


import argparse
import glob
import logging
import os
from argparse import Namespace
from importlib import import_module

import numpy as np
import torch
from lightning_base import BaseTransformer, add_generic_args, generic_train
from seqeval.metrics import accuracy_score, fa_score, precision_score, recall_score
from torch.nn import CrossEntropyLoss
from torch.utils.data import DataLoader, TensorDataset
from utils_ner import TokenClassificationTask


lowerCAmelCase       =							logging.getLogger(__name__)


class        _a							(			UpperCamelCase__			):
							_lowercase	:			Union[str, Any]        = '''token-classification'''

							def __init__(							self:	int    ,						UpperCamelCase_:	Optional[Any]							)			->   Dict:





									"""simple docstring"""







									if type(UpperCamelCase_							) == dict:
											lowercase__            =      Namespace(**UpperCamelCase_							)
									lowercase__            =      import_module('''tasks'''							)
									try:
											lowercase__            =      getattr(UpperCamelCase_    ,						hparams.task_type							)
											lowercase__            =      token_classification_task_clazz()
									except AttributeError:
											raise ValueError(
											    f'Task {hparams.task_type} needs to be defined as a TokenClassificationTask subclass in {module}. '
											    f'Available tasks classes are: {TokenClassificationTask.__subclasses__()}'							)
									lowercase__            =      self.token_classification_task.get_labels(hparams.labels							)
									lowercase__            =      CrossEntropyLoss().ignore_index
									super().__init__(UpperCamelCase_    ,						len(self.labels							)    ,						self.mode							)

							def       lowerCamelCase_ (							self:	Tuple    ,						**UpperCamelCase_:	Optional[int]							)			->   str:





									"""simple docstring"""







									return self.model(**UpperCamelCase_							)

							def       lowerCamelCase_ (							self:	List[str]    ,						UpperCamelCase_:	List[Any]    ,						UpperCamelCase_:	int							)			->   int:





									"""simple docstring"""







									lowercase__            =      {'''input_ids''': batch[0], '''attention_mask''': batch[1], '''labels''': batch[3]}
									if self.config.model_type != "distilbert":
											lowercase__            =      (
											    batch[2] if self.config.model_type in ['''bert''', '''xlnet'''] else None
											)  # XLM and RoBERTa don"t use token_type_ids

									lowercase__            =      self(**UpperCamelCase_							)
									lowercase__            =      outputs[0]
									# tensorboard_logs = {"loss": loss, "rate": self.lr_scheduler.get_last_lr()[-1]}
									return {"loss": loss}

							def       lowerCamelCase_ (							self:	Optional[Any]							)			->   Optional[int]:





									"""simple docstring"""







									lowercase__            =      self.hparams
									for mode in ["train", "dev", "test"]:
											lowercase__            =      self._feature_file(UpperCamelCase_							)
											if os.path.exists(UpperCamelCase_							) and not args.overwrite_cache:
													logger.info('''Loading features from cached file %s'''    ,						UpperCamelCase_							)
													lowercase__            =      torch.load(UpperCamelCase_							)
											else:
													logger.info('''Creating features from dataset file at %s'''    ,						args.data_dir							)
													lowercase__            =      self.token_classification_task.read_examples_from_file(args.data_dir    ,						UpperCamelCase_							)
													lowercase__            =      self.token_classification_task.convert_examples_to_features(
													    UpperCamelCase_    ,						self.labels    ,						args.max_seq_length    ,						self.tokenizer    ,						cls_token_at_end=bool(self.config.model_type in ['''xlnet''']							)    ,						cls_token=self.tokenizer.cls_token    ,						cls_token_segment_id=2 if self.config.model_type in ['''xlnet'''] else 0    ,						sep_token=self.tokenizer.sep_token    ,						sep_token_extra=UpperCamelCase_    ,						pad_on_left=bool(self.config.model_type in ['''xlnet''']							)    ,						pad_token=self.tokenizer.pad_token_id    ,						pad_token_segment_id=self.tokenizer.pad_token_type_id    ,						pad_token_label_id=self.pad_token_label_id    ,						)
													logger.info('''Saving features into cached file %s'''    ,						UpperCamelCase_							)
													torch.save(UpperCamelCase_    ,						UpperCamelCase_							)

							def       lowerCamelCase_ (							self:	Union[str, Any]    ,						UpperCamelCase_:	int    ,						UpperCamelCase_:	int    ,						UpperCamelCase_:	bool = False							)			->   DataLoader:





