"""simple docstring"""
import bisect
import copy
from collections import defaultdict

import numpy as np
from torch.utils.data import BatchSampler, Sampler

from utils import logger







def 		__a  (      _SCREAMING_SNAKE_CASE						,	_SCREAMING_SNAKE_CASE  )      ->List[Any]:
  a__:	Optional[Any]     				=      copy.deepcopy(_SCREAMING_SNAKE_CASE  )
  a__:	List[str]     				=      sorted(_SCREAMING_SNAKE_CASE  )
  a__:	List[Any]     				=      [bisect.bisect_right(_SCREAMING_SNAKE_CASE						,	_SCREAMING_SNAKE_CASE  ) for y in x]
  return quantized







def 		__a  (      _SCREAMING_SNAKE_CASE						,	_SCREAMING_SNAKE_CASE=0  )      ->Tuple:
  a__:	Optional[Any]     				=      np.arange(start=3						,	stop=_SCREAMING_SNAKE_CASE						,	step=4  ).tolist() if k > 0 else [10]
  a__:	Optional[Any]     				=      _quantize(_SCREAMING_SNAKE_CASE						,	_SCREAMING_SNAKE_CASE  )
  # count number of elements per group
  a__:	Any     				=      np.unique(_SCREAMING_SNAKE_CASE						,	return_counts=_SCREAMING_SNAKE_CASE  )[1]
  a__:	Dict     				=      [0] + bins + [np.inf]
  logger.info('Using {} as bins for aspect lengths quantization'.format(_SCREAMING_SNAKE_CASE  )  )
  logger.info('Count of instances per bin: {}'.format(_SCREAMING_SNAKE_CASE  )  )
  return groups




class   __snake_case			(	__lowerCAmelCase							):



      def __init__(		self       ,     lowercase       ,     lowercase       ,     lowercase)      ->     Tuple:





        '''simple docstring'''





        if not isinstance(lowercase       ,     lowercase):
          raise ValueError(
              'sampler should be an instance of torch.utils.data.Sampler, but got sampler={}'.format(lowercase))
        a__:	List[str]     				=      sampler
        a__:	List[str]     				=      group_ids
        a__:	Tuple     				=      batch_size



      def __iter__(		self)      ->     Optional[int]:





        '''simple docstring'''





        a__:	Union[str, Any]     				=      defaultdict(lowercase)
        a__:	Dict     				=      defaultdict(lowercase)

        a__:	Optional[int]     				=      0
        for idx in self.sampler:
          a__:	Optional[int]     				=      self.group_ids[idx]
          buffer_per_group[group_id].append(lowercase)
          samples_per_group[group_id].append(lowercase)
          if len(buffer_per_group[group_id]) == self.batch_size:
            yield buffer_per_group[group_id]  # TODO
            num_batches += 1
            del buffer_per_group[group_id]
          assert len(buffer_per_group[group_id]) < self.batch_size

        # now we have run out of elements that satisfy
        # the group criteria, let's return the remaining
        # elements so that the size of the sampler is
        # deterministic
        a__:	List[str]     				=      len(self)
        a__:	List[str]     				=      expected_num_batches - num_batches
        if num_remaining > 0:
          # for the remaining batches, group the batches by similar lengths
          a__:	Dict     				=      []
          for group_id, idxs in sorted(buffer_per_group.items()       ,     key=lambda lowercase: x[0]):
            batch_idx.extend(lowercase)
            if len(lowercase) >= self.batch_size:
              yield batch_idx[: self.batch_size]
              a__:	List[Any]     				=      batch_idx[self.batch_size :]
              num_remaining -= 1
          if len(lowercase) > 0:
            yield batch_idx
            num_remaining -= 1
        assert num_remaining == 0



      def __len__(		self)      ->     int:





        '''simple docstring'''





        return (len(self.sampler) + self.batch_size - 1) // self.batch_size



from copy import deepcopy
from unittest.case import TestCase

import pytest

from datasets.arrow_dataset import Dataset
from datasets.features import Audio, ClassLabel, Features, Image, Sequence, Value
from datasets.info import DatasetInfo
from datasets.tasks import (
    AudioClassification,
    AutomaticSpeechRecognition,
    ImageClassification,
    LanguageModeling,
    QuestionAnsweringExtractive,
    Summarization,
    TextClassification,
    task_template_from_dict,
)
from datasets.utils.py_utils import asdict


