




import argparse
import logging

import datasets
from tokenizers import Tokenizer, decoders, normalizers, pre_tokenizers, processors
from tokenizers.models import Unigram
from tokenizers.trainers import UnigramTrainer

from transformers import AlbertTokenizerFast


UpperCamelCase__       				=	logging.getLogger(__name__)






def 				UpperCAmelCase__  (							):






  """simple docstring"""


  a_		    =  argparse.ArgumentParser(description='''Train a unigram tokenizer on the wikitext dataset.'''			)
  parser.add_argument(
      '''--dataset_name'''      ,      type=_A      ,      default='''wikitext'''      ,      help='''Name of the training. Explore datasets at: hf.co/datasets.'''      ,      )
  parser.add_argument(
      '''--dataset_config'''      ,      type=_A      ,      default='''wikitext-103-raw-v1'''      ,      help='''Configuration name of the dataset.'''			)
  parser.add_argument(
      '''--batch_size'''      ,      type=_A      ,      default=1_000      ,      help='''Batch size during training.'''      ,      )
  parser.add_argument(
      '''--vocab_size'''      ,      type=_A      ,      default=10_048      ,      help='''Size of the desired vocabulary.'''      ,      )
  parser.add_argument(
      '''--limit'''      ,      default=_A      ,      type=_A      ,      help='''Limit the number of shards (used for debugging).'''      ,      )
  parser.add_argument(
      '''--export_to_hub'''      ,      action='''store_true'''      ,      )

  a_		    =  parser.parse_args()
  return args






def 				UpperCAmelCase__  (							_A			):






  """simple docstring"""


  a_		    =  datasets.load_dataset(args.dataset_name      ,      args.dataset_config      ,      split='''train'''			)

  if args.limit is not None:
    a_		    =  min(len(_A			)      ,      args.limit			)
    a_		    =  dataset.select(range(_A			)			)
    logger.info(f"Limiting the dataset to {args.limit} entries."			)

  def batch_iterator():
    for i in range(0      ,      len(_A			)      ,      args.batch_size			):
      yield dataset[i : i + args.batch_size]["text"]

    # Prepare the tokenizer.
  a_		    =  Tokenizer(Unigram()			)
  a_		    =  normalizers.Sequence([normalizers.Replace('''``'''      ,      '''"'''			), normalizers.Replace('''\'\''''      ,      '''"'''			)]			)
  a_		    =  pre_tokenizers.Metaspace()

  # Prepare the trainer.
  a_		    =  UnigramTrainer(
      unk_token='''<unk>'''      ,      special_tokens=['''[CLS]''', '''[SEP]''', '''<unk>''', '''<pad>''', '''[MASK]''']      ,      vocab_size=args.vocab_size      ,      )

  logger.info('''Training the tokenizer.'''			)
  tokenizer.train_from_iterator(batch_iterator()      ,      trainer=_A			)
  logger.info('''Tokenizer training complete!'''			)

  a_		    =  tokenizer.token_to_id('''[CLS]'''			)
  a_		    =  tokenizer.token_to_id('''[SEP]'''			)
  a_		    =  processors.TemplateProcessing(
      single='''[CLS]:0 $A:0 [SEP]:0'''      ,      pair='''[CLS]:0 $A:0 [SEP]:0 $B:1 [SEP]:1'''      ,      special_tokens=[
          ('''[CLS]''', cls_token_id),
          ('''[SEP]''', sep_token_id),
      ]      ,      )
  a_		    =  decoders.Metaspace()

  if args.export_to_hub:
    logger.info('''Exporting the trained tokenzier to Hub.'''			)
    a_		    =  AlbertTokenizerFast(tokenizer_object=_A			)
    new_tokenizer.push_to_hub('''unigram-tokenizer-dataset'''			)


if __name__ == "__main__":
  UpperCamelCase__       				=	parse_args()
  main(args)






import unittest

from transformers import ElectraConfig, is_torch_available
from transformers.models.auto import get_values
from transformers.testing_utils import require_torch, slow, torch_device

