






"""simple docstring"""


import itertools
import random
import unittest

import numpy as np

from transformers import ASTFeatureExtractor
from transformers.testing_utils import require_torch, require_torchaudio
from transformers.utils.import_utils import is_torch_available

from ...test_sequence_feature_extraction_common import SequenceFeatureExtractionTestMixin


lowercase_				     =     random.Random()

if is_torch_available():
       import torch



def 					lowerCAmelCase				(    __UpperCamelCase		,       __UpperCamelCase=1.0		,       __UpperCamelCase=None		,       __UpperCamelCase=None ):




  """simple docstring"""







  if rng is None:
    __A									= global_rng

  __A									= []
  for batch_idx in range(shape[0] ):
    values.append([] )
    for _ in range(shape[1] ):
      values[-1].append(rng.random() * scale )

  return values


class 					snake_case		(							unittest.TestCase						):


   '''simple docstring'''

   def __init__(	self :     Any,       _lowerCamelCase :     List[str],       _lowerCamelCase :     Any=7,       _lowerCamelCase :     Optional[int]=4_00,       _lowerCamelCase :     Optional[int]=20_00,       _lowerCamelCase :     Dict=1,       _lowerCamelCase :     Optional[Any]=0.0,       _lowerCamelCase :     int=1_60_00,       _lowerCamelCase :     Optional[int]=True,       _lowerCamelCase :     Dict=True,       ):

     '''simple docstring'''
     __A									= parent
     __A									= batch_size
     __A									= min_seq_length
     __A									= max_seq_length
     __A									= (self.max_seq_length - self.min_seq_length) // (self.batch_size - 1)
     __A									= feature_size
     __A									= padding_value
     __A									= sampling_rate
     __A									= return_attention_mask
     __A									= do_normalize


   def 				_SCREAMING_SNAKE_CASE				(	self :     Union[str, Any]  ):

     '''simple docstring'''
     return {
         "feature_size": self.feature_size,
         "padding_value": self.padding_value,
         "sampling_rate": self.sampling_rate,
         "return_attention_mask": self.return_attention_mask,
         "do_normalize": self.do_normalize,
     }






   def 				_SCREAMING_SNAKE_CASE				(	self :     Any,       _lowerCamelCase :     Optional[Any]=False,       _lowerCamelCase :     int=False  ):

     '''simple docstring'''
     def _flatten(_lowerCamelCase :     List[str]  ):
       return list(itertools.chain(*_lowerCamelCase  )  )

     if equal_length:
       __A									= floats_list((self.batch_size, self.max_seq_length)  )
     else:
       # make sure that inputs increase in size
       __A									= [
           _flatten(floats_list((x, self.feature_size)  )  )
           for x in range(self.min_seq_length,       self.max_seq_length,       self.seq_length_diff  )
       ]

     if numpify:
       __A									= [np.asarray(_lowerCamelCase  ) for x in speech_inputs]

     return speech_inputs





@require_torch
@require_torchaudio
class 					snake_case		(							_lowerCAmelCase   ,	unittest.TestCase						):


   '''simple docstring'''

   A_						:	int						 = ASTFeatureExtractor


   def 				_SCREAMING_SNAKE_CASE				(	self :     Tuple  ):

     '''simple docstring'''
     __A									= ASTFeatureExtractionTester(self  )


   def 				_SCREAMING_SNAKE_CASE				(	self :     Dict  ):

     '''simple docstring'''
     # Tests that all call wrap to encode_plus and batch_encode_plus
     __A									= self.feature_extraction_class(**self.feat_extract_tester.prepare_feat_extract_dict()  )
     # create three inputs of length 800, 1000, and 1200
     __A									= [floats_list((1, x)  )[0] for x in range(8_00,       14_00,       2_00  )]
     __A									= [np.asarray(_lowerCamelCase  ) for speech_input in speech_inputs]

     # Test not batched input
     __A									= feat_extract(speech_inputs[0],       return_tensors='''np'''  ).input_values
     __A									= feat_extract(np_speech_inputs[0],       return_tensors='''np'''  ).input_values
     self.assertTrue(np.allclose(_lowerCamelCase,       _lowerCamelCase,       atol=1e-3  )  )

