


import logging
import os
import sys
from dataclasses import dataclass, field
from importlib import import_module
from typing import Dict, List, Optional, Tuple

import numpy as np
from seqeval.metrics import accuracy_score, fa_score, precision_score, recall_score
from torch import nn
from utils_ner import Split, TokenClassificationDataset, TokenClassificationTask

import transformers
from transformers import (
    AutoConfig,
    AutoModelForTokenClassification,
    AutoTokenizer,
    DataCollatorWithPadding,
    EvalPrediction,
    HfArgumentParser,
    Trainer,
    TrainingArguments,
    set_seed,
)
from transformers.trainer_utils import is_main_process


__snake_case   							=						logging.getLogger(__name__)



@dataclass
class 	__lowerCamelCase			:
       _lowercase											=     field(
           metadata={"""help""": """Path to pretrained model or model identifier from huggingface.co/models"""}						)
       _lowercase											=     field(
           default=_a				,      metadata={"""help""": """Pretrained config name or path if not the same as model_name"""}						)
       _lowercase											=     field(
           default="""NER"""				,      metadata={"""help""": """Task type to fine tune in training (e.g. NER, POS, etc)"""}						)
       _lowercase											=     field(
           default=_a				,      metadata={"""help""": """Pretrained tokenizer name or path if not the same as model_name"""}						)
       _lowercase											=     field(default=_a				,      metadata={"""help""": """Set this flag to use fast tokenization."""}						)
       # If you want to tweak more attributes on your tokenizer, you should do it in a distinct script,
       # or just modify its tokenizer_config.json.
       _lowercase											=     field(
           default=_a				,      metadata={"""help""": """Where do you want to store the pretrained models downloaded from huggingface.co"""}				,      )



@dataclass
class 	__lowerCamelCase			:
       _lowercase											=     field(
           metadata={"""help""": """The input data dir. Should contain the .txt files for a CoNLL-2003-formatted task."""}						)
       _lowercase											=     field(
           default=_a				,      metadata={"""help""": """Path to a file containing all labels. If not specified, CoNLL-2003 labels are used."""}				,      )
       _lowercase											=     field(
           default=128				,      metadata={
               """help""": (
                   """The maximum total input sequence length after tokenization. Sequences longer """
                   """than this will be truncated, sequences shorter will be padded."""
               )
           }				,      )
       _lowercase											=     field(
           default=_a				,      metadata={"""help""": """Overwrite the cached training and evaluation sets"""}						)






def 		_A		(		)					-> str:


     """simple docstring"""


     __UpperCamelCase =			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.
          __UpperCamelCase,    __UpperCamelCase,    __UpperCamelCase =			parser.parse_json_file(json_file=os.path.abspath(sys.argv[1] ) )
     else:
          __UpperCamelCase,    __UpperCamelCase,    __UpperCamelCase =			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.' )

     __UpperCamelCase =			import_module('tasks' )
     try:
          __UpperCamelCase =			getattr(_lowercase					,  model_args.task_type )
          __UpperCamelCase =			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.fpaa					,  )
     # 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'					,  _lowercase )

     # Set seed
     set_seed(training_args.seed )

     # Prepare CONLL-2003 task
     __UpperCamelCase =			token_classification_task.get_labels(data_args.labels )
     __UpperCamelCase =			dict(enumerate(_lowercase ) )
     __UpperCamelCase =			len(_lowercase )

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

     __UpperCamelCase =			AutoConfig.from_pretrained(
         model_args.config_name if model_args.config_name else model_args.model_name_or_path					,  num_labels=_lowercase					,  idalabel=_lowercase					,  labelaid={label: i for i, label in enumerate(_lowercase )}					,  cache_dir=model_args.cache_dir					,  )
     __UpperCamelCase =			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					,  )
     __UpperCamelCase =			AutoModelForTokenClassification.from_pretrained(
         model_args.model_name_or_path					,  from_tf=bool('.ckpt' in model_args.model_name_or_path )					,  config=_lowercase					,  cache_dir=model_args.cache_dir					,  )

     # Get datasets
     __UpperCamelCase =			(
         TokenClassificationDataset(
             token_classification_task=_lowercase					,  data_dir=data_args.data_dir					,  tokenizer=_lowercase					,  labels=_lowercase					,  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
     )
     __UpperCamelCase =			(
         TokenClassificationDataset(
             token_classification_task=_lowercase					,  data_dir=data_args.data_dir					,  tokenizer=_lowercase					,  labels=_lowercase					,  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(_lowercase					,  _lowercase ) -> Tuple[List[int], List[int]]:
          __UpperCamelCase =			np.argmax(_lowercase					,  axis=2 )