from ...test_configuration_common import ConfigTester
from ...test_modeling_common import ModelTesterMixin, floats_tensor, ids_tensor, random_attention_mask
from ...test_pipeline_mixin import PipelineTesterMixin


if is_torch_available():
  import torch

  from transformers import (
      MODEL_FOR_PRETRAINING_MAPPING,
      ElectraForCausalLM,
      ElectraForMaskedLM,
      ElectraForMultipleChoice,
      ElectraForPreTraining,
      ElectraForQuestionAnswering,
      ElectraForSequenceClassification,
      ElectraForTokenClassification,
      ElectraModel,
  )
  from transformers.models.electra.modeling_electra import ELECTRA_PRETRAINED_MODEL_ARCHIVE_LIST
class 							__lowercase   :



     def __init__(  self   :							Optional[Any]      ,		lowercase__   :							int      ,		lowercase__   :							Tuple=1_3      ,		lowercase__   :							Any=7      ,		lowercase__   :							Optional[int]=True      ,		lowercase__   :							str=True      ,		lowercase__   :							Optional[Any]=True      ,		lowercase__   :							int=True      ,		lowercase__   :							str=9_9      ,		lowercase__   :							Dict=3_2      ,		lowercase__   :							Union[str, Any]=5      ,		lowercase__   :							Any=4      ,		lowercase__   :							Tuple=3_7      ,		lowercase__   :							Tuple="gelu"      ,		lowercase__   :							Optional[int]=0.1      ,		lowercase__   :							str=0.1      ,		lowercase__   :							int=5_1_2      ,		lowercase__   :							Any=1_6      ,		lowercase__   :							Dict=2      ,		lowercase__   :							Tuple=0.02      ,		lowercase__   :							Union[str, Any]=3      ,		lowercase__   :							Tuple=4      ,		lowercase__   :							Dict=None      ,		):
       a_		    =  parent
       a_		    =  batch_size
       a_		    =  seq_length
       a_		    =  is_training
       a_		    =  use_input_mask
       a_		    =  use_token_type_ids
       a_		    =  use_labels
       a_		    =  vocab_size
       a_		    =  hidden_size
       a_		    =  num_hidden_layers
       a_		    =  num_attention_heads
       a_		    =  intermediate_size
       a_		    =  hidden_act
       a_		    =  hidden_dropout_prob
       a_		    =  attention_probs_dropout_prob
       a_		    =  max_position_embeddings
       a_		    =  type_vocab_size
       a_		    =  type_sequence_label_size
       a_		    =  initializer_range
       a_		    =  num_labels
       a_		    =  num_choices
       a_		    =  scope



     def 				__magic_name__		(  self   :							str       ):
       a_		    =  ids_tensor([self.batch_size, self.seq_length]      ,		self.vocab_size       )

       a_		    =  None
       if self.use_input_mask:
         a_		    =  random_attention_mask([self.batch_size, self.seq_length]       )

       a_		    =  None
       if self.use_token_type_ids:
         a_		    =  ids_tensor([self.batch_size, self.seq_length]      ,		self.type_vocab_size       )

       a_		    =  None
       a_		    =  None
       a_		    =  None
       if self.use_labels:
         a_		    =  ids_tensor([self.batch_size]      ,		self.type_sequence_label_size       )
         a_		    =  ids_tensor([self.batch_size, self.seq_length]      ,		self.num_labels       )
         a_		    =  ids_tensor([self.batch_size]      ,		self.num_choices       )
         a_		    =  ids_tensor([self.batch_size, self.seq_length]      ,		1       )

       a_		    =  self.get_config()

       return (
           config,
           input_ids,
           token_type_ids,
           input_mask,
           sequence_labels,
           token_labels,
           choice_labels,
           fake_token_labels,
       )



