is None:
            max_seq_length = tokenizer.model_max_length
        else:
            if data_args.max_seq_length > tokenizer.model_max_length:
                logger.warn(
                    f"The max_seq_length passed ({data_args.max_seq_length}) is larger than the maximum length for the"
                    f"model ({tokenizer.model_max_length}). Using max_seq_length={tokenizer.model_max_length}."
                )
            max_seq_length = min(data_args.max_seq_length,
                                 tokenizer.model_max_length)

        # Main data processing function that will concatenate all texts from our dataset and generate chunks of
        # max_seq_length.
        def group_texts(examples):
            # Concatenate all texts.
            concatenated_examples = {
                k: sum(examples[k], [])
                for k in examples.keys()
            }
            total_length = len(concatenated_examples[list(examples.keys())[0]])
            # We drop the small remainder, we could add padding if the model supported it instead of this drop, you can
            # customize this part to your needs.
            total_length = (total_length // max_seq_length) * max_seq_length
            # Split by chunks of max_len.
            result = {
                k: [
                    t[i:i + max_seq_length]
                    for i in range(0, total_length, max_seq_length)
                ]
                for k, t in concatenated_examples.items()
            }
            return result

        # Note that with `batched=True`, this map processes 1,000 texts together, so group_texts throws away a
        # remainder for each of those groups of 1,000 texts. You can adjust that batch_size here but a higher value
        # might be slower to preprocess.
        #
        # To speed up this part, we use multiprocessing. See the documentation of the map method for more information:
        # https://huggingface.co/docs/datasets/package_reference/main_classes.html#datasets.Dataset.map
        tokenized_datasets = tokenized_datasets.map(
            group_texts,
            batched=True,
            num_proc=data_args.preprocessing_num_workers,
            load_from_cache_file=not data_args.overwrite_cache,
        )

    # Data collator
    # This one will take care of randomly masking the tokens.
    data_collator = DataCollatorForLanguageModeling(
        tokenizer=tokenizer, mlm_probability=data_args.mlm_probability)

    # Initialize our Trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=tokenized_datasets["train"]
        if training_args.do_train else None,
        eval_dataset=tokenized_datasets["validation"]
        if training_args.do_eval else None,
        tokenizer=tokenizer,
        data_collator=data_collator,
        do_save_full_model=False,
        do_save_adapters=True,
    )

    # Training
    if training_args.do_train:
        trainer.train(model_path=model_args.model_name_or_path if os.path.
                      isdir(model_args.model_name_or_path) else None)
        trainer.save_model()  # Saves the tokenizer too for easy upload

    # Evaluation
    results = {}
    if training_args.do_eval:
        logger.info("*** Evaluate ***")

        eval_output = trainer.evaluate()

        perplexity = math.exp(eval_output["eval_loss"])
        results["perplexity"] = perplexity

        output_eval_file = os.path.join(training_args.output_dir,
                                        "eval_results_mlm.txt")
        if trainer.is_world_process_zero():
            with open(output_eval_file, "w") as writer:
                logger.info("***** Eval results *****")
                for key, value in results.items():
                    logger.info(f"  {key} = {value}")
                    writer.write(f"{key} = {value}\n")

    return results
コード例 #3
0
model = AutoModelForSequenceClassification.from_pretrained(model_checkpoint, num_labels=num_labels)

args = TrainingArguments(
    "test-glue",
    evaluation_strategy = "epoch",
    learning_rate=learning_rate,
    per_device_train_batch_size=batch_size,
    per_device_eval_batch_size=batch_size,
    num_train_epochs=epochs,
    weight_decay=weight_decay,
    load_best_model_at_end=True,
    metric_for_best_model="matthews_correlation",
)

def compute_metrics(eval_pred):
    predictions, labels = eval_pred
    predictions = predictions[:, 0]
    return metric.compute(predictions=predictions, references=labels)

trainer = Trainer(
    model,
    args,
    train_dataset=encoded_dataset["train"],
    eval_dataset=encoded_dataset["validation"],
    tokenizer=tokenizer,
    compute_metrics=compute_metrics
)

trainer.train()
trainer.evaluate()
コード例 #4
0
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser(
        (ModelArguments, DataTrainingArguments, TrainingArguments))
    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
        # If we pass only one argument to the script and it's the path to a json file,
        # let's parse it to get our arguments.
        model_args, data_args, training_args = parser.parse_json_file(
            json_file=os.path.abspath(sys.argv[1]))
    else:
        model_args, data_args, training_args = parser.parse_args_into_dataclasses(
        )

    # Detecting last checkpoint.
    last_checkpoint = None
    if os.path.isdir(
            training_args.output_dir
    ) and training_args.do_train and not training_args.overwrite_output_dir:
        last_checkpoint = get_last_checkpoint(training_args.output_dir)
        if last_checkpoint is None and len(os.listdir(
                training_args.output_dir)) > 0:
            raise ValueError(
                f"Output directory ({training_args.output_dir}) already exists and is not empty. "
                "Use --overwrite_output_dir to overcome.")
        elif last_checkpoint is not None and training_args.resume_from_checkpoint is None:
            logger.info(
                f"Checkpoint detected, resuming training at {last_checkpoint}. To avoid this behavior, change "
                "the `--output_dir` or add `--overwrite_output_dir` to train from scratch."
            )

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s -   %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        handlers=[logging.StreamHandler(sys.stdout)],
    )
    logger.setLevel(logging.INFO if is_main_process(training_args.local_rank
                                                    ) else logging.WARN)

    # Log on each process the small summary:
    logger.warning(
        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}"
        +
        f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
    )
    # Set the verbosity to info of the Transformers logger (on main process only):
    if is_main_process(training_args.local_rank):
        transformers.utils.logging.set_verbosity_info()
        transformers.utils.logging.enable_default_handler()
        transformers.utils.logging.enable_explicit_format()
    logger.info(f"Training/evaluation parameters {training_args}")

    # Set seed before initializing model.
    set_seed(training_args.seed)

    # Get the datasets: you can either provide your own CSV/JSON/TXT training and evaluation files (see below)
    # or just provide the name of one of the public datasets available on the hub at https://huggingface.co/datasets/
    # (the dataset will be downloaded automatically from the datasets Hub).

    # For CSV/JSON files, this script will use the column called 'text' or the first column if no column called
    # 'text' is found. You can easily tweak this behavior (see below).

    # In distributed training, the load_dataset function guarantee that only one local process can concurrently
    # download the dataset.
    if data_args.train_file is not None or data_args.validation_file is not None:
        data_files = {}
        if data_args.train_file is not None:
            data_files["train"] = data_args.train_file
        if data_args.validation_file is not None:
            data_files["validation"] = data_args.validation_file
        extension = data_args.train_file.split(".")[-1]
        datasets = load_dataset(extension,
                                data_files=data_files,
                                cache_dir=model_args.cache_dir)
    else:
        # Downloading and loading the swag dataset from the hub.
        datasets = load_dataset("swag",
                                "regular",
                                cache_dir=model_args.cache_dir)
    # See more about loading any type of standard or custom dataset (from files, python dict, pandas DataFrame, etc) at
    # https://huggingface.co/docs/datasets/loading_datasets.html.

    # Load pretrained model and tokenizer

    # Distributed training:
    # The .from_pretrained methods guarantee that only one local process can concurrently
    # download model & vocab.
    config = AutoConfig.from_pretrained(
        model_args.config_name
        if model_args.config_name else model_args.model_name_or_path,
        cache_dir=model_args.cache_dir,
        revision=model_args.model_revision,
        use_auth_token=True if model_args.use_auth_token else None,
    )
    tokenizer = AutoTokenizer.from_pretrained(
        model_args.tokenizer_name
        if model_args.tokenizer_name else model_args.model_name_or_path,
        cache_dir=model_args.cache_dir,
        use_fast=model_args.use_fast_tokenizer,
        revision=model_args.model_revision,
        use_auth_token=True if model_args.use_auth_token else None,
    )
    model = AutoModelForMultipleChoice.from_pretrained(
        model_args.model_name_or_path,
        from_tf=bool(".ckpt" in model_args.model_name_or_path),
        config=config,
        cache_dir=model_args.cache_dir,
        revision=model_args.model_revision,
        use_auth_token=True if model_args.use_auth_token else None,
    )

    # When using your own dataset or a different dataset from swag, you will probably need to change this.
    ending_names = [f"ending{i}" for i in range(4)]
    context_name = "sent1"
    question_header_name = "sent2"

    if data_args.max_seq_length is None:
        max_seq_length = tokenizer.model_max_length
        if max_seq_length > 1024:
            logger.warning(
                f"The tokenizer picked seems to have a very large `model_max_length` ({tokenizer.model_max_length}). "
                "Picking 1024 instead. You can change that default value by passing --max_seq_length xxx."
            )
            max_seq_length = 1024
    else:
        if data_args.max_seq_length > tokenizer.model_max_length:
            logger.warning(
                f"The max_seq_length passed ({data_args.max_seq_length}) is larger than the maximum length for the"
                f"model ({tokenizer.model_max_length}). Using max_seq_length={tokenizer.model_max_length}."
            )
        max_seq_length = min(data_args.max_seq_length,
                             tokenizer.model_max_length)

    # Preprocessing the datasets.
    def preprocess_function(examples):
        first_sentences = [[context] * 4 for context in examples[context_name]]
        question_headers = examples[question_header_name]
        second_sentences = [[
            f"{header} {examples[end][i]}" for end in ending_names
        ] for i, header in enumerate(question_headers)]

        # Flatten out
        first_sentences = sum(first_sentences, [])
        second_sentences = sum(second_sentences, [])

        # Tokenize
        tokenized_examples = tokenizer(
            first_sentences,
            second_sentences,
            truncation=True,
            max_length=max_seq_length,
            padding="max_length" if data_args.pad_to_max_length else False,
        )
        # Un-flatten
        return {
            k: [v[i:i + 4] for i in range(0, len(v), 4)]
            for k, v in tokenized_examples.items()
        }

    if training_args.do_train:
        if "train" not in datasets:
            raise ValueError("--do_train requires a train dataset")
        train_dataset = datasets["train"]
        if data_args.max_train_samples is not None:
            train_dataset = train_dataset.select(
                range(data_args.max_train_samples))
        train_dataset = train_dataset.map(
            preprocess_function,
            batched=True,
            num_proc=data_args.preprocessing_num_workers,
            load_from_cache_file=not data_args.overwrite_cache,
        )

    if training_args.do_eval:
        if "validation" not in datasets:
            raise ValueError("--do_eval requires a validation dataset")
        eval_dataset = datasets["validation"]
        if data_args.max_eval_samples is not None:
            eval_dataset = eval_dataset.select(
                range(data_args.max_eval_samples))
        eval_dataset = eval_dataset.map(
            preprocess_function,
            batched=True,
            num_proc=data_args.preprocessing_num_workers,
            load_from_cache_file=not data_args.overwrite_cache,
        )

    # Data collator
    data_collator = (default_data_collator if data_args.pad_to_max_length else
                     DataCollatorForMultipleChoice(
                         tokenizer=tokenizer,
                         pad_to_multiple_of=8 if training_args.fp16 else None))

    # Metric
    def compute_metrics(eval_predictions):
        predictions, label_ids = eval_predictions
        preds = np.argmax(predictions, axis=1)
        return {
            "accuracy": (preds == label_ids).astype(np.float32).mean().item()
        }

    # Initialize our Trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=train_dataset if training_args.do_train else None,
        eval_dataset=eval_dataset if training_args.do_eval else None,
        tokenizer=tokenizer,
        data_collator=data_collator,
        compute_metrics=compute_metrics,
    )

    # Training
    if training_args.do_train:
        checkpoint = None
        if training_args.resume_from_checkpoint is not None:
            checkpoint = training_args.resume_from_checkpoint
        elif last_checkpoint is not None:
            checkpoint = last_checkpoint
        train_result = trainer.train(resume_from_checkpoint=checkpoint)
        trainer.save_model()  # Saves the tokenizer too for easy upload
        metrics = train_result.metrics

        max_train_samples = (data_args.max_train_samples
                             if data_args.max_train_samples is not None else
                             len(train_dataset))
        metrics["train_samples"] = min(max_train_samples, len(train_dataset))

        trainer.log_metrics("train", metrics)
        trainer.save_metrics("train", metrics)
        trainer.save_state()

    # Evaluation
    if training_args.do_eval:
        logger.info("*** Evaluate ***")

        metrics = trainer.evaluate()
        max_eval_samples = data_args.max_eval_samples if data_args.max_eval_samples is not None else len(
            eval_dataset)
        metrics["eval_samples"] = min(max_eval_samples, len(eval_dataset))

        trainer.log_metrics("eval", metrics)
        trainer.save_metrics("eval", metrics)

    if training_args.push_to_hub:
        trainer.push_to_hub(
            finetuned_from=model_args.model_name_or_path,
            tags="multiple-choice",
            dataset_tags="swag",
            dataset_args="regular",
            dataset="SWAG",
            language="en",
        )
コード例 #5
0
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser((ModelArguments, DataTrainingArguments, TrainingArguments))
    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
        # If we pass only one argument to the script and it's the path to a json file,
        # let's parse it to get our arguments.
        model_args, data_args, training_args = parser.parse_json_file(json_file=os.path.abspath(sys.argv[1]))
    else:
        model_args, data_args, training_args = parser.parse_args_into_dataclasses()

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s - %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        handlers=[logging.StreamHandler(sys.stdout)],
    )

    log_level = training_args.get_process_log_level()
    logger.setLevel(log_level)
    transformers.utils.logging.set_verbosity(log_level)
    transformers.utils.logging.enable_default_handler()
    transformers.utils.logging.enable_explicit_format()

    # Log on each process the small summary:
    logger.warning(
        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu} "
        + f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
    )
    logger.info(f"Training/evaluation parameters {training_args}")

    # Set seed before initializing model.
    set_seed(training_args.seed)

    # Detecting last checkpoint.
    last_checkpoint = None
    if os.path.isdir(training_args.output_dir) and training_args.do_train and not training_args.overwrite_output_dir:
        last_checkpoint = get_last_checkpoint(training_args.output_dir)
        if last_checkpoint is None and len(os.listdir(training_args.output_dir)) > 0:
            raise ValueError(
                f"Output directory ({training_args.output_dir}) already exists and is not empty. "
                "Use --overwrite_output_dir to train from scratch."
            )
        elif last_checkpoint is not None and training_args.resume_from_checkpoint is None:
            logger.info(
                f"Checkpoint detected, resuming training at {last_checkpoint}. To avoid this behavior, change "
                "the `--output_dir` or add `--overwrite_output_dir` to train from scratch."
            )

    # Initialize our dataset and prepare it for the audio classification task.
    raw_datasets = DatasetDict()
    raw_datasets["train"] = load_dataset(
        data_args.dataset_name, data_args.dataset_config_name, split=data_args.train_split_name
    )
    raw_datasets["eval"] = load_dataset(
        data_args.dataset_name, data_args.dataset_config_name, split=data_args.eval_split_name
    )

    if data_args.audio_column_name not in raw_datasets["train"].column_names:
        raise ValueError(
            f"--audio_column_name {data_args.audio_column_name} not found in dataset '{data_args.dataset_name}'. "
            "Make sure to set `--audio_column_name` to the correct audio column - one of "
            f"{', '.join(raw_datasets['train'].column_names)}."
        )

    if data_args.label_column_name not in raw_datasets["train"].column_names:
        raise ValueError(
            f"--label_column_name {data_args.label_column_name} not found in dataset '{data_args.dataset_name}'. "
            "Make sure to set `--label_column_name` to the correct text column - one of "
            f"{', '.join(raw_datasets['train'].column_names)}."
        )

    # Setting `return_attention_mask=True` is the way to get a correctly masked mean-pooling over
    # transformer outputs in the classifier, but it doesn't always lead to better accuracy
    feature_extractor = AutoFeatureExtractor.from_pretrained(
        model_args.feature_extractor_name or model_args.model_name_or_path,
        return_attention_mask=model_args.attention_mask,
        cache_dir=model_args.cache_dir,
        revision=model_args.model_revision,
        use_auth_token=True if model_args.use_auth_token else None,
    )

    # `datasets` takes care of automatically loading and resampling the audio,
    # so we just need to set the correct target sampling rate.
    raw_datasets = raw_datasets.cast_column(
        data_args.audio_column_name, datasets.features.Audio(sampling_rate=feature_extractor.sampling_rate)
    )

    def train_transforms(batch):
        """Apply train_transforms across a batch."""
        output_batch = {"input_values": []}
        for audio in batch[data_args.audio_column_name]:
            wav = random_subsample(
                audio["array"], max_length=data_args.max_length_seconds, sample_rate=feature_extractor.sampling_rate
            )
            output_batch["input_values"].append(wav)
        output_batch["labels"] = [label for label in batch[data_args.label_column_name]]

        return output_batch

    def val_transforms(batch):
        """Apply val_transforms across a batch."""
        output_batch = {"input_values": []}
        for audio in batch[data_args.audio_column_name]:
            wav = audio["array"]
            output_batch["input_values"].append(wav)
        output_batch["labels"] = [label for label in batch[data_args.label_column_name]]

        return output_batch

    # Prepare label mappings.
    # We'll include these in the model's config to get human readable labels in the Inference API.
    labels = raw_datasets["train"].features[data_args.label_column_name].names
    label2id, id2label = dict(), dict()
    for i, label in enumerate(labels):
        label2id[label] = str(i)
        id2label[str(i)] = label

    # Load the accuracy metric from the datasets package
    metric = datasets.load_metric("accuracy")

    # Define our compute_metrics function. It takes an `EvalPrediction` object (a namedtuple with
    # `predictions` and `label_ids` fields) and has to return a dictionary string to float.
    def compute_metrics(eval_pred):
        """Computes accuracy on a batch of predictions"""
        predictions = np.argmax(eval_pred.predictions, axis=1)
        return metric.compute(predictions=predictions, references=eval_pred.label_ids)

    config = AutoConfig.from_pretrained(
        model_args.config_name or model_args.model_name_or_path,
        num_labels=len(labels),
        label2id=label2id,
        id2label=id2label,
        finetuning_task="audio-classification",
        cache_dir=model_args.cache_dir,
        revision=model_args.model_revision,
        use_auth_token=True if model_args.use_auth_token else None,
    )
    model = AutoModelForAudioClassification.from_pretrained(
        model_args.model_name_or_path,
        from_tf=bool(".ckpt" in model_args.model_name_or_path),
        config=config,
        cache_dir=model_args.cache_dir,
        revision=model_args.model_revision,
        use_auth_token=True if model_args.use_auth_token else None,
    )

    # freeze the convolutional waveform encoder
    if model_args.freeze_feature_extractor:
        model.freeze_feature_extractor()

    if training_args.do_train:
        if data_args.max_train_samples is not None:
            raw_datasets["train"] = (
                raw_datasets["train"].shuffle(seed=training_args.seed).select(range(data_args.max_train_samples))
            )
        # Set the training transforms
        raw_datasets["train"].set_transform(train_transforms, output_all_columns=False)

    if training_args.do_eval:
        if data_args.max_eval_samples is not None:
            raw_datasets["eval"] = (
                raw_datasets["eval"].shuffle(seed=training_args.seed).select(range(data_args.max_eval_samples))
            )
        # Set the validation transforms
        raw_datasets["eval"].set_transform(val_transforms, output_all_columns=False)

    # Initialize our trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=raw_datasets["train"] if training_args.do_train else None,
        eval_dataset=raw_datasets["eval"] if training_args.do_eval else None,
        compute_metrics=compute_metrics,
        tokenizer=feature_extractor,
    )

    # Training
    if training_args.do_train:
        checkpoint = None
        if training_args.resume_from_checkpoint is not None:
            checkpoint = training_args.resume_from_checkpoint
        elif last_checkpoint is not None:
            checkpoint = last_checkpoint
        train_result = trainer.train(resume_from_checkpoint=checkpoint)
        trainer.save_model()
        trainer.log_metrics("train", train_result.metrics)
        trainer.save_metrics("train", train_result.metrics)
        trainer.save_state()

    # Evaluation
    if training_args.do_eval:
        metrics = trainer.evaluate()
        trainer.log_metrics("eval", metrics)
        trainer.save_metrics("eval", metrics)

    # Write model card and (optionally) push to hub
    kwargs = {
        "finetuned_from": model_args.model_name_or_path,
        "tasks": "audio-classification",
        "dataset": data_args.dataset_name,
        "tags": ["audio-classification"],
    }
    if training_args.push_to_hub:
        trainer.push_to_hub(**kwargs)
    else:
        trainer.create_model_card(**kwargs)
コード例 #6
0
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser((ModelArguments, DataTrainingArguments, TrainingArguments))
    model_args, data_args, training_args = parser.parse_args_into_dataclasses()

    # Detecting last checkpoint.
    last_checkpoint = None
    if os.path.isdir(training_args.output_dir) and training_args.do_train and not training_args.overwrite_output_dir:
        last_checkpoint = get_last_checkpoint(training_args.output_dir)
        if last_checkpoint is None and len(os.listdir(training_args.output_dir)) > 0:
            raise ValueError(
                f"Output directory ({training_args.output_dir}) already exists and is not empty. "
                "Use --overwrite_output_dir to overcome."
            )
        elif last_checkpoint is not None:
            logger.info(
                f"Checkpoint detected, resuming training at {last_checkpoint}. To avoid this behavior, change "
                "the `--output_dir` or add `--overwrite_output_dir` to train from scratch."
            )

    # Setup distant debugging if needed
    if data_args.server_ip and data_args.server_port:
        # Distant debugging - see https://code.visualstudio.com/docs/python/debugging#_attach-to-a-local-script
        import ptvsd

        print("Waiting for debugger attach")
        ptvsd.enable_attach(address=(data_args.server_ip, data_args.server_port), redirect_output=True)
        ptvsd.wait_for_attach()

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s -   %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        handlers=[logging.StreamHandler(sys.stdout)],
    )
    logger.setLevel(logging.INFO if is_main_process(training_args.local_rank) else logging.WARN)

    # Log on each process the small summary:
    logger.warning(
        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}"
        + f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
    )

    # Set the verbosity to info of the Transformers logger (on main process only):
    if is_main_process(training_args.local_rank):
        transformers.utils.logging.set_verbosity_info()
        transformers.utils.logging.enable_default_handler()
        transformers.utils.logging.enable_explicit_format()
    logger.info(f"Training/evaluation parameters {training_args}")

    # Set seed before initializing model.
    set_seed(training_args.seed)

    # In distributed training, the load_dataset function guarantees that only one local process can concurrently
    # download the dataset.
    # Downloading and loading xnli dataset from the hub.
    if training_args.do_train:
        if model_args.train_language is None:
            train_dataset = load_dataset("xnli", model_args.language, split="train", cache_dir=model_args.cache_dir)
        else:
            train_dataset = load_dataset(
                "xnli", model_args.train_language, split="train", cache_dir=model_args.cache_dir
            )
        label_list = train_dataset.features["label"].names

    if training_args.do_eval:
        eval_dataset = load_dataset("xnli", model_args.language, split="validation", cache_dir=model_args.cache_dir)
        label_list = eval_dataset.features["label"].names

    if training_args.do_predict:
        predict_dataset = load_dataset("xnli", model_args.language, split="test", cache_dir=model_args.cache_dir)
        label_list = predict_dataset.features["label"].names

    # Labels
    num_labels = len(label_list)

    # Load pretrained model and tokenizer
    # In distributed training, the .from_pretrained methods guarantee that only one local process can concurrently
    # download model & vocab.
    config = AutoConfig.from_pretrained(
        model_args.config_name if model_args.config_name else model_args.model_name_or_path,
        num_labels=num_labels,
        finetuning_task="xnli",
        cache_dir=model_args.cache_dir,
        revision=model_args.model_revision,
        use_auth_token=True if model_args.use_auth_token else None,
    )
    tokenizer = AutoTokenizer.from_pretrained(
        model_args.tokenizer_name if model_args.tokenizer_name else model_args.model_name_or_path,
        do_lower_case=model_args.do_lower_case,
        cache_dir=model_args.cache_dir,
        use_fast=model_args.use_fast_tokenizer,
        revision=model_args.model_revision,
        use_auth_token=True if model_args.use_auth_token else None,
    )
    model = AutoModelForSequenceClassification.from_pretrained(
        model_args.model_name_or_path,
        from_tf=bool(".ckpt" in model_args.model_name_or_path),
        config=config,
        cache_dir=model_args.cache_dir,
        revision=model_args.model_revision,
        use_auth_token=True if model_args.use_auth_token else None,
    )

    # Preprocessing the datasets
    # Padding strategy
    if data_args.pad_to_max_length:
        padding = "max_length"
    else:
        # We will pad later, dynamically at batch creation, to the max sequence length in each batch
        padding = False

    def preprocess_function(examples):
        # Tokenize the texts
        return tokenizer(
            examples["premise"],
            examples["hypothesis"],
            padding=padding,
            max_length=data_args.max_seq_length,
            truncation=True,
        )

    if training_args.do_train:
        if data_args.max_train_samples is not None:
            train_dataset = train_dataset.select(range(data_args.max_train_samples))
        train_dataset = train_dataset.map(
            preprocess_function,
            batched=True,
            load_from_cache_file=not data_args.overwrite_cache,
        )
        # Log a few random samples from the training set:
        for index in random.sample(range(len(train_dataset)), 3):
            logger.info(f"Sample {index} of the training set: {train_dataset[index]}.")

    if training_args.do_eval:
        if data_args.max_eval_samples is not None:
            eval_dataset = eval_dataset.select(range(data_args.max_eval_samples))
        eval_dataset = eval_dataset.map(
            preprocess_function,
            batched=True,
            load_from_cache_file=not data_args.overwrite_cache,
        )

    if training_args.do_predict:
        if data_args.max_predict_samples is not None:
            predict_dataset = predict_dataset.select(range(data_args.max_predict_samples))
        predict_dataset = predict_dataset.map(
            preprocess_function,
            batched=True,
            load_from_cache_file=not data_args.overwrite_cache,
        )

    # Get the metric function
    metric = load_metric("xnli")

    # You can define your custom compute_metrics function. It takes an `EvalPrediction` object (a namedtuple with a
    # predictions and label_ids field) and has to return a dictionary string to float.
    def compute_metrics(p: EvalPrediction):
        preds = p.predictions[0] if isinstance(p.predictions, tuple) else p.predictions
        preds = np.argmax(preds, axis=1)
        return metric.compute(predictions=preds, references=p.label_ids)

    # Data collator will default to DataCollatorWithPadding, so we change it if we already did the padding.
    if data_args.pad_to_max_length:
        data_collator = default_data_collator
    elif training_args.fp16:
        data_collator = DataCollatorWithPadding(tokenizer, pad_to_multiple_of=8)
    else:
        data_collator = None

    # Initialize our Trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=train_dataset if training_args.do_train else None,
        eval_dataset=eval_dataset if training_args.do_eval else None,
        compute_metrics=compute_metrics,
        tokenizer=tokenizer,
        data_collator=data_collator,
    )

    # Training
    if training_args.do_train:
        checkpoint = None
        if training_args.resume_from_checkpoint is not None:
            checkpoint = training_args.resume_from_checkpoint
        elif last_checkpoint is not None:
            checkpoint = last_checkpoint
        train_result = trainer.train(resume_from_checkpoint=checkpoint)
        metrics = train_result.metrics
        max_train_samples = (
            data_args.max_train_samples if data_args.max_train_samples is not None else len(train_dataset)
        )
        metrics["train_samples"] = min(max_train_samples, len(train_dataset))

        trainer.save_model()  # Saves the tokenizer too for easy upload

        trainer.log_metrics("train", metrics)
        trainer.save_metrics("train", metrics)
        trainer.save_state()

    # Evaluation
    if training_args.do_eval:
        logger.info("*** Evaluate ***")
        metrics = trainer.evaluate(eval_dataset=eval_dataset)

        max_eval_samples = data_args.max_eval_samples if data_args.max_eval_samples is not None else len(eval_dataset)
        metrics["eval_samples"] = min(max_eval_samples, len(eval_dataset))

        trainer.log_metrics("eval", metrics)
        trainer.save_metrics("eval", metrics)

    # Prediction
    if training_args.do_predict:
        logger.info("*** Predict ***")
        predictions, labels, metrics = trainer.predict(predict_dataset, metric_key_prefix="predict")

        max_predict_samples = (
            data_args.max_predict_samples if data_args.max_predict_samples is not None else len(predict_dataset)
        )
        metrics["predict_samples"] = min(max_predict_samples, len(predict_dataset))

        trainer.log_metrics("predict", metrics)
        trainer.save_metrics("predict", metrics)

        predictions = np.argmax(predictions, axis=1)
        output_predict_file = os.path.join(training_args.output_dir, "predictions.txt")
        if trainer.is_world_process_zero():
            with open(output_predict_file, "w") as writer:
                writer.write("index\tprediction\n")
                for index, item in enumerate(predictions):
                    item = label_list[item]
                    writer.write(f"{index}\t{item}\n")
コード例 #7
0
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser((ModelArguments, DataTrainingArguments, TrainingArguments))
    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
        # If we pass only one argument to the script and it's the path to a json file,
        # let's parse it to get our arguments.
        model_args, data_args, training_args = parser.parse_json_file(json_file=os.path.abspath(sys.argv[1]))
    else:
        model_args, data_args, training_args = parser.parse_args_into_dataclasses()

    # Detecting last checkpoint.
    last_checkpoint = None
    if os.path.isdir(training_args.output_dir) and training_args.do_train and not training_args.overwrite_output_dir:
        last_checkpoint = get_last_checkpoint(training_args.output_dir)
        if last_checkpoint is None and len(os.listdir(training_args.output_dir)) > 0:
            raise ValueError(
                f"Output directory ({training_args.output_dir}) already exists and is not empty. "
                "Use --overwrite_output_dir to overcome."
            )
        elif last_checkpoint is not None:
            logger.info(
                f"Checkpoint detected, resuming training at {last_checkpoint}. To avoid this behavior, change "
                "the `--output_dir` or add `--overwrite_output_dir` to train from scratch."
            )

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s -   %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        handlers=[logging.StreamHandler(sys.stdout)],
    )
    logger.setLevel(logging.INFO if is_main_process(training_args.local_rank) else logging.WARN)

    # Log on each process the small summary:
    logger.warning(
        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}"
        + f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
    )
    # Set the verbosity to info of the Transformers logger (on main process only):
    if is_main_process(training_args.local_rank):
        transformers.utils.logging.set_verbosity_info()
        transformers.utils.logging.enable_default_handler()
        transformers.utils.logging.enable_explicit_format()
    logger.info("Training/evaluation parameters %s", training_args)

    # Set seed before initializing model.
    set_seed(training_args.seed)

    # Get the datasets: you can either provide your own CSV/JSON/TXT training and evaluation files (see below)
    # or just provide the name of one of the public datasets available on the hub at https://huggingface.co/datasets/
    # (the dataset will be downloaded automatically from the datasets Hub).
    #
    # For CSV/JSON files, this script will use the column called 'text' or the first column if no column called
    # 'text' is found. You can easily tweak this behavior (see below).
    #
    # In distributed training, the load_dataset function guarantee that only one local process can concurrently
    # download the dataset.
    if data_args.dataset_name is not None:
        # Downloading and loading a dataset from the hub.
        datasets = load_dataset(data_args.dataset_name, data_args.dataset_config_name)
        if "validation" not in datasets.keys():
            datasets["validation"] = load_dataset(
                data_args.dataset_name,
                data_args.dataset_config_name,
                split=f"train[:{data_args.validation_split_percentage}%]",
            )
            datasets["train"] = load_dataset(
                data_args.dataset_name,
                data_args.dataset_config_name,
                split=f"train[{data_args.validation_split_percentage}%:]",
            )
    else:
        data_files = {}
        if data_args.train_file is not None:
            data_files["train"] = data_args.train_file
        if data_args.validation_file is not None:
            data_files["validation"] = data_args.validation_file
        extension = (
            data_args.train_file.split(".")[-1]
            if data_args.train_file is not None
            else data_args.validation_file.split(".")[-1]
        )
        if extension == "txt":
            extension = "text"
        datasets = load_dataset(extension, data_files=data_files)
    # See more about loading any type of standard or custom dataset (from files, python dict, pandas DataFrame, etc) at
    # https://huggingface.co/docs/datasets/loading_datasets.html.