     # Test batched
     __A									= feat_extract(_lowerCamelCase,       padding=_lowerCamelCase,       return_tensors='''np'''  ).input_values
     __A									= feat_extract(_lowerCamelCase,       padding=_lowerCamelCase,       return_tensors='''np'''  ).input_values
     for enc_seq_a, enc_seq_a in zip(_lowerCamelCase,       _lowerCamelCase  ):
       self.assertTrue(np.allclose(_lowerCamelCase,       _lowerCamelCase,       atol=1e-3  )  )

     # Test 2-D numpy arrays are batched.
     __A									= [floats_list((1, x)  )[0] for x in (8_00, 8_00, 8_00)]
     __A									= np.asarray(_lowerCamelCase  )
     __A									= feat_extract(_lowerCamelCase,       return_tensors='''np'''  ).input_values
     __A									= feat_extract(_lowerCamelCase,       return_tensors='''np'''  ).input_values
     for enc_seq_a, enc_seq_a in zip(_lowerCamelCase,       _lowerCamelCase  ):
       self.assertTrue(np.allclose(_lowerCamelCase,       _lowerCamelCase,       atol=1e-3  )  )


   @require_torch
   def 				_SCREAMING_SNAKE_CASE				(	self :     Union[str, Any]  ):

     '''simple docstring'''
     import torch

     __A									= self.feature_extraction_class(**self.feat_extract_tester.prepare_feat_extract_dict()  )
     __A									= np.random.rand(1_00  ).astype(np.floataa  )
     __A									= np_speech_inputs.tolist()

     for inputs in [py_speech_inputs, np_speech_inputs]:
       __A									= feature_extractor.pad([{'''input_values''': inputs}],       return_tensors='''np'''  )
       self.assertTrue(np_processed.input_values.dtype == np.floataa  )
       __A									= feature_extractor.pad([{'''input_values''': inputs}],       return_tensors='''pt'''  )
       self.assertTrue(pt_processed.input_values.dtype == torch.floataa  )


   def 				_SCREAMING_SNAKE_CASE				(	self :     Optional[int],       _lowerCamelCase :     Union[str, Any]  ):

     '''simple docstring'''
     from datasets import load_dataset

     __A									= load_dataset('''hf-internal-testing/librispeech_asr_dummy''',       '''clean''',       split='''validation'''  )
     # automatic decoding with librispeech
     __A									= ds.sort('''id'''  ).select(range(_lowerCamelCase  )  )[:num_samples]['''audio''']

     return [x["array"] for x in speech_samples]






   @require_torch
   def 				_SCREAMING_SNAKE_CASE				(	self :     Optional[Any]  ):

     '''simple docstring'''
     # fmt: off
     __A									= torch.tensor(
         [-0.98_94, -1.27_76, -0.90_66, -1.27_76, -0.93_49, -1.26_09, -1.03_86, -1.27_76,
          -1.15_61, -1.27_76, -1.20_52, -1.27_23, -1.21_90, -1.21_32, -1.27_76, -1.11_33,
          -1.19_53, -1.13_43, -1.15_84, -1.22_03, -1.17_70, -1.24_74, -1.23_81, -1.19_36,
          -0.92_70, -0.83_17, -0.80_49, -0.77_06, -0.75_65, -0.78_69]  )
     # fmt: on

     __A									= self._load_datasamples(1  )
     __A									= ASTFeatureExtractor()
     __A									= feature_extractor(_lowerCamelCase,       return_tensors='''pt'''  ).input_values
     self.assertEquals(input_values.shape,       (1, 10_24, 1_28)  )
     self.assertTrue(torch.allclose(input_values[0, 0, :30],       _lowerCamelCase,       atol=1e-4  )  )












"""simple docstring"""


import numpy as np
import torch
from torch.utils.data import DataLoader

from accelerate.utils.dataclasses import DistributedType


class 					snake_case		:


   '''simple docstring'''

   def __init__(	self :     Optional[int],       _lowerCamelCase :     Optional[int]=2,       _lowerCamelCase :     Optional[int]=3,       _lowerCamelCase :     int=64,       _lowerCamelCase :     List[str]=None  ):

     '''simple docstring'''
     __A									= np.random.default_rng(_lowerCamelCase  )
     __A									= length
     __A									= rng.normal(size=(length,)  ).astype(np.floataa  )
     __A									= a * self.x + b + rng.normal(scale=0.1,       size=(length,)  ).astype(np.floataa  )


   def __len__(	self :     str  ):

