






'''simple docstring'''





def    lowerCamelCase_     (    lowercase__):
 if number < 0:
  raise ValueError("number must not be negative")
 return number & (number - 1) == 0


if __name__ == "__main__":
 import doctest

 doctest.testmod()









'''simple docstring'''





import logging
import sys
from dataclasses import dataclass, field
from typing import Any, Dict, List, Optional, Union

import librosa
import torch
from datasets import DatasetDict, load_dataset
from packaging import version
from torch import nn

from transformers import (
    HfArgumentParser,
    Trainer,
    TrainingArguments,
    WavaVecaConfig,
    WavaVecaFeatureExtractor,
    WavaVecaForPreTraining,
    is_apex_available,
    trainer_utils,
)
from transformers.models.wavaveca.modeling_wavaveca import _compute_mask_indices


if is_apex_available():
 from apex import amp

if version.parse(version.parse(torch.__version__).base_version) >= version.parse("""1.6"""):
 __A							:							List[Any]  							=		True
 from torch.cuda.amp import autocast


__A							:							List[Any]  							=		logging.getLogger(__name__)
@dataclass
class 				lowercase       :


    '''simple docstring'''

    lowerCAmelCase__      				=							field(
        metadata={"help": "Path to pretrained model or model identifier from huggingface.co/models"}      )
    lowerCAmelCase__      				=							field(
        default=_lowerCamelCase ,       metadata={"help": "Where do you want to store the pretrained models downloaded from huggingface.co"} ,       )
    lowerCAmelCase__      				=							field(
        default=_lowerCamelCase ,       metadata={"help": "Whether to freeze the feature extractor layers of the model."}      )
    lowerCAmelCase__      				=							field(
        default=_lowerCamelCase ,       metadata={"help": "Whether to log verbose messages or not."} ,       )
    lowerCAmelCase__      				=							field(
        default=2.0 ,       metadata={"help": "Maximum temperature for gumbel softmax."}      )
    lowerCAmelCase__      				=							field(
        default=0.5 ,       metadata={"help": "Minimum temperature for gumbel softmax."}      )
    lowerCAmelCase__      				=							field(
        default=0.999995 ,       metadata={"help": "Decay of gumbel temperature during training."}      )






def    lowerCamelCase_     (    lowercase__				,     lowercase__):
 logging.basicConfig(
     format="%(asctime)s - %(levelname)s - %(name)s - %(message)s"				,     datefmt="%m/%d/%Y %H:%M:%S"				,     handlers=[logging.StreamHandler(sys.stdout)]				,     )
 lowerCamelCase__  =     logging.WARNING
 if model_args.verbose_logging:
  lowerCamelCase__  =     logging.DEBUG
 elif trainer_utils.is_main_process(training_args.local_rank):
  lowerCamelCase__  =     logging.INFO
 logger.setLevel(lowercase__)
@dataclass
class 				lowercase       :


    '''simple docstring'''

    lowerCAmelCase__      				=							field(
        default=_lowerCamelCase ,       metadata={"help": "The name of the dataset to use (via the datasets library)."}      )
    lowerCAmelCase__      				=							field(
        default=_lowerCamelCase ,       metadata={"help": "The configuration name of the dataset to use (via the datasets library)."}      )
    lowerCAmelCase__      				=							field(
        default="train" ,       metadata={
            "help": "The name of the training data set split to use (via the datasets library). Defaults to 'train'"
        } ,       )
    lowerCAmelCase__      				=							field(
        default="validation" ,       metadata={
            "help": (
                "The name of the validation data set split to use (via the datasets library). Defaults to 'validation'"
            )
        } ,       )
    lowerCAmelCase__      				=							field(
        default="file" ,       metadata={"help": "Column in the dataset that contains speech file path. Defaults to 'file'"} ,       )
    lowerCAmelCase__      				=							field(
        default=_lowerCamelCase ,       metadata={"help": "Overwrite the cached preprocessed datasets or not."}      )
    lowerCAmelCase__      				=							field(
        default=1 ,       metadata={
            "help": "The percentage of the train set used as validation set in case there's no validation split"
        } ,       )
    lowerCAmelCase__      				=							field(
        default=_lowerCamelCase ,       metadata={"help": "The number of processes to use for the preprocessing."} ,       )
    lowerCAmelCase__      				=							field(
        default=20.0 ,       metadata={"help": "Filter audio files that are longer than `max_duration_in_seconds` seconds"}      )
@dataclass
class 				lowercase       :