    # Load pretrained model and tokenizer
    #
    # Distributed training:
    # The .from_pretrained methods guarantee that only one local process can concurrently
    # download model & vocab.

    config_kwargs = {
        "cache_dir": model_args.cache_dir,
        "revision": model_args.model_revision,
        "use_auth_token": True if model_args.use_auth_token else None,
    }
    if model_args.config_name:
        config = AutoConfig.from_pretrained(model_args.config_name, **config_kwargs)
    elif model_args.model_name_or_path:
        config = AutoConfig.from_pretrained(model_args.model_name_or_path, **config_kwargs)
    else:
        config = CONFIG_MAPPING[model_args.model_type]()
        logger.warning("You are instantiating a new config instance from scratch.")

    tokenizer_kwargs = {
        "cache_dir": model_args.cache_dir,
        "use_fast": model_args.use_fast_tokenizer,
        "revision": model_args.model_revision,
        "use_auth_token": True if model_args.use_auth_token else None,
    }
    if model_args.tokenizer_name:
        tokenizer = AutoTokenizer.from_pretrained(model_args.tokenizer_name, **tokenizer_kwargs)
    elif model_args.model_name_or_path:
        tokenizer = AutoTokenizer.from_pretrained(model_args.model_name_or_path, **tokenizer_kwargs)
    else:
        raise ValueError(
            "You are instantiating a new tokenizer from scratch. This is not supported by this script."
            "You can do it from another script, save it, and load it from here, using --tokenizer_name."
        )

    if model_args.model_name_or_path:
        model = AutoModelForCausalLM.from_pretrained(
            model_args.model_name_or_path,
            from_tf=bool(".ckpt" in model_args.model_name_or_path),
            config=config,
            cache_dir=model_args.cache_dir,
            revision=model_args.model_revision,
            use_auth_token=True if model_args.use_auth_token else None,
        )
    else:
        logger.info("Training new model from scratch")
        model = AutoModelForCausalLM.from_config(config)

    model.resize_token_embeddings(len(tokenizer))

    # Preprocessing the datasets.
    # First we tokenize all the texts.
    if training_args.do_train:
        column_names = datasets["train"].column_names
    else:
        column_names = datasets["validation"].column_names
    text_column_name = "text" if "text" in column_names else column_names[0]

    def tokenize_function(examples):
        return tokenizer(examples[text_column_name])

    tokenized_datasets = datasets.map(
        tokenize_function,
        batched=True,
        num_proc=data_args.preprocessing_num_workers,
        remove_columns=column_names,
        load_from_cache_file=not data_args.overwrite_cache,
    )

    if data_args.block_size is None:
        block_size = tokenizer.model_max_length
        if block_size > 1024:
            logger.warn(
                f"The tokenizer picked seems to have a very large `model_max_length` ({tokenizer.model_max_length}). "
                "Picking 1024 instead. You can change that default value by passing --block_size xxx."
            )
        block_size = 1024
    else:
        if data_args.block_size > tokenizer.model_max_length:
            logger.warn(
                f"The block_size passed ({data_args.block_size}) is larger than the maximum length for the model"
                f"({tokenizer.model_max_length}). Using block_size={tokenizer.model_max_length}."
            )
        block_size = min(data_args.block_size, tokenizer.model_max_length)

    # Main data processing function that will concatenate all texts from our dataset and generate chunks of block_size.
    def group_texts(examples):
        # Concatenate all texts.
        concatenated_examples = {k: sum(examples[k], []) for k in examples.keys()}
        total_length = len(concatenated_examples[list(examples.keys())[0]])
        # We drop the small remainder, we could add padding if the model supported it instead of this drop, you can
        # customize this part to your needs.
        total_length = (total_length // block_size) * block_size
        # Split by chunks of max_len.
        result = {
            k: [t[i : i + block_size] for i in range(0, total_length, block_size)]
            for k, t in concatenated_examples.items()
        }
        result["labels"] = result["input_ids"].copy()
        return result

    # Note that with `batched=True`, this map processes 1,000 texts together, so group_texts throws away a remainder
    # for each of those groups of 1,000 texts. You can adjust that batch_size here but a higher value might be slower
    # to preprocess.
    #
    # To speed up this part, we use multiprocessing. See the documentation of the map method for more information:
    # https://huggingface.co/docs/datasets/package_reference/main_classes.html#datasets.Dataset.map

    lm_datasets = tokenized_datasets.map(
        group_texts,
        batched=True,
        num_proc=data_args.preprocessing_num_workers,
        load_from_cache_file=not data_args.overwrite_cache,
    )

    if training_args.do_train:
        if "train" not in tokenized_datasets:
            raise ValueError("--do_train requires a train dataset")
        train_dataset = lm_datasets["train"]
        if data_args.max_train_samples is not None:
            train_dataset = train_dataset.select(range(data_args.max_train_samples))

    if training_args.do_eval:
        if "validation" not in tokenized_datasets:
            raise ValueError("--do_eval requires a validation dataset")
        eval_dataset = lm_datasets["validation"]
        if data_args.max_val_samples is not None:
            eval_dataset = eval_dataset.select(range(data_args.max_val_samples))

    # Initialize our Trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=train_dataset if training_args.do_train else None,
        eval_dataset=eval_dataset if training_args.do_eval else None,
        tokenizer=tokenizer,
        # Data collator will default to DataCollatorWithPadding, so we change it.
        data_collator=default_data_collator,
    )

    # Training
    if training_args.do_train:
        if last_checkpoint is not None:
            checkpoint = last_checkpoint
        elif model_args.model_name_or_path is not None and os.path.isdir(model_args.model_name_or_path):
            checkpoint = model_args.model_name_or_path
        else:
            checkpoint = None
        train_result = trainer.train(resume_from_checkpoint=checkpoint)
        trainer.save_model()  # Saves the tokenizer too for easy upload

        metrics = train_result.metrics

        max_train_samples = (
            data_args.max_train_samples if data_args.max_train_samples is not None else len(train_dataset)
        )
        metrics["train_samples"] = min(max_train_samples, len(train_dataset))

        trainer.log_metrics("train", metrics)
        trainer.save_metrics("train", metrics)
        trainer.save_state()

    # Evaluation
    if training_args.do_eval:
        logger.info("*** Evaluate ***")

        metrics = trainer.evaluate()

        max_val_samples = data_args.max_val_samples if data_args.max_val_samples is not None else len(eval_dataset)
        metrics["eval_samples"] = min(max_val_samples, len(eval_dataset))
        perplexity = math.exp(metrics["eval_loss"])
        metrics["perplexity"] = perplexity

        trainer.log_metrics("eval", metrics)
        trainer.save_metrics("eval", metrics)
コード例 #8
0
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser(
        (ModelArguments, DataTrainingArguments, TrainingArguments))
    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
        # If we pass only one argument to the script and it's the path to a json file,
        # let's parse it to get our arguments.
        model_args, data_args, training_args = parser.parse_json_file(
            json_file=os.path.abspath(sys.argv[1]))
    else:
        model_args, data_args, training_args = parser.parse_args_into_dataclasses(
        )

    if (os.path.exists(training_args.output_dir)
            and os.listdir(training_args.output_dir) and training_args.do_train
            and not training_args.overwrite_output_dir):
        raise ValueError(
            f"Output directory ({training_args.output_dir}) already exists and is not empty. Use"
            " --overwrite_output_dir to overcome.")

    module = import_module("tasks")
    try:
        token_classification_task_clazz = getattr(module, model_args.task_type)
        token_classification_task: TokenClassificationTask = token_classification_task_clazz(
        )
    except AttributeError:
        raise ValueError(
            f"Task {model_args.task_type} needs to be defined as a TokenClassificationTask subclass in {module}. "
            f"Available tasks classes are: {TokenClassificationTask.__subclasses__()}"
        )

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s - %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        level=logging.INFO
        if training_args.local_rank in [-1, 0] else logging.WARN,
    )
    logger.warning(
        "Process rank: %s, device: %s, n_gpu: %s, distributed training: %s, 16-bits training: %s",
        training_args.local_rank,
        training_args.device,
        training_args.n_gpu,
        bool(training_args.local_rank != -1),
        training_args.fp16,
    )
    # Set the verbosity to info of the Transformers logger (on main process only):
    if is_main_process(training_args.local_rank):
        transformers.utils.logging.set_verbosity_info()
        transformers.utils.logging.enable_default_handler()
        transformers.utils.logging.enable_explicit_format()
    logger.info("Training/evaluation parameters %s", training_args)

    # Set seed
    set_seed(training_args.seed)

    # Prepare CONLL-2003 task
    labels = token_classification_task.get_labels(data_args.labels)
    label_map: Dict[int, str] = {i: label for i, label in enumerate(labels)}
    num_labels = len(labels)

    # Load pretrained model and tokenizer
    #
    # Distributed training:
    # The .from_pretrained methods guarantee that only one local process can concurrently
    # download model & vocab.

    config = AutoConfig.from_pretrained(
        model_args.config_name
        if model_args.config_name else model_args.model_name_or_path,
        num_labels=num_labels,
        id2label=label_map,
        label2id={label: i
                  for i, label in enumerate(labels)},
        cache_dir=model_args.cache_dir,
    )
    tokenizer = AutoTokenizer.from_pretrained(
        model_args.tokenizer_name
        if model_args.tokenizer_name else model_args.model_name_or_path,
        cache_dir=model_args.cache_dir,
        use_fast=model_args.use_fast,
    )
    model = AutoModelForTokenClassification.from_pretrained(
        model_args.model_name_or_path,
        from_tf=bool(".ckpt" in model_args.model_name_or_path),
        config=config,
        cache_dir=model_args.cache_dir,
    )

    # Get datasets
    train_dataset = (TokenClassificationDataset(
        token_classification_task=token_classification_task,
        data_dir=data_args.data_dir,
        tokenizer=tokenizer,
        labels=labels,
        model_type=config.model_type,
        max_seq_length=data_args.max_seq_length,
        overwrite_cache=data_args.overwrite_cache,
        mode=Split.train,
    ) if training_args.do_train else None)
    eval_dataset = (TokenClassificationDataset(
        token_classification_task=token_classification_task,
        data_dir=data_args.data_dir,
        tokenizer=tokenizer,
        labels=labels,
        model_type=config.model_type,
        max_seq_length=data_args.max_seq_length,
        overwrite_cache=data_args.overwrite_cache,
        mode=Split.dev,
    ) if training_args.do_eval else None)

    def align_predictions(
            predictions: np.ndarray,
            label_ids: np.ndarray) -> Tuple[List[int], List[int]]:
        preds = np.argmax(predictions, axis=2)

        batch_size, seq_len = preds.shape

        out_label_list = [[] for _ in range(batch_size)]
        preds_list = [[] for _ in range(batch_size)]

        for i in range(batch_size):
            for j in range(seq_len):
                if label_ids[i, j] != nn.CrossEntropyLoss().ignore_index:
                    out_label_list[i].append(label_map[label_ids[i][j]])
                    preds_list[i].append(label_map[preds[i][j]])

        return preds_list, out_label_list

    def compute_metrics(p: EvalPrediction) -> Dict:
        preds_list, out_label_list = align_predictions(p.predictions,
                                                       p.label_ids)
        return {
            "accuracy_score": accuracy_score(out_label_list, preds_list),
            "precision": precision_score(out_label_list, preds_list),
            "recall": recall_score(out_label_list, preds_list),
            "f1": f1_score(out_label_list, preds_list),
        }

    # Data collator
    data_collator = DataCollatorWithPadding(
        tokenizer, pad_to_multiple_of=8) if training_args.fp16 else None

    # Initialize our Trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=train_dataset,
        eval_dataset=eval_dataset,
        compute_metrics=compute_metrics,
        data_collator=data_collator,
    )

    # Training
    if training_args.do_train:
        trainer.train(model_path=model_args.model_name_or_path if os.path.
                      isdir(model_args.model_name_or_path) else None)
        trainer.save_model()
        # For convenience, we also re-save the tokenizer to the same directory,
        # so that you can share your model easily on huggingface.co/models =)
        if trainer.is_world_process_zero():
            tokenizer.save_pretrained(training_args.output_dir)

    # Evaluation
    results = {}
    if training_args.do_eval:
        logger.info("*** Evaluate ***")

        result = trainer.evaluate()

        output_eval_file = os.path.join(training_args.output_dir,
                                        "eval_results.txt")
        if trainer.is_world_process_zero():
            with open(output_eval_file, "w") as writer:
                logger.info("***** Eval results *****")
                for key, value in result.items():
                    logger.info("  %s = %s", key, value)
                    writer.write("%s = %s\n" % (key, value))

            results.update(result)

    # Predict
    if training_args.do_predict:
        test_dataset = TokenClassificationDataset(
            token_classification_task=token_classification_task,
            data_dir=data_args.data_dir,
            tokenizer=tokenizer,
            labels=labels,
            model_type=config.model_type,
            max_seq_length=data_args.max_seq_length,
            overwrite_cache=data_args.overwrite_cache,
            mode=Split.test,
        )

        predictions, label_ids, metrics = trainer.predict(test_dataset)
        preds_list, _ = align_predictions(predictions, label_ids)

        output_test_results_file = os.path.join(training_args.output_dir,
                                                "test_results.txt")
        if trainer.is_world_process_zero():
            with open(output_test_results_file, "w") as writer:
                for key, value in metrics.items():
                    logger.info("  %s = %s", key, value)
                    writer.write("%s = %s\n" % (key, value))

        # Save predictions
        output_test_predictions_file = os.path.join(training_args.output_dir,
                                                    "test_predictions.txt")
        if trainer.is_world_process_zero():
            with open(output_test_predictions_file, "w") as writer:
                with open(os.path.join(data_args.data_dir, "test.txt"),
                          "r") as f:
                    token_classification_task.write_predictions_to_file(
                        writer, f, preds_list)

    return results
コード例 #9
0
ファイル: main.py プロジェクト: tsosea2/CancerEmo
def main():
    parser = argparse.ArgumentParser()

    parser.add_argument("--api_key_wandb", type=str)
    parser.add_argument("--data_dir",
                        type=str,
                        help="The root directory of the data")
    parser.add_argument("--emotion",
                        type=str,
                        help="The emotion type (e.g., Anger, Joy, etc)")
    parser.add_argument("--experiment_name", type=str, default="")
    parser.add_argument("--model", type=str, default='bert-base-uncased')
    parser.add_argument("--repetitions", type=int, default=5)
    parser.add_argument("--tokenizer", type=str, default='bert-base-uncased')
    parser.add_argument("--tuning", type=int, default=1)
    parser.add_argument("--tuning_savedir",
                        type=str,
                        default='tuning_experiment_params')
    parser.add_argument("--tuning_trials", type=int, default=20)

    args = parser.parse_args()

    if len(args.api_key_wandb) == API_KEY_LEN:
        wandb.login(key=args.api_key_wandb)

    X_train, y_train, X_val, y_val, X_test, y_test = read_split(
        args.data_dir, args.emotion)

    tokenizer = tokenizer_mapping[args.tokenizer]()

    if not path.exists('logs'):
        os.mkdir('logs')

    if not path.exists(args.tuning_savedir):
        os.mkdir(args.tuning_savedir)

    tuner_save_path = os.path.join(args.tuning_savedir, args.experiment_name)

    if not path.exists(tuner_save_path):
        os.mkdir(tuner_save_path)

    if args.tuning == 1:
        train_encodings = tokenizer(X_train, truncation=True, padding=True)
        val_encodings = tokenizer(X_val, truncation=True, padding=True)
        test_encodings = tokenizer(X_test, truncation=True, padding=True)

        train_dataset = EmotionDataset(train_encodings, y_train)
        validation_dataset = EmotionDataset(val_encodings, y_val)
        test_dataset = EmotionDataset(test_encodings, y_test)

        training_args = TrainingArguments(
            output_dir=args.tuning_savedir,
            per_device_eval_batch_size=8,
            warmup_steps=500,
            weight_decay=0.01,
            logging_dir='./logs/' + args.experiment_name,
            logging_steps=100,
            evaluation_strategy='epoch',
        )

        trainer = Trainer(args=training_args,
                          train_dataset=train_dataset,
                          eval_dataset=validation_dataset,
                          compute_metrics=comp_metrics,
                          model_init=model_mapping[args.model])

        best_metrics = trainer.hyperparameter_search(
            compute_objective=my_compute_obj,
            hp_space=my_tuning_metrics,
            n_trials=args.tuning_trials,
            direction='maximize')

        best_metrics.hyperparameters['score'] = best_metrics.objective
        best_metrics = best_metrics.hyperparameters

        with open(os.path.join(tuner_save_path, 'params.json'), 'w') as f:
            f.write(json.dumps(best_metrics))
    else:
        with open(os.path.join(tuner_save_path, 'params.json')) as f:
            best_metrics = json.load(f)

    train_encodings = tokenizer(X_train + X_val, truncation=True, padding=True)
    test_encodings = tokenizer(X_test, truncation=True, padding=True)

    train_dataset = EmotionDataset(train_encodings, y_train + y_val)
    test_dataset = EmotionDataset(test_encodings, y_test)

    f1s = []
    recalls = []
    precisions = []

    for j in range(args.repetitions):
        training_args = TrainingArguments(
            output_dir='./results' + '/' + args.experiment_name,
            per_device_eval_batch_size=8,
            warmup_steps=500,
            weight_decay=0.01,
            logging_dir='./logs/' + args.experiment_name,
            logging_steps=100,
            evaluation_strategy='epoch',
            learning_rate=best_metrics['learning_rate'],
            num_train_epochs=best_metrics['num_train_epochs'],
            per_device_train_batch_size=best_metrics[
                'per_device_train_batch_size'],
            gradient_accumulation_steps=best_metrics[
                'gradient_accumulation_steps'],
        )

        trainer = Trainer(args=training_args,
                          train_dataset=train_dataset,
                          eval_dataset=test_dataset,
                          compute_metrics=comp_metrics,
                          model=model_mapping[args.model]())

        trainer.train()

        results = trainer.evaluate(test_dataset)
        precisions.append(results['eval_precision'])
        recalls.append(results['eval_recall'])
        f1s.append(results['eval_f1'])

    print("Final F1:" + str(np.mean(np.array(f1s))) + '\n')
    print("Final precision:" + str(np.mean(np.array(precisions))) + '\n')
    print("Final recall:" + str(np.mean(np.array(recalls))) + '\n')
コード例 #10
0
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser((ModelArguments, DataTrainingArguments, TrainingArguments))
    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
        # If we pass only one argument to the script and it's the path to a json file,
        # let's parse it to get our arguments.
        model_args, data_args, training_args = parser.parse_json_file(json_file=os.path.abspath(sys.argv[1]))
    else:
        model_args, data_args, training_args = parser.parse_args_into_dataclasses()

    if (
        os.path.exists(training_args.output_dir)
        and os.listdir(training_args.output_dir)
        and training_args.do_train
        and not training_args.overwrite_output_dir
    ):
        raise ValueError(
            f"Output directory ({training_args.output_dir}) already exists and is not empty."
            "Use --overwrite_output_dir to overcome."
        )

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s -   %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        level=logging.INFO if is_main_process(training_args.local_rank) else logging.WARN,
    )

    # Log on each process the small summary:
    logger.warning(
        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}"
        + f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
    )
    # Set the verbosity to info of the Transformers logger (on main process only):
    if is_main_process(training_args.local_rank):
        transformers.utils.logging.set_verbosity_info()
        transformers.utils.logging.enable_default_handler()
        transformers.utils.logging.enable_explicit_format()
    logger.info("Training/evaluation parameters %s", training_args)

    # Set seed before initializing model.
    set_seed(training_args.seed)

    # Get the datasets: you can either provide your own CSV/JSON/TXT training and evaluation files (see below)
    # or just provide the name of one of the public datasets available on the hub at https://huggingface.co/datasets/
    # (the dataset will be downloaded automatically from the datasets Hub).
    #
    # For CSV/JSON files, this script will use the column called 'text' or the first column if no column called
    # 'text' is found. You can easily tweak this behavior (see below).
    #
    # In distributed training, the load_dataset function guarantee that only one local process can concurrently
    # download the dataset.
    if data_args.dataset_name is not None:
        # Downloading and loading a dataset from the hub.
        datasets = load_dataset(data_args.dataset_name, data_args.dataset_config_name)
    else:
        data_files = {}
        if data_args.train_file is not None:
            data_files["train"] = data_args.train_file
        if data_args.validation_file is not None:
            data_files["validation"] = data_args.validation_file
        if data_args.test_file is not None:
            data_files["test"] = data_args.test_file
        extension = data_args.train_file.split(".")[-1]
        datasets = load_dataset(extension, data_files=data_files)
    # See more about loading any type of standard or custom dataset (from files, python dict, pandas DataFrame, etc) at
    # https://huggingface.co/docs/datasets/loading_datasets.html.

    if training_args.do_train:
        column_names = datasets["train"].column_names
        features = datasets["train"].features
    else:
        column_names = datasets["validation"].column_names
        features = datasets["validation"].features
    text_column_name = "tokens" if "tokens" in column_names else column_names[0]
    label_column_name = (
        f"{data_args.task_name}_tags" if f"{data_args.task_name}_tags" in column_names else column_names[1]
    )

    # In the event the labels are not a `Sequence[ClassLabel]`, we will need to go through the dataset to get the
    # unique labels.
    def get_label_list(labels):
        unique_labels = set()
        for label in labels:
            unique_labels = unique_labels | set(label)
        label_list = list(unique_labels)
        label_list.sort()
        return label_list

    if isinstance(features[label_column_name].feature, ClassLabel):
        label_list = features[label_column_name].feature.names
        # No need to convert the labels since they are already ints.
        label_to_id = {i: i for i in range(len(label_list))}
    else:
        label_list = get_label_list(datasets["train"][label_column_name])
        label_to_id = {l: i for i, l in enumerate(label_list)}
    num_labels = len(label_list)

    # Load pretrained model and tokenizer
    #
    # Distributed training:
    # The .from_pretrained methods guarantee that only one local process can concurrently
    # download model & vocab.
    config = AutoConfig.from_pretrained(
        model_args.config_name if model_args.config_name else model_args.model_name_or_path,
        num_labels=num_labels,
        finetuning_task=data_args.task_name,
        cache_dir=model_args.cache_dir,
    )
    tokenizer = AutoTokenizer.from_pretrained(
        model_args.tokenizer_name if model_args.tokenizer_name else model_args.model_name_or_path,
        cache_dir=model_args.cache_dir,
        use_fast=True,
    )
    model = AutoModelForTokenClassification.from_pretrained(
        model_args.model_name_or_path,
        from_tf=bool(".ckpt" in model_args.model_name_or_path),
        config=config,
        cache_dir=model_args.cache_dir,
    )

    # Tokenizer check: this script requires a fast tokenizer.
    if not isinstance(tokenizer, PreTrainedTokenizerFast):
        raise ValueError(
            "This example script only works for models that have a fast tokenizer. Checkout the big table of models "
            "at https://huggingface.co/transformers/index.html#bigtable to find the model types that meet this "
            "requirement"
        )

    # Preprocessing the dataset
    # Padding strategy
    padding = "max_length" if data_args.pad_to_max_length else False

    # Tokenize all texts and align the labels with them.
    def tokenize_and_align_labels(examples):
        tokenized_inputs = tokenizer(
            examples[text_column_name],
            padding=padding,
            truncation=True,
            # We use this argument because the texts in our dataset are lists of words (with a label for each word).
            is_split_into_words=True,
        )
        labels = []
        for i, label in enumerate(examples[label_column_name]):
            word_ids = tokenized_inputs.word_ids(batch_index=i)
            previous_word_idx = None
            label_ids = []
            for word_idx in word_ids:
                # Special tokens have a word id that is None. We set the label to -100 so they are automatically
                # ignored in the loss function.
                if word_idx is None:
                    label_ids.append(-100)
                # We set the label for the first token of each word.
                elif word_idx != previous_word_idx:
                    label_ids.append(label_to_id[label[word_idx]])
                # For the other tokens in a word, we set the label to either the current label or -100, depending on
                # the label_all_tokens flag.
                else:
                    label_ids.append(label_to_id[label[word_idx]] if data_args.label_all_tokens else -100)
                previous_word_idx = word_idx

            labels.append(label_ids)
        tokenized_inputs["labels"] = labels
        return tokenized_inputs

    prep_data = tokenize_and_align_labels(datasets["train"])
    print(prep_data)
    tokenized_datasets = datasets.map(
        tokenize_and_align_labels,
        batched=True,
        num_proc=data_args.preprocessing_num_workers,
        load_from_cache_file=not data_args.overwrite_cache,
    )
    for example in tokenized_datasets["train"]:
        print(example)
        exit()
    # Data collator
    data_collator = DataCollatorForTokenClassification(tokenizer)

    # Metrics
    def compute_metrics(p):
        predictions, labels = p
        predictions = np.argmax(predictions, axis=2)

        # Remove ignored index (special tokens)
        true_predictions = [
            [label_list[p] for (p, l) in zip(prediction, label) if l != -100]
            for prediction, label in zip(predictions, labels)
        ]
        true_labels = [
            [label_list[l] for (p, l) in zip(prediction, label) if l != -100]
            for prediction, label in zip(predictions, labels)
        ]

        return {
            "accuracy_score": accuracy_score(true_labels, true_predictions),
            "precision": precision_score(true_labels, true_predictions),
            "recall": recall_score(true_labels, true_predictions),
            "f1": f1_score(true_labels, true_predictions),
        }

    # Initialize our Trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=tokenized_datasets["train"] if training_args.do_train else None,
        eval_dataset=tokenized_datasets["validation"] if training_args.do_eval else None,
        tokenizer=tokenizer,
        data_collator=data_collator,
        compute_metrics=compute_metrics,
    )
    print(datasets['train'])
    print(tokenized_datasets['validation'])
    # Training
    if training_args.do_train:
        train_result = trainer.train(
            model_path=model_args.model_name_or_path if os.path.isdir(model_args.model_name_or_path) else None
        )
        trainer.save_model()  # Saves the tokenizer too for easy upload

        output_train_file = os.path.join(training_args.output_dir, "train_results.txt")
        if trainer.is_world_process_zero():
            with open(output_train_file, "w") as writer:
                logger.info("***** Train results *****")
                for key, value in sorted(train_result.metrics.items()):
                    logger.info(f"  {key} = {value}")
                    writer.write(f"{key} = {value}\n")