									"""simple docstring"""







									lowercase__            =      self._feature_file(UpperCamelCase_							)
									logger.info('''Loading features from cached file %s'''    ,						UpperCamelCase_							)
									lowercase__            =      torch.load(UpperCamelCase_							)
									lowercase__            =      torch.tensor([f.input_ids for f in features]    ,						dtype=torch.long							)
									lowercase__            =      torch.tensor([f.attention_mask for f in features]    ,						dtype=torch.long							)
									if features[0].token_type_ids is not None:
											lowercase__            =      torch.tensor([f.token_type_ids for f in features]    ,						dtype=torch.long							)
									else:
											lowercase__            =      torch.tensor([0 for f in features]    ,						dtype=torch.long							)
											# HACK(we will not use this anymore soon)
									lowercase__            =      torch.tensor([f.label_ids for f in features]    ,						dtype=torch.long							)
									return DataLoader(
									    TensorDataset(UpperCamelCase_    ,						UpperCamelCase_    ,						UpperCamelCase_    ,						UpperCamelCase_							)    ,						batch_size=UpperCamelCase_							)

							def       lowerCamelCase_ (							self:	Any    ,						UpperCamelCase_:	int    ,						UpperCamelCase_:	List[Any]							)			->   Union[str, Any]:





									"""simple docstring"""







									"""Compute validation""" ""
									lowercase__            =      {'''input_ids''': batch[0], '''attention_mask''': batch[1], '''labels''': batch[3]}
									if self.config.model_type != "distilbert":
											lowercase__            =      (
											    batch[2] if self.config.model_type in ['''bert''', '''xlnet'''] else None
											)  # XLM and RoBERTa don"t use token_type_ids
									lowercase__            =      self(**UpperCamelCase_							)
									lowercase__     ,		lowercase__            =      outputs[:2]
									lowercase__            =      logits.detach().cpu().numpy()
									lowercase__            =      inputs['''labels'''].detach().cpu().numpy()
									return {"val_loss": tmp_eval_loss.detach().cpu(), "pred": preds, "target": out_label_ids}

							def       lowerCamelCase_ (							self:	Dict    ,						UpperCamelCase_:	List[str]							)			->   int:





									"""simple docstring"""







									lowercase__            =      torch.stack([x['''val_loss'''] for x in outputs]							).mean()
									lowercase__            =      np.concatenate([x['''pred'''] for x in outputs]    ,						axis=0							)
									lowercase__            =      np.argmax(UpperCamelCase_    ,						axis=2							)
									lowercase__            =      np.concatenate([x['''target'''] for x in outputs]    ,						axis=0							)

									lowercase__            =      dict(enumerate(self.labels							)							)
									lowercase__            =      [[] for _ in range(out_label_ids.shape[0]							)]
									lowercase__            =      [[] for _ in range(out_label_ids.shape[0]							)]

									for i in range(out_label_ids.shape[0]							):
											for j in range(out_label_ids.shape[1]							):
													if out_label_ids[i, j] != self.pad_token_label_id:
															out_label_list[i].append(label_map[out_label_ids[i][j]]							)
															preds_list[i].append(label_map[preds[i][j]]							)

									lowercase__            =      {
									    '''val_loss''': val_loss_mean,
									    '''accuracy_score''': accuracy_score(UpperCamelCase_    ,						UpperCamelCase_							),
									    '''precision''': precision_score(UpperCamelCase_    ,						UpperCamelCase_							),
									    '''recall''': recall_score(UpperCamelCase_    ,						UpperCamelCase_							),
									    '''f1''': fa_score(UpperCamelCase_    ,						UpperCamelCase_							),
									}

									lowercase__            =      dict(results.items()							)
									lowercase__            =      results
									return ret, preds_list, out_label_list

							def       lowerCamelCase_ (							self:	List[Any]    ,						UpperCamelCase_:	List[Any]							)			->   Dict:





									"""simple docstring"""







									lowercase__     ,		lowercase__     ,		lowercase__            =      self._eval_end(UpperCamelCase_							)
									lowercase__            =      ret['''log''']
									return {"val_loss": logs["val_loss"], "log": logs, "progress_bar": logs}

							def       lowerCamelCase_ (							self:	List[str]    ,						UpperCamelCase_:	Dict							)			->   Dict:





									"""simple docstring"""







									lowercase__     ,		lowercase__     ,		lowercase__            =      self._eval_end(UpperCamelCase_							)

									# Converting to the dict required by pl
									# https://github.com/PyTorchLightning/pytorch-lightning/blob/master/\
									# pytorch_lightning/trainer/logging.py#L139
									lowercase__            =      ret['''log''']
									# `val_loss` is the key returned by `self._eval_end()` but actually refers to `test_loss`
									return {"avg_test_loss": logs["val_loss"], "log": logs, "progress_bar": logs}


							@staticmethod
							def       lowerCamelCase_ (							UpperCamelCase_:	Optional[Any]    ,						UpperCamelCase_:	str							)			->   Optional[Any]:





									"""simple docstring"""







									BaseTransformer.add_model_specific_args(UpperCamelCase_    ,						UpperCamelCase_							)
									parser.add_argument(
									    '''--task_type'''    ,						default='''NER'''    ,						type=UpperCamelCase_    ,						help='''Task type to fine tune in training (e.g. NER, POS, etc)'''							)
									parser.add_argument(
									    '''--max_seq_length'''    ,						default=128    ,						type=UpperCamelCase_    ,						help=(
									        '''The maximum total input sequence length after tokenization. Sequences longer '''
									        '''than this will be truncated, sequences shorter will be padded.'''
									    )    ,						)

									parser.add_argument(
									    '''--labels'''    ,						default=''''''    ,						type=UpperCamelCase_    ,						help='''Path to a file containing all labels. If not specified, CoNLL-2003 labels are used.'''    ,						)
									parser.add_argument(
									    '''--gpus'''    ,						default=0    ,						type=UpperCamelCase_    ,						help='''The number of GPUs allocated for this, it is by default 0 meaning none'''    ,						)

									parser.add_argument(
									    '''--overwrite_cache'''    ,						action='''store_true'''    ,						help='''Overwrite the cached training and evaluation sets'''							)

									return parser


if __name__ == "__main__":
			lowerCAmelCase       =							argparse.ArgumentParser()
			add_generic_args(parser, os.getcwd())
			lowerCAmelCase       =							NERTransformer.add_model_specific_args(parser, os.getcwd())
			lowerCAmelCase       =							parser.parse_args()
			lowerCAmelCase       =							NERTransformer(args)
			lowerCAmelCase       =							generic_train(model, args)

			if args.do_predict:
						# See https://github.com/huggingface/transformers/issues/3159
						# pl use this default format to create a checkpoint:
						# https://github.com/PyTorchLightning/pytorch-lightning/blob/master\
						# /pytorch_lightning/callbacks/model_checkpoint.py#L322
						lowerCAmelCase       =							sorted(glob.glob(os.path.join(args.output_dir, 'checkpoint-epoch=*.ckpt'), recursive=True))
						lowerCAmelCase       =							model.load_from_checkpoint(checkpoints[-1])
						trainer.test(model)



def       _snake_case	(   lowerCAmelCase							:   int	):
		"""simple docstring"""







		SCREAMING_SNAKE_CASE_  :		Tuple				      =    int(lowerCAmelCase	)
		if decimal in (0, 1):  # Exit cases for the recursion
				return str(lowerCAmelCase	)
		SCREAMING_SNAKE_CASE_      ,    SCREAMING_SNAKE_CASE_  :		Dict				      =    divmod(lowerCAmelCase   , 2	)
		return binary_recursive(lowerCAmelCase	) + str(lowerCAmelCase	)




def       _snake_case	(   lowerCAmelCase							:   str	):
		"""simple docstring"""







		SCREAMING_SNAKE_CASE_  :		str				      =    str(lowerCAmelCase	).strip()
		if not number:
				raise ValueError("No input value was provided"	)
		SCREAMING_SNAKE_CASE_  :		List[str]				      =    "-" if number.startswith("-"	) else ""
		SCREAMING_SNAKE_CASE_  :		Optional[Any]				      =    number.lstrip("-"	)
		if not number.isnumeric():
				raise ValueError("Input value is not an integer"	)
		return f'{negative}0b{binary_recursive(int(lowerCAmelCase	)	)}'


if __name__ == "__main__":
		from doctest import testmod

		testmod()