    '''simple docstring'''

    lowerCAmelCase__      				=							42
    lowerCAmelCase__      				=							42
    lowerCAmelCase__      				=							"longest"
    lowerCAmelCase__      				=							None
    lowerCAmelCase__      				=							None

    def __call__(					self     :     Optional[int]				,     __lowerCamelCase     :     List[Dict[str, Union[List[int], torch.Tensor]]]     )							->							Dict[str, torch.Tensor]:

     '''simple docstring'''




     lowerCamelCase__  =     self.feature_extractor.pad(
         __lowerCamelCase				,     max_length=self.max_length				,     padding=self.padding				,     pad_to_multiple_of=self.pad_to_multiple_of				,     return_tensors="pt"				,     )
     lowerCamelCase__  =     self.model._get_feat_extract_output_lengths(batch["input_values"].shape[-1]     )

     lowerCamelCase__  =     batch["input_values"].shape[0]

     # make sure that no loss is computed on padded inputs
     if batch["attention_mask"] is not None:
      # compute real output lengths according to convolution formula
      lowerCamelCase__  =     self.model._get_feat_extract_output_lengths(batch["attention_mask"].sum(-1     )     ).to(
          torch.long     )

      lowerCamelCase__  =     torch.zeros(
          (batch_size, mask_indices_seq_length)				,     dtype=torch.long				,     device=batch["input_values"].device     )

      # these two operations makes sure that all values
      # before the output lengths indices are attended to
      lowerCamelCase__  =     1
      lowerCamelCase__  =     attention_mask.flip([-1]     ).cumsum(-1     ).flip([-1]     ).bool()

     # sample randomly masked indices
     lowerCamelCase__  =     _compute_mask_indices(
         (batch_size, mask_indices_seq_length)				,     self.model.config.mask_time_prob				,     self.model.config.mask_time_length				,     attention_mask=__lowerCamelCase				,     min_masks=2				,     )

     return batch
class 				lowercase       (							_lowerCamelCase      ):


    '''simple docstring'''

    def __init__(					self     :     str				,     *__lowerCamelCase     :     Union[str, Any]				,     __lowerCamelCase     :     int=1				,     __lowerCamelCase     :     Optional[Any]=0				,     __lowerCamelCase     :     str=1.0				,     **__lowerCamelCase     :     Optional[Any]     )							->							str:

     '''simple docstring'''




     super().__init__(*__lowerCamelCase				,     **__lowerCamelCase     )
     lowerCamelCase__  =     0
     lowerCamelCase__  =     max_gumbel_temp
     lowerCamelCase__  =     min_gumbel_temp
     lowerCamelCase__  =     gumbel_temp_decay




    def    a__				(					self     :     Tuple				,     __lowerCamelCase     :     nn.Module				,     __lowerCamelCase     :     Dict[str, Union[torch.Tensor, Any]]     )							->							torch.Tensor:

     '''simple docstring'''




     model.train()
     lowerCamelCase__  =     self._prepare_inputs(__lowerCamelCase     )

     if self.use_amp:
      with autocast():
       lowerCamelCase__  =     self.compute_loss(__lowerCamelCase				,     __lowerCamelCase     )
     else:
      lowerCamelCase__  =     self.compute_loss(__lowerCamelCase				,     __lowerCamelCase     )

     if self.args.n_gpu > 1 or self.deepspeed:
      if model.module.config.ctc_loss_reduction == "mean":
       lowerCamelCase__  =     loss.mean()
      elif model.module.config.ctc_loss_reduction == "sum":
       lowerCamelCase__  =     loss.sum() / (inputs["mask_time_indices"]).sum()
      else:
       raise ValueError(f'''{model.config.ctc_loss_reduction} is not valid. Choose one of [\'mean\', \'sum\']'''     )

     if self.args.gradient_accumulation_steps > 1:
      lowerCamelCase__  =     loss / self.args.gradient_accumulation_steps

     if self.use_amp:
      self.scaler.scale(__lowerCamelCase     ).backward()
     elif self.use_apex:
      with amp.scale_loss(__lowerCamelCase				,     self.optimizer     ) as scaled_loss:
       scaled_loss.backward()
     elif self.deepspeed:
      self.deepspeed.backward(__lowerCamelCase     )
     else:
      loss.backward()

     self.num_update_step += 1
     # make sure gumbel softmax temperature is decayed
     if self.args.n_gpu > 1 or self.deepspeed:
      model.module.set_gumbel_temperature(
          max(self.max_gumbel_temp * self.gumbel_temp_decay**self.num_update_step				,     self.min_gumbel_temp     )     )
     else:
      model.set_gumbel_temperature(
          max(self.max_gumbel_temp * self.gumbel_temp_decay**self.num_update_step				,     self.min_gumbel_temp     )     )

     return loss.detach()






def    lowerCamelCase_     (    ):
 # 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.