            # Need to save the state, since Trainer.save_model saves only the tokenizer with the model
            trainer.state.save_to_json(os.path.join(training_args.output_dir, "trainer_state.json"))

    # Evaluation
    results = {}
    if training_args.do_eval:
        logger.info("*** Evaluate ***")

        results = trainer.evaluate()

        output_eval_file = os.path.join(training_args.output_dir, "eval_results_ner.txt")
        if trainer.is_world_process_zero():
            with open(output_eval_file, "w") as writer:
                logger.info("***** Eval results *****")
                for key, value in results.items():
                    logger.info(f"  {key} = {value}")
                    writer.write(f"{key} = {value}\n")

    # Predict
    if training_args.do_predict:
        logger.info("*** Predict ***")

        test_dataset = tokenized_datasets["test"]
        predictions, labels, metrics = trainer.predict(test_dataset)
        predictions = np.argmax(predictions, axis=2)

        # Remove ignored index (special tokens)
        true_predictions = [
            [label_list[p] for (p, l) in zip(prediction, label) if l != -100]
            for prediction, label in zip(predictions, labels)
        ]

        output_test_results_file = os.path.join(training_args.output_dir, "test_results.txt")
        if trainer.is_world_process_zero():
            with open(output_test_results_file, "w") as writer:
                for key, value in sorted(metrics.items()):
                    logger.info(f"  {key} = {value}")
                    writer.write(f"{key} = {value}\n")

        # Save predictions
        output_test_predictions_file = os.path.join(training_args.output_dir, "test_predictions.txt")
        if trainer.is_world_process_zero():
            with open(output_test_predictions_file, "w") as writer:
                for prediction in true_predictions:
                    writer.write(" ".join(prediction) + "\n")

    return results
コード例 #11
0
ファイル: run_pos_tagging.py プロジェクト: Adapter-Hub/hgiyt
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.
    parser = HfArgumentParser((ModelArguments, DataTrainingArguments,
                               TrainingArguments, AdapterArguments))
    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
        # If we pass only one argument to the script and it's the path to a json file,
        # let's parse it to get our arguments.
        model_args, data_args, training_args, adapter_args = parser.parse_json_file(
            json_file=os.path.abspath(sys.argv[1]))
    else:
        (
            model_args,
            data_args,
            training_args,
            adapter_args,
        ) = parser.parse_args_into_dataclasses()

    if (os.path.exists(training_args.output_dir)
            and os.listdir(training_args.output_dir) and training_args.do_train
            and not training_args.overwrite_output_dir):
        raise ValueError(
            f"Output directory ({training_args.output_dir}) already exists and is not empty. Use --overwrite_output_dir to overcome."
        )

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s -   %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        level=logging.INFO
        if training_args.local_rank in [-1, 0] else logging.WARN,
    )
    logger.warning(
        "Process rank: %s, device: %s, n_gpu: %s, distributed training: %s, 16-bits training: %s",
        training_args.local_rank,
        training_args.device,
        training_args.n_gpu,
        bool(training_args.local_rank != -1),
        training_args.fp16,
    )
    logger.info("Training/evaluation parameters %s", training_args)

    # Set seed
    set_seed(training_args.seed)

    # Prepare for UD pos tagging task
    labels = UPOS_LABELS
    label_map: Dict[int, str] = {i: label for i, label in enumerate(labels)}
    num_labels = len(labels)

    config = AutoConfig.from_pretrained(
        model_args.config_name
        if model_args.config_name else model_args.model_name_or_path,
        num_labels=num_labels,
        id2label=label_map,
        label2id={label: i
                  for i, label in enumerate(labels)},
        cache_dir=model_args.cache_dir,
    )

    if model_args.is_japanese:
        assert model_args.mecab_dir is not None
        assert model_args.mecab_dic_dir is not None

    tokenizer = AutoTokenizer.from_pretrained(
        model_args.tokenizer_name
        if model_args.tokenizer_name else model_args.model_name_or_path,
        cache_dir=model_args.cache_dir,
        use_fast=model_args.use_fast,
        do_lower_case=model_args.do_lower_case,
        mecab_kwargs={
            "mecab_option":
            f"-r {model_args.mecab_dir} -d {model_args.mecab_dic_dir}"
        } if model_args.is_japanese else None,
    )

    model = AutoModelForTokenClassification.from_pretrained(
        model_args.model_name_or_path,
        config=config,
        cache_dir=model_args.cache_dir,
    )

    # Setup adapters
    task_name = "pos"
    language = adapter_args.language
    if model_args.replace_embeddings:
        model.resize_token_embeddings(len(tokenizer))

    if model_args.leave_out_twelvth:
        logger.info("Leaving out 12")
        leave_out = [11]
    else:
        leave_out = []

    setup_task_adapter_training(
        model,
        task_name,
        adapter_args,
        leave_out=leave_out,
        with_embeddings=model_args.replace_embeddings,
    )
    if model_args.leave_out_twelvth:
        if language in model.base_model.encoder.layer._modules[
                "11"].output.layer_text_lang_adapters:
            del model.base_model.encoder.layer._modules[
                "11"].output.layer_text_lang_adapters[language]
            logger.info("Deleted language adapter " + language +
                        " in layer 12")
        if language in model.base_model.encoder.layer._modules[
                "11"].attention.output.attention_text_lang_adapters:
            del model.base_model.encoder.layer._modules[
                "11"].attention.output.attention_text_lang_adapters[language]
            logger.info("Deleted language adapter " + language +
                        " in layer 12")

    if adapter_args.train_adapter:
        if language:
            adapter_names = [[language], [task_name]]
        else:
            adapter_names = [[task_name]]
    else:
        adapter_names = None

    train_dataset = (POSDataset(
        data_dir=data_args.data_dir,
        tokenizer=tokenizer,
        labels=labels,
        model_type=config.model_type,
        max_seq_length=data_args.max_seq_length,
        overwrite_cache=data_args.overwrite_cache,
        mode=Split.train,
    ) if training_args.do_train else None)

    eval_dataset = (POSDataset(
        data_dir=data_args.data_dir,
        tokenizer=tokenizer,
        labels=labels,
        model_type=config.model_type,
        max_seq_length=data_args.max_seq_length,
        overwrite_cache=data_args.overwrite_cache,
        mode=Split.dev,
    ) if training_args.do_eval else None)

    def align_predictions(
            predictions: np.ndarray,
            label_ids: np.ndarray) -> Tuple[List[int], List[int]]:
        preds = np.argmax(predictions, axis=2)

        batch_size, seq_len = preds.shape

        out_label_list = [[] for _ in range(batch_size)]
        preds_list = [[] for _ in range(batch_size)]

        for i in range(batch_size):
            for j in range(seq_len):
                if label_ids[i, j] != nn.CrossEntropyLoss().ignore_index:
                    out_label_list[i].append(label_map[label_ids[i][j]])
                    preds_list[i].append(label_map[preds[i][j]])

        return preds_list, out_label_list

    def compute_metrics(p: EvalPrediction) -> Dict:
        preds_list, out_label_list = align_predictions(p.predictions,
                                                       p.label_ids)
        return {"acc": accuracy_score(out_label_list, preds_list)}

    # Initialize our Trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=train_dataset,
        eval_dataset=eval_dataset,
        compute_metrics=compute_metrics,
        do_save_full_model=not adapter_args.train_adapter,
        do_save_adapters=adapter_args.train_adapter,
        adapter_names=adapter_names,
    )

    # Training
    if training_args.do_train:
        trainer.train(model_path=model_args.model_name_or_path if os.path.
                      isdir(model_args.model_name_or_path) else None)
        trainer.save_model()
        # For convenience, we also re-save the tokenizer to the same directory,
        # so that you can share your model easily on huggingface.co/models =)
        if trainer.is_world_master():
            tokenizer.save_pretrained(training_args.output_dir)

    # Evaluation
    results = {}
    if training_args.do_eval:
        logger.info("*** Evaluate ***")

        result = trainer.evaluate()

        output_eval_file = os.path.join(training_args.output_dir,
                                        "eval_results.txt")
        if trainer.is_world_master():
            with open(output_eval_file, "w") as writer:
                logger.info("***** Eval results *****")
                for key, value in result.items():
                    logger.info("  %s = %s", key, value)
                    writer.write("%s = %s\n" % (key, value))

            results.update(result)

    # Predict
    if training_args.do_predict:
        test_dataset = POSDataset(
            data_dir=data_args.data_dir,
            tokenizer=tokenizer,
            labels=labels,
            model_type=config.model_type,
            max_seq_length=data_args.max_seq_length,
            overwrite_cache=data_args.overwrite_cache,
            mode=Split.test,
        )

        logging.info("*** Test ***")

        if training_args.store_best_model:
            logger.info("Loading best model for predictions.")

            if adapter_args.train_adapter:
                if language:
                    lang_adapter_config = AdapterConfig.load(
                        config="pfeiffer",
                        non_linearity="gelu",
                        reduction_factor=2,
                        leave_out=leave_out,
                    )
                    model.load_adapter(
                        os.path.join(training_args.output_dir, "best_model",
                                     language) if training_args.do_train else
                        adapter_args.load_lang_adapter,
                        AdapterType.text_lang,
                        config=lang_adapter_config,
                        load_as=language,
                    )
                task_adapter_config = AdapterConfig.load(
                    config="pfeiffer",
                    non_linearity="gelu",
                    reduction_factor=16,
                    leave_out=leave_out,
                )
                model.load_adapter(
                    os.path.join(training_args.output_dir, "best_model",
                                 task_name) if training_args.do_train else
                    adapter_args.load_task_adapter,
                    AdapterType.text_task,
                    config=task_adapter_config,
                    load_as=task_name,
                )
                if model_args.leave_out_twelvth:
                    if language in model.base_model.encoder.layer._modules[
                            "11"].output.layer_text_lang_adapters:
                        del model.base_model.encoder.layer._modules[
                            "11"].output.layer_text_lang_adapters[language]
                        logger.info("Deleted language adapter " + language +
                                    " in layer 12")
                    if (language
                            in model.base_model.encoder.layer._modules["11"].
                            attention.output.attention_text_lang_adapters):
                        del model.base_model.encoder.layer._modules[
                            "11"].attention.output.attention_text_lang_adapters[
                                language]
                        logger.info("Deleted language adapter " + language +
                                    " in layer 12")

                if language:
                    adapter_names = [[language], [task_name]]
                else:
                    adapter_names = [[task_name]]
            else:
                trainer.model = AutoModelForTokenClassification.from_pretrained(
                    os.path.join(training_args.output_dir, "best_model"),
                    from_tf=bool(".ckpt" in model_args.model_name_or_path),
                    config=config,
                    cache_dir=model_args.cache_dir,
                ).to(training_args.device)

        predictions, label_ids, metrics = trainer.predict(test_dataset)
        preds_list, _ = align_predictions(predictions, label_ids)

        output_test_results_file = os.path.join(training_args.output_dir,
                                                "test_results.txt")
        if trainer.is_world_master():
            with open(output_test_results_file, "w") as writer:
                for key, value in metrics.items():
                    logger.info("  %s = %s", key, value)
                    writer.write("%s = %s\n" % (key, value))

        # Save predictions
        output_test_predictions_file = os.path.join(training_args.output_dir,
                                                    "test_predictions.txt")
        if trainer.is_world_master():
            with open(output_test_predictions_file, "w",
                      encoding="utf-8") as writer:
                file_path = get_file(data_args.data_dir, Split.test)
                with open(file_path, "r", encoding="utf-8") as f:
                    example_id = 0
                    for line in f.readlines():
                        tok = line.strip().split("\t")
                        if len(tok) < 2 or line[0] == "#":
                            writer.write(line)
                            if not preds_list[example_id]:
                                example_id += 1
                        elif preds_list[example_id]:
                            if tok[0].isdigit():
                                output_line = tok[1] + " " + preds_list[
                                    example_id].pop(0) + "\n"
                                writer.write(output_line)
                        else:
                            logger.warning(
                                "Maximum sequence length exceeded: No prediction for '%s'",
                                tok[1],
                            )

    return results
    def train(self,
              inoculation_train_df,
              eval_df,
              model_path,
              training_args,
              max_length=128,
              inoculation_patience_count=5,
              pd_format=True,
              scramble_proportion=0.0,
              eval_with_scramble=False):

        if pd_format:
            datasets = {}
            datasets["train"] = Dataset.from_pandas(inoculation_train_df)
            datasets["validation"] = Dataset.from_pandas(eval_df)
        else:
            datasets = {}
            datasets["train"] = inoculation_train_df
            datasets["validation"] = eval_df
        logger.info(f"***** Train Sample Count (Verify): %s *****" %
                    (len(datasets["train"])))
        logger.info(f"***** Valid Sample Count (Verify): %s *****" %
                    (len(datasets["validation"])))

        label_list = datasets["validation"].unique("label")
        label_list.sort()  # Let's sort it for determinism

        sentence1_key, sentence2_key = self.task_config

        # we will scramble out input sentence here
        # TODO: we scramble both train and eval sets
        if self.task_name == "sst3" or self.task_name == "cola":

            def scramble_inputs(proportion, example):
                original_text = example[sentence1_key]
                original_sentence = basic_tokenizer.tokenize(original_text)
                max_length = len(original_sentence)
                scramble_length = int(max_length * proportion)
                scramble_start = random.randint(
                    0,
                    len(original_sentence) - scramble_length)
                scramble_end = scramble_start + scramble_length
                scramble_sentence = original_sentence[
                    scramble_start:scramble_end]
                random.shuffle(scramble_sentence)
                scramble_text = original_sentence[:
                                                  scramble_start] + scramble_sentence + original_sentence[
                                                      scramble_end:]

                out_string = " ".join(scramble_text).replace(" ##", "").strip()
                example[sentence1_key] = out_string
                return example
        elif self.task_name == "snli" or self.task_name == "mrpc" or self.task_name == "qnli":

            def scramble_inputs(proportion, example):
                original_premise = example[sentence1_key]
                original_hypothesis = example[sentence2_key]
                if original_hypothesis == None:
                    original_hypothesis = ""
                try:
                    original_premise_tokens = basic_tokenizer.tokenize(
                        original_premise)
                    original_hypothesis_tokens = basic_tokenizer.tokenize(
                        original_hypothesis)
                except:
                    print("Please debug these sequence...")
                    print(original_premise)
                    print(original_hypothesis)

                max_length = len(original_premise_tokens)
                scramble_length = int(max_length * proportion)
                scramble_start = random.randint(0,
                                                max_length - scramble_length)
                scramble_end = scramble_start + scramble_length
                scramble_sentence = original_premise_tokens[
                    scramble_start:scramble_end]
                random.shuffle(scramble_sentence)
                scramble_text_premise = original_premise_tokens[:scramble_start] + scramble_sentence + original_premise_tokens[
                    scramble_end:]

                max_length = len(original_hypothesis_tokens)
                scramble_length = int(max_length * proportion)
                scramble_start = random.randint(0,
                                                max_length - scramble_length)
                scramble_end = scramble_start + scramble_length
                scramble_sentence = original_hypothesis_tokens[
                    scramble_start:scramble_end]
                random.shuffle(scramble_sentence)
                scramble_text_hypothesis = original_hypothesis_tokens[:scramble_start] + scramble_sentence + original_hypothesis_tokens[
                    scramble_end:]

                out_string_premise = " ".join(scramble_text_premise).replace(
                    " ##", "").strip()
                out_string_hypothesis = " ".join(
                    scramble_text_hypothesis).replace(" ##", "").strip()
                example[sentence1_key] = out_string_premise
                example[sentence2_key] = out_string_hypothesis
                return example

        if scramble_proportion > 0.0:
            logger.info(
                f"You are scrambling the inputs to test syntactic feature importance!"
            )
            datasets["train"] = datasets["train"].map(
                partial(scramble_inputs, scramble_proportion))
            if eval_with_scramble:
                logger.info(f"You are scrambling the evaluation data as well!")
                datasets["validation"] = datasets["validation"].map(
                    partial(scramble_inputs, scramble_proportion))

        padding = "max_length"
        sentence1_key, sentence2_key = self.task_config
        label_to_id = None

        def preprocess_function(examples):
            # Tokenize the texts
            args = ((examples[sentence1_key], ) if sentence2_key is None else
                    (examples[sentence1_key], examples[sentence2_key]))
            result = self.tokenizer(*args,
                                    padding=padding,
                                    max_length=max_length,
                                    truncation=True)
            # Map labels to IDs (not necessary for GLUE tasks)
            if label_to_id is not None and "label" in examples:
                result["label"] = [label_to_id[l] for l in examples["label"]]
            return result

        datasets["train"] = datasets["train"].map(preprocess_function,
                                                  batched=True)
        datasets["validation"] = datasets["validation"].map(
            preprocess_function, batched=True)

        train_dataset = datasets["train"]
        eval_dataset = datasets["validation"]

        # Log a few random samples from the training set:
        for index in random.sample(range(len(train_dataset)), 3):
            logger.info(
                f"Sample {index} of the training set: {train_dataset[index]}.")

        metric = load_metric(
            "glue",
            "sst2")  # any glue task will do the job, just for eval loss

        def asenti_compute_metrics(p: EvalPrediction):
            preds = p.predictions[0] if isinstance(p.predictions,
                                                   tuple) else p.predictions
            preds = np.argmax(preds, axis=1)
            result_to_print = classification_report(p.label_ids,
                                                    preds,
                                                    digits=5,
                                                    output_dict=True)
            print(classification_report(p.label_ids, preds, digits=5))
            mcc_scores = matthews_corrcoef(p.label_ids, preds)
            logger.info(f"MCC scores: {mcc_scores}.")
            result_to_return = metric.compute(predictions=preds,
                                              references=p.label_ids)
            result_to_return["Macro-F1"] = result_to_print["macro avg"][
                "f1-score"]
            result_to_return["MCC"] = mcc_scores
            return result_to_return

        # Initialize our Trainer. We are only intersted in evaluations
        trainer = Trainer(
            model=model,
            args=training_args,
            train_dataset=train_dataset,
            eval_dataset=eval_dataset,
            compute_metrics=asenti_compute_metrics,
            tokenizer=self.tokenizer,
            # Data collator will default to DataCollatorWithPadding, so we change it if we already did the padding.
            data_collator=default_data_collator)
        # Early stop
        if inoculation_patience_count != -1:
            trainer.add_callback(
                EarlyStoppingCallback(inoculation_patience_count))

        # Training
        if training_args.do_train:
            logger.info("*** Training our model ***")
            trainer.train(model_path=model_path)
            trainer.save_model()  # Saves the tokenizer too for easy upload

        # Evaluation
        eval_results = {}
        if training_args.do_eval:
            logger.info("*** Evaluate ***")
            tasks = [self.task_name]
            eval_datasets = [eval_dataset]
            for eval_dataset, task in zip(eval_datasets, tasks):
                eval_result = trainer.evaluate(eval_dataset=eval_dataset)
                output_eval_file = os.path.join(training_args.output_dir,
                                                f"eval_results_{task}.txt")
                if trainer.is_world_process_zero():
                    with open(output_eval_file, "w") as writer:
                        logger.info(f"***** Eval results {task} *****")
                        for key, value in eval_result.items():
                            logger.info(f"  {key} = {value}")
                            writer.write(f"{key} = {value}\n")
                eval_results.update(eval_result)
コード例 #13
0
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser(
        (ModelArguments, DataTrainingArguments, TrainingArguments))
    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
        # If we pass only one argument to the script and it's the path to a json file,
        # let's parse it to get our arguments.
        model_args, data_args, training_args = parser.parse_json_file(
            json_file=os.path.abspath(sys.argv[1]))
    else:
        model_args, data_args, training_args = parser.parse_args_into_dataclasses(
        )

    # Sending telemetry. Tracking the example usage helps us better allocate resources to maintain them. The
    # information sent is the one passed as arguments along with your Python/PyTorch versions.
    send_example_telemetry("run_image_classification", model_args, data_args)

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s - %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        handlers=[logging.StreamHandler(sys.stdout)],
    )

    log_level = training_args.get_process_log_level()
    logger.setLevel(log_level)
    transformers.utils.logging.set_verbosity(log_level)
    transformers.utils.logging.enable_default_handler()
    transformers.utils.logging.enable_explicit_format()

    # Log on each process the small summary:
    logger.warning(
        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}"
        +
        f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
    )
    logger.info(f"Training/evaluation parameters {training_args}")

    # Detecting last checkpoint.
    last_checkpoint = None
    if os.path.isdir(
            training_args.output_dir
    ) and training_args.do_train and not training_args.overwrite_output_dir:
        last_checkpoint = get_last_checkpoint(training_args.output_dir)
        if last_checkpoint is None and len(os.listdir(
                training_args.output_dir)) > 0:
            raise ValueError(
                f"Output directory ({training_args.output_dir}) already exists and is not empty. "
                "Use --overwrite_output_dir to overcome.")
        elif last_checkpoint is not None and training_args.resume_from_checkpoint is None:
            logger.info(
                f"Checkpoint detected, resuming training at {last_checkpoint}. To avoid this behavior, change "
                "the `--output_dir` or add `--overwrite_output_dir` to train from scratch."
            )

    # Initialize our dataset and prepare it for the 'image-classification' task.
    if data_args.dataset_name is not None:
        dataset = load_dataset(
            data_args.dataset_name,
            data_args.dataset_config_name,
            cache_dir=model_args.cache_dir,
            task="image-classification",
            use_auth_token=True if model_args.use_auth_token else None,
        )
    else:
        data_files = {}
        if data_args.train_dir is not None:
            data_files["train"] = os.path.join(data_args.train_dir, "**")
        if data_args.validation_dir is not None:
            data_files["validation"] = os.path.join(data_args.validation_dir,
                                                    "**")
        dataset = load_dataset(
            "imagefolder",
            data_files=data_files,
            cache_dir=model_args.cache_dir,
            task="image-classification",
        )

    # If we don't have a validation split, split off a percentage of train as validation.
    data_args.train_val_split = None if "validation" in dataset.keys(
    ) else data_args.train_val_split
    if isinstance(data_args.train_val_split,
                  float) and data_args.train_val_split > 0.0:
        split = dataset["train"].train_test_split(data_args.train_val_split)
        dataset["train"] = split["train"]
        dataset["validation"] = split["test"]

    # Prepare label mappings.
    # We'll include these in the model's config to get human readable labels in the Inference API.
    labels = dataset["train"].features["labels"].names
    label2id, id2label = dict(), dict()
    for i, label in enumerate(labels):
        label2id[label] = str(i)
        id2label[str(i)] = label

    # Load the accuracy metric from the datasets package
    metric = datasets.load_metric("accuracy")

    # Define our compute_metrics function. It takes an `EvalPrediction` object (a namedtuple with a
    # predictions and label_ids field) and has to return a dictionary string to float.
    def compute_metrics(p):
        """Computes accuracy on a batch of predictions"""
        return metric.compute(predictions=np.argmax(p.predictions, axis=1),
                              references=p.label_ids)

    config = AutoConfig.from_pretrained(
        model_args.config_name or model_args.model_name_or_path,
        num_labels=len(labels),
        label2id=label2id,
        id2label=id2label,
        finetuning_task="image-classification",
        cache_dir=model_args.cache_dir,
        revision=model_args.model_revision,
        use_auth_token=True if model_args.use_auth_token else None,
    )
    model = AutoModelForImageClassification.from_pretrained(
        model_args.model_name_or_path,
        from_tf=bool(".ckpt" in model_args.model_name_or_path),
        config=config,
        cache_dir=model_args.cache_dir,
        revision=model_args.model_revision,
        use_auth_token=True if model_args.use_auth_token else None,
        ignore_mismatched_sizes=model_args.ignore_mismatched_sizes,
    )
    feature_extractor = AutoFeatureExtractor.from_pretrained(
        model_args.feature_extractor_name or model_args.model_name_or_path,
        cache_dir=model_args.cache_dir,
        revision=model_args.model_revision,
        use_auth_token=True if model_args.use_auth_token else None,
    )

    # Define torchvision transforms to be applied to each image.
    normalize = Normalize(mean=feature_extractor.image_mean,
                          std=feature_extractor.image_std)
    _train_transforms = Compose([
        RandomResizedCrop(feature_extractor.size),
        RandomHorizontalFlip(),
        ToTensor(),
        normalize,
    ])
    _val_transforms = Compose([
        Resize(feature_extractor.size),
        CenterCrop(feature_extractor.size),
        ToTensor(),
        normalize,
    ])

    def train_transforms(example_batch):
        """Apply _train_transforms across a batch."""
        example_batch["pixel_values"] = [
            _train_transforms(pil_img.convert("RGB"))
            for pil_img in example_batch["image"]
        ]
        return example_batch

    def val_transforms(example_batch):
        """Apply _val_transforms across a batch."""
        example_batch["pixel_values"] = [
            _val_transforms(pil_img.convert("RGB"))
            for pil_img in example_batch["image"]
        ]
        return example_batch

    if training_args.do_train:
        if "train" not in dataset:
            raise ValueError("--do_train requires a train dataset")
        if data_args.max_train_samples is not None:
            dataset["train"] = (dataset["train"].shuffle(
                seed=training_args.seed).select(
                    range(data_args.max_train_samples)))
        # Set the training transforms
        dataset["train"].set_transform(train_transforms)

    if training_args.do_eval:
        if "validation" not in dataset:
            raise ValueError("--do_eval requires a validation dataset")
        if data_args.max_eval_samples is not None:
            dataset["validation"] = (dataset["validation"].shuffle(
                seed=training_args.seed).select(
                    range(data_args.max_eval_samples)))
        # Set the validation transforms
        dataset["validation"].set_transform(val_transforms)

    # Initalize our trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=dataset["train"] if training_args.do_train else None,
        eval_dataset=dataset["validation"] if training_args.do_eval else None,
        compute_metrics=compute_metrics,
        tokenizer=feature_extractor,
        data_collator=collate_fn,
    )

    # Training
    if training_args.do_train:
        checkpoint = None
        if training_args.resume_from_checkpoint is not None:
            checkpoint = training_args.resume_from_checkpoint
        elif last_checkpoint is not None:
            checkpoint = last_checkpoint
        train_result = trainer.train(resume_from_checkpoint=checkpoint)
        trainer.save_model()
        trainer.log_metrics("train", train_result.metrics)
        trainer.save_metrics("train", train_result.metrics)
        trainer.save_state()

    # Evaluation
    if training_args.do_eval:
        metrics = trainer.evaluate()
        trainer.log_metrics("eval", metrics)
        trainer.save_metrics("eval", metrics)

    # Write model card and (optionally) push to hub
    kwargs = {
        "finetuned_from": model_args.model_name_or_path,
        "tasks": "image-classification",
        "dataset": data_args.dataset_name,
        "tags": ["image-classification", "vision"],
    }
    if training_args.push_to_hub:
        trainer.push_to_hub(**kwargs)
    else:
        trainer.create_model_card(**kwargs)
コード例 #14
0
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    model_args = ModelArguments(model_name_or_path="gpt2",
                                model_type="gpt2",
                                cache_dir="/u0/psvadrev/.cache")
    data_args = DataTrainingArguments(
        train_data_file="6_genre_clean_training_data.txt",
        eval_data_file="6_genre_eval_data.txt",
        line_by_line=True,
        mlm=False,
        block_size=512,
        overwrite_cache=True,
    )
    training_args = TrainingArguments(
        output_dir="story_generator_6_genre_eval",
        overwrite_output_dir=True,
        do_train=True,
        do_eval=True,
        do_predict=False,
        evaluate_during_training=False,
        logging_steps=500,
        per_device_train_batch_size=4,
        num_train_epochs=10,
        save_total_limit=1,
        save_steps=1000000,
    )

    if data_args.eval_data_file is None and training_args.do_eval:
        raise ValueError(
            "Cannot do evaluation without an evaluation data file. Either supply a file to --eval_data_file "
            "or remove the --do_eval argument.")

    if (os.path.exists(training_args.output_dir)
            and os.listdir(training_args.output_dir) and training_args.do_train
            and not training_args.overwrite_output_dir):
        raise ValueError(
            f"Output directory ({training_args.output_dir}) already exists and is not empty. Use --overwrite_output_dir to overcome."
        )

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s -   %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        level=logging.INFO
        if training_args.local_rank in [-1, 0] else logging.WARN,
    )
    logger.warning(
        "Process rank: %s, device: %s, n_gpu: %s, distributed training: %s, 16-bits training: %s",
        training_args.local_rank,
        training_args.device,
        training_args.n_gpu,
        bool(training_args.local_rank != -1),
        training_args.fp16,
    )
    logger.info("Training/evaluation parameters %s", training_args)

    # Set seed
    set_seed(training_args.seed)

    # Load pretrained model and tokenizer
    #
    # Distributed training:
    # The .from_pretrained methods guarantee that only one local process can concurrently
    # download model & vocab.

    if model_args.config_name:
        config = AutoConfig.from_pretrained(model_args.config_name,
                                            cache_dir=model_args.cache_dir)
    elif model_args.model_name_or_path:
        config = AutoConfig.from_pretrained(model_args.model_name_or_path,
                                            cache_dir=model_args.cache_dir)
    else:
        config = CONFIG_MAPPING[model_args.model_type]()
        logger.warning(
            "You are instantiating a new config instance from scratch.")

    if model_args.tokenizer_name:
        tokenizer = AutoTokenizer.from_pretrained(
            model_args.tokenizer_name, cache_dir=model_args.cache_dir)
    elif model_args.model_name_or_path:
        tokenizer = AutoTokenizer.from_pretrained(
            model_args.model_name_or_path, cache_dir=model_args.cache_dir)
    else:
        raise ValueError(
            "You are instantiating a new tokenizer from scratch. This is not supported, but you can do it from another script, save it,"
            "and load it from here, using --tokenizer_name")

    if model_args.model_name_or_path:
        model = AutoModelWithLMHead.from_pretrained(
            model_args.model_name_or_path,
            from_tf=bool(".ckpt" in model_args.model_name_or_path),
            config=config,
            cache_dir=model_args.cache_dir,
        )
    else:
        logger.info("Training new model from scratch")
        model = AutoModelWithLMHead.from_config(config)

    special_tokens_dict = {
        "bos_token":
        "<BOS>",
        "eos_token":
        "<EOS>",
        "pad_token":
        "<PAD>",
        "additional_special_tokens": [
            "<superhero>",
            "<action>",
            "<drama>",
            "<thriller>",
            "<horror>",
            "<sci_fi>",
        ],
    }
    num_added_toks = tokenizer.add_special_tokens(special_tokens_dict)
    model.resize_token_embeddings(len(tokenizer))

    if data_args.block_size <= 0:
        data_args.block_size = tokenizer.max_len
        # Our input block size will be the max possible for the model
    else:
        data_args.block_size = min(data_args.block_size, tokenizer.max_len)

    # Get datasets

    train_dataset = (get_dataset(data_args, tokenizer=tokenizer)
                     if training_args.do_train else None)
    eval_dataset = (get_dataset(data_args, tokenizer=tokenizer, evaluate=True)
                    if training_args.do_eval else None)
    data_collator = DataCollatorForLanguageModeling(
        tokenizer=tokenizer,
        mlm=data_args.mlm,
        mlm_probability=data_args.mlm_probability,
    )

    # Initialize our Trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        data_collator=data_collator,
        train_dataset=train_dataset,
        eval_dataset=eval_dataset,
        prediction_loss_only=True,
    )

    # Training
    if training_args.do_train:
        model_path = (model_args.model_name_or_path
                      if model_args.model_name_or_path is not None
                      and os.path.isdir(model_args.model_name_or_path) else
                      None)
        trainer.train(model_path=model_path)
        trainer.save_model()
        # For convenience, we also re-save the tokenizer to the same directory,
        # so that you can share your model easily on huggingface.co/models =)
        if trainer.is_world_master():
            tokenizer.save_pretrained(training_args.output_dir)

    # Evaluation
    results = {}
    if training_args.do_eval:
        logger.info("*** Evaluate ***")

        eval_output = trainer.evaluate()

        perplexity = math.exp(eval_output["eval_loss"])
        result = {"perplexity": perplexity}

        output_eval_file = os.path.join(training_args.output_dir,
                                        "eval_results_lm.txt")
        if trainer.is_world_master():
            with open(output_eval_file, "w") as writer:
                logger.info("***** Eval results *****")
                for key in sorted(result.keys()):
                    logger.info("  %s = %s", key, str(result[key]))
                    writer.write("%s = %s\n" % (key, str(result[key])))

        results.update(result)

    return results
コード例 #15
0
def train_model(dict_args):
    # parse args dict
    parser = HfArgumentParser(
        (ModelArguments, DataTrainingArguments, TrainingArguments))
    model_args, data_args, training_args = parser.parse_dict(dict_args)

    if (os.path.exists(training_args.output_dir)
            and os.listdir(training_args.output_dir) and training_args.do_train
            and not training_args.overwrite_output_dir):
        raise ValueError(
            f"Output directory ({training_args.output_dir}) already exists and is not empty."
            "Use --overwrite_output_dir to overcome.")