__lowerCAmelCase    :  int										= {
    'id': '5733be284776f41900661182',
    'title': 'University_of_Notre_Dame',
    'context': 'Architecturally, the school has a Catholic character. Atop the Main Building\'s gold dome is a golden statue of the Virgin Mary. Immediately in front of the Main Building and facing it, is a copper statue of Christ with arms upraised with the legend "Venite Ad Me Omnes". Next to the Main Building is the Basilica of the Sacred Heart. Immediately behind the basilica is the Grotto, a Marian place of prayer and reflection. It is a replica of the grotto at Lourdes, France where the Virgin Mary reputedly appeared to Saint Bernadette Soubirous in 1858. At the end of the main drive (and in a direct line that connects through 3 statues and the Gold Dome), is a simple, modern stone statue of Mary.',
    'question': 'To whom did the Virgin Mary allegedly appear in 1858 in Lourdes France?',
    'answers': {'text': ['Saint Bernadette Soubirous'], 'answer_start': [515]},
}

@pytest.mark.parametrize(
    """task_cls"""			,	[
        AudioClassification,
        AutomaticSpeechRecognition,
        ImageClassification,
        LanguageModeling,
        QuestionAnsweringExtractive,
        Summarization,
        TextClassification,
    ]			,	)
def   a_					(_lowerCAmelCase  :   List[Any]       )->				Tuple:
    snake_case:						Dict         =   task_cls()
    snake_case:						Any         =   asdict(_lowerCAmelCase       )
    snake_case:						Any         =   task_template_from_dict(_lowerCAmelCase       )
    assert task == reloaded
class 				lowerCamelCase			:






      def 			lowerCAmelCase_   (      self						)     ->				List[Any]:


          '''simple docstring'''







          snake_case:						str         =   LanguageModeling(text_column="""input_text"""						)
          assert {"input_text": "text"} == task.column_mapping






      def 			lowerCAmelCase_   (      self						)     ->				Tuple:


          '''simple docstring'''







          snake_case:						List[Any]         =   Features({"""text""": Value("""string"""						)}						)
          snake_case:						Optional[int]         =   {"""text_column""": """input_text"""}
          snake_case:						List[Any]         =   LanguageModeling.from_dict(__lowerCamelCase						)
          assert "language-modeling" == task.task
          assert input_schema == task.input_schema





class 				lowerCamelCase			(							__snake_case					):






      def 			lowerCAmelCase_   (      self						)     ->				Optional[Any]:


          '''simple docstring'''







          snake_case:						Optional[int]         =   sorted(["""pos""", """neg"""]						)






      def 			lowerCAmelCase_   (      self						)     ->				List[str]:


          '''simple docstring'''







          snake_case:						str         =   TextClassification(text_column="""input_text"""  ,		label_column="""input_label"""						)
          self.assertDictEqual({"""input_text""": """text""", """input_label""": """labels"""}  ,		task.column_mapping						)






      def 			lowerCAmelCase_   (      self						)     ->				Any:


          '''simple docstring'''







          snake_case:						Any         =   Features({"""text""": Value("""string"""						)}						)
          # Labels are cast to tuple during `TextClassification.__post_init__`, so we do the same here
          snake_case:						List[str]         =   Features({"""labels""": ClassLabel}						)
          snake_case:						Any         =   {"""text_column""": """input_text""", """label_column""": """input_labels"""}
          snake_case:						List[str]         =   TextClassification.from_dict(__lowerCamelCase						)
          self.assertEqual("""text-classification"""  ,		task.task						)
          self.assertEqual(__lowerCamelCase  ,		task.input_schema						)
          self.assertEqual(__lowerCamelCase  ,		task.label_schema						)






      def 			lowerCAmelCase_   (      self						)     ->				Optional[Any]:


          '''simple docstring'''







          snake_case:						str         =   TextClassification(text_column="""input_text"""  ,		label_column="""input_label"""						)
          self.assertEqual(task.label_schema["""labels"""]  ,		__lowerCamelCase						)
          snake_case:						Any         =   task.align_with_features(Features({"""input_label""": ClassLabel(names=self.labels						)}						)						)
          self.assertEqual(task.label_schema["""labels"""]  ,		ClassLabel(names=self.labels						)						)





class 				lowerCamelCase			(							__snake_case					):






      def 			lowerCAmelCase_   (      self						)     ->				Optional[Any]:


          '''simple docstring'''







          snake_case:						List[Any]         =   QuestionAnsweringExtractive(
              context_column="""input_context"""  ,		question_column="""input_question"""  ,		answers_column="""input_answers"""						)
          self.assertDictEqual(
              {"""input_context""": """context""", """input_question""": """question""", """input_answers""": """answers"""}  ,		task.column_mapping						)






      def 			lowerCAmelCase_   (      self						)     ->				Any:


          '''simple docstring'''







          snake_case:						Any         =   Features({"""question""": Value("""string"""						), """context""": Value("""string"""						)}						)
          snake_case:						Tuple         =   Features(
              {
                  """answers""": Sequence(
                      {
                          """text""": Value("""string"""						),
                          """answer_start""": Value("""int32"""						),
                      }						)
              }						)
          snake_case:						Tuple         =   {
              """context_column""": """input_input_context""",
              """question_column""": """input_question""",
              """answers_column""": """input_answers""",
          }
          snake_case:						Optional[Any]         =   QuestionAnsweringExtractive.from_dict(__lowerCamelCase						)
          self.assertEqual("""question-answering-extractive"""  ,		task.task						)
          self.assertEqual(__lowerCamelCase  ,		task.input_schema						)
          self.assertEqual(__lowerCamelCase  ,		task.label_schema						)





class 				lowerCamelCase			(							__snake_case					):






      def 			lowerCAmelCase_   (      self						)     ->				Tuple:


          '''simple docstring'''







          snake_case:						Any         =   Summarization(text_column="""input_text"""  ,		summary_column="""input_summary"""						)
          self.assertDictEqual({"""input_text""": """text""", """input_summary""": """summary"""}  ,		task.column_mapping						)






      def 			lowerCAmelCase_   (      self						)     ->				Union[str, Any]:


          '''simple docstring'''







          snake_case:						List[Any]         =   Features({"""text""": Value("""string"""						)}						)
          snake_case:						Dict         =   Features({"""summary""": Value("""string"""						)}						)
          snake_case:						Tuple         =   {"""text_column""": """input_text""", """summary_column""": """input_summary"""}
          snake_case:						List[str]         =   Summarization.from_dict(__lowerCamelCase						)
          self.assertEqual("""summarization"""  ,		task.task						)
          self.assertEqual(__lowerCamelCase  ,		task.input_schema						)
          self.assertEqual(__lowerCamelCase  ,		task.label_schema						)





class 				lowerCamelCase			(							__snake_case					):






      def 			lowerCAmelCase_   (      self						)     ->				Dict:


          '''simple docstring'''







          snake_case:						str         =   AutomaticSpeechRecognition(audio_column="""input_audio"""  ,		transcription_column="""input_transcription"""						)
          self.assertDictEqual({"""input_audio""": """audio""", """input_transcription""": """transcription"""}  ,		task.column_mapping						)






      def 			lowerCAmelCase_   (      self						)     ->				Union[str, Any]:


          '''simple docstring'''







          snake_case:						Union[str, Any]         =   Features({"""audio""": Audio()}						)
          snake_case:						Union[str, Any]         =   Features({"""transcription""": Value("""string"""						)}						)
          snake_case:						Any         =   {
              """audio_column""": """input_audio""",
              """transcription_column""": """input_transcription""",
          }
          snake_case:						str         =   AutomaticSpeechRecognition.from_dict(__lowerCamelCase						)
          self.assertEqual("""automatic-speech-recognition"""  ,		task.task						)
          self.assertEqual(__lowerCamelCase  ,		task.input_schema						)
          self.assertEqual(__lowerCamelCase  ,		task.label_schema						)





class 				lowerCamelCase			(							__snake_case					):






      def 			lowerCAmelCase_   (      self						)     ->				int:


          '''simple docstring'''







          snake_case:						Union[str, Any]         =   sorted(["""pos""", """neg"""]						)






      def 			lowerCAmelCase_   (      self						)     ->				Dict:


          '''simple docstring'''







          snake_case:						Dict         =   AudioClassification(audio_column="""input_audio"""  ,		label_column="""input_label"""						)
          self.assertDictEqual({"""input_audio""": """audio""", """input_label""": """labels"""}  ,		task.column_mapping						)






      def 			lowerCAmelCase_   (      self						)     ->				Optional[int]:


          '''simple docstring'''







          snake_case:						Optional[Any]         =   Features({"""audio""": Audio()}						)
          snake_case:						int         =   Features({"""labels""": ClassLabel}						)
          snake_case:						int         =   {
              """audio_column""": """input_image""",
              """label_column""": """input_label""",
          }
          snake_case:						Optional[Any]         =   AudioClassification.from_dict(__lowerCamelCase						)
          self.assertEqual("""audio-classification"""  ,		task.task						)
          self.assertEqual(__lowerCamelCase  ,		task.input_schema						)
          self.assertEqual(__lowerCamelCase  ,		task.label_schema						)






      def 			lowerCAmelCase_   (      self						)     ->				str:


          '''simple docstring'''







          snake