     def 				__magic_name__		(  self   :							Any       ):
       return ElectraConfig(
           vocab_size=self.vocab_size      ,		hidden_size=self.hidden_size      ,		num_hidden_layers=self.num_hidden_layers      ,		num_attention_heads=self.num_attention_heads      ,		intermediate_size=self.intermediate_size      ,		hidden_act=self.hidden_act      ,		hidden_dropout_prob=self.hidden_dropout_prob      ,		attention_probs_dropout_prob=self.attention_probs_dropout_prob      ,		max_position_embeddings=self.max_position_embeddings      ,		type_vocab_size=self.type_vocab_size      ,		is_decoder=lowercase__      ,		initializer_range=self.initializer_range      ,		)



     def 				__magic_name__		(  self   :							Dict       ):
       (
           (
           a_
       )    , (
           a_
       )    , (
           a_
       )    , (
           a_
       )    , (
           a_
       )    , (
           a_
       )    , (
           a_
       )    , (
           a_
       )    , 
       )		    =  self.prepare_config_and_inputs()

       a_		    =  True
       a_		    =  floats_tensor([self.batch_size, self.seq_length, self.hidden_size]       )
       a_		    =  ids_tensor([self.batch_size, self.seq_length]      ,		vocab_size=2       )

       return (
           config,
           input_ids,
           token_type_ids,
           input_mask,
           sequence_labels,
           token_labels,
           choice_labels,
           encoder_hidden_states,
           encoder_attention_mask,
       )



     def 				__magic_name__		(  self   :							Union[str, Any]      ,		lowercase__   :							Optional[Any]      ,		lowercase__   :							int      ,		lowercase__   :							List[Any]      ,		lowercase__   :							List[Any]      ,		lowercase__   :							str      ,		lowercase__   :							Union[str, Any]      ,		lowercase__   :							str      ,		lowercase__   :							str      ,		):
       a_		    =  ElectraModel(config=lowercase__       )
       model.to(lowercase__       )
       model.eval()
       a_		    =  model(lowercase__      ,		attention_mask=lowercase__      ,		token_type_ids=lowercase__       )
       a_		    =  model(lowercase__      ,		token_type_ids=lowercase__       )
       a_		    =  model(lowercase__       )
       self.parent.assertEqual(result.last_hidden_state.shape      ,		(self.batch_size, self.seq_length, self.hidden_size)       )



     def 				__magic_name__		(  self   :							Optional[int]      ,		lowercase__   :							int      ,		lowercase__   :							Tuple      ,		lowercase__   :							Union[str, Any]      ,		lowercase__   :							Optional[Any]      ,		lowercase__   :							List[str]      ,		lowercase__   :							Optional[Any]      ,		lowercase__   :							Any      ,		lowercase__   :							Dict      ,		lowercase__   :							Optional[Any]      ,		):
       a_		    =  True
       a_		    =  ElectraModel(lowercase__       )
       model.to(lowercase__       )
       model.eval()
       a_		    =  model(
           lowercase__      ,		attention_mask=lowercase__      ,		token_type_ids=lowercase__      ,		encoder_hidden_states=lowercase__      ,		encoder_attention_mask=lowercase__      ,		)
       a_		    =  model(
           lowercase__      ,		attention_mask=lowercase__      ,		token_type_ids=lowercase__      ,		encoder_hidden_states=lowercase__      ,		)
       a_		    =  model(lowercase__      ,		attention_mask=lowercase__      ,		token_type_ids=lowercase__       )
       self.parent.assertEqual(result.last_hidden_state.shape      ,		(self.batch_size, self.seq_length, self.hidden_size)       )



     def 				__magic_name__		(  self   :							str      ,		lowercase__   :							List[Any]      ,		lowercase__   :							Any      ,		lowercase__   :							Union[str, Any]      ,		lowercase__   :							Tuple      ,		lowercase__   :							Union[str, Any]      ,		lowercase__   :							Any      ,		lowercase__   :							Dict      ,		lowercase__   :							Any      ,		):
       a_		    =  ElectraForMaskedLM(config=lowercase__       )
       model.to(lowercase__       )
       model.eval()
       a_		    =  model(lowercase__      ,		attention_mask=lowercase__      ,		token_type_ids=lowercase__      ,		labels=lowercase__       )
       self.parent.assertEqual(result.logits.shape      ,		(self.batch_size, self.seq_length, self.vocab_size)       )