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s -   %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        level=logging.INFO
        if is_main_process(training_args.local_rank) else logging.WARN,
    )

    # Log on each process the small summary:
    logger.warning(
        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}"
        +
        f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
    )
    # Set the verbosity to info of the Transformers logger (on main process only):
    if is_main_process(training_args.local_rank):
        transformers.utils.logging.set_verbosity_info()
        transformers.utils.logging.enable_default_handler()
        transformers.utils.logging.enable_explicit_format()
    logger.info("Training/evaluation parameters %s", training_args)
    logger.info("Data Arguments %s", data_args)
    logger.info("Model Arguments %s", model_args)

    # Set seed before initializing model.
    set_seed(training_args.seed)

    # load datasets
    assert os.path.exists(data_args.train_file) and os.path.exists(
        data_args.validation_file) and os.path.exists(data_args.test_file)
    datasets = load_dataset("csv",
                            data_files={
                                "train": data_args.train_file,
                                "validation": data_args.validation_file,
                                "test": data_args.test_file
                            },
                            delimiter="\t",
                            cache_dir=model_args.cache_dir)
    logger.info("Datasets %s", datasets)
    logger.info("Column names %s", datasets["train"].column_names)
    logger.info("Sample example %s", datasets["train"][0])

    # get label information
    text_column_name = "text"
    label_column_name = "labels"
    bbox_column_name = "bbox"
    num_labels, label_to_id, id_to_label = get_label_info(
        datasets["train"][label_column_name], data_args.task_name)
    logger.info("num_labels %s", num_labels)
    logger.info("label_to_id %s", label_to_id)
    logger.info("id_to_label %s", id_to_label)

    # Load config, tokenizer and pre-trained model
    # For Distributed training: The .from_pretrained methods guarantee that only
    # one local process can concurrently download model & vocab.
    if data_args.task_name == "regression":
        config = AutoConfig.from_pretrained(
            model_args.config_name
            if model_args.config_name else model_args.model_name_or_path,
            num_labels=num_labels,
            finetuning_task=data_args.task_name,
            cache_dir=model_args.cache_dir
            # for longformer : May adapt the attention_window=512 (default) in config
        )
    else:
        config = AutoConfig.from_pretrained(
            model_args.config_name
            if model_args.config_name else model_args.model_name_or_path,
            num_labels=num_labels,
            id2label=id_to_label,
            label2id=label_to_id,
            finetuning_task=data_args.task_name,
            cache_dir=model_args.cache_dir
            # for longformer : May adapt the attention_window=512 (default) in config
        )

    tokenizer = AutoTokenizer.from_pretrained(
        model_args.tokenizer_name
        if model_args.tokenizer_name else model_args.model_name_or_path,
        cache_dir=model_args.cache_dir,
        use_fast=True,
        add_prefix_space=True  # for roberta tokenizer
    )

    if data_args.task_name == "ner":
        model = AutoModelForTokenClassification.from_pretrained(
            model_args.model_name_or_path,
            from_tf=bool(".ckpt" in model_args.model_name_or_path),
            config=config,
            cache_dir=model_args.cache_dir,
        )
    else:
        model = AutoModelForSequenceClassification.from_pretrained(
            model_args.model_name_or_path,
            from_tf=bool(".ckpt" in model_args.model_name_or_path),
            config=config,
            cache_dir=model_args.cache_dir)

    # Tokenizer check: this script requires a fast tokenizer.
    if not isinstance(tokenizer, PreTrainedTokenizerFast):
        raise ValueError(
            "This example script only works for models that have a fast tokenizer. Checkout the big table of models "
            "at https://huggingface.co/transformers/index.html#bigtable to find the model types that meet this "
            "requirement")

    # Pre-process the datasets (tokenize words and align labels/bboxes if needed)
    padding = "max_length" if data_args.pad_to_max_length else False
    use_bbox = data_args.use_bbox
    tokenized_datasets = datasets.map(
        lambda x: preprocess_dataset(x, tokenizer, label_to_id, data_args.
                                     label_all_tokens, padding, use_bbox,
                                     data_args.task_name),
        remove_columns=[label_column_name],
        batched=True,
        num_proc=data_args.preprocessing_num_workers,
        load_from_cache_file=not data_args.overwrite_cache,
    )
    logger.info("Tokenized datasets %s", tokenized_datasets)
    logger.info("Column names %s", tokenized_datasets["train"].column_names)
    logger.info("Sample example %s", tokenized_datasets["train"][0])

    # Data collator. Used to pad the inputs of a single batch to the max size of this batch
    # Not needed if padding has already been done (if pad_to_max_length is true): default_data_collator
    # This does not work with bboxes. Hence pad_to_max_length is always True when using bboxes
    if data_args.pad_to_max_length:
        data_collator = default_data_collator
    else:
        if data_args.task_name == "ner":
            data_collator = DataCollatorForTokenClassification(tokenizer)
        else:
            data_collator = None  # will default to DataCollatorWithPadding
    logger.info("Data Collator used %s", data_collator)

    # Initialize our Trainer
    if data_args.task_name != "multilabel-classif":
        trainer = Trainer(
            model=model,
            args=training_args,
            train_dataset=tokenized_datasets["train"]
            if training_args.do_train else None,
            eval_dataset=tokenized_datasets["validation"]
            if training_args.do_eval else None,
            tokenizer=tokenizer,
            data_collator=data_collator,
            compute_metrics=lambda x: compute_metrics(x, id_to_label, data_args
                                                      .task_name),
        )
    else:
        trainer = MultilabelClassificationTrainer(
            model=model,
            args=training_args,
            train_dataset=tokenized_datasets["train"]
            if training_args.do_train else None,
            eval_dataset=tokenized_datasets["validation"]
            if training_args.do_eval else None,
            tokenizer=tokenizer,
            data_collator=data_collator,
            compute_metrics=lambda x: compute_metrics(x, id_to_label, data_args
                                                      .task_name),
        )

    # Training
    if training_args.do_train:
        train_result = trainer.train(
            model_path=model_args.model_name_or_path if os.path.
            isdir(model_args.model_name_or_path) else None)
        # we save the final model (last or best) to the sagemaker output folder
        trainer.save_model(output_dir=data_args.sagemaker_output_path
                           )  # It saves the tokenizer too for easy upload
        output_train_file = os.path.join(data_args.sagemaker_output_path,
                                         "train_results.txt")
        if trainer.is_world_process_zero():
            with open(output_train_file, "w") as writer:
                logger.info("***** Train results *****")
                for key, value in sorted(train_result.metrics.items()):
                    logger.info(f"  {key} = {value}")
                    writer.write(f"{key} = {value}\n")
            # Need to save the state, since Trainer.save_model saves only the tokenizer with the model
            trainer.state.save_to_json(
                os.path.join(data_args.sagemaker_output_path,
                             "trainer_state.json"))
            # We also save the model_args and data_args for future use (training_args are already saved)
            torch.save(
                asdict(model_args),
                os.path.join(data_args.sagemaker_output_path,
                             "model_args.bin"))
            torch.save(
                asdict(data_args),
                os.path.join(data_args.sagemaker_output_path, "data_args.bin"))

    # Evaluation (This will evaluate the final/best model on the dev set and write results
    results = {}
    if training_args.do_eval:
        logger.info("*** Evaluate best/final model on dev set ***")
        results = trainer.evaluate()
        output_eval_file = os.path.join(data_args.sagemaker_output_path,
                                        "eval_results.txt")
        if trainer.is_world_process_zero():
            with open(output_eval_file, "w") as writer:
                logger.info("***** Eval results *****")
                for key, value in results.items():
                    logger.info(f"  {key} = {value}")
                    writer.write(f"{key} = {value}\n")

    # Evaluate and Predict on test set
    if training_args.do_predict:
        logger.info("*** Predict on test set ***")
        test_dataset = tokenized_datasets["test"]
        predictions, labels, metrics = trainer.predict(
            test_dataset, metric_key_prefix="test")
        if data_args.task_name == "classif":
            true_predictions = [
                id_to_label[p] for p in np.argmax(predictions, axis=1)
            ]
        elif data_args.task_name == "multilabel-classif":
            predictions = 1 / (1 + np.exp(-predictions))  # sigmoid
            predictions = (predictions > 0.5)  # threshold
            true_predictions = [[id_to_label[i] for i in np.where(p == 1)[0]]
                                for p in predictions]
        elif data_args.task_name == "regression":
            true_predictions = np.squeeze(predictions)
        elif data_args.task_name == "ner":
            predictions = np.argmax(predictions, axis=2)
            true_predictions = [[
                id_to_label[p] for (p, l) in zip(prediction, label)
                if l != -100
            ] for prediction, label in zip(predictions, labels)]
        output_test_results_file = os.path.join(
            data_args.sagemaker_output_path, "test_results.txt")
        if trainer.is_world_process_zero():
            with open(output_test_results_file, "w") as writer:
                for key, value in sorted(metrics.items()):
                    logger.info(f"  {key} = {value}")
                    writer.write(f"{key} = {value}\n")
        output_test_predictions_file = os.path.join(
            data_args.sagemaker_output_path, "test_predictions.txt")
        if trainer.is_world_process_zero():
            with open(output_test_predictions_file, "w") as writer:
                for prediction in true_predictions:
                    if data_args.task_name == "ner":
                        writer.write(" ".join(prediction) + "\n")
                    else:
                        writer.write(str(prediction) + "\n")
    return results
コード例 #16
0
ファイル: run_glue.py プロジェクト: DallesLee/transformers
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser((ModelArguments, DataTrainingArguments, TrainingArguments))

    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
        # If we pass only one argument to the script and it's the path to a json file,
        # let's parse it to get our arguments.
        model_args, data_args, training_args = parser.parse_json_file(json_file=os.path.abspath(sys.argv[1]))
    else:
        model_args, data_args, training_args = parser.parse_args_into_dataclasses()

    if (
        os.path.exists(training_args.output_dir)
        and os.listdir(training_args.output_dir)
        and training_args.do_train
        and not training_args.overwrite_output_dir
    ):
        raise ValueError(
            f"Output directory ({training_args.output_dir}) already exists and is not empty. Use --overwrite_output_dir to overcome."
        )

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s -   %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        level=logging.INFO if training_args.local_rank in [-1, 0] else logging.WARN,
    )
    logger.warning(
        "Process rank: %s, device: %s, n_gpu: %s, distributed training: %s, 16-bits training: %s",
        training_args.local_rank,
        training_args.device,
        training_args.n_gpu,
        bool(training_args.local_rank != -1),
        training_args.fp16,
    )
    logger.info("Training/evaluation parameters %s", training_args)

    # Set seed
    set_seed(training_args.seed)

    try:
        num_labels = glue_tasks_num_labels[data_args.task_name]
        output_mode = glue_output_modes[data_args.task_name]
    except KeyError:
        raise ValueError("Task not found: %s" % (data_args.task_name))

    # Load pretrained model and tokenizer
    #
    # Distributed training:
    # The .from_pretrained methods guarantee that only one local process can concurrently
    # download model & vocab.

    config = AutoConfig.from_pretrained(
        model_args.config_name if model_args.config_name else model_args.model_name_or_path,
        num_labels=num_labels,
        finetuning_task=data_args.task_name,
        cache_dir=model_args.cache_dir,
    )
    tokenizer = AutoTokenizer.from_pretrained(
        model_args.tokenizer_name if model_args.tokenizer_name else model_args.model_name_or_path,
        cache_dir=model_args.cache_dir,
    )
    model = AutoModelForSequenceClassification.from_pretrained(
        model_args.model_name_or_path,
        from_tf=bool(".ckpt" in model_args.model_name_or_path),
        config=config,
        cache_dir=model_args.cache_dir,
    )

    # Get datasets
    train_dataset = (
        GlueDataset(data_args, tokenizer=tokenizer, cache_dir=model_args.cache_dir) if training_args.do_train else None
    )
    eval_dataset = (
        GlueDataset(data_args, tokenizer=tokenizer, mode="dev", cache_dir=model_args.cache_dir)
        if training_args.do_eval
        else None
    )
    test_dataset = (
        GlueDataset(data_args, tokenizer=tokenizer, mode="test", cache_dir=model_args.cache_dir)
        if training_args.do_predict
        else None
    )

    def build_compute_metrics_fn(task_name: str) -> Callable[[EvalPrediction], Dict]:
        def compute_metrics_fn(p: EvalPrediction):
            if output_mode == "classification":
                preds = np.argmax(p.predictions, axis=1)
            elif output_mode == "regression":
                preds = np.squeeze(p.predictions)
            return glue_compute_metrics(task_name, preds, p.label_ids)

        return compute_metrics_fn

    # Initialize our Trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=train_dataset,
        eval_dataset=eval_dataset,
        compute_metrics=build_compute_metrics_fn(data_args.task_name),
    )

    # Training
    if training_args.do_train:
        trainer.train(
            model_path=model_args.model_name_or_path if os.path.isdir(model_args.model_name_or_path) else None
        )
        trainer.save_model()
        # For convenience, we also re-save the tokenizer to the same directory,
        # so that you can share your model easily on huggingface.co/models =)
        if trainer.is_world_master():
            tokenizer.save_pretrained(training_args.output_dir)

    # Evaluation
    eval_results = {}
    if training_args.do_eval:
        logger.info("*** Evaluate ***")

        # Loop to handle MNLI double evaluation (matched, mis-matched)
        eval_datasets = [eval_dataset]
        if data_args.task_name == "mnli":
            mnli_mm_data_args = dataclasses.replace(data_args, task_name="mnli-mm")
            eval_datasets.append(
                GlueDataset(mnli_mm_data_args, tokenizer=tokenizer, mode="dev", cache_dir=model_args.cache_dir)
            )

        for eval_dataset in eval_datasets:
            trainer.compute_metrics = build_compute_metrics_fn(eval_dataset.args.task_name)
            eval_result = trainer.evaluate(eval_dataset=eval_dataset)

            output_eval_file = os.path.join(
                training_args.output_dir, f"eval_results_{eval_dataset.args.task_name}.txt"
            )
            if trainer.is_world_master():
                with open(output_eval_file, "w") as writer:
                    logger.info("***** Eval results {} *****".format(eval_dataset.args.task_name))
                    for key, value in eval_result.items():
                        logger.info("  %s = %s", key, value)
                        writer.write("%s = %s\n" % (key, value))

            eval_results.update(eval_result)

    if training_args.do_predict:
        logging.info("*** Test ***")
        test_datasets = [test_dataset]
        if data_args.task_name == "mnli":
            mnli_mm_data_args = dataclasses.replace(data_args, task_name="mnli-mm")
            test_datasets.append(
                GlueDataset(mnli_mm_data_args, tokenizer=tokenizer, mode="test", cache_dir=model_args.cache_dir)
            )

        for test_dataset in test_datasets:
            predictions = trainer.predict(test_dataset=test_dataset).predictions
            if output_mode == "classification":
                predictions = np.argmax(predictions, axis=1)

            output_test_file = os.path.join(
                training_args.output_dir, f"test_results_{test_dataset.args.task_name}.txt"
            )
            if trainer.is_world_master():
                with open(output_test_file, "w") as writer:
                    logger.info("***** Test results {} *****".format(test_dataset.args.task_name))
                    writer.write("index\tprediction\n")
                    for index, item in enumerate(predictions):
                        if output_mode == "regression":
                            writer.write("%d\t%3.3f\n" % (index, item))
                        else:
                            item = test_dataset.get_labels()[item]
                            writer.write("%d\t%s\n" % (index, item))
    return eval_results
コード例 #17
0
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser(
        (ModelArguments, DataTrainingArguments, TrainingArguments))
    model_args, data_args, training_args = parser.parse_args_into_dataclasses()

    if (os.path.exists(training_args.output_dir)
            and os.listdir(training_args.output_dir) and training_args.do_train
            and not training_args.overwrite_output_dir):
        raise ValueError(
            f"Output directory ({training_args.output_dir}) already exists and is not empty. Use --overwrite_output_dir to overcome."
        )

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s -   %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        level=logging.INFO
        if training_args.local_rank in [-1, 0] else logging.WARN,
    )
    logger.warning(
        "Process rank: %s, device: %s, n_gpu: %s, distributed training: %s, 16-bits training: %s",
        training_args.local_rank,
        training_args.device,
        training_args.n_gpu,
        bool(training_args.local_rank != -1),
        training_args.fp16,
    )
    logger.info("Training/evaluation parameters %s", training_args)

    # Set seed
    set_seed(training_args.seed)

    try:
        processor = processors[data_args.task_name]()
        label_list = processor.get_labels()
        num_labels = len(label_list)
    except KeyError:
        raise ValueError("Task not found: %s" % (data_args.task_name))

    # Load pretrained model and tokenizer
    #
    # Distributed training:
    # The .from_pretrained methods guarantee that only one local process can concurrently
    # download model & vocab.

    config = AutoConfig.from_pretrained(
        model_args.config_name
        if model_args.config_name else model_args.model_name_or_path,
        num_labels=num_labels,
        finetuning_task=data_args.task_name,
        cache_dir=model_args.cache_dir,
    )
    tokenizer = AutoTokenizer.from_pretrained(
        model_args.tokenizer_name
        if model_args.tokenizer_name else model_args.model_name_or_path,
        cache_dir=model_args.cache_dir,
    )
    model = AutoModelForMultipleChoice.from_pretrained(
        model_args.model_name_or_path,
        from_tf=bool(".ckpt" in model_args.model_name_or_path),
        config=config,
        cache_dir=model_args.cache_dir,
    )

    # Get datasets
    train_dataset = (MultipleChoiceDataset(
        data_dir=data_args.data_dir,
        tokenizer=tokenizer,
        task=data_args.task_name,
        max_seq_length=data_args.max_seq_length,
        overwrite_cache=data_args.overwrite_cache,
        mode=Split.train,
    ) if training_args.do_train else None)
    eval_dataset = (MultipleChoiceDataset(
        data_dir=data_args.data_dir,
        tokenizer=tokenizer,
        task=data_args.task_name,
        max_seq_length=data_args.max_seq_length,
        overwrite_cache=data_args.overwrite_cache,
        mode=Split.dev,
    ) if training_args.do_eval else None)

    def compute_metrics(p: EvalPrediction) -> Dict:
        preds = np.argmax(p.predictions, axis=1)
        return {"acc": simple_accuracy(preds, p.label_ids)}

    # Initialize our Trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=train_dataset,
        eval_dataset=eval_dataset,
        compute_metrics=compute_metrics,
    )

    # Training
    if training_args.do_train:
        trainer.train(model_path=model_args.model_name_or_path if os.path.
                      isdir(model_args.model_name_or_path) else None)
        trainer.save_model()
        # For convenience, we also re-save the tokenizer to the same directory,
        # so that you can share your model easily on huggingface.co/models =)
        if trainer.is_world_master():
            tokenizer.save_pretrained(training_args.output_dir)

    # Evaluation
    results = {}
    if training_args.do_eval and training_args.local_rank in [-1, 0]:
        logger.info("*** Evaluate ***")

        result = trainer.evaluate()

        output_eval_file = os.path.join(training_args.output_dir,
                                        "eval_results.txt")
        with open(output_eval_file, "w") as writer:
            logger.info("***** Eval results *****")
            for key, value in result.items():
                logger.info("  %s = %s", key, value)
                writer.write("%s = %s\n" % (key, value))

            results.update(result)

    return results
コード例 #18
0
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser(
        (ModelArguments, DataTrainingArguments, TrainingArguments,
         ArchitectureArguments, CustomOthersArguments))

    (model_args, data_args, training_args, arch_args,
     custom_args) = parser.parse_args_into_dataclasses()

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s -   %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        level=logging.INFO
        if is_main_process(training_args.local_rank) else logging.WARN,
    )

    # Log on each process the small summary:
    logger.warning(
        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}"
        +
        f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
    )
    # Set the verbosity to info of the Transformers logger (on main process only):
    if is_main_process(training_args.local_rank):
        transformers.utils.logging.set_verbosity_info()
    logger.info("Training/evaluation parameters %s", training_args)

    # Set seed before initializing model.
    set_seed(training_args.seed)

    train_files = list(
        sorted(glob.glob(f'{data_args.train_dir}/*.{custom_args.ext}')))
    validation_files = list(
        sorted(glob.glob(f'{data_args.eval_dir}/*.{custom_args.ext}')))
    if len(train_files) > 1:
        logger.warning(
            f'Got {len(train_files)} train files, only pick first file.')
        train_files = train_files[:1]
    if len(validation_files) > 1:
        logger.warning(
            f'Got {len(validation_files)} validation files, only pick first file.'
        )
        validation_files = validation_files[:1]

    # Load pretrained model and tokenizer
    #
    # Distributed training:
    # The .from_pretrained methods guarantee that only one local process can concurrently
    # download model & vocab.
    # Create config for LM model
    if model_args.tokenizer_type == 'ThaiRobertaTokenizer':
        tokenizer = ThaiRobertaTokenizer.from_pretrained(
            model_args.tokenizer_name_or_path,
            use_fast=model_args.use_fast_tokenizer)
    elif model_args.tokenizer_type == 'ThaiWordsNewmmTokenizer':
        tokenizer = ThaiWordsNewmmTokenizer.from_pretrained(
            model_args.tokenizer_name_or_path)
    elif model_args.tokenizer_type == 'ThaiWordsSyllableTokenizer':
        tokenizer = ThaiWordsSyllableTokenizer.from_pretrained(
            model_args.tokenizer_name_or_path)
    elif model_args.tokenizer_type == 'FakeSefrCutTokenizer':
        tokenizer = FakeSefrCutTokenizer.from_pretrained(
            model_args.tokenizer_name_or_path)
    else:
        raise NotImplementedError(
            f'tokenizer_type {model_args.tokenizer_type} is not implemeted.')

    if custom_args.ext == 'txt':
        if len(train_files) > 1 or len(validation_files) > 1:
            raise NotImplementedError('only one txt file support for now')
        if data_args.datasets_type == 'MemmapLineByLineTextDataset':
            datasets = {
                'train':
                MemmapLineByLineTextDataset(
                    tokenizer, train_files[0], data_args.max_seq_length,
                    os.path.join(data_args.datasets_cache_dir, 'train'),
                    custom_args.tokenize_chunksize, data_args.overwrite_cache),
                'validation':
                MemmapLineByLineTextDataset(
                    tokenizer, validation_files[0], data_args.max_seq_length,
                    os.path.join(data_args.datasets_cache_dir, 'validation'),
                    custom_args.tokenize_chunksize, data_args.overwrite_cache)
            }
        elif data_args.datasets_type == 'MemmapConcatFullSentenceTextDataset':
            datasets = {
                'train':
                MemmapConcatFullSentenceTextDataset(
                    tokenizer, train_files[0], data_args.max_seq_length,
                    os.path.join(data_args.datasets_cache_dir, 'train'),
                    custom_args.tokenize_chunksize, data_args.overwrite_cache),
                'validation':
                PaddedDataset(
                    MemmapConcatFullSentenceTextDataset(
                        tokenizer, validation_files[0],
                        data_args.max_seq_length,
                        os.path.join(data_args.datasets_cache_dir,
                                     'validation'),
                        custom_args.tokenize_chunksize,
                        data_args.overwrite_cache), tokenizer.pad_token_id,
                    data_args.max_seq_length)
            }
        else:
            raise NotImplementedError(
                f'No specified datasets type {data_args.datasets_type}')
    else:
        raise NotImplementedError(f'not supprt {custom_args.ext},'
                                  f'but this should be possible to support.')

    if custom_args.build_dataset_only:
        return

    ROBERTA_PRETRAINED_CONFIG_ARCHIVE_MAP = {
        "roberta-base": "../roberta_config/th-roberta-base-config.json",
        "roberta-large": "../roberta_config/th-roberta-large-config.json",
    }

    config = AutoConfig.from_pretrained(
        pretrained_model_name_or_path=ROBERTA_PRETRAINED_CONFIG_ARCHIVE_MAP[
            arch_args.architecture],
        vocab_size=tokenizer.vocab_size)

    # Some sanity check
    tokenizer_and_model_config_mismatch(config, tokenizer)
    block_size_exceed_max_position_embeddings(config, data_args.max_seq_length)

    # Initialize model
    model = RobertaForMaskedLM(config=config)

    if custom_args.model_dir is not None:
        model_path = os.path.join(custom_args.model_dir, 'pytorch_model.bin')
        logger.info(
            f'[INFO] Load pretrianed model (state_dict) from {model_path}')
        # Use strict=False to kept model compatible with older version,
        # so we can bumb transformers version up and use new datasets library
        # see this issues https://github.com/huggingface/transformers/issues/6882
        # The program itself will run but does it has any side effect?
        # Maybe bad idea?
        try:
            model.load_state_dict(state_dict=torch.load(model_path))
        except RuntimeError:
            logger.info(
                '[INFO] RuntimeError, try loading with strict=False instead.')
            model.load_state_dict(state_dict=torch.load(model_path),
                                  strict=False)
        # If we did not add strict=False, this will raise Error since the keys are not match
        # RuntimeError: Error(s) in loading state_dict for RobertaForMaskedLM:
        #     Missing key(s) in state_dict: "roberta.embeddings.position_ids".
        #     Unexpected key(s) in state_dict: "roberta.pooler.dense.weight",
        # "roberta.pooler.dense.bias".

    data_collator = DataCollatorForLanguageModeling(
        tokenizer=tokenizer, mlm_probability=data_args.mlm_probability)