          __UpperCamelCase,    __UpperCamelCase =			preds.shape

          __UpperCamelCase =			[[] for _ in range(_lowercase )]
          __UpperCamelCase =			[[] for _ in range(_lowercase )]

          for i in range(_lowercase ):
               for j in range(_lowercase ):
                    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(_lowercase ) -> Dict:
          __UpperCamelCase,    __UpperCamelCase =			align_predictions(p.predictions					,  p.label_ids )
          return {
              "accuracy_score": accuracy_score(_lowercase					,  _lowercase ),
              "precision": precision_score(_lowercase					,  _lowercase ),
              "recall": recall_score(_lowercase					,  _lowercase ),
              "f1": fa_score(_lowercase					,  _lowercase ),
          }

     # Data collator
     __UpperCamelCase =			DataCollatorWithPadding(_lowercase					,  pad_to_multiple_of=8 ) if training_args.fpaa else None

     # Initialize our Trainer
     __UpperCamelCase =			Trainer(
         model=_lowercase					,  args=_lowercase					,  train_dataset=_lowercase					,  eval_dataset=_lowercase					,  compute_metrics=_lowercase					,  data_collator=_lowercase					,  )

     # 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
     __UpperCamelCase =			{}
     if training_args.do_eval:
          logger.info('*** Evaluate ***' )

          __UpperCamelCase =			trainer.evaluate()

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

               results.update(_lowercase )

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

          __UpperCamelCase,    __UpperCamelCase,    __UpperCamelCase =			trainer.predict(_lowercase )
          __UpperCamelCase,    __UpperCamelCase =			align_predictions(_lowercase					,  _lowercase )

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

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

     return results






def 		_A		(		_lowercase )					-> Dict:


     """simple docstring"""


     main()


if __name__ == "__main__":
    main()










import unittest

import numpy as np






def 	UpperCamelCase	(							snake_case__  : np.ndarray						,snake_case__  : np.ndarray						,snake_case__  : np.ndarray						,snake_case__  : np.ndarray | None = None						,):




     '''simple docstring'''






     __snake_case      :Any 							=    np.shape(snake_case__	)
     __snake_case      :List[str] 							=    np.shape(snake_case__	)
     __snake_case      :List[str] 							=    np.shape(snake_case__	)

     if shape_a[0] != shape_b[0]:
          __snake_case      :int 							=    (
              """Expected the same number of rows for A and B. """
              f'''Instead found A of size {shape_a} and B of size {shape_b}'''
          )
          raise ValueError(snake_case__	)

     if shape_b[1] != shape_c[1]:
          __snake_case      :List[str] 							=    (
              """Expected the same number of columns for B and C. """
              f'''Instead found B of size {shape_b} and C of size {shape_c}'''
          )
          raise ValueError(snake_case__	)

     __snake_case      :Any 							=    pseudo_inv
     if a_inv is None:
          try:
               __snake_case      :Optional[Any] 							=    np.linalg.inv(snake_case__	)
          except np.linalg.LinAlgError:
               raise ValueError(
                   """Input matrix A is not invertible. Cannot compute Schur complement."""	)

     return mat_c - mat_b.T @ a_inv @ mat_b




class       snake_case__ (				unittest.TestCase):

       '''simple docstring'''



       def        __lowercase    (				self     )			->   None:






            '''simple docstring'''





            __snake_case      :List[str] 							=    np.array([[1, 2, 1], [2, 1, 2], [3, 2, 4]]     )
            __snake_case      :Union[str, Any] 							=    np.array([[0, 3], [3, 0], [2, 3]]     )
            __snake_case      :List[Any] 							=    np.array([[2, 1], [6, 3]]     )

            __snake_case      :int 							=    schur_complement(a__      ,    a__      ,    a__     )

            __snake_case      :Union[str, Any] 							=    np.block([[a, b], [b.T, c]]     )

            __snake_case      :Dict 							=    np.linalg.det(a__     )
            __snake_case      :Tuple 							=    np.linalg.det(a__     )
            __snake_case      :List[Any] 							=    np.linalg.det(a__     )

            self.assertAlmostEqual(a__      ,    det_a * det_s     )



       def        __lowercase    (				self     )			->   None:






            '''simple docstring'''





            __snake_case      :List[Any] 							=    np.array([[1, 2, 1], [2, 1, 2], [3, 2, 4]]     )
            __snake_case      :Union[str, Any] 							=    np.array([[0, 3], [3, 0], [2, 3]]     )
            __snake_case      :Optional[int] 							=    np.array([[2, 1], [6, 3]]     )

            with self.assertRaises(a__     ):
                 schur_complement(a__      ,    a__      ,    a__     )



       def        __lowercase    (				self     )			->   None:






            '''simple docstring'''





            __snake_case      :Optional[Any] 							=    np.array([[1, 2, 1], [2, 1, 2], [3, 2, 4]]     )
            __snake_case      :List[str] 							=    np.array([[0, 3], [3, 0], [2, 3]]     )
            __snake_case      :List[Any] 							=    np.array([[2, 1, 3], [6, 3, 5]]     )

            with self.assertRaises(a__     ):
                 schur_complement(a__      ,    a__      ,    a__     )


if __name__ == "__main__":
     import doctest

     doctest.testmod()
     unittest.main()