     def 				__magic_name__		(  self   :							Optional[int]      ,		lowercase__   :							Dict      ,		lowercase__   :							Dict      ,		lowercase__   :							Dict      ,		lowercase__   :							str      ,		lowercase__   :							List[Any]      ,		lowercase__   :							List[str]      ,		lowercase__   :							Union[str, Any]      ,		lowercase__   :							int      ,		lowercase__   :							str      ,		):
       a_		    =  ElectraForCausalLM(config=lowercase__       )
       model.to(lowercase__       )
       model.eval()
       a_		    =  model(lowercase__      ,		attention_mask=lowercase__      ,		token_type_ids=lowercase__      ,		labels=lowercase__       )
       self.parent.assertEqual(result.logits.shape      ,		(self.batch_size, self.seq_length, self.vocab_size)       )



     def 				__magic_name__		(  self   :							str      ,		lowercase__   :							Union[str, Any]      ,		lowercase__   :							List[Any]      ,		lowercase__   :							str      ,		lowercase__   :							List[str]      ,		lowercase__   :							Union[str, Any]      ,		lowercase__   :							Dict      ,		lowercase__   :							Dict      ,		lowercase__   :							List[Any]      ,		):
       a_		    =  self.num_labels
       a_		    =  ElectraForTokenClassification(config=lowercase__       )
       model.to(lowercase__       )
       model.eval()
       a_		    =  model(lowercase__      ,		attention_mask=lowercase__      ,		token_type_ids=lowercase__      ,		labels=lowercase__       )
       self.parent.assertEqual(result.logits.shape      ,		(self.batch_size, self.seq_length, self.num_labels)       )



     def 				__magic_name__		(  self   :							Any      ,		lowercase__   :							Any      ,		lowercase__   :							Optional[Any]      ,		lowercase__   :							List[str]      ,		lowercase__   :							Any      ,		lowercase__   :							Dict      ,		lowercase__   :							List[str]      ,		lowercase__   :							List[str]      ,		lowercase__   :							List[str]      ,		):
       a_		    =  self.num_labels
       a_		    =  ElectraForPreTraining(config=lowercase__       )
       model.to(lowercase__       )
       model.eval()
       a_		    =  model(lowercase__      ,		attention_mask=lowercase__      ,		token_type_ids=lowercase__      ,		labels=lowercase__       )
       self.parent.assertEqual(result.logits.shape      ,		(self.batch_size, self.seq_length)       )



     def 				__magic_name__		(  self   :							Optional[int]      ,		lowercase__   :							Dict      ,		lowercase__   :							Tuple      ,		lowercase__   :							Any      ,		lowercase__   :							Any      ,		lowercase__   :							int      ,		lowercase__   :							List[str]      ,		lowercase__   :							Optional[int]      ,		lowercase__   :							int      ,		):
       a_		    =  self.num_labels
       a_		    =  ElectraForSequenceClassification(lowercase__       )
       model.to(lowercase__       )
       model.eval()
       a_		    =  model(lowercase__      ,		attention_mask=lowercase__      ,		token_type_ids=lowercase__      ,		labels=lowercase__       )
       self.parent.assertEqual(result.logits.shape      ,		(self.batch_size, self.num_labels)       )