     '''simple docstring'''
     return self.length






   def __getitem__(	self :     Dict,       _lowerCamelCase :     Optional[int]  ):

     '''simple docstring'''
     return {"x": self.x[i], "y": self.y[i]}





class 					snake_case		(							torch.nn.Module						):


   '''simple docstring'''

   def __init__(	self :     Optional[Any],       _lowerCamelCase :     Tuple=0,       _lowerCamelCase :     Any=0,       _lowerCamelCase :     Optional[Any]=False  ):

     '''simple docstring'''
     super().__init__()
     __A									= torch.nn.Parameter(torch.tensor([2, 3]  ).float()  )
     __A									= torch.nn.Parameter(torch.tensor([2, 3]  ).float()  )
     __A									= True






   def 				_SCREAMING_SNAKE_CASE				(	self :     List[str],       _lowerCamelCase :     Optional[Any]=None  ):

     '''simple docstring'''
     if self.first_batch:
       print(f'Model dtype: {self.a.dtype}, {self.b.dtype}. Input dtype: {x.dtype}'  )
       __A									= False
     return x * self.a[0] + self.b[0]





class 					snake_case		(							torch.nn.Module						):


   '''simple docstring'''

   def __init__(	self :     str,       _lowerCamelCase :     Optional[Any]=0,       _lowerCamelCase :     Any=0,       _lowerCamelCase :     List[Any]=False  ):

     '''simple docstring'''
     super().__init__()
     __A									= torch.nn.Parameter(torch.tensor(_lowerCamelCase  ).float()  )
     __A									= torch.nn.Parameter(torch.tensor(_lowerCamelCase  ).float()  )
     __A									= True






   def 				_SCREAMING_SNAKE_CASE				(	self :     Optional[Any],       _lowerCamelCase :     List[str]=None  ):

     '''simple docstring'''
     if self.first_batch:
       print(f'Model dtype: {self.a.dtype}, {self.b.dtype}. Input dtype: {x.dtype}'  )
       __A									= False
     return x * self.a + self.b





def 					lowerCAmelCase				(    __UpperCamelCase		,       __UpperCamelCase = 1_6 ):




  """simple docstring"""







  from datasets import load_dataset
  from transformers import AutoTokenizer

  __A									= AutoTokenizer.from_pretrained('''bert-base-cased''' )
  __A									= {'''train''': '''tests/test_samples/MRPC/train.csv''', '''validation''': '''tests/test_samples/MRPC/dev.csv'''}
  __A									= load_dataset('''csv'''		,       data_files=__UpperCamelCase )
  __A									= datasets['''train'''].unique('''label''' )

  __A									= {v: i for i, v in enumerate(__UpperCamelCase )}

  def tokenize_function(__UpperCamelCase ):
    # max_length=None => use the model max length (it's actually the default)
    __A									= tokenizer(
        examples['''sentence1''']		,       examples['''sentence2''']		,       truncation=__UpperCamelCase		,       max_length=__UpperCamelCase		,       padding='''max_length''' )
    if "label" in examples:
      __A									= [label_to_id[l] for l in examples['''label''']]
    return outputs

  # Apply the method we just defined to all the examples in all the splits of the dataset
  __A									= datasets.map(
      __UpperCamelCase		,       batched=__UpperCamelCase		,       remove_columns=['''sentence1''', '''sentence2''', '''label''']		,       )

  def collate_fn(__UpperCamelCase ):
    # On TPU it's best to pad everything to the same length or training will be very slow.
    if accelerator.distributed_type == DistributedType.TPU:
      return tokenizer.pad(__UpperCamelCase		,       padding='''max_length'''		,       max_length=1_2_8		,       return_tensors='''pt''' )
    return tokenizer.pad(__UpperCamelCase		,       padding='''longest'''		,       return_tensors='''pt''' )

  # Instantiate dataloaders.
  __A									= DataLoader(tokenized_datasets['''train''']		,       shuffle=__UpperCamelCase		,       collate_fn=__UpperCamelCase		,       batch_size=2 )
  __A									= DataLoader(tokenized_datasets['''validation''']		,       shuffle=__UpperCamelCase		,       collate_fn=__UpperCamelCase		,       batch_size=1 )

  return train_dataloader, eval_dataloader