    # Initialize trainer
    trainer = Trainer(model=model,
                      args=training_args,
                      train_dataset=datasets["train"],
                      eval_dataset=datasets["validation"],
                      data_collator=data_collator)

    # Training
    if custom_args.model_dir is not None:
        trainer.train(model_path=custom_args.model_dir)
    else:
        trainer.train()

    # save
    output_model_dir = os.path.join(training_args.output_dir, 'roberta_thai')
    logging.info(" Save final model to '%s'.", output_model_dir)
    trainer.save_model(output_model_dir)

    if trainer.is_world_process_zero():
        output_tokenizer_dir = os.path.join(training_args.output_dir,
                                            'roberta_thai_tokenizer')
        tokenizer.save_pretrained(output_tokenizer_dir)

    # evaluate
    trainer.evaluate()
コード例 #19
0
def fine_tune(cfg: DictConfig) -> float:
    """fine tune bert module"""
    init_wandb(cfg)
    train_ds, test_ds = getDataset(cfg)

    config = AutoConfig.from_pretrained(cfg.model.arch,
                                        num_labels=cfg.model.num_labels)

    model = AutoModelForSequenceClassification.from_pretrained(cfg.model.arch,
                                                               config=config)
    id = wandb.run.name.rsplit("-", 1)[1]
    trainConfig = cfg.train
    output_dir = os.path.join(trainConfig["output_dir"], id)
    print("module output dir = ", output_dir)
    train_args = TrainingArguments(
        # module pred/ckpt
        output_dir=output_dir,
        # tensorboard logs
        logging_dir="./logs",
        num_train_epochs=trainConfig["epoch"],
        per_device_train_batch_size=trainConfig["train_batch_size"],
        per_device_eval_batch_size=trainConfig["eval_batch_size"],
        # x (logging / eval /save) every acc * x_steps
        gradient_accumulation_steps=trainConfig["acc_batch"],
        evaluation_strategy=IntervalStrategy.EPOCH,
        label_smoothing_factor=trainConfig["label_smooth"],
        # AdamW
        learning_rate=trainConfig["lr"],
        warmup_steps=trainConfig["warmup"],
        # apply to all layers but bias / LayerNorm
        weight_decay=trainConfig["wd"],
        # save_total_limit=2,
        # if True, ignore param save_strategy / save_steps / save_total_limit
        load_best_model_at_end=True,
        # report_to=["none"],
        report_to=["wandb"],
        seed=cfg.seed,
        logging_strategy=IntervalStrategy.STEPS,
        metric_for_best_model=trainConfig["metric"])

    trainer = Trainer(
        model,
        args=train_args,
        train_dataset=train_ds,
        eval_dataset=test_ds,
        callbacks=[
            EarlyStoppingCallback(
                early_stopping_patience=trainConfig["early_stopping_patience"]
            ),
        ],
        compute_metrics=compute_metrics,
    )

    print("logs in dir", os.getcwd())
    print("gpu count = ", trainer.args.n_gpu, "is_fp16 =", trainer.args.fp16)

    trainer.train()
    trainer.evaluate()

    # best module
    trainer.model.save_pretrained(os.path.join(output_dir, "best"))
    y_pred_tuple = trainer.predict(test_ds)
    logits, y_true, metrics = y_pred_tuple
    y_pred = logits.argmax(-1)

    plot_heat_map(y_true, y_pred, cfg.model.num_labels)

    acc = accuracy_score(y_true, y_pred)
    print(acc)
    wandb.finish()
    return acc
コード例 #20
0
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser(
        (ModelArguments, DataTrainingArguments, Seq2SeqTrainingArguments))
    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
        # If we pass only one argument to the script and it's the path to a json file,
        # let's parse it to get our arguments.
        model_args, data_args, training_args = parser.parse_json_file(
            json_file=os.path.abspath(sys.argv[1]))
    else:
        model_args, data_args, training_args = parser.parse_args_into_dataclasses(
        )

    # Detecting last checkpoint.
    last_checkpoint = None
    if os.path.isdir(
            training_args.output_dir
    ) and training_args.do_train and not training_args.overwrite_output_dir:
        last_checkpoint = get_last_checkpoint(training_args.output_dir)
        if last_checkpoint is None and len(os.listdir(
                training_args.output_dir)) > 0:
            raise ValueError(
                f"Output directory ({training_args.output_dir}) already exists and is not empty. "
                "Use --overwrite_output_dir to overcome.")
        elif last_checkpoint is not None:
            logger.info(
                f"Checkpoint detected, resuming training at {last_checkpoint}. To avoid this behavior, change "
                "the `--output_dir` or add `--overwrite_output_dir` to train from scratch."
            )

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s - %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        handlers=[logging.StreamHandler(sys.stdout)],
    )
    logger.setLevel(logging.INFO if is_main_process(training_args.local_rank
                                                    ) else logging.WARN)

    # Log on each process the small summary:
    logger.warning(
        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}"
        f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
    )
    # Set the verbosity to info of the Transformers logger (on main process only):
    if is_main_process(training_args.local_rank):
        transformers.utils.logging.set_verbosity_info()
    logger.info("Training/evaluation parameters %s", training_args)

    # Set seed before initializing model.
    set_seed(training_args.seed)

    # 1. First, let's load the dataset
    raw_datasets = DatasetDict()
    task_name = data_args.task
    lang_id = data_args.language

    if task_name is None:
        raise ValueError(
            "Set --task should be set to '<xtreme_s_task>' (e.g. 'fleurs-asr', 'mls', 'covost2', 'minds14') "
        )
    if lang_id is None:
        raise ValueError(
            "Set --language should be set to the language id of the sub dataset "
            "config to be used (e.g. 'pl', 'en.tr', 'fr-FR') or 'all'"
            " for multi-lingual fine-tuning.")
    if data_args.language_group is not None:
        if data_args.task != "fleurs-asr":
            raise ValueError(
                "--language_group should only be used with --task=fleurs-asr")
        if data_args.language != "all":
            raise ValueError(
                "--language_group should only be used with --language=all")

    if data_args.target_column_name is None:
        target_column_name = TASK_TO_TARGET_COLUMN_NAME[task_name]
    else:
        target_column_name = data_args.target_column_name

    # here we differentiate between tasks with text as the target and classification tasks
    is_text_target = target_column_name in ("transcription", "translation")

    config_name = ".".join([task_name.split("-")[0], lang_id])

    if training_args.do_train:
        raw_datasets["train"] = load_dataset(
            data_args.dataset_name,
            config_name,
            split=data_args.train_split_name,
            use_auth_token=data_args.use_auth_token,
            cache_dir=model_args.cache_dir,
        )

        if data_args.audio_column_name not in raw_datasets[
                "train"].column_names:
            raise ValueError(
                f"--audio_column_name '{data_args.audio_column_name}' not found in dataset '{data_args.dataset_name}'."
                " Make sure to set `--audio_column_name` to the correct audio column - one of"
                f" {', '.join(raw_datasets['train'].column_names)}.")

        if target_column_name not in raw_datasets["train"].column_names:
            raise ValueError(
                f"--target_column_name {target_column_name} not found in dataset '{data_args.dataset_name}'. "
                "Make sure to set `--target_column_name` to the correct text column - one of "
                f"{', '.join(raw_datasets['train'].column_names)}.")

        if data_args.max_train_samples is not None:
            raw_datasets["train"] = raw_datasets["train"].select(
                range(data_args.max_train_samples))

    if training_args.do_eval:
        raw_datasets["eval"] = load_dataset(
            data_args.dataset_name,
            config_name,
            split=data_args.eval_split_name,
            use_auth_token=data_args.use_auth_token,
            cache_dir=model_args.cache_dir,
        )

        if data_args.max_eval_samples is not None:
            raw_datasets["eval"] = raw_datasets["eval"].select(
                range(data_args.max_eval_samples))

    if training_args.do_predict:
        raw_datasets["predict"] = load_dataset(
            data_args.dataset_name,
            config_name,
            split=data_args.predict_split_name,
            use_auth_token=data_args.use_auth_token,
            cache_dir=model_args.cache_dir,
        )

        if data_args.max_predict_samples is not None:
            raw_datasets["predict"] = raw_datasets["predict"].select(
                range(data_args.max_predict_samples))

    lang_list = next(iter(raw_datasets.values())).features["lang_id"].names
    if not is_text_target:
        label_list = next(iter(
            raw_datasets.values())).features[target_column_name].names
        num_labels = len(label_list)

    num_workers = data_args.preprocessing_num_workers

    lang_group = data_args.language_group
    if lang_group is not None:
        with training_args.main_process_first(desc="language group filter"):
            lang_group_id = next(iter(
                raw_datasets.values())).features["lang_group_id"].str2int(
                    lang_group)
            raw_datasets = raw_datasets.filter(
                lambda lang_group: lang_group == lang_group_id,
                num_proc=num_workers,
                input_columns=["lang_group_id"],
            )

    # 2. We remove some special characters from the datasets
    # that make training complicated and do not help in transcribing the speech
    # E.g. characters, such as `,` and `.` do not really have an acoustic characteristic
    # that could be easily picked up by the model
    chars_to_ignore_regex = (f'[{"".join(data_args.chars_to_ignore)}]' if
                             data_args.chars_to_ignore is not None else None)

    def remove_special_characters(batch):
        if chars_to_ignore_regex is not None:
            batch["target_text"] = re.sub(
                chars_to_ignore_regex, "",
                batch[target_column_name]).lower() + " "
        else:
            batch["target_text"] = batch[target_column_name].lower() + " "
        return batch

    if is_text_target:
        with training_args.main_process_first(
                desc="dataset map special characters removal"):
            raw_datasets = raw_datasets.map(
                remove_special_characters,
                remove_columns=[target_column_name],
                desc="remove special characters from datasets",
            )

        # save special tokens for tokenizer
        word_delimiter_token = data_args.word_delimiter_token
        unk_token = data_args.unk_token
        pad_token = data_args.pad_token

    # 3. Next, let's load the config as we might need it to create
    # the tokenizer
    config = AutoConfig.from_pretrained(
        model_args.model_name_or_path,
        cache_dir=model_args.cache_dir,
        use_auth_token=data_args.use_auth_token)

    if is_text_target:
        # 4. (Optional, for ASR and translation) If no tokenizer file is defined,
        # we create the vocabulary of the model by extracting all unique characters from
        # the training and evaluation datasets
        # We need to make sure that only first rank saves vocabulary
        # make sure all processes wait until vocab is created
        tokenizer_name_or_path = model_args.tokenizer_name_or_path
        tokenizer_kwargs = {}
        if tokenizer_name_or_path is None:
            # save vocab in training output dir
            tokenizer_name_or_path = training_args.output_dir

            vocab_file = os.path.join(tokenizer_name_or_path, "vocab.json")

            with training_args.main_process_first():
                if training_args.overwrite_output_dir and os.path.isfile(
                        vocab_file):
                    os.remove(vocab_file)

            with training_args.main_process_first(
                    desc="dataset map vocabulary creation"):
                if not os.path.isfile(vocab_file):
                    os.makedirs(tokenizer_name_or_path, exist_ok=True)
                    vocab_dict = create_vocabulary_from_data(
                        raw_datasets,
                        word_delimiter_token=word_delimiter_token,
                        unk_token=unk_token,
                        pad_token=pad_token,
                    )

                    # save vocab dict to be loaded into tokenizer
                    with open(vocab_file, "w") as file:
                        json.dump(vocab_dict, file)

            # if tokenizer has just been created
            # it is defined by `tokenizer_class` if present in config else by `model_type`
            if not config.is_encoder_decoder:
                tokenizer_kwargs = {
                    "config":
                    config if config.tokenizer_class is not None else None,
                    "tokenizer_type":
                    config.model_type
                    if config.tokenizer_class is None else None,
                    "unk_token":
                    unk_token,
                    "pad_token":
                    pad_token,
                    "word_delimiter_token":
                    word_delimiter_token,
                }
            else:
                tokenizer_kwargs = {}

    # 5. Now we can instantiate the feature extractor, tokenizer and model
    # Note for distributed training, the .from_pretrained methods guarantee that only
    # one local process can concurrently download model & vocab.

    # load feature_extractor and tokenizer
    if is_text_target:
        tokenizer = AutoTokenizer.from_pretrained(
            tokenizer_name_or_path,
            use_auth_token=data_args.use_auth_token,
            **tokenizer_kwargs,
        )
    feature_extractor = AutoFeatureExtractor.from_pretrained(
        model_args.model_name_or_path,
        cache_dir=model_args.cache_dir,
        use_auth_token=data_args.use_auth_token)

    # adapt config
    # (speech translation requires pre-configured seq2seq models)
    if task_name != "covost2":
        config.update({
            "feat_proj_dropout": model_args.feat_proj_dropout,
            "attention_dropout": model_args.attention_dropout,
            "hidden_dropout": model_args.hidden_dropout,
            "final_dropout": model_args.final_dropout,
            "mask_time_prob": model_args.mask_time_prob,
            "mask_time_length": model_args.mask_time_length,
            "mask_feature_prob": model_args.mask_feature_prob,
            "mask_feature_length": model_args.mask_feature_length,
            "gradient_checkpointing": training_args.gradient_checkpointing,
            "layerdrop": model_args.layerdrop,
            "ctc_zero_infinity": model_args.ctc_zero_infinity,
            "ctc_loss_reduction": model_args.ctc_loss_reduction,
            "activation_dropout": model_args.activation_dropout,
        })
        if training_args.do_train:
            if is_text_target:
                config.pad_token_id = tokenizer.pad_token_id
                config.vocab_size = len(tokenizer)
            else:
                label_to_id = {v: i for i, v in enumerate(label_list)}
                config.label2id = label_to_id
                config.id2label = {
                    id: label
                    for label, id in label_to_id.items()
                }
                config.num_labels = num_labels

    # create model
    if target_column_name == "transcription":
        model = AutoModelForCTC.from_pretrained(
            model_args.model_name_or_path,
            cache_dir=model_args.cache_dir,
            config=config,
            use_auth_token=data_args.use_auth_token,
        )
    elif config.is_encoder_decoder:
        model = AutoModelForSpeechSeq2Seq.from_pretrained(
            model_args.model_name_or_path,
            cache_dir=model_args.cache_dir,
            config=config,
            use_auth_token=data_args.use_auth_token,
        )
        if model.config.decoder_start_token_id is None:
            raise ValueError(
                "Make sure that `config.decoder_start_token_id` is correctly defined"
            )
    else:
        model = AutoModelForAudioClassification.from_pretrained(
            model_args.model_name_or_path,
            cache_dir=model_args.cache_dir,
            config=config,
            use_auth_token=data_args.use_auth_token,
        )

    # freeze encoder
    if model_args.freeze_feature_encoder:
        model.freeze_feature_encoder()

    # 6. Now we preprocess the datasets including loading the audio, resampling and normalization
    # Thankfully, `datasets` takes care of automatically loading and resampling the audio,
    # so that we just need to set the correct target sampling rate and normalize the input
    # via the `feature_extractor`

    # make sure that dataset decodes audio with correct sampling rate
    dataset_sampling_rate = next(iter(raw_datasets.values())).features[
        data_args.audio_column_name].sampling_rate
    if dataset_sampling_rate != feature_extractor.sampling_rate:
        raw_datasets = raw_datasets.cast_column(
            data_args.audio_column_name,
            datasets.features.Audio(
                sampling_rate=feature_extractor.sampling_rate))

    # derive max & min input length for sample rate & max duration
    max_input_length = data_args.max_duration_in_seconds * feature_extractor.sampling_rate
    min_input_length = data_args.min_duration_in_seconds * feature_extractor.sampling_rate
    audio_column_name = data_args.audio_column_name

    # `phoneme_language` is only relevant if the model is fine-tuned on phoneme classification
    phoneme_language = data_args.phoneme_language

    # Preprocessing the datasets.
    # We need to read the audio files as arrays and tokenize the targets.
    def prepare_dataset(batch):
        # load audio
        sample = batch[audio_column_name]

        inputs = feature_extractor(sample["array"],
                                   sampling_rate=sample["sampling_rate"])
        batch["input_values"] = inputs.input_values[0]
        batch["length"] = len(batch["input_values"])

        # encode targets
        additional_kwargs = {}
        if phoneme_language is not None:
            additional_kwargs["phonemizer_lang"] = phoneme_language

        if is_text_target:
            batch["labels"] = tokenizer(batch["target_text"],
                                        **additional_kwargs).input_ids
        else:
            batch["labels"] = batch[target_column_name]

        batch["lang"] = batch["lang_id"]

        return batch

    with training_args.main_process_first(desc="dataset map preprocessing"):
        vectorized_datasets = raw_datasets.map(
            prepare_dataset,
            remove_columns=next(iter(raw_datasets.values())).column_names,
            num_proc=num_workers,
            desc="preprocess datasets",
        )

        if training_args.do_train:

            def is_audio_in_length_range(length):
                return length > min_input_length and length < max_input_length

            # filter data that is shorter than min_input_length
            vectorized_datasets["train"] = vectorized_datasets["train"].filter(
                is_audio_in_length_range,
                num_proc=num_workers,
                input_columns=["length"],
            )

    # 7. Next, we can prepare for the training step.
    # Let's use the appropriate XTREME-S evaluation metric,
    # instantiate a data collator and the trainer

    # Define evaluation metrics during training, *i.e.* word error rate, character error rate
    eval_metric = load_metric("xtreme_s", task_name)

    # for large datasets it is advised to run the preprocessing on a
    # single machine first with ``args.preprocessing_only`` since there will mostly likely
    # be a timeout when running the script in distributed mode.
    # In a second step ``args.preprocessing_only`` can then be set to `False` to load the
    # cached dataset
    if data_args.preprocessing_only:
        logger.info(
            f"Data preprocessing finished. Files cached at {vectorized_datasets.cache_files}"
        )
        return

    def asr_logits_argmax(logits, labels):
        return logits.argmax(dim=-1)

    def compute_asr_metric(pred):
        pred.label_ids[pred.label_ids == -100] = tokenizer.pad_token_id

        pred_str = tokenizer.batch_decode(pred.predictions)
        # we do not want to group tokens when computing the metrics
        label_str = tokenizer.batch_decode(pred.label_ids, group_tokens=False)

        metric = eval_metric.compute(predictions=pred_str,
                                     references=label_str)
        return metric

    def compute_classification_metric(pred):
        pred_ids = np.argmax(pred.predictions, axis=1)
        metric = eval_metric.compute(predictions=pred_ids,
                                     references=pred.label_ids)
        return metric

    # Now save everything to be able to create a single processor later
    if is_main_process(training_args.local_rank):
        # save feature extractor, tokenizer and config
        feature_extractor.save_pretrained(training_args.output_dir)
        if is_text_target:
            tokenizer.save_pretrained(training_args.output_dir)
        config.save_pretrained(training_args.output_dir)
    # wait until configs are saved in the main process before loading the processor
    if training_args.local_rank != -1:
        torch.distributed.barrier()

    if is_text_target:
        processor = AutoProcessor.from_pretrained(training_args.output_dir)
    else:
        processor = AutoFeatureExtractor.from_pretrained(
            training_args.output_dir)

    # Instantiate custom data collator
    data_collator = SpeechDataCollatorWithPadding(processor=processor,
                                                  pad_labels=is_text_target)

    # Initialize Trainer
    if target_column_name == "translation":
        trainer = Seq2SeqTrainer(
            model=model,
            data_collator=data_collator,
            args=training_args,
            preprocess_logits_for_metrics=asr_logits_argmax
            if training_args.predict_with_generate else None,
            compute_metrics=compute_asr_metric
            if training_args.predict_with_generate else None,
            train_dataset=vectorized_datasets["train"]
            if training_args.do_train else None,
            eval_dataset=vectorized_datasets["eval"]
            if training_args.do_eval else None,
            tokenizer=feature_extractor,
        )
    else:
        trainer = Trainer(
            model=model,
            data_collator=data_collator,
            args=training_args,
            preprocess_logits_for_metrics=asr_logits_argmax
            if is_text_target else None,
            compute_metrics=compute_asr_metric
            if is_text_target else compute_classification_metric,
            train_dataset=vectorized_datasets["train"]
            if training_args.do_train else None,
            eval_dataset=vectorized_datasets["eval"]
            if training_args.do_eval else None,
            tokenizer=feature_extractor,
        )

    # 8. Finally, we can start training

    # Training
    if training_args.do_train:

        # use last checkpoint if exist
        if last_checkpoint is not None:
            checkpoint = last_checkpoint
        elif os.path.isdir(model_args.model_name_or_path):
            checkpoint = model_args.model_name_or_path
        else:
            checkpoint = None

        train_result = trainer.train(resume_from_checkpoint=checkpoint)
        trainer.save_model()

        metrics = train_result.metrics
        max_train_samples = (data_args.max_train_samples
                             if data_args.max_train_samples is not None else
                             len(vectorized_datasets["train"]))
        metrics["train_samples"] = min(max_train_samples,
                                       len(vectorized_datasets["train"]))

        trainer.log_metrics("train", metrics)
        trainer.save_metrics("train", metrics)
        trainer.save_state()

    # Evaluation on the test set
    results = {}
    if training_args.do_predict:
        logger.info(
            f"*** Evaluating on the `{data_args.predict_split_name}` set ***")
        if data_args.per_lang_metrics:
            # separate the `test` dataset into language-specific subsets and compute metrics for each of them
            metrics = {}
            average_metrics = defaultdict(list)
            for lang_id in range(len(lang_list)):
                lang_name = lang_list[lang_id]
                with training_args.main_process_first(
                        desc="per-language dataset filter"):
                    lang_dataset = vectorized_datasets["predict"].filter(
                        lambda lang: lang == lang_id,
                        num_proc=num_workers,
                        input_columns=["lang"],
                    )
                lang_metrics = trainer.evaluate(lang_dataset)
                redundant_metrics = [
                    "eval_runtime", "eval_samples_per_second",
                    "eval_steps_per_second", "eval_epoch"
                ]
                for metric_name, value in lang_metrics.items():
                    average_metrics[metric_name].append(value)
                    if metric_name not in redundant_metrics:
                        metrics[f"{metric_name}_{lang_name}"] = value
            for metric_name, value in average_metrics.items():
                metrics[metric_name] = np.mean(value)
        else:
            metrics = trainer.evaluate(vectorized_datasets["predict"])
        max_predict_samples = (data_args.max_predict_samples
                               if data_args.max_predict_samples is not None
                               else len(vectorized_datasets["predict"]))
        metrics["predict_samples"] = min(max_predict_samples,
                                         len(vectorized_datasets["predict"]))

        # make sure that the `predict` metrics end up in the log history for the model card
        trainer.log(OrderedDict(sorted(metrics.items())))

        trainer.log_metrics("predict", metrics)
        trainer.save_metrics("predict", metrics)

    # Write model card and (optionally) push to hub
    kwargs = {
        "finetuned_from":
        model_args.model_name_or_path,
        "tasks":
        task_name,
        "tags": [task_name, data_args.dataset_name],
        "dataset_args":
        (f"Config: {config_name}, Training split: {data_args.train_split_name}, Eval split:"
         f" {data_args.eval_split_name}, Predict split: {data_args.predict_split_name}"
         ),
        "dataset":
        f"{data_args.dataset_name.upper()} - {config_name.upper()}",
        "language":
        data_args.language,
    }

    if training_args.push_to_hub:
        trainer.push_to_hub(**kwargs)
    else:
        trainer.create_model_card(**kwargs)

    return results
コード例 #21
0
ファイル: run_plm.py プロジェクト: MaveriQ/transformers
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser(
        (ModelArguments, DataTrainingArguments, TrainingArguments))
    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
        # If we pass only one argument to the script and it's the path to a json file,
        # let's parse it to get our arguments.
        model_args, data_args, training_args = parser.parse_json_file(
            json_file=os.path.abspath(sys.argv[1]))
    else:
        model_args, data_args, training_args = parser.parse_args_into_dataclasses(
        )

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s - %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        handlers=[logging.StreamHandler(sys.stdout)],
    )

    log_level = training_args.get_process_log_level()
    logger.setLevel(log_level)
    datasets.utils.logging.set_verbosity(log_level)
    transformers.utils.logging.set_verbosity(log_level)
    transformers.utils.logging.enable_default_handler()
    transformers.utils.logging.enable_explicit_format()

    # Log on each process the small summary:
    logger.warning(
        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}"
        +
        f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
    )
    logger.info(f"Training/evaluation parameters {training_args}")

    # Detecting last checkpoint.
    last_checkpoint = None
    if os.path.isdir(
            training_args.output_dir
    ) and training_args.do_train and not training_args.overwrite_output_dir:
        last_checkpoint = get_last_checkpoint(training_args.output_dir)
        if last_checkpoint is None and len(os.listdir(
                training_args.output_dir)) > 0:
            raise ValueError(
                f"Output directory ({training_args.output_dir}) already exists and is not empty. "
                "Use --overwrite_output_dir to overcome.")
        elif last_checkpoint is not None and training_args.resume_from_checkpoint is None:
            logger.info(
                f"Checkpoint detected, resuming training at {last_checkpoint}. To avoid this behavior, change "
                "the `--output_dir` or add `--overwrite_output_dir` to train from scratch."
            )

    # Set seed before initializing model.
    set_seed(training_args.seed)

    # Get the datasets: you can either provide your own CSV/JSON/TXT training and evaluation files (see below)
    # or just provide the name of one of the public datasets available on the hub at https://huggingface.co/datasets/
    # (the dataset will be downloaded automatically from the datasets Hub).
    #
    # For CSV/JSON files, this script will use the column called 'text' or the first column if no column called
    # 'text' is found. You can easily tweak this behavior (see below).
    #
    # In distributed training, the load_dataset function guarantee that only one local process can concurrently
    # download the dataset.
    if data_args.dataset_name is not None:
        # Downloading and loading a dataset from the hub.
        raw_datasets = load_dataset(data_args.dataset_name,
                                    data_args.dataset_config_name,
                                    cache_dir=model_args.cache_dir)
        if "validation" not in raw_datasets.keys():
            raw_datasets["validation"] = load_dataset(
                data_args.dataset_name,
                data_args.dataset_config_name,
                split=f"train[:{data_args.validation_split_percentage}%]",
                cache_dir=model_args.cache_dir,
            )
            raw_datasets["train"] = load_dataset(
                data_args.dataset_name,
                data_args.dataset_config_name,
                split=f"train[{data_args.validation_split_percentage}%:]",
                cache_dir=model_args.cache_dir,
            )
    else:
        data_files = {}
        if data_args.train_file is not None:
            data_files["train"] = data_args.train_file
        if data_args.validation_file is not None:
            data_files["validation"] = data_args.validation_file
        extension = data_args.train_file.split(".")[-1]
        if extension == "txt":
            extension = "text"
        raw_datasets = load_dataset(extension,
                                    data_files=data_files,
                                    cache_dir=model_args.cache_dir)
        # If no validation data is there, validation_split_percentage will be used to divide the dataset.
        if "validation" not in raw_datasets.keys():
            raw_datasets["validation"] = load_dataset(
                extension,
                data_files=data_files,
                split=f"train[:{data_args.validation_split_percentage}%]",
                cache_dir=model_args.cache_dir,
            )
            raw_datasets["train"] = load_dataset(
                extension,
                data_files=data_files,
                split=f"train[{data_args.validation_split_percentage}%:]",
                cache_dir=model_args.cache_dir,
            )

    # See more about loading any type of standard or custom dataset (from files, python dict, pandas DataFrame, etc) at
    # https://huggingface.co/docs/datasets/loading_datasets.html.