     def 				__magic_name__		(  self   :							Any      ,		lowercase__   :							Union[str, Any]      ,		lowercase__   :							int      ,		lowercase__   :							Any      ,		lowercase__   :							List[Any]      ,		lowercase__   :							Optional[int]      ,		lowercase__   :							Optional[int]      ,		lowercase__   :							List[str]      ,		lowercase__   :							Optional[Any]      ,		):
       a_		    =  ElectraForQuestionAnswering(config=lowercase__       )
       model.to(lowercase__       )
       model.eval()
       a_		    =  model(
           lowercase__      ,		attention_mask=lowercase__      ,		token_type_ids=lowercase__      ,		start_positions=lowercase__      ,		end_positions=lowercase__      ,		)
       self.parent.assertEqual(result.start_logits.shape      ,		(self.batch_size, self.seq_length)       )
       self.parent.assertEqual(result.end_logits.shape      ,		(self.batch_size, self.seq_length)       )



     def 				__magic_name__		(  self   :							int      ,		lowercase__   :							List[str]      ,		lowercase__   :							List[Any]      ,		lowercase__   :							Union[str, Any]      ,		lowercase__   :							Tuple      ,		lowercase__   :							List[Any]      ,		lowercase__   :							List[Any]      ,		lowercase__   :							Dict      ,		lowercase__   :							Optional[Any]      ,		):
       a_		    =  self.num_choices
       a_		    =  ElectraForMultipleChoice(config=lowercase__       )
       model.to(lowercase__       )
       model.eval()
       a_		    =  input_ids.unsqueeze(1       ).expand(-1      ,		self.num_choices      ,		-1       ).contiguous()
       a_		    =  token_type_ids.unsqueeze(1       ).expand(-1      ,		self.num_choices      ,		-1       ).contiguous()
       a_		    =  input_mask.unsqueeze(1       ).expand(-1      ,		self.num_choices      ,		-1       ).contiguous()
       a_		    =  model(
           lowercase__      ,		attention_mask=lowercase__      ,		token_type_ids=lowercase__      ,		labels=lowercase__      ,		)
       self.parent.assertEqual(result.logits.shape      ,		(self.batch_size, self.num_choices)       )



     def 				__magic_name__		(  self   :							Tuple       ):
       a_		    =  self.prepare_config_and_inputs()
       (
           (
           a_
       )    , (
           a_
       )    , (
           a_
       )    , (
           a_
       )    , (
           a_
       )    , (
           a_
       )    , (
           a_
       )    , (
           a_
       )    , 
       )		    =  config_and_inputs
       a_		    =  {'''input_ids''': input_ids, '''token_type_ids''': token_type_ids, '''attention_mask''': input_mask}
       return config, inputs_dict



@require_torch
class 							__lowercase   (			a__	,		a__	,		unittest.TestCase    ):
     _lowerCAmelCase		       =						(
         (
             ElectraModel,
             ElectraForPreTraining,
             ElectraForMaskedLM,
             ElectraForCausalLM,
             ElectraForMultipleChoice,
             ElectraForTokenClassification,
             ElectraForSequenceClassification,
             ElectraForQuestionAnswering,
         )
         if is_torch_available()
         else ()
     )
     _lowerCAmelCase		       =						(
         {
             "feature-extraction": ElectraModel,
             "fill-mask": ElectraForMaskedLM,
             "question-answering": ElectraForQuestionAnswering,
             "text-classification": ElectraForSequenceClassification,
             "text-generation": ElectraForCausalLM,
             "token-classification": ElectraForTokenClassification,
             "zero-shot": ElectraForSequenceClassification,
         }
         if is_torch_available()
         else {}
     )
     _lowerCAmelCase		       =						True



     def 				__magic_name__		(  self   :							Tuple      ,		lowercase__   :							Optional[int]      ,		lowercase__   :							List[Any]      ,		lowercase__   :							Dict=False       ):
       a_		    =  super()._prepare_for_class(lowercase__      ,		lowercase__      ,		return_labels=lowercase__       )

       if return_labels:
         if model_class in get_values(lowercase__       ):
           a_		    =  torch.zeros(
               (self.model_tester.batch_size, self.model_tester.seq_length)      ,		dtype=torch.long      ,		device=lowercase__       )
       return inputs_dict