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

 lowerCamelCase__  ,	lowerCamelCase__  ,	lowerCamelCase__  =     parser.parse_args_into_dataclasses()
 configure_logger(lowercase__				,     lowercase__)

 # Downloading and loading a dataset from the hub.
 lowerCamelCase__  =     load_dataset(data_args.dataset_name				,     data_args.dataset_config_name				,     cache_dir=model_args.cache_dir)

 if "validation" not in datasets.keys():
  # make sure only "validation" and "train" keys remain"
  lowerCamelCase__  =     DatasetDict()
  lowerCamelCase__  =     load_dataset(
      data_args.dataset_name				,     data_args.dataset_config_name				,     split=F'''{data_args.train_split_name}[:{data_args.validation_split_percentage}%]'''				,     cache_dir=model_args.cache_dir				,     )
  lowerCamelCase__  =     load_dataset(
      data_args.dataset_name				,     data_args.dataset_config_name				,     split=F'''{data_args.train_split_name}[{data_args.validation_split_percentage}%:]'''				,     cache_dir=model_args.cache_dir				,     )
 else:
  # make sure only "validation" and "train" keys remain"
  lowerCamelCase__  =     DatasetDict()
  lowerCamelCase__  =     load_dataset(
      data_args.dataset_name				,     data_args.dataset_config_name				,     split="validation"				,     cache_dir=model_args.cache_dir				,     )
  lowerCamelCase__  =     load_dataset(
      data_args.dataset_name				,     data_args.dataset_config_name				,     split=F'''{data_args.train_split_name}'''				,     cache_dir=model_args.cache_dir				,     )

 # only normalized-inputs-training is supported
 lowerCamelCase__  =     WavaVecaFeatureExtractor.from_pretrained(
     model_args.model_name_or_path				,     cache_dir=model_args.cache_dir				,     do_normalize=lowercase__)

 def prepare_dataset(lowercase__):
  # check that all files have the correct sampling rate
  lowerCamelCase__  ,	lowerCamelCase__  =     librosa.load(batch[data_args.speech_file_column]				,     sr=feature_extractor.sampling_rate)
  return batch

 # load audio files into numpy arrays
 lowerCamelCase__  =     datasets.map(
     lowercase__				,     num_proc=data_args.preprocessing_num_workers				,     remove_columns=datasets["train"].column_names)

 # filter audio files that are too long
 lowerCamelCase__  =     vectorized_datasets.filter(
     lambda lowercase__: len(data["speech"]) < int(data_args.max_duration_in_seconds * feature_extractor.sampling_rate))

 def normalize(lowercase__):
  return feature_extractor(batch["speech"]				,     sampling_rate=feature_extractor.sampling_rate)

 # normalize and transform to `BatchFeatures`
 lowerCamelCase__  =     vectorized_datasets.map(
     lowercase__				,     batched=lowercase__				,     num_proc=data_args.preprocessing_num_workers				,     load_from_cache_file=not data_args.overwrite_cache				,     remove_columns=vectorized_datasets["train"].column_names				,     )

 # pretraining is only supported for "newer" stable layer norm architecture
 # apply_spec_augment has to be True, mask_feature_prob has to be 0.0
 lowerCamelCase__  =     WavaVecaConfig.from_pretrained(
     model_args.model_name_or_path				,     cache_dir=model_args.cache_dir				,     gradient_checkpointing=training_args.gradient_checkpointing				,     )

 if not config.do_stable_layer_norm or config.feat_extract_norm != "layer":
  raise ValueError(
      "PreTraining is only supported for ``config.do_stable_layer_norm=True`` and"
      " ``config.feat_extract_norm='layer'")

 lowerCamelCase__  =     WavaVecaForPreTraining(lowercase__)

 lowerCamelCase__  =     DataCollatorForWavaVecaPretraining(model=lowercase__				,     feature_extractor=lowercase__)

 lowerCamelCase__  =     WavaVecaPreTrainer(
     model=lowercase__				,     data_collator=lowercase__				,     args=lowercase__				,     train_dataset=vectorized_datasets["train"]				,     eval_dataset=vectorized_datasets["validation"]				,     tokenizer=lowercase__				,     max_gumbel_temp=model_args.max_gumbel_temperature				,     min_gumbel_temp=model_args.min_gumbel_temperature				,     gumbel_temp_decay=model_args.gumbel_temperature_decay				,     )
 trainer.train()


if __name__ == "__main__":
 main()