    # Load pretrained model and tokenizer
    #
    # Distributed training:
    # The .from_pretrained methods guarantee that only one local process can concurrently
    # download model & vocab.
    config_kwargs = {
        "cache_dir": model_args.cache_dir,
        "revision": model_args.model_revision,
        "use_auth_token": True if model_args.use_auth_token else None,
    }
    if model_args.config_name:
        config = AutoConfig.from_pretrained(model_args.config_name,
                                            **config_kwargs)
    elif model_args.model_name_or_path:
        config = AutoConfig.from_pretrained(model_args.model_name_or_path,
                                            **config_kwargs)
    else:
        config = XLNetConfig()
        logger.warning(
            "You are instantiating a new config instance from scratch.")
        if model_args.config_overrides is not None:
            logger.info(f"Overriding config: {model_args.config_overrides}")
            config.update_from_string(model_args.config_overrides)

    tokenizer_kwargs = {
        "cache_dir": model_args.cache_dir,
        "use_fast": model_args.use_fast_tokenizer,
        "revision": model_args.model_revision,
        "use_auth_token": True if model_args.use_auth_token else None,
    }
    if model_args.tokenizer_name:
        tokenizer = AutoTokenizer.from_pretrained(model_args.tokenizer_name,
                                                  **tokenizer_kwargs)
    elif model_args.model_name_or_path:
        tokenizer = AutoTokenizer.from_pretrained(
            model_args.model_name_or_path, **tokenizer_kwargs)
    else:
        raise ValueError(
            "You are instantiating a new tokenizer from scratch. This is not supported by this script."
            "You can do it from another script, save it, and load it from here, using --tokenizer_name."
        )

    if model_args.model_name_or_path:
        model = XLNetLMHeadModel.from_pretrained(
            model_args.model_name_or_path,
            from_tf=bool(".ckpt" in model_args.model_name_or_path),
            config=config,
            cache_dir=model_args.cache_dir,
            revision=model_args.model_revision,
            use_auth_token=True if model_args.use_auth_token else None,
        )
    else:
        logger.info("Training new model from scratch")
        model = XLNetLMHeadModel.from_config(config)

    model.resize_token_embeddings(len(tokenizer))

    # Preprocessing the datasets.
    # First we tokenize all the texts.
    if training_args.do_train:
        column_names = raw_datasets["train"].column_names
    else:
        column_names = raw_datasets["validation"].column_names
    text_column_name = "text" if "text" in column_names else column_names[0]

    if data_args.max_seq_length > tokenizer.model_max_length:
        logger.warning(
            f"The max_seq_length passed ({data_args.max_seq_length}) is larger than the maximum length for the"
            f"model ({tokenizer.model_max_length}). Using max_seq_length={tokenizer.model_max_length}."
        )
    max_seq_length = min(data_args.max_seq_length, tokenizer.model_max_length)

    if data_args.line_by_line:
        # When using line_by_line, we just tokenize each nonempty line.
        padding = "max_length" if data_args.pad_to_max_length else False

        def tokenize_function(examples):
            # Remove empty lines
            examples["text"] = [
                line for line in examples["text"]
                if len(line) > 0 and not line.isspace()
            ]
            return tokenizer(examples["text"],
                             padding=padding,
                             truncation=True,
                             max_length=max_seq_length)

        with training_args.main_process_first(desc="dataset map tokenization"):
            tokenized_datasets = raw_datasets.map(
                tokenize_function,
                batched=True,
                num_proc=data_args.preprocessing_num_workers,
                remove_columns=[text_column_name],
                load_from_cache_file=not data_args.overwrite_cache,
                desc="Running tokenizer on dataset line_by_line",
            )
    else:
        # Otherwise, we tokenize every text, then concatenate them together before splitting them in smaller parts.
        def tokenize_function(examples):
            return tokenizer(examples[text_column_name])

        with training_args.main_process_first(desc="dataset map tokenization"):
            tokenized_datasets = raw_datasets.map(
                tokenize_function,
                batched=True,
                num_proc=data_args.preprocessing_num_workers,
                remove_columns=column_names,
                load_from_cache_file=not data_args.overwrite_cache,
                desc="Running tokenizer on every text in dataset",
            )

        # Main data processing function that will concatenate all texts from our dataset and generate chunks of
        # max_seq_length.
        def group_texts(examples):
            # Concatenate all texts.
            concatenated_examples = {
                k: sum(examples[k], [])
                for k in examples.keys()
            }
            total_length = len(concatenated_examples[list(examples.keys())[0]])
            # We drop the small remainder, we could add padding if the model supported it instead of this drop, you can
            # customize this part to your needs.
            if total_length >= max_seq_length:
                total_length = (total_length //
                                max_seq_length) * max_seq_length
            # Split by chunks of max_len.
            result = {
                k: [
                    t[i:i + max_seq_length]
                    for i in range(0, total_length, max_seq_length)
                ]
                for k, t in concatenated_examples.items()
            }
            return result

        # Note that with `batched=True`, this map processes 1,000 texts together, so group_texts throws away a
        # remainder for each of those groups of 1,000 texts. You can adjust that batch_size here but a higher value
        # might be slower to preprocess.
        #
        # To speed up this part, we use multiprocessing. See the documentation of the map method for more information:
        # https://huggingface.co/docs/datasets/package_reference/main_classes.html#datasets.Dataset.map

        with training_args.main_process_first(desc="grouping texts together"):
            tokenized_datasets = tokenized_datasets.map(
                group_texts,
                batched=True,
                num_proc=data_args.preprocessing_num_workers,
                load_from_cache_file=not data_args.overwrite_cache,
                desc=f"Grouping texts in chunks of {max_seq_length}",
            )

    if training_args.do_train:
        if "train" not in tokenized_datasets:
            raise ValueError("--do_train requires a train dataset")
        train_dataset = tokenized_datasets["train"]
        if data_args.max_train_samples is not None:
            train_dataset = train_dataset.select(
                range(data_args.max_train_samples))

    if training_args.do_eval:
        if "validation" not in tokenized_datasets:
            raise ValueError("--do_eval requires a validation dataset")
        eval_dataset = tokenized_datasets["validation"]
        if data_args.max_eval_samples is not None:
            eval_dataset = eval_dataset.select(
                range(data_args.max_eval_samples))

    # Data collator
    data_collator = DataCollatorForPermutationLanguageModeling(
        tokenizer=tokenizer,
        plm_probability=data_args.plm_probability,
        max_span_length=data_args.max_span_length,
    )

    # Initialize our Trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=train_dataset if training_args.do_train else None,
        eval_dataset=eval_dataset if training_args.do_eval else None,
        tokenizer=tokenizer,
        data_collator=data_collator,
    )

    # Training
    if training_args.do_train:
        checkpoint = None
        if training_args.resume_from_checkpoint is not None:
            checkpoint = training_args.resume_from_checkpoint
        elif last_checkpoint is not None:
            checkpoint = last_checkpoint
        train_result = trainer.train(resume_from_checkpoint=checkpoint)
        trainer.save_model()  # Saves the tokenizer too for easy upload
        metrics = train_result.metrics

        max_train_samples = (data_args.max_train_samples
                             if data_args.max_train_samples is not None else
                             len(train_dataset))
        metrics["train_samples"] = min(max_train_samples, len(train_dataset))

        trainer.log_metrics("train", metrics)
        trainer.save_metrics("train", metrics)
        trainer.save_state()

    # Evaluation
    if training_args.do_eval:
        logger.info("*** Evaluate ***")

        metrics = trainer.evaluate()

        max_eval_samples = data_args.max_eval_samples if data_args.max_eval_samples is not None else len(
            eval_dataset)
        metrics["eval_samples"] = min(max_eval_samples, len(eval_dataset))
        try:
            perplexity = math.exp(metrics["eval_loss"])
        except OverflowError:
            perplexity = float("inf")
        metrics["perplexity"] = perplexity

        trainer.log_metrics("eval", metrics)
        trainer.save_metrics("eval", metrics)

    if training_args.push_to_hub:
        kwargs = {
            "finetuned_from": model_args.model_name_or_path,
            "tasks": "language-modeling"
        }
        if data_args.dataset_name is not None:
            kwargs["dataset_tags"] = data_args.dataset_name
            if data_args.dataset_config_name is not None:
                kwargs["dataset_args"] = data_args.dataset_config_name
                kwargs[
                    "dataset"] = f"{data_args.dataset_name} {data_args.dataset_config_name}"
            else:
                kwargs["dataset"] = data_args.dataset_name

        trainer.push_to_hub(**kwargs)
コード例 #22
0
    for checkpoint_name in checkpoints_list:
        path = (
            checkpoint_name  # os.path.join(training_args.output_dir, checkpoint_name)
        )
        model_new = SeqClassModel.from_pretrained(
            path,
            params_dict=config_dict,
            config=config,
        )
        new_trainer = Trainer(
            model=model_new,
            args=training_args,
            eval_dataset=dev_dataset,
            compute_metrics=compute_seq_classification_metrics,
        )
        dev_results[checkpoint_name] = new_trainer.evaluate()
        curr_dev_f1 = dev_results[checkpoint_name]["eval_f1"]

        if curr_dev_f1 > max_dev_f1:
            max_f1_checkpoint_name = checkpoint_name
            max_dev_f1 = curr_dev_f1

        eval_trainer = Trainer(
            model=model_new,
            args=training_args,
            eval_dataset=test_dataset,
            compute_metrics=compute_seq_classification_metrics,
        )
        test_results[checkpoint_name] = eval_trainer.evaluate()

    logger.info("dev results:")
コード例 #23
0
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser(
        (ModelArguments, DataTrainingArguments, TrainingArguments))
    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
        # If we pass only one argument to the script and it's the path to a json file,
        # let's parse it to get our arguments.
        model_args, data_args, training_args = parser.parse_json_file(
            json_file=os.path.abspath(sys.argv[1]))
    else:
        model_args, data_args, training_args = parser.parse_args_into_dataclasses(
        )

    training_args.save_steps = 10000
    # Detecting last checkpoint.
    last_checkpoint = None
    if os.path.isdir(
            training_args.output_dir
    ) and training_args.do_train and not training_args.overwrite_output_dir:
        last_checkpoint = get_last_checkpoint(training_args.output_dir)
        if last_checkpoint is None and len(os.listdir(
                training_args.output_dir)) > 0:
            raise ValueError(
                f"Output directory ({training_args.output_dir}) already exists and is not empty. "
                "Use --overwrite_output_dir to overcome.")
        elif last_checkpoint is not None:
            logger.info(
                f"Checkpoint detected, resuming training at {last_checkpoint}. To avoid this behavior, change "
                "the `--output_dir` or add `--overwrite_output_dir` to train from scratch."
            )

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s -   %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        handlers=[logging.StreamHandler(sys.stdout)],
    )
    logger.setLevel(logging.INFO if is_main_process(training_args.local_rank
                                                    ) else logging.WARN)

    # Log on each process the small summary:
    logger.warning(
        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}"
        +
        f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
    )
    # Set the verbosity to info of the Transformers logger (on main process only):
    if is_main_process(training_args.local_rank):
        transformers.utils.logging.set_verbosity_info()
        transformers.utils.logging.enable_default_handler()
        transformers.utils.logging.enable_explicit_format()
    logger.info(f"Training/evaluation parameters {training_args}")

    # Set seed before initializing model.
    set_seed(training_args.seed)

    # Get the datasets: you can either provide your own CSV/JSON training and evaluation files (see below)
    # or specify a GLUE benchmark task (the dataset will be downloaded automatically from the datasets Hub).
    #
    # For CSV/JSON files, this script will use as labels the column called 'label' and as pair of sentences the
    # sentences in columns called 'sentence1' and 'sentence2' if such column exists or the first two columns not named
    # label if at least two columns are provided.
    #
    # If the CSVs/JSONs contain only one non-label column, the script does single sentence classification on this
    # single column. You can easily tweak this behavior (see below)
    #
    # In distributed training, the load_dataset function guarantee that only one local process can concurrently
    # download the dataset.
    if data_args.task_name is not None:
        # Downloading and loading a dataset from the hub.
        datasets = load_dataset("glue",
                                data_args.task_name,
                                cache_dir=model_args.cache_dir)
    else:
        # Loading a dataset from your local files.
        # CSV/JSON training and evaluation files are needed.
        data_files = {
            "train": data_args.train_file,
            "validation": data_args.validation_file
        }

        # Get the test dataset: you can provide your own CSV/JSON test file (see below)
        # when you use `do_predict` without specifying a GLUE benchmark task.
        if training_args.do_predict:
            if data_args.test_file is not None:
                train_extension = data_args.train_file.split(".")[-1]
                test_extension = data_args.test_file.split(".")[-1]
                assert (
                    test_extension == train_extension
                ), "`test_file` should have the same extension (csv or json) as `train_file`."
                data_files["test"] = data_args.test_file
            else:
                raise ValueError(
                    "Need either a GLUE task or a test file for `do_predict`.")

        for key in data_files.keys():
            logger.info(f"load a local file for {key}: {data_files[key]}")

        if data_args.train_file.endswith(".csv"):
            # Loading a dataset from local csv files
            datasets = load_dataset("csv",
                                    data_files=data_files,
                                    cache_dir=model_args.cache_dir)
        else:
            # Loading a dataset from local json files
            datasets = load_dataset("json",
                                    data_files=data_files,
                                    cache_dir=model_args.cache_dir)
    # See more about loading any type of standard or custom dataset at
    # https://huggingface.co/docs/datasets/loading_datasets.html.

    # Labels
    if data_args.task_name is not None:
        is_regression = data_args.task_name == "stsb"
        if not is_regression:
            label_list = datasets["train"].features["label"].names
            num_labels = len(label_list)
        else:
            num_labels = 1
    else:
        # Trying to have good defaults here, don't hesitate to tweak to your needs.
        is_regression = datasets["train"].features["label"].dtype in [
            "float32", "float64"
        ]
        if is_regression:
            num_labels = 1
        else:
            # A useful fast method:
            # https://huggingface.co/docs/datasets/package_reference/main_classes.html#datasets.Dataset.unique
            label_list = datasets["train"].unique("label")
            label_list.sort()  # Let's sort it for determinism
            num_labels = len(label_list)

    # Load pretrained model and tokenizer
    #
    # In distributed training, the .from_pretrained methods guarantee that only one local process can concurrently
    # download model & vocab.
    config = AutoConfig.from_pretrained(
        model_args.config_name
        if model_args.config_name else model_args.model_name_or_path,
        num_labels=num_labels,
        finetuning_task=data_args.task_name,
        cache_dir=model_args.cache_dir,
        revision=model_args.model_revision,
        use_auth_token=True if model_args.use_auth_token else None,
    )
    tokenizer = AutoTokenizer.from_pretrained(
        model_args.tokenizer_name
        if model_args.tokenizer_name else model_args.model_name_or_path,
        cache_dir=model_args.cache_dir,
        use_fast=model_args.use_fast_tokenizer,
        revision=model_args.model_revision,
        use_auth_token=True if model_args.use_auth_token else None,
    )
    model = AutoModelForSequenceClassification.from_pretrained(
        model_args.model_name_or_path,
        from_tf=bool(".ckpt" in model_args.model_name_or_path),
        config=config,
        cache_dir=model_args.cache_dir,
        revision=model_args.model_revision,
        use_auth_token=True if model_args.use_auth_token else None,
    )

    # Preprocessing the datasets
    if data_args.task_name is not None:
        sentence1_key, sentence2_key = task_to_keys[data_args.task_name]
    else:
        # Again, we try to have some nice defaults but don't hesitate to tweak to your use case.
        non_label_column_names = [
            name for name in datasets["train"].column_names if name != "label"
        ]
        if "sentence1" in non_label_column_names and "sentence2" in non_label_column_names:
            sentence1_key, sentence2_key = "sentence1", "sentence2"
        else:
            if len(non_label_column_names) >= 2:
                sentence1_key, sentence2_key = non_label_column_names[:2]
            else:
                sentence1_key, sentence2_key = non_label_column_names[0], None

    # Padding strategy
    if data_args.pad_to_max_length:
        padding = "max_length"
    else:
        # We will pad later, dynamically at batch creation, to the max sequence length in each batch
        padding = False

    # Some models have set the order of the labels to use, so let's make sure we do use it.
    label_to_id = None
    if (model.config.label2id !=
            PretrainedConfig(num_labels=num_labels).label2id
            and data_args.task_name is not None and not is_regression):
        # Some have all caps in their config, some don't.
        label_name_to_id = {
            k.lower(): v
            for k, v in model.config.label2id.items()
        }
        if list(sorted(label_name_to_id.keys())) == list(sorted(label_list)):
            label_to_id = {
                i: int(label_name_to_id[label_list[i]])
                for i in range(num_labels)
            }
        else:
            logger.warning(
                "Your model seems to have been trained with labels, but they don't match the dataset: ",
                f"model labels: {list(sorted(label_name_to_id.keys()))}, dataset labels: {list(sorted(label_list))}."
                "\nIgnoring the model labels as a result.",
            )
    elif data_args.task_name is None and not is_regression:
        label_to_id = {v: i for i, v in enumerate(label_list)}

    if data_args.max_seq_length > tokenizer.model_max_length:
        logger.warning(
            f"The max_seq_length passed ({data_args.max_seq_length}) is larger than the maximum length for the"
            f"model ({tokenizer.model_max_length}). Using max_seq_length={tokenizer.model_max_length}."
        )
    max_seq_length = min(data_args.max_seq_length, tokenizer.model_max_length)

    def preprocess_function(examples):
        # Tokenize the texts
        args = ((examples[sentence1_key], ) if sentence2_key is None else
                (examples[sentence1_key], examples[sentence2_key]))
        result = tokenizer(*args,
                           padding=padding,
                           max_length=max_seq_length,
                           truncation=True)

        # Map labels to IDs (not necessary for GLUE tasks)
        if label_to_id is not None and "label" in examples:
            result["label"] = [(label_to_id[l] if l != -1 else -1)
                               for l in examples["label"]]
        return result

    datasets = datasets.map(preprocess_function,
                            batched=True,
                            load_from_cache_file=not data_args.overwrite_cache)
    if training_args.do_train:
        if "train" not in datasets:
            raise ValueError("--do_train requires a train dataset")
        train_dataset = datasets["train"]
        if data_args.max_train_samples is not None:
            train_dataset = train_dataset.select(
                range(data_args.max_train_samples))

    if training_args.do_eval:
        if "validation" not in datasets and "validation_matched" not in datasets:
            raise ValueError("--do_eval requires a validation dataset")
        eval_dataset = datasets["validation_matched" if data_args.task_name ==
                                "mnli" else "validation"]
        if data_args.max_val_samples is not None:
            eval_dataset = eval_dataset.select(range(
                data_args.max_val_samples))

    if training_args.do_predict or data_args.task_name is not None or data_args.test_file is not None:
        if "test" not in datasets and "test_matched" not in datasets:
            raise ValueError("--do_predict requires a test dataset")
        test_dataset = datasets["test_matched" if data_args.task_name ==
                                "mnli" else "test"]
        if data_args.max_test_samples is not None:
            test_dataset = test_dataset.select(
                range(data_args.max_test_samples))

    # Log a few random samples from the training set:
    if training_args.do_train:
        for index in random.sample(range(len(train_dataset)), 3):
            logger.info(
                f"Sample {index} of the training set: {train_dataset[index]}.")

    # Get the metric function
    if data_args.task_name is not None:
        metric = load_metric("glue", data_args.task_name)
    # TODO: When datasets metrics include regular accuracy, make an else here and remove special branch from
    # compute_metrics

    # You can define your custom compute_metrics function. It takes an `EvalPrediction` object (a namedtuple with a
    # predictions and label_ids field) and has to return a dictionary string to float.
    def compute_metrics(p: EvalPrediction):
        preds = p.predictions[0] if isinstance(p.predictions,
                                               tuple) else p.predictions
        preds = np.squeeze(preds) if is_regression else np.argmax(preds,
                                                                  axis=1)
        if data_args.task_name is not None:
            result = metric.compute(predictions=preds, references=p.label_ids)
            if len(result) > 1:
                result["combined_score"] = np.mean(list(
                    result.values())).item()
            return result
        elif is_regression:
            return {"mse": ((preds - p.label_ids)**2).mean().item()}
        else:
            return {
                "accuracy":
                (preds == p.label_ids).astype(np.float32).mean().item()
            }

    # Data collator will default to DataCollatorWithPadding, so we change it if we already did the padding.
    if data_args.pad_to_max_length:
        data_collator = default_data_collator
    elif training_args.fp16:
        data_collator = DataCollatorWithPadding(tokenizer,
                                                pad_to_multiple_of=8)
    else:
        data_collator = None

    # Initialize our Trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=train_dataset if training_args.do_train else None,
        eval_dataset=eval_dataset if training_args.do_eval else None,
        compute_metrics=compute_metrics,
        tokenizer=tokenizer,
        data_collator=data_collator,
    )

    # Training
    if training_args.do_train:
        checkpoint = None
        if last_checkpoint is not None:
            checkpoint = last_checkpoint
        elif os.path.isdir(model_args.model_name_or_path):
            # Check the config from that potential checkpoint has the right number of labels before using it as a
            # checkpoint.
            if AutoConfig.from_pretrained(
                    model_args.model_name_or_path).num_labels == num_labels:
                checkpoint = model_args.model_name_or_path

        train_result = trainer.train(resume_from_checkpoint=checkpoint)
        metrics = train_result.metrics
        max_train_samples = (data_args.max_train_samples
                             if data_args.max_train_samples is not None else
                             len(train_dataset))
        metrics["train_samples"] = min(max_train_samples, len(train_dataset))

        trainer.save_model()  # Saves the tokenizer too for easy upload

        trainer.log_metrics("train", metrics)
        trainer.save_metrics("train", metrics)
        trainer.save_state()

    # Evaluation
    if training_args.do_eval:
        logger.info("*** Evaluate ***")

        # Loop to handle MNLI double evaluation (matched, mis-matched)
        tasks = [data_args.task_name]
        eval_datasets = [eval_dataset]
        if data_args.task_name == "mnli":
            tasks.append("mnli-mm")
            eval_datasets.append(datasets["validation_mismatched"])

        for eval_dataset, task in zip(eval_datasets, tasks):
            metrics = trainer.evaluate(eval_dataset=eval_dataset)

            max_val_samples = data_args.max_val_samples if data_args.max_val_samples is not None else len(
                eval_dataset)
            metrics["eval_samples"] = min(max_val_samples, len(eval_dataset))

            trainer.log_metrics("eval", metrics)
            trainer.save_metrics("eval", metrics)

    if training_args.do_predict:
        logger.info("*** Test ***")

        # Loop to handle MNLI double evaluation (matched, mis-matched)
        tasks = [data_args.task_name]
        test_datasets = [test_dataset]
        if data_args.task_name == "mnli":
            tasks.append("mnli-mm")
            test_datasets.append(datasets["test_mismatched"])

        for test_dataset, task in zip(test_datasets, tasks):
            # Removing the `label` columns because it contains -1 and Trainer won't like that.
            test_dataset.remove_columns_("label")
            predictions = trainer.predict(
                test_dataset=test_dataset).predictions
            predictions = np.squeeze(
                predictions) if is_regression else np.argmax(predictions,
                                                             axis=1)

            output_test_file = os.path.join(training_args.output_dir,
                                            f"test_results_{task}.txt")
            if trainer.is_world_process_zero():
                with open(output_test_file, "w") as writer:
                    logger.info(f"***** Test results {task} *****")
                    writer.write("index\tprediction\n")
                    for index, item in enumerate(predictions):
                        if is_regression:
                            writer.write(f"{index}\t{item:3.3f}\n")
                        else:
                            item = label_list[item]
                            writer.write(f"{index}\t{item}\n")
コード例 #24
0
        save_total_limit=1,
        logging_strategy="epoch",
    )

    data_collator = default_data_collator

    # create Trainer instance
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=train_dataset,
        eval_dataset=test_dataset,
        tokenizer=tokenizer,
        data_collator=data_collator,
    )

    # train model
    trainer.train()

    # evaluate model
    eval_result = trainer.evaluate(eval_dataset=test_dataset)

    # writes eval result to file which can be accessed later in s3 ouput
    with open(os.path.join(args.output_data_dir, "eval_results.txt"), "w") as writer:
        print(f"***** Eval results *****")
        for key, value in sorted(eval_result.items()):
            writer.write(f"{key} = {value}\n")

    # Saves the model to s3
    trainer.save_model(args.model_dir)
コード例 #25
0
ファイル: run_ner.py プロジェクト: huggingface/transformers
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser(
        (ModelArguments, DataTrainingArguments, TrainingArguments))
    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
        # If we pass only one argument to the script and it's the path to a json file,
        # let's parse it to get our arguments.
        model_args, data_args, training_args = parser.parse_json_file(
            json_file=os.path.abspath(sys.argv[1]))
    else:
        model_args, data_args, training_args = parser.parse_args_into_dataclasses(
        )

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s - %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        handlers=[logging.StreamHandler(sys.stdout)],
    )

    log_level = training_args.get_process_log_level()
    logger.setLevel(log_level)
    datasets.utils.logging.set_verbosity(log_level)
    transformers.utils.logging.set_verbosity(log_level)
    transformers.utils.logging.enable_default_handler()
    transformers.utils.logging.enable_explicit_format()

    # Log on each process the small summary:
    logger.warning(
        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}"
        +
        f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
    )
    logger.info(f"Training/evaluation parameters {training_args}")

    # Detecting last checkpoint.
    last_checkpoint = None
    if os.path.isdir(
            training_args.output_dir
    ) and training_args.do_train and not training_args.overwrite_output_dir:
        last_checkpoint = get_last_checkpoint(training_args.output_dir)
        if last_checkpoint is None and len(os.listdir(
                training_args.output_dir)) > 0:
            raise ValueError(
                f"Output directory ({training_args.output_dir}) already exists and is not empty. "
                "Use --overwrite_output_dir to overcome.")
        elif last_checkpoint is not None and training_args.resume_from_checkpoint is None:
            logger.info(
                f"Checkpoint detected, resuming training at {last_checkpoint}. To avoid this behavior, change "
                "the `--output_dir` or add `--overwrite_output_dir` to train from scratch."
            )

    # Set seed before initializing model.
    set_seed(training_args.seed)

    # Get the datasets: you can either provide your own CSV/JSON/TXT training and evaluation files (see below)
    # or just provide the name of one of the public datasets available on the hub at https://huggingface.co/datasets/
    # (the dataset will be downloaded automatically from the datasets Hub).
    #
    # For CSV/JSON files, this script will use the column called 'text' or the first column if no column called
    # 'text' is found. You can easily tweak this behavior (see below).
    #
    # In distributed training, the load_dataset function guarantee that only one local process can concurrently
    # download the dataset.
    if data_args.dataset_name is not None:
        # Downloading and loading a dataset from the hub.
        raw_datasets = load_dataset(data_args.dataset_name,
                                    data_args.dataset_config_name,
                                    cache_dir=model_args.cache_dir)
    else:
        data_files = {}
        if data_args.train_file is not None:
            data_files["train"] = data_args.train_file
        if data_args.validation_file is not None:
            data_files["validation"] = data_args.validation_file
        if data_args.test_file is not None:
            data_files["test"] = data_args.test_file
        extension = data_args.train_file.split(".")[-1]
        raw_datasets = load_dataset(extension,
                                    data_files=data_files,
                                    cache_dir=model_args.cache_dir)
    # See more about loading any type of standard or custom dataset (from files, python dict, pandas DataFrame, etc) at
    # https://huggingface.co/docs/datasets/loading_datasets.html.

    if training_args.do_train:
        column_names = raw_datasets["train"].column_names
        features = raw_datasets["train"].features
    else:
        column_names = raw_datasets["validation"].column_names
        features = raw_datasets["validation"].features

    if data_args.text_column_name is not None:
        text_column_name = data_args.text_column_name
    elif "tokens" in column_names:
        text_column_name = "tokens"
    else:
        text_column_name = column_names[0]

    if data_args.label_column_name is not None:
        label_column_name = data_args.label_column_name
    elif f"{data_args.task_name}_tags" in column_names:
        label_column_name = f"{data_args.task_name}_tags"
    else:
        label_column_name = column_names[1]

    # In the event the labels are not a `Sequence[ClassLabel]`, we will need to go through the dataset to get the
    # unique labels.
    def get_label_list(labels):
        unique_labels = set()
        for label in labels:
            unique_labels = unique_labels | set(label)
        label_list = list(unique_labels)
        label_list.sort()
        return label_list

    # If the labels are of type ClassLabel, they are already integers and we have the map stored somewhere.
    # Otherwise, we have to get the list of labels manually.
    labels_are_int = isinstance(features[label_column_name].feature,
                                ClassLabel)
    if labels_are_int:
        label_list = features[label_column_name].feature.names
        label_to_id = {i: i for i in range(len(label_list))}
    else:
        label_list = get_label_list(raw_datasets["train"][label_column_name])
        label_to_id = {l: i for i, l in enumerate(label_list)}

    num_labels = len(label_list)

    # Load pretrained model and tokenizer
    #
    # Distributed training:
    # The .from_pretrained methods guarantee that only one local process can concurrently
    # download model & vocab.
    config = AutoConfig.from_pretrained(
        model_args.config_name
        if model_args.config_name else model_args.model_name_or_path,
        num_labels=num_labels,
        finetuning_task=data_args.task_name,
        cache_dir=model_args.cache_dir,
        revision=model_args.model_revision,
        use_auth_token=True if model_args.use_auth_token else None,
    )

    tokenizer_name_or_path = model_args.tokenizer_name if model_args.tokenizer_name else model_args.model_name_or_path
    if config.model_type in {"gpt2", "roberta"}:
        tokenizer = AutoTokenizer.from_pretrained(
            tokenizer_name_or_path,
            cache_dir=model_args.cache_dir,
            use_fast=True,
            revision=model_args.model_revision,
            use_auth_token=True if model_args.use_auth_token else None,
            add_prefix_space=True,
        )
    else:
        tokenizer = AutoTokenizer.from_pretrained(
            tokenizer_name_or_path,
            cache_dir=model_args.cache_dir,
            use_fast=True,
            revision=model_args.model_revision,
            use_auth_token=True if model_args.use_auth_token else None,
        )

    model = AutoModelForTokenClassification.from_pretrained(
        model_args.model_name_or_path,
        from_tf=bool(".ckpt" in model_args.model_name_or_path),
        config=config,
        cache_dir=model_args.cache_dir,
        revision=model_args.model_revision,
        use_auth_token=True if model_args.use_auth_token else None,
    )

    # Tokenizer check: this script requires a fast tokenizer.
    if not isinstance(tokenizer, PreTrainedTokenizerFast):
        raise ValueError(
            "This example script only works for models that have a fast tokenizer. Checkout the big table of models "
            "at https://huggingface.co/transformers/index.html#supported-frameworks to find the model types that meet this "
            "requirement")