     def 				__magic_name__		(  self   :							List[str]       ):
       a_		    =  ElectraModelTester(self       )
       a_		    =  ConfigTester(self      ,		config_class=lowercase__      ,		hidden_size=3_7       )



     def 				__magic_name__		(  self   :							str       ):
       self.config_tester.run_common_tests()



     def 				__magic_name__		(  self   :							Any       ):
       a_		    =  self.model_tester.prepare_config_and_inputs()
       self.model_tester.create_and_check_electra_model(*lowercase__       )



     def 				__magic_name__		(  self   :							Optional[Any]       ):
       a_		    =  self.model_tester.prepare_config_and_inputs_for_decoder()
       self.model_tester.create_and_check_electra_model_as_decoder(*lowercase__       )



     def 				__magic_name__		(  self   :							int       ):
       a_		    =  self.model_tester.prepare_config_and_inputs()
       for type in ["absolute", "relative_key", "relative_key_query"]:
         a_		    =  type
         self.model_tester.create_and_check_electra_model(*lowercase__       )



     def 				__magic_name__		(  self   :							List[str]       ):
       a_		    =  self.model_tester.prepare_config_and_inputs()
       self.model_tester.create_and_check_electra_for_masked_lm(*lowercase__       )



     def 				__magic_name__		(  self   :							Optional[int]       ):
       a_		    =  self.model_tester.prepare_config_and_inputs()
       self.model_tester.create_and_check_electra_for_token_classification(*lowercase__       )



     def 				__magic_name__		(  self   :							Optional[Any]       ):
       a_		    =  self.model_tester.prepare_config_and_inputs()
       self.model_tester.create_and_check_electra_for_pretraining(*lowercase__       )



     def 				__magic_name__		(  self   :							List[Any]       ):
       a_		    =  self.model_tester.prepare_config_and_inputs()
       self.model_tester.create_and_check_electra_for_sequence_classification(*lowercase__       )



     def 				__magic_name__		(  self   :							List[str]       ):
       a_		    =  self.model_tester.prepare_config_and_inputs()
       self.model_tester.create_and_check_electra_for_question_answering(*lowercase__       )



     def 				__magic_name__		(  self   :							str       ):
       a_		    =  self.model_tester.prepare_config_and_inputs()
       self.model_tester.create_and_check_electra_for_multiple_choice(*lowercase__       )



     @slow
     def 				__magic_name__		(  self   :							Union[str, Any]       ):
       for model_name in ELECTRA_PRETRAINED_MODEL_ARCHIVE_LIST[:1]:
         a_		    =  ElectraModel.from_pretrained(lowercase__       )
         self.assertIsNotNone(lowercase__       )



     def 				__magic_name__		(  self   :							Dict       ):
       a_		    =  self.model_tester.prepare_config_and_inputs_for_decoder()
       self.model_tester.create_and_check_electra_for_causal_lm(*lowercase__       )



@require_torch
class 							__lowercase   (			unittest.TestCase    ):



     @slow
     def 				__magic_name__		(  self   :							Tuple       ):
       a_		    =  ElectraModel.from_pretrained('''google/electra-small-discriminator'''       )
       a_		    =  torch.tensor([[0, 3_4_5, 2_3_2, 3_2_8, 7_4_0, 1_4_0, 1_6_9_5, 6_9, 6_0_7_8, 1_5_8_8, 2]]       )
       a_		    =  torch.tensor([[0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]]       )
       a_		    =  model(lowercase__      ,		attention_mask=lowercase__       )[0]
       a_		    =  torch.Size((1, 1_1, 2_5_6)       )
       self.assertEqual(output.shape      ,		lowercase__       )
       a_		    =  torch.tensor(
           [[[0.4471, 0.6821, -0.3265], [0.4627, 0.5255, -0.3668], [0.4532, 0.3313, -0.4344]]]       )

       self.assertTrue(torch.allclose(output[:, 1:4, 1:4]      ,		lowercase__      ,		atol=1e-4       )       )