    # Model has labels -> use them.
    if model.config.label2id != PretrainedConfig(
            num_labels=num_labels).label2id:
        if list(sorted(model.config.label2id.keys())) == list(
                sorted(label_list)):
            # Reorganize `label_list` to match the ordering of the model.
            if labels_are_int:
                label_to_id = {
                    i: int(model.config.label2id[l])
                    for i, l in enumerate(label_list)
                }
                label_list = [
                    model.config.id2label[i] for i in range(num_labels)
                ]
            else:
                label_list = [
                    model.config.id2label[i] for i in range(num_labels)
                ]
                label_to_id = {l: i for i, l in enumerate(label_list)}
        else:
            logger.warning(
                "Your model seems to have been trained with labels, but they don't match the dataset: ",
                f"model labels: {list(sorted(model.config.label2id.keys()))}, dataset labels: {list(sorted(label_list))}."
                "\nIgnoring the model labels as a result.",
            )

    # Set the correspondences label/ID inside the model config
    model.config.label2id = {l: i for i, l in enumerate(label_list)}
    model.config.id2label = {i: l for i, l in enumerate(label_list)}

    # Map that sends B-Xxx label to its I-Xxx counterpart
    b_to_i_label = []
    for idx, label in enumerate(label_list):
        if label.startswith("B-") and label.replace("B-", "I-") in label_list:
            b_to_i_label.append(label_list.index(label.replace("B-", "I-")))
        else:
            b_to_i_label.append(idx)

    # Preprocessing the dataset
    # Padding strategy
    padding = "max_length" if data_args.pad_to_max_length else False

    # Tokenize all texts and align the labels with them.
    def tokenize_and_align_labels(examples):
        tokenized_inputs = tokenizer(
            examples[text_column_name],
            padding=padding,
            truncation=True,
            max_length=data_args.max_seq_length,
            # We use this argument because the texts in our dataset are lists of words (with a label for each word).
            is_split_into_words=True,
        )
        labels = []
        for i, label in enumerate(examples[label_column_name]):
            word_ids = tokenized_inputs.word_ids(batch_index=i)
            previous_word_idx = None
            label_ids = []
            for word_idx in word_ids:
                # Special tokens have a word id that is None. We set the label to -100 so they are automatically
                # ignored in the loss function.
                if word_idx is None:
                    label_ids.append(-100)
                # We set the label for the first token of each word.
                elif word_idx != previous_word_idx:
                    label_ids.append(label_to_id[label[word_idx]])
                # For the other tokens in a word, we set the label to either the current label or -100, depending on
                # the label_all_tokens flag.
                else:
                    if data_args.label_all_tokens:
                        label_ids.append(
                            b_to_i_label[label_to_id[label[word_idx]]])
                    else:
                        label_ids.append(-100)
                previous_word_idx = word_idx

            labels.append(label_ids)
        tokenized_inputs["labels"] = labels
        return tokenized_inputs

    if training_args.do_train:
        if "train" not in raw_datasets:
            raise ValueError("--do_train requires a train dataset")
        train_dataset = raw_datasets["train"]
        if data_args.max_train_samples is not None:
            max_train_samples = min(len(train_dataset),
                                    data_args.max_train_samples)
            train_dataset = train_dataset.select(range(max_train_samples))
        with training_args.main_process_first(
                desc="train dataset map pre-processing"):
            train_dataset = train_dataset.map(
                tokenize_and_align_labels,
                batched=True,
                num_proc=data_args.preprocessing_num_workers,
                load_from_cache_file=not data_args.overwrite_cache,
                desc="Running tokenizer on train dataset",
            )

    if training_args.do_eval:
        if "validation" not in raw_datasets:
            raise ValueError("--do_eval requires a validation dataset")
        eval_dataset = raw_datasets["validation"]
        if data_args.max_eval_samples is not None:
            max_eval_samples = min(len(eval_dataset),
                                   data_args.max_eval_samples)
            eval_dataset = eval_dataset.select(range(max_eval_samples))
        with training_args.main_process_first(
                desc="validation dataset map pre-processing"):
            eval_dataset = eval_dataset.map(
                tokenize_and_align_labels,
                batched=True,
                num_proc=data_args.preprocessing_num_workers,
                load_from_cache_file=not data_args.overwrite_cache,
                desc="Running tokenizer on validation dataset",
            )

    if training_args.do_predict:
        if "test" not in raw_datasets:
            raise ValueError("--do_predict requires a test dataset")
        predict_dataset = raw_datasets["test"]
        if data_args.max_predict_samples is not None:
            max_predict_samples = min(len(predict_dataset),
                                      data_args.max_predict_samples)
            predict_dataset = predict_dataset.select(
                range(max_predict_samples))
        with training_args.main_process_first(
                desc="prediction dataset map pre-processing"):
            predict_dataset = predict_dataset.map(
                tokenize_and_align_labels,
                batched=True,
                num_proc=data_args.preprocessing_num_workers,
                load_from_cache_file=not data_args.overwrite_cache,
                desc="Running tokenizer on prediction dataset",
            )

    # Data collator
    data_collator = DataCollatorForTokenClassification(
        tokenizer, pad_to_multiple_of=8 if training_args.fp16 else None)

    # Metrics
    metric = load_metric("seqeval")

    def compute_metrics(p):
        predictions, labels = p
        predictions = np.argmax(predictions, axis=2)

        # Remove ignored index (special tokens)
        true_predictions = [[
            label_list[p] for (p, l) in zip(prediction, label) if l != -100
        ] for prediction, label in zip(predictions, labels)]
        true_labels = [[
            label_list[l] for (p, l) in zip(prediction, label) if l != -100
        ] for prediction, label in zip(predictions, labels)]

        results = metric.compute(predictions=true_predictions,
                                 references=true_labels)
        if data_args.return_entity_level_metrics:
            # Unpack nested dictionaries
            final_results = {}
            for key, value in results.items():
                if isinstance(value, dict):
                    for n, v in value.items():
                        final_results[f"{key}_{n}"] = v
                else:
                    final_results[key] = value
            return final_results
        else:
            return {
                "precision": results["overall_precision"],
                "recall": results["overall_recall"],
                "f1": results["overall_f1"],
                "accuracy": results["overall_accuracy"],
            }

    # Initialize our Trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=train_dataset if training_args.do_train else None,
        eval_dataset=eval_dataset if training_args.do_eval else None,
        tokenizer=tokenizer,
        data_collator=data_collator,
        compute_metrics=compute_metrics,
    )

    # Training
    if training_args.do_train:
        checkpoint = None
        if training_args.resume_from_checkpoint is not None:
            checkpoint = training_args.resume_from_checkpoint
        elif last_checkpoint is not None:
            checkpoint = last_checkpoint
        train_result = trainer.train(resume_from_checkpoint=checkpoint)
        metrics = train_result.metrics
        trainer.save_model()  # Saves the tokenizer too for easy upload

        max_train_samples = (data_args.max_train_samples
                             if data_args.max_train_samples is not None else
                             len(train_dataset))
        metrics["train_samples"] = min(max_train_samples, len(train_dataset))

        trainer.log_metrics("train", metrics)
        trainer.save_metrics("train", metrics)
        trainer.save_state()

    # Evaluation
    if training_args.do_eval:
        logger.info("*** Evaluate ***")

        metrics = trainer.evaluate()

        max_eval_samples = data_args.max_eval_samples if data_args.max_eval_samples is not None else len(
            eval_dataset)
        metrics["eval_samples"] = min(max_eval_samples, len(eval_dataset))

        trainer.log_metrics("eval", metrics)
        trainer.save_metrics("eval", metrics)

    # Predict
    if training_args.do_predict:
        logger.info("*** Predict ***")

        predictions, labels, metrics = trainer.predict(
            predict_dataset, metric_key_prefix="predict")
        predictions = np.argmax(predictions, axis=2)

        # Remove ignored index (special tokens)
        true_predictions = [[
            label_list[p] for (p, l) in zip(prediction, label) if l != -100
        ] for prediction, label in zip(predictions, labels)]

        trainer.log_metrics("predict", metrics)
        trainer.save_metrics("predict", metrics)

        # Save predictions
        output_predictions_file = os.path.join(training_args.output_dir,
                                               "predictions.txt")
        if trainer.is_world_process_zero():
            with open(output_predictions_file, "w") as writer:
                for prediction in true_predictions:
                    writer.write(" ".join(prediction) + "\n")

    kwargs = {
        "finetuned_from": model_args.model_name_or_path,
        "tasks": "token-classification"
    }
    if data_args.dataset_name is not None:
        kwargs["dataset_tags"] = data_args.dataset_name
        if data_args.dataset_config_name is not None:
            kwargs["dataset_args"] = data_args.dataset_config_name
            kwargs[
                "dataset"] = f"{data_args.dataset_name} {data_args.dataset_config_name}"
        else:
            kwargs["dataset"] = data_args.dataset_name

    if training_args.push_to_hub:
        trainer.push_to_hub(**kwargs)
    else:
        trainer.create_model_card(**kwargs)
コード例 #26
0
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser((ModelArguments, DataTrainingArguments, TrainingArguments))
    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
        # If we pass only one argument to the script and it's the path to a json file,
        # let's parse it to get our arguments.
        model_args, data_args, training_args = parser.parse_json_file(json_file=os.path.abspath(sys.argv[1]))
    else:
        model_args, data_args, training_args = parser.parse_args_into_dataclasses()

    # Detecting last checkpoint.
    last_checkpoint = None
    if os.path.isdir(training_args.output_dir) and training_args.do_train and not training_args.overwrite_output_dir:
        last_checkpoint = get_last_checkpoint(training_args.output_dir)
        if last_checkpoint is None and len(os.listdir(training_args.output_dir)) > 0:
            raise ValueError(
                f"Output directory ({training_args.output_dir}) already exists and is not empty. "
                "Use --overwrite_output_dir to overcome."
            )
        elif last_checkpoint is not None:
            logger.info(
                f"Checkpoint detected, resuming training at {last_checkpoint}. To avoid this behavior, change "
                "the `--output_dir` or add `--overwrite_output_dir` to train from scratch."
            )

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s - %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        handlers=[logging.StreamHandler(sys.stdout)],
    )
    logger.setLevel(logging.INFO if is_main_process(training_args.local_rank) else logging.WARN)

    # Log on each process the small summary:
    logger.warning(
        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}"
        f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
    )
    # Set the verbosity to info of the Transformers logger (on main process only):
    if is_main_process(training_args.local_rank):
        transformers.utils.logging.set_verbosity_info()
    logger.info("Training/evaluation parameters %s", training_args)

    # Set seed before initializing model.
    set_seed(training_args.seed)

    # 1. First, let's load the dataset
    raw_datasets = DatasetDict()

    if training_args.do_train:
        raw_datasets["train"] = load_dataset(
            data_args.dataset_name,
            data_args.dataset_config_name,
            split=data_args.train_split_name,
            use_auth_token=data_args.use_auth_token,
        )

        if data_args.audio_column_name not in raw_datasets["train"].column_names:
            raise ValueError(
                f"--audio_column_name '{data_args.audio_column_name}' not found in dataset '{data_args.dataset_name}'."
                " Make sure to set `--audio_column_name` to the correct audio column - one of"
                f" {', '.join(raw_datasets['train'].column_names)}."
            )

        if data_args.text_column_name not in raw_datasets["train"].column_names:
            raise ValueError(
                f"--text_column_name {data_args.text_column_name} not found in dataset '{data_args.dataset_name}'. "
                "Make sure to set `--text_column_name` to the correct text column - one of "
                f"{', '.join(raw_datasets['train'].column_names)}."
            )

        if data_args.max_train_samples is not None:
            raw_datasets["train"] = raw_datasets["train"].select(range(data_args.max_train_samples))

    if training_args.do_eval:
        raw_datasets["eval"] = load_dataset(
            data_args.dataset_name,
            data_args.dataset_config_name,
            split=data_args.eval_split_name,
            use_auth_token=data_args.use_auth_token,
        )

        if data_args.max_eval_samples is not None:
            raw_datasets["eval"] = raw_datasets["eval"].select(range(data_args.max_eval_samples))

    # 2. We remove some special characters from the datasets
    # that make training complicated and do not help in transcribing the speech
    # E.g. characters, such as `,` and `.` do not really have an acoustic characteristic
    # that could be easily picked up by the model
    chars_to_ignore_regex = (
        f'[{"".join(data_args.chars_to_ignore)}]' if data_args.chars_to_ignore is not None else None
    )
    text_column_name = data_args.text_column_name

    def remove_special_characters(batch):
        if chars_to_ignore_regex is not None:
            batch["target_text"] = re.sub(chars_to_ignore_regex, "", batch[text_column_name]).lower() + " "
        else:
            batch["target_text"] = batch[text_column_name].lower() + " "
        return batch

    with training_args.main_process_first(desc="dataset map special characters removal"):
        raw_datasets = raw_datasets.map(
            remove_special_characters,
            remove_columns=[text_column_name],
            desc="remove special characters from datasets",
        )

    # save special tokens for tokenizer
    word_delimiter_token = data_args.word_delimiter_token
    unk_token = data_args.unk_token
    pad_token = data_args.pad_token

    # 3. Next, let's load the config as we might need it to create
    # the tokenizer
    # load config
    config = AutoConfig.from_pretrained(
        model_args.model_name_or_path, cache_dir=model_args.cache_dir, use_auth_token=data_args.use_auth_token
    )

    # 4. Next, if no tokenizer file is defined,
    # we create the vocabulary of the model by extracting all unique characters from
    # the training and evaluation datasets
    # We need to make sure that only first rank saves vocabulary
    # make sure all processes wait until vocab is created
    tokenizer_name_or_path = model_args.tokenizer_name_or_path
    tokenizer_kwargs = {}
    if tokenizer_name_or_path is None:
        # save vocab in training output dir
        tokenizer_name_or_path = training_args.output_dir

        vocab_file = os.path.join(tokenizer_name_or_path, "vocab.json")

        with training_args.main_process_first():
            if training_args.overwrite_output_dir and os.path.isfile(vocab_file):
                os.remove(vocab_file)

        with training_args.main_process_first(desc="dataset map vocabulary creation"):
            if not os.path.isfile(vocab_file):
                os.makedirs(tokenizer_name_or_path, exist_ok=True)
                vocab_dict = create_vocabulary_from_data(
                    raw_datasets,
                    word_delimiter_token=word_delimiter_token,
                    unk_token=unk_token,
                    pad_token=pad_token,
                )

                # save vocab dict to be loaded into tokenizer
                with open(vocab_file, "w") as file:
                    json.dump(vocab_dict, file)

        # if tokenizer has just been created
        # it is defined by `tokenizer_class` if present in config else by `model_type`
        tokenizer_kwargs = {
            "config": config if config.tokenizer_class is not None else None,
            "tokenizer_type": config.model_type if config.tokenizer_class is None else None,
            "unk_token": unk_token,
            "pad_token": pad_token,
            "word_delimiter_token": word_delimiter_token,
        }

    # 5. Now we can instantiate the feature extractor, tokenizer and model
    # Note for distributed training, the .from_pretrained methods guarantee that only
    # one local process can concurrently download model & vocab.

    # load feature_extractor and tokenizer
    tokenizer = AutoTokenizer.from_pretrained(
        tokenizer_name_or_path,
        use_auth_token=data_args.use_auth_token,
        **tokenizer_kwargs,
    )
    feature_extractor = AutoFeatureExtractor.from_pretrained(
        model_args.model_name_or_path, cache_dir=model_args.cache_dir, use_auth_token=data_args.use_auth_token
    )

    # adapt config
    config.update(
        {
            "feat_proj_dropout": model_args.feat_proj_dropout,
            "attention_dropout": model_args.attention_dropout,
            "hidden_dropout": model_args.hidden_dropout,
            "final_dropout": model_args.final_dropout,
            "mask_time_prob": model_args.mask_time_prob,
            "mask_time_length": model_args.mask_time_length,
            "mask_feature_prob": model_args.mask_feature_prob,
            "mask_feature_length": model_args.mask_feature_length,
            "gradient_checkpointing": training_args.gradient_checkpointing,
            "layerdrop": model_args.layerdrop,
            "ctc_loss_reduction": model_args.ctc_loss_reduction,
            "pad_token_id": tokenizer.pad_token_id,
            "vocab_size": len(tokenizer),
            "activation_dropout": model_args.activation_dropout,
        }
    )

    # create model
    model = AutoModelForCTC.from_pretrained(
        model_args.model_name_or_path,
        cache_dir=model_args.cache_dir,
        config=config,
        use_auth_token=data_args.use_auth_token,
    )

    # freeze encoder
    if model_args.freeze_feature_encoder:
        model.freeze_feature_encoder()

    # 6. Now we preprocess the datasets including loading the audio, resampling and normalization
    # Thankfully, `datasets` takes care of automatically loading and resampling the audio,
    # so that we just need to set the correct target sampling rate and normalize the input
    # via the `feature_extractor`

    # make sure that dataset decodes audio with correct sampling rate
    dataset_sampling_rate = next(iter(raw_datasets.values())).features[data_args.audio_column_name].sampling_rate
    if dataset_sampling_rate != feature_extractor.sampling_rate:
        raw_datasets = raw_datasets.cast_column(
            data_args.audio_column_name, datasets.features.Audio(sampling_rate=feature_extractor.sampling_rate)
        )

    # derive max & min input length for sample rate & max duration
    max_input_length = data_args.max_duration_in_seconds * feature_extractor.sampling_rate
    min_input_length = data_args.min_duration_in_seconds * feature_extractor.sampling_rate
    audio_column_name = data_args.audio_column_name
    num_workers = data_args.preprocessing_num_workers

    # `phoneme_language` is only relevant if the model is fine-tuned on phoneme classification
    phoneme_language = data_args.phoneme_language

    # Preprocessing the datasets.
    # We need to read the audio files as arrays and tokenize the targets.
    def prepare_dataset(batch):
        # load audio
        sample = batch[audio_column_name]

        inputs = feature_extractor(sample["array"], sampling_rate=sample["sampling_rate"])
        batch["input_values"] = inputs.input_values[0]
        batch["input_length"] = len(batch["input_values"])

        # encode targets
        additional_kwargs = {}
        if phoneme_language is not None:
            additional_kwargs["phonemizer_lang"] = phoneme_language

        batch["labels"] = tokenizer(batch["target_text"], **additional_kwargs).input_ids
        return batch

    with training_args.main_process_first(desc="dataset map preprocessing"):
        vectorized_datasets = raw_datasets.map(
            prepare_dataset,
            remove_columns=next(iter(raw_datasets.values())).column_names,
            num_proc=num_workers,
            desc="preprocess datasets",
        )

        def is_audio_in_length_range(length):
            return length > min_input_length and length < max_input_length

        # filter data that is shorter than min_input_length
        vectorized_datasets = vectorized_datasets.filter(
            is_audio_in_length_range,
            num_proc=num_workers,
            input_columns=["input_length"],
        )

    # 7. Next, we can prepare the training.
    # Let's use word error rate (WER) as our evaluation metric,
    # instantiate a data collator and the trainer

    # Define evaluation metrics during training, *i.e.* word error rate, character error rate
    eval_metrics = {metric: load_metric(metric) for metric in data_args.eval_metrics}

    # for large datasets it is advised to run the preprocessing on a
    # single machine first with ``args.preprocessing_only`` since there will mostly likely
    # be a timeout when running the script in distributed mode.
    # In a second step ``args.preprocessing_only`` can then be set to `False` to load the
    # cached dataset
    if data_args.preprocessing_only:
        logger.info(f"Data preprocessing finished. Files cached at {vectorized_datasets.cache_files}")
        return

    def compute_metrics(pred):
        pred_logits = pred.predictions
        pred_ids = np.argmax(pred_logits, axis=-1)

        pred.label_ids[pred.label_ids == -100] = tokenizer.pad_token_id

        pred_str = tokenizer.batch_decode(pred_ids)
        # we do not want to group tokens when computing the metrics
        label_str = tokenizer.batch_decode(pred.label_ids, group_tokens=False)

        metrics = {k: v.compute(predictions=pred_str, references=label_str) for k, v in eval_metrics.items()}

        return metrics

    # Now save everything to be able to create a single processor later
    if is_main_process(training_args.local_rank):
        # save feature extractor, tokenizer and config
        feature_extractor.save_pretrained(training_args.output_dir)
        tokenizer.save_pretrained(training_args.output_dir)
        config.save_pretrained(training_args.output_dir)

    try:
        processor = AutoProcessor.from_pretrained(training_args.output_dir)
    except (OSError, KeyError):
        warnings.warn(
            "Loading a processor from a feature extractor config that does not"
            " include a `processor_class` attribute is deprecated and will be removed in v5. Please add the following "
            " attribute to your `preprocessor_config.json` file to suppress this warning: "
            " `'processor_class': 'Wav2Vec2Processor'`",
            FutureWarning,
        )
        processor = Wav2Vec2Processor.from_pretrained(training_args.output_dir)

    # Instantiate custom data collator
    data_collator = DataCollatorCTCWithPadding(processor=processor)

    decay_parameters = get_parameter_names(model, [torch.nn.LayerNorm])
    decay_parameters = [name for name in decay_parameters if "bias" not in name]
    optimizer_grouped_parameters = [
        {
            "params": [p for n, p in model.named_parameters() if n in decay_parameters],
            "weight_decay": training_args.weight_decay,
        },
        {
            "params": [p for n, p in model.named_parameters() if n not in decay_parameters],
            "weight_decay": 0.0,
        },
    ]
    optimizer = bnb.optim.Adam8bit(
        params=optimizer_grouped_parameters,
        lr=training_args.learning_rate,
        betas=(training_args.adam_beta1, training_args.adam_beta2),
        eps=training_args.adam_epsilon,
    )

    optimizers = (optimizer, None)

    # Initialize Trainer
    trainer = Trainer(
        model=model,
        data_collator=data_collator,
        args=training_args,
        compute_metrics=compute_metrics,
        train_dataset=vectorized_datasets["train"] if training_args.do_train else None,
        eval_dataset=vectorized_datasets["eval"] if training_args.do_eval else None,
        tokenizer=feature_extractor,
        optimizers=optimizers,
    )

    # 8. Finally, we can start training

    # Training
    if training_args.do_train:

        # use last checkpoint if exist
        if last_checkpoint is not None:
            checkpoint = last_checkpoint
        elif os.path.isdir(model_args.model_name_or_path):
            checkpoint = model_args.model_name_or_path
        else:
            checkpoint = None

        train_result = trainer.train(resume_from_checkpoint=checkpoint)
        trainer.save_model()

        metrics = train_result.metrics
        max_train_samples = (
            data_args.max_train_samples
            if data_args.max_train_samples is not None
            else len(vectorized_datasets["train"])
        )
        metrics["train_samples"] = min(max_train_samples, len(vectorized_datasets["train"]))

        trainer.log_metrics("train", metrics)
        trainer.save_metrics("train", metrics)
        trainer.save_state()

    # Evaluation
    results = {}
    if training_args.do_eval:
        logger.info("*** Evaluate ***")
        metrics = trainer.evaluate()
        max_eval_samples = (
            data_args.max_eval_samples if data_args.max_eval_samples is not None else len(vectorized_datasets["eval"])
        )
        metrics["eval_samples"] = min(max_eval_samples, len(vectorized_datasets["eval"]))

        trainer.log_metrics("eval", metrics)
        trainer.save_metrics("eval", metrics)

    # Write model card and (optionally) push to hub
    config_name = data_args.dataset_config_name if data_args.dataset_config_name is not None else "na"
    kwargs = {
        "finetuned_from": model_args.model_name_or_path,
        "tasks": "speech-recognition",
        "tags": ["automatic-speech-recognition", data_args.dataset_name],
        "dataset_args": (
            f"Config: {config_name}, Training split: {data_args.train_split_name}, Eval split:"
            f" {data_args.eval_split_name}"
        ),
        "dataset": f"{data_args.dataset_name.upper()} - {config_name.upper()}",
    }
    if "common_voice" in data_args.dataset_name:
        kwargs["language"] = config_name

    if training_args.push_to_hub:
        trainer.push_to_hub(**kwargs)
    else:
        trainer.create_model_card(**kwargs)

    return results
コード例 #27
0
ファイル: run_ner.py プロジェクト: Avmb/IntroDeepLearning
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser(
        (ModelArguments, DataTrainingArguments, TrainingArguments))
    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
        # If we pass only one argument to the script and it's the path to a json file,
        # let's parse it to get our arguments.
        model_args, data_args, training_args = parser.parse_json_file(
            json_file=os.path.abspath(sys.argv[1]))
    else:
        model_args, data_args, training_args = parser.parse_args_into_dataclasses(
        )

    if (os.path.exists(training_args.output_dir)
            and os.listdir(training_args.output_dir) and training_args.do_train
            and not training_args.overwrite_output_dir):
        raise ValueError(
            f"Output directory ({training_args.output_dir}) already exists and is not empty. Use --overwrite_output_dir to overcome."
        )

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s -   %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        level=logging.INFO
        if training_args.local_rank in [-1, 0] else logging.WARN,
    )
    logger.warning(
        "Process rank: %s, device: %s, n_gpu: %s, distributed training: %s, 16-bits training: %s",
        training_args.local_rank,
        training_args.device,
        training_args.n_gpu,
        bool(training_args.local_rank != -1),
        training_args.fp16,
    )
    logger.info("Training/evaluation parameters %s", training_args)

    # Set seed
    set_seed(training_args.seed)

    # Prepare CONLL-2003 task
    labels = get_labels(data_args.labels)
    label_map: Dict[int, str] = {i: label for i, label in enumerate(labels)}
    num_labels = len(labels)

    # Load pretrained model and tokenizer
    #
    # Distributed training:
    # The .from_pretrained methods guarantee that only one local process can concurrently
    # download model & vocab.

    config = AutoConfig.from_pretrained(
        model_args.config_name
        if model_args.config_name else model_args.model_name_or_path,
        num_labels=num_labels,
        id2label=label_map,
        label2id={label: i
                  for i, label in enumerate(labels)},
        cache_dir=model_args.cache_dir,
    )
    tokenizer = AutoTokenizer.from_pretrained(
        model_args.tokenizer_name
        if model_args.tokenizer_name else model_args.model_name_or_path,
        cache_dir=model_args.cache_dir,
        use_fast=model_args.use_fast,
    )
    model = AutoModelForTokenClassification.from_pretrained(
        model_args.model_name_or_path,
        from_tf=bool(".ckpt" in model_args.model_name_or_path),
        config=config,
        cache_dir=model_args.cache_dir,
    )

    # Get datasets
    train_dataset = (NerDataset(
        data_dir=data_args.data_dir,
        tokenizer=tokenizer,
        labels=labels,
        model_type=config.model_type,
        max_seq_length=data_args.max_seq_length,
        overwrite_cache=data_args.overwrite_cache,
        mode=Split.train,
        local_rank=training_args.local_rank,
    ) if training_args.do_train else None)
    eval_dataset = (NerDataset(
        data_dir=data_args.data_dir,
        tokenizer=tokenizer,
        labels=labels,
        model_type=config.model_type,
        max_seq_length=data_args.max_seq_length,
        overwrite_cache=data_args.overwrite_cache,
        mode=Split.dev,
        local_rank=training_args.local_rank,
    ) if training_args.do_eval else None)

    def align_predictions(
            predictions: np.ndarray,
            label_ids: np.ndarray) -> Tuple[List[int], List[int]]:
        preds = np.argmax(predictions, axis=2)

        batch_size, seq_len = preds.shape

        out_label_list = [[] for _ in range(batch_size)]
        preds_list = [[] for _ in range(batch_size)]

        for i in range(batch_size):
            for j in range(seq_len):
                if label_ids[i, j] != nn.CrossEntropyLoss().ignore_index:
                    out_label_list[i].append(label_map[label_ids[i][j]])
                    preds_list[i].append(label_map[preds[i][j]])

        return preds_list, out_label_list

    def compute_metrics(p: EvalPrediction) -> Dict:
        preds_list, out_label_list = align_predictions(p.predictions,
                                                       p.label_ids)
        return {
            "precision": precision_score(out_label_list, preds_list),
            "recall": recall_score(out_label_list, preds_list),
            "f1": f1_score(out_label_list, preds_list),
        }

    # Initialize our Trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=train_dataset,
        eval_dataset=eval_dataset,
        compute_metrics=compute_metrics,
    )

    # Training
    if training_args.do_train:
        trainer.train(model_path=model_args.model_name_or_path if os.path.
                      isdir(model_args.model_name_or_path) else None)
        trainer.save_model()
        # For convenience, we also re-save the tokenizer to the same directory,
        # so that you can share your model easily on huggingface.co/models =)
        if trainer.is_world_master():
            tokenizer.save_pretrained(training_args.output_dir)

    # Evaluation
    results = {}
    if training_args.do_eval and training_args.local_rank in [-1, 0]:
        logger.info("*** Evaluate ***")

        result = trainer.evaluate()

        output_eval_file = os.path.join(training_args.output_dir,
                                        "eval_results.txt")
        with open(output_eval_file, "w") as writer:
            logger.info("***** Eval results *****")
            for key, value in result.items():
                logger.info("  %s = %s", key, value)
                writer.write("%s = %s\n" % (key, value))

            results.update(result)

    # Predict
    if training_args.do_predict and training_args.local_rank in [-1, 0]:
        test_dataset = NerDataset(
            data_dir=data_args.data_dir,
            tokenizer=tokenizer,
            labels=labels,
            model_type=config.model_type,
            max_seq_length=data_args.max_seq_length,
            overwrite_cache=data_args.overwrite_cache,
            mode=Split.test,
            local_rank=training_args.local_rank,
        )

        predictions, label_ids, metrics = trainer.predict(test_dataset)
        preds_list, _ = align_predictions(predictions, label_ids)

        output_test_results_file = os.path.join(training_args.output_dir,
                                                "test_results.txt")
        with open(output_test_results_file, "w") as writer:
            for key, value in metrics.items():
                logger.info("  %s = %s", key, value)
                writer.write("%s = %s\n" % (key, value))

        # Save predictions
        output_test_predictions_file = os.path.join(training_args.output_dir,
                                                    "test_predictions.txt")
        with open(output_test_predictions_file, "w") as writer:
            with open(os.path.join(data_args.data_dir, "test.txt"), "r") as f:
                example_id = 0
                for line in f:
                    if line.startswith(
                            "-DOCSTART-") or line == "" or line == "\n":
                        writer.write(line)
                        if not preds_list[example_id]:
                            example_id += 1
                    elif preds_list[example_id]:
                        output_line = line.split(
                        )[0] + " " + preds_list[example_id].pop(0) + "\n"
                        writer.write(output_line)
                    else:
                        logger.warning(
                            "Maximum sequence length exceeded: No prediction for '%s'.",
                            line.split()[0])

    return results
コード例 #28
0
class FineTuningModel:
    """Class with different models to fine-tune.
    The models aviable right now are: BERT - ALBERT - ELECTRA - DistilBERT
    This class uses the transformer package and is avaiable for both TensorFlow and PyTorch packages, but
    here I fisrt I will use PyTorch models.
    """
    def __init__(self,
                 path_train,
                 path_test,
                 path_dev,
                 epochs,
                 max_sequence_len,
                 batch_size,
                 optimizer,
                 tr_size=0.8,
                 learning_rate=5e-5,
                 eps=1e-8,
                 model_to_use='bert',
                 api='tf'):
        self.path_train = path_train
        self.path_test = path_test
        self.path_dev = path_dev
        self.epochs = epochs
        self.max_sequence_len = max_sequence_len
        self.batch_size = batch_size
        self.optimizer = optimizer
        self.tr_size = tr_size
        self.learning_rate = learning_rate
        self.epsilon = eps
        self.model_to_use = model_to_use
        self.device = torch.device('cpu')
        self.api = api
        if self.model_to_use.lower() == 'bert':
            print('Se usará Bert')
            self.tokenizer = BertTokenizer.from_pretrained('bert-base-uncased',
                                                           do_lower_case=True)
        elif self.model_to_use.lower() == 'albert':
            print('Se usará Albert')
            self.tokenizer = AlbertTokenizer.from_pretrained(
                'albert-base-v1', do_lower_case=False)
            # TODO: Probar con large
        elif self.model_to_use.lower() == 'electra':
            print('Se usará Electra')
            self.tokenizer = ElectraTokenizer.from_pretrained(
                'google/electra-small-discriminator', do_lower_case=True)
        elif self.model_to_use.lower() == 'distilbert':
            print('Se usará Distilbert')
            self.tokenizer = DistilBertTokenizer.from_pretrained(
                'distilbert-base-uncased', do_lower_case=True)
        else:
            print('Model not avaiable right now.')
        self.load_data()

    def load_data(self):
        """Load the 3 DataFrames, train-test-dev. The data here will be preprocessed, previously tokenized,
        stopwords deleted and stem.
        """
        pass

    def __load_data_torch(self):
        """Function to load
        """
        self.data_train = pd.read_csv(self.path_train, sep='\t')
        self.data_train.loc[self.data_train['label'] == -1, 'label'] = 0
        self.data_test = pd.read_csv(self.path_test, sep='\t')
        self.data_test.loc[self.data_test['label'] == -1, 'label'] = 0
        self.data_dev = pd.read_csv(self.path_dev, sep='\t')
        self.data_dev.loc[self.data_dev['label'] == -1, 'label'] = 0
        self.train = self.data_train.text.values
        self.test = self.data_test.text.values
        self.dev = self.data_dev.text.values
        self.y_train = self.data_train['label']
        self.y_test = self.data_test['label']
        self.y_dev = self.data_dev['label']

        self.x_train_inputs_ids, self.x_train_attention_mask = self.tokenizer_map(
            self.train, True)
        self.x_test_inputs_ids, self.x_test_attention_mask = self.tokenizer_map(
            self.test)
        self.x_dev_inputs_ids, self.x_dev_attention_mask = self.tokenizer_map(
            self.dev)

        # The train dataset will be used for train and validation
        self.dataset = TensorDataset(self.x_train_inputs_ids,
                                     self.x_train_attention_mask, self.y_train)

        train_size = int(0.8 * len(self.dataset))
        val_size = len(self.dataset) - train_size
        lengths = [train_size, val_size]
        self.train_dataset, self.val_dataset = random_split(
            dataset=self.dataset, lengths=[train_size, val_size])

        self.train_dataloader = DataLoader(self.train_dataset,
                                           sampler=RandomSampler(
                                               self.train_dataset),
                                           batch_size=self.batch_size)

        self.val_dataloader = DataLoader(self.val_dataset,
                                         sampler=SequentialSampler(
                                             self.val_dataset),
                                         batch_size=self.batch_size)
        # Generate the dataset for test data
        self.test_dataset = TensorDataset(self.x_test_inputs_ids,
                                          self.x_test_attention_mask)
        self.test_sampler = SequentialSampler(self.test_dataset)
        self.test_dataloader = DataLoader(self.test_dataset,
                                          sampler=self.test_sampler,
                                          batch_size=self.batch_size)
        # Generate the dataset for the dev data
        self.dev_dataset = TensorDataset(self.x_dev_inputs_ids,
                                         self.x_dev_attention_mask)
        self.dev_sampler = SequentialSampler(self.dev_dataset)
        self.dev_dataloader = DataLoader(self.dev_dataset,
                                         sampler=self.dev_sampler,
                                         batch_size=self.batch_size)

    def __load_data_tf(self):
        self.train = pd.read_csv(self.path_train, sep='\t')
        self.train.loc[self.train['label'] == -1, 'label'] = 0
        self.test = pd.read_csv(self.path_test, sep='\t')
        self.test.loc[self.test['label'] == -1, 'label'] = 0
        self.dev = pd.read_csv(self.path_dev, sep='\t')
        self.dev.loc[self.dev['label'] == -1, 'label'] = 0
        self.train_dataset = tf.data.Dataset.from_tensor_slices(
            (self.X_train, self.y_train))
        self.train_dataset = self.train_dataset.shuffle(len(
            self.X_train)).batch(self.batch_size)

        self.val_dataset = tf.data.Dataset.from_tensor_slices(
            (self.X_dev, self.y_dev))
        self.val_dataset = self.val_dataset.shuffle(len(self.X_dev)).batch(
            self.batch_size)

    def call(self):
        if self.model_to_use.lower() == 'bert':
            self.model = BertForSequenceClassification.from_pretrained(
                'bert-base-uncased',
                num_labels=2,
                output_attentions=False,
                output_hidden_states=False)
            print('Bert Cargado.')
            print(self.model)
        elif self.model_to_use.lower() == 'albert':
            self.model = AlbertForSequenceClassification.from_pretrained(
                'albert-base-v1',
                num_labels=2,
                output_attentions=False,
                output_hidden_states=False)
        elif self.model_to_use.lower() == 'electra':
            self.model = ElectraForSequenceClassification.from_pretrained(
                'google/electra-small-discriminator',
                num_labels=2,
                output_attentions=False,
                output_hidden_states=False)
        elif self.model_to_use.lower() == 'distilbert':
            self.model = DistilBertForSequenceClassification.from_pretrained(
                'distilbert-base-uncased',
                num_labels=2,
                output_attentions=False,
                output_hidden_states=False)
        else:
            print('Model not avaiable right now.')
        self.model.to(self.device)
        self.optimizer = AdamW(self.model.parameters(),
                               lr=self.learning_rate,
                               eps=self.epsilon)
        self.total_steps = len(self.train_dataloader) * self.epochs
        self.scheduler = get_linear_schedule_with_warmup(
            self.optimizer,
            num_warmup_steps=0,
            num_training_steps=self.total_steps)

    def fit(self):
        # TODO: Fit for train and validation
        training_stats = []

        # Measure the total training time for the whole run
        start = time.time()

        # For each epoch...
        for epoch in range(self.epochs):
            # ========================================
            #               Training
            # ========================================

            # Perform one full pass over the training set.
            print('')
            print('======== Epoch {:} / {:} ========'.format(
                epoch + 1, self.epochs))
            print('Training...')
            t0 = time.time()
            total_train_loss = 0
            # Put the model into training mode. Don't be mislead--the call to `train` just changes the *mode*,
            # it doesn't *perform* the training.

            # `dropout` and `batchnorm` layers behave differently during training

            # vs. test (source: https://stackoverflow.com/questions/51433378/what-does-model-train-do-in-pytorch)
            self.model.train()

            for step, batch in enumerate(self.train_dataloader):
                if step % 50 == 0 and not step == 0:
                    elapsed = self.format_time(time.time() - t0)
                    print(
                        '  Batch {:>5,}  of  {:>5,}.    Elapsed: {:}.'.format(
                            step, len(self.train_dataloader), elapsed))
                # Unpack this training batch from our dataloader.
                #
                # As we unpack the batch, we'll also copy each tensor to the device(gpu in our case) using the `to` method.
                #
                # `batch` contains three pytorch tensors:
                #   [0]: input ids
                #   [1]: attention masks
                #   [2]: labels
                b_input_ids = batch[0].to(self.device).to(torch.int64)
                b_input_mask = batch[1].to(self.device).to(torch.int64)
                b_labels = batch[2].to(self.device).to(torch.int64)

                # Always clear any previously calculated gradients before performing a backward pass.
                # PyTorch doesn't do this automatically because accumulating the gradients is 'convenient while
                # training RNNs'.
                # source: https://stackoverflow.com/questions/48001598/why-do-we-need-to-call-zero-grad-in-pytorch

                self.model.zero_grad()
                # Perform a forward pass (evaluate the model on this training batch).
                # The documentation for this `model` function is here:
                # https://huggingface.co/transformers/v2.2.0/model_doc/bert.html#transformers.BertForSequenceClassification

                # It returns different numbers of parameters depending on what arguments given and what flags are set.
                # For our useage here, it returns the loss (because we provided labels) and the 'logits'--the model
                # outputs prior to activation.
                loss, logit = self.model(
                    b_input_ids,
                    # token_type_ids=None,
                    attention_mask=b_input_mask,
                    labels=b_labels)
                total_train_loss += loss.item()

                # Perform a backward pass to calculate the gradients.
                loss.backward()

                # Clip the norm of the gradients to 1.0 This is to help prevent the 'exploding gradients' problem.
                torch.nn.utils.clip_grad_norm_(self.model.parameters(), 1.0)

                # Update parameters and take a step using the computed gradient.

                # The optimizer dictates the 'update rule'--how the parameters are modified based on their gradients, the learning rate, etc.

                self.optimizer.step()

                # Update the learning rate.

                self.scheduler.step()

            # Calculate the average loss over all of the batches.

            avg_train_loss = total_train_loss / len(self.train_dataloader)

            # Measure how long this epoch took.

            training_time = self.format_time(time.time() - t0)

            print('')
            print('  Average training loss: {0:.2f}'.format(avg_train_loss))
            print('  Training epcoh took: {:}'.format(training_time))

            # ========================================
            #               Validation
            # ========================================
            # After the completion of each training epoch, measure our performance on our validation set.
            print('')
            print('Running Validation...')
            t0 = time.time()
            # Put the model in evaluation mode--the dropout layers behave differently during evaluation.

            self.model.eval()

            # Tracking variables

            total_eval_accuracy = 0
            total_eval_loss = 0
            total_eval_f1 = 0
            nb_eval_steps = 0

            # Evaluate data for one epoch

            for batch in self.val_dataloader:
                # Unpack this training batch from our dataloader.

                # As we unpack the batch, we'll also copy each tensor to the GPU using the `to` method.

                # `batch` contains three pytorch tensors:
                #   [0]: input ids
                #   [1]: attention masks
                #   [2]: labels
                b_input_ids = batch[0].to(self.device)
                b_input_mask = batch[1].to(self.device)
                b_labels = batch[2].to(self.device)

                # Tell pytorch not to bother with constructing the compute graph during the forward pass,
                # since this is only needed for backprop (training).
                with torch.no_grad():
                    # Forward pass, calculate logit predictions.
                    # token_type_ids is the same as the 'segment ids', which differentiates sentence 1 and 2 in 2-sentence tasks.
                    # The documentation for this `model` function is here:
                    # https://huggingface.co/transformers/v2.2.0/model_doc/bert.html#transformers.BertForSequenceClassification
                    # Get the 'logits' output by the model. The 'logits' are the output values prior to applying an
                    # activation function like the softmax.

                    (loss, logits) = self.model(b_input_ids,
                                                token_type_ids=None,
                                                attention_mask=b_input_mask,
                                                labels=b_labels)

                # Accumulate the validation loss.

                total_eval_loss += loss.item()
                # Move logits and labels to CPU

                logits = logits.detach().cpu().numpy()
                label_ids = b_labels.to('cpu').numpy()

                # Calculate the accuracy for this batch of test sentences, and
                # accumulate it over all batches.

                total_eval_accuracy += self.flat_accuracy(logits, label_ids)
                total_eval_f1 += self.flat_f1(logits, label_ids)

            # Report the final accuracy for this validation run.

            avg_val_accuracy = total_eval_accuracy / len(self.val_dataloader)
            print('  Accuracy: {0:.2f}'.format(avg_val_accuracy))

            # Report the final f1 score for this validation run.

            avg_val_f1 = total_eval_f1 / len(self.val_dataloader)
            print('  F1: {0:.2f}'.format(avg_val_f1))

            # Calculate the average loss over all of the batches.

            avg_val_loss = total_eval_loss / len(self.val_dataloader)
            # Measure how long the validation run took.

            validation_time = self.format_time(time.time() - t0)

            print('  Validation Loss: {0:.2f}'.format(avg_val_loss))
            print('  Validation took: {:}'.format(validation_time))

            # Record all statistics from this epoch.

            training_stats.append({
                'epoch': epoch + 1,
                'Training Loss': avg_train_loss,
                'Valid. Loss': avg_val_loss,
                'Valid. Accur.': avg_val_accuracy,
                'Val_F1': avg_val_f1,
                'Training Time': training_time,
                'Validation Time': validation_time
            })
        print('')
        print('Training complete!')

        print('Total training took {:} (h:mm:ss)'.format(
            self.format_time(time.time() - start)))

    def predict(self):
        print('Predicting labels for test sentences...')

        # Put model in evaluation mode
        self.model.eval()
        # Tracking variables

        predictions = []

        # Predict

        for batch in self.test_dataloader:
            # Add batch to device
            batch = tuple(t.to(self.device) for t in batch)
            # Unpack the inputs from our dataloader
            b_input_ids, b_input_mask, = batch
            # Telling the model not to compute or store gradients, saving memory and speeding up prediction

            with torch.no_grad():
                # Forward pass, calculate logit predictions
                outputs = self.model(b_input_ids,
                                     token_type_ids=None,
                                     attention_mask=b_input_mask)
            logits = outputs[0]

            # Move logits and labels to device

            logits = logits.detach().cpu().numpy()

            # Store predictions and true labels
            predictions.append(logits)

        print(' DONE.')

    def format_time(self, elapsed):
        """A function that takes a time in seconds and returns a string hh:mm:ss"""

        # Round to the nearest second.
        elapsed_rounded = int(round((elapsed)))

        # Format as hh:mm:ss
        return str(datetime.timedelta(seconds=elapsed_rounded))

    def flat_accuracy(self, preds, labels):
        """A function for calculating accuracy scores"""

        pred_flat = np.argmax(preds, axis=1).flatten()
        labels_flat = labels.flatten()
        return accuracy_score(labels_flat, pred_flat)

    def flat_f1(self, preds, labels):
        """A function for calculating f1 scores"""

        pred_flat = np.argmax(preds, axis=1).flatten()
        labels_flat = labels.flatten()
        return f1_score(labels_flat, pred_flat)

    def tokenizer_map(self, text, labels=False):
        inputs_ids = []
        attention_mask = []

        for sequence in text:
            encoded_dict = self.tokenizer.encode_plus(
                sequence,
                add_special_tokens=True,
                truncation='longest_first',
                max_length=self.max_sequence_len,
                pad_to_max_length=True,
                return_attention_mask=True,
                return_tensors='pt')
            # print(encoded_dict)
            inputs_ids.append(encoded_dict['input_ids'])
            attention_mask.append(encoded_dict['attention_mask'])

        inputs_ids = torch.cat(inputs_ids, dim=0)
        attention_mask = torch.cat(attention_mask, dim=0)

        # We only want this for training labels.
        if labels:
            self.y_train = torch.tensor(self.y_train)

        return inputs_ids, attention_mask

    def fit_trainer(self):
        self.training_args = TrainingArguments(
            output_dir='./results',
            num_train_epochs=self.epochs,
            per_device_train_batch_size=self.batch_size,
            per_device_eval_batch_size=self.batch_size,
            warmup_steps=0,
            weight_decay=0.01,
            logging_dir=None)

        self.trainer = Trainer(model=self.model,
                               args=self.training_args,
                               train_dataset=self.train_dataset,
                               eval_dataset=self.val_dataset)

        self.trainer.train()
        self.trainer.evaluate()

    def predict_trainer(self):
        self.trainer.predict(self.test_dataset)

    def TFfit_trainer(self):
        pass
コード例 #29
0
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser((ModelArguments, DataTrainingArguments, TrainingArguments))
    model_args, data_args, training_args = parser.parse_args_into_dataclasses()

    if data_args.eval_data_file is None and training_args.do_eval:
        raise ValueError(
            "Cannot do evaluation without an evaluation data file. Either supply a file to --eval_data_file "
            "or remove the --do_eval argument."
        )

    if (
        os.path.exists(training_args.output_dir)
        and os.listdir(training_args.output_dir)
        and training_args.do_train
        and not training_args.overwrite_output_dir
    ):
        raise ValueError(
            f"Output directory ({training_args.output_dir}) already exists and is not empty. Use --overwrite_output_dir to overcome."
        )

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s -   %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        level=logging.INFO if training_args.local_rank in [-1, 0] else logging.WARN,
    )
    logger.warning(
        "Process rank: %s, device: %s, n_gpu: %s, distributed training: %s, 16-bits training: %s",
        training_args.local_rank,
        training_args.device,
        training_args.n_gpu,
        bool(training_args.local_rank != -1),
        training_args.fp16,
    )
    logger.info("Training/evaluation parameters %s", training_args)

    # Set seed
    set_seed(training_args.seed)

    # Load pretrained model and tokenizer
    #
    # Distributed training:
    # The .from_pretrained methods guarantee that only one local process can concurrently
    # download model & vocab.

    if model_args.config_name:
        config = AutoConfig.from_pretrained(model_args.config_name, cache_dir=model_args.cache_dir)
    elif model_args.model_name_or_path:
        config = AutoConfig.from_pretrained(model_args.model_name_or_path, cache_dir=model_args.cache_dir)
    else:
        config = CONFIG_MAPPING[model_args.model_type]()
        logger.warning("You are instantiating a new config instance from scratch.")

    if model_args.tokenizer_name:
        tokenizer = AutoTokenizer.from_pretrained(model_args.tokenizer_name, cache_dir=model_args.cache_dir)
    elif model_args.model_name_or_path:
        if model_args.model_name_or_path == 'ruberta_base':
            tokenizer = RobertaTokenizerYttm(glob.glob(os.path.normpath(model_args.model_name_or_path) + '/*.bpe')[0])
        else:
            tokenizer = AutoTokenizer.from_pretrained(model_args.model_name_or_path, cache_dir=model_args.cache_dir)
    else:
        raise ValueError(
            "You are instantiating a new tokenizer from scratch. This is not supported, but you can do it from another script, save it,"
            "and load it from here, using --tokenizer_name"
        )

    if model_args.model_name_or_path:
        model = AutoModelWithLMHead.from_pretrained(
            model_args.model_name_or_path,
            from_tf=bool(".ckpt" in model_args.model_name_or_path),
            config=config,
            cache_dir=model_args.cache_dir,
        )
    else:
        logger.info("Training new model from scratch")
        model = AutoModelWithLMHead.from_config(config)

    model.resize_token_embeddings(len(tokenizer))

    if config.model_type in ["bert", "roberta", "distilbert", "camembert"] and not data_args.mlm:
        raise ValueError(
            "BERT and RoBERTa-like models do not have LM heads but masked LM heads. They must be run using the --mlm "
            "flag (masked language modeling)."
        )

    if data_args.block_size <= 0:
        data_args.block_size = tokenizer.max_len
        # Our input block size will be the max possible for the model
    else:
        data_args.block_size = min(data_args.block_size, tokenizer.max_len)

    # Get datasets

    train_dataset = get_dataset(data_args, tokenizer=tokenizer) if training_args.do_train else None
    eval_dataset = get_dataset(data_args, tokenizer=tokenizer, evaluate=True) if training_args.do_eval else None
    data_collator = DataCollatorForLanguageModeling(
        tokenizer=tokenizer, mlm=data_args.mlm, mlm_probability=data_args.mlm_probability
    )

    # Initialize our Trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        data_collator=data_collator,
        train_dataset=train_dataset,
        eval_dataset=eval_dataset,
        prediction_loss_only=True,
    )

    # Training
    if training_args.do_train:
        model_path = (
            model_args.model_name_or_path
            if model_args.model_name_or_path is not None and os.path.isdir(model_args.model_name_or_path)
            else None
        )
        trainer.train(model_path=model_path)
        trainer.save_model()
        # For convenience, we also re-save the tokenizer to the same directory,
        # so that you can share your model easily on huggingface.co/models =)
        if trainer.is_world_master():
            tokenizer.save_pretrained(training_args.output_dir)

    # Evaluation
    results = {}
    if training_args.do_eval:
        logger.info("*** Evaluate ***")

        eval_output = trainer.evaluate()

        perplexity = math.exp(eval_output["eval_loss"])
        result = {"perplexity": perplexity}

        output_eval_file = os.path.join(training_args.output_dir, "eval_results_lm.txt")
        if trainer.is_world_master():
            with open(output_eval_file, "w") as writer:
                logger.info("***** Eval results *****")
                for key in sorted(result.keys()):
                    logger.info("  %s = %s", key, str(result[key]))
                    writer.write("%s = %s\n" % (key, str(result[key])))

        results.update(result)

    return results
コード例 #30
0
def main():
    # See all possible arguments in src/transformers/training_args.py
    # or by passing the --help flag to this script.
    # We now keep distinct sets of args, for a cleaner separation of concerns.

    parser = HfArgumentParser(
        (ModelArguments, DataTrainingArguments, TrainingArguments))
    if len(sys.argv) == 2 and sys.argv[1].endswith(".json"):
        # If we pass only one argument to the script and it's the path to a json file,
        # let's parse it to get our arguments.
        model_args, data_args, training_args = parser.parse_json_file(
            json_file=os.path.abspath(sys.argv[1]))
    else:
        model_args, data_args, training_args = parser.parse_args_into_dataclasses(
        )

    if (os.path.exists(training_args.output_dir)
            and os.listdir(training_args.output_dir) and training_args.do_train
            and not training_args.overwrite_output_dir):
        raise ValueError(
            f"Output directory ({training_args.output_dir}) already exists and is not empty. "
            "Use --overwrite_output_dir to overcome.")

    # Setup logging
    logging.basicConfig(
        format="%(asctime)s - %(levelname)s - %(name)s -   %(message)s",
        datefmt="%m/%d/%Y %H:%M:%S",
        level=logging.INFO
        if is_main_process(training_args.local_rank) else logging.WARN,
    )

    # Log on each process the small summary:
    logger.warning(
        f"Process rank: {training_args.local_rank}, device: {training_args.device}, n_gpu: {training_args.n_gpu}"
        +
        f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
    )

    # Set the verbosity to info of the Transformers logger (on main process only):
    if is_main_process(training_args.local_rank):
        transformers.utils.logging.set_verbosity_info()
        transformers.utils.logging.enable_default_handler()
        transformers.utils.logging.enable_explicit_format()
    logger.info(f"Training/evaluation parameters {training_args}")

    # Set seed before initializing model.
    set_seed(training_args.seed)

    # Get the datasets: you can either provide your own CSV/JSON training and evaluation files (see below)
    #
    # For CSV/JSON files, this script will use as labels the column called 'label' and as pair of sentences the
    # sentences in columns called 'sentence1' and 'sentence2' if such column exists or the first two columns not named
    # label if at least two columns are provided.
    #
    # If the CSVs/JSONs contain only one non-label column, the script does single sentence classification on this
    # single column. You can easily tweak this behavior (see below)
    #
    # In distributed training, the load_dataset function guarantee that only one local process can concurrently
    # download the dataset.
    datasets = load_dataset("dataset/offenseval_script.py")
    # See more about loading any type of standard or custom dataset at
    # https://huggingface.co/docs/datasets/loading_datasets.html.

    # A useful fast method:
    # https://huggingface.co/docs/datasets/package_reference/main_classes.html#datasets.Dataset.unique
    label_list = datasets["train"].unique("label")
    label_list.sort()  # Let's sort it for determinism
    num_labels = len(label_list)
    print("DEBUG:", num_labels)
    # Load pretrained model and tokenizer
    #
    # In distributed training, the .from_pretrained methods guarantee that only one local process can concurrently
    # download model & vocab.
    config = AutoConfig.from_pretrained(
        model_args.config_name
        if model_args.config_name else model_args.model_name_or_path,
        num_labels=num_labels,
        cache_dir=model_args.cache_dir,
        revision=model_args.model_revision,
    )
    tokenizer = AutoTokenizer.from_pretrained(
        model_args.tokenizer_name
        if model_args.tokenizer_name else model_args.model_name_or_path,
        cache_dir=model_args.cache_dir,
        use_fast=model_args.use_fast_tokenizer,
        revision=model_args.model_revision,
    )
    model = AutoModelForSequenceClassification.from_pretrained(
        model_args.model_name_or_path,
        config=config,
        cache_dir=model_args.cache_dir,
        revision=model_args.model_revision,
    )

    sentence_key = "tweet"

    # Padding strategy
    if data_args.pad_to_max_length:
        padding = "max_length"
        max_length = data_args.max_seq_length
    else:
        # We will pad later, dynamically at batch creation, to the max sequence length in each batch
        padding = False
        max_length = None

    label_to_id = {v: i for i, v in enumerate(label_list)}

    def preprocess_function(examples):
        # Tokenize the texts
        args = ((examples[sentence_key], ))
        result = tokenizer(*args,
                           padding=padding,
                           max_length=max_length,
                           truncation=True)

        # Map labels to IDs (not necessary for GLUE tasks)
        if label_to_id is not None and "label" in examples:
            result["label"] = [label_to_id[l] for l in examples["label"]]
        return result

    datasets = datasets.map(preprocess_function,
                            batched=True,
                            load_from_cache_file=not data_args.overwrite_cache)

    train_dataset = datasets["train"]
    test_dataset = datasets["test"]

    # Log a few random samples from the training set:
    for index in random.sample(range(len(train_dataset)), 3):
        logger.info(
            f"Sample {index} of the training set: {train_dataset[index]}.")

    metric = load_metric("f1")

    def compute_metrics(p: EvalPrediction):
        preds = p.predictions[0] if isinstance(p.predictions,
                                               tuple) else p.predictions
        preds = np.argmax(preds, axis=1)
        result = metric.compute(predictions=preds,
                                references=p.label_ids,
                                average="macro")
        return result

    # Initialize our Trainer
    trainer = Trainer(
        model=model,
        args=training_args,
        train_dataset=train_dataset,
        eval_dataset=test_dataset,
        compute_metrics=compute_metrics,
        tokenizer=tokenizer,
        data_collator=default_data_collator
        if data_args.pad_to_max_length else None,
    )

    # Training
    if training_args.do_train:
        train_result = trainer.train(
            model_path=model_args.model_name_or_path if os.path.
            isdir(model_args.model_name_or_path) else None)
        metrics = train_result.metrics

        trainer.save_model()  # Saves the tokenizer too for easy upload

        output_train_file = os.path.join(training_args.output_dir,
                                         "train_results.txt")
        if trainer.is_world_process_zero():
            with open(output_train_file, "w") as writer:
                logger.info("***** Train results *****")
                for key, value in sorted(metrics.items()):
                    logger.info(f"  {key} = {value}")
                    writer.write(f"{key} = {value}\n")

            trainer.state.save_to_json(
                os.path.join(training_args.output_dir, "trainer_state.json"))

    # Evaluation
    eval_results = {}
    if training_args.do_eval:
        logger.info("*** Evaluate ***")

        eval_result = trainer.evaluate(eval_dataset=test_dataset)

        output_eval_file = os.path.join(training_args.output_dir,
                                        f"eval_results.txt")
        if trainer.is_world_process_zero():
            with open(output_eval_file, "w") as writer:
                logger.info(f"***** Eval results *****")
                for key, value in sorted(eval_result.items()):
                    logger.info(f"  {key} = {value}")
                    writer.write(f"{key} = {value}\n")

        eval_results.update(eval_result)

    return eval_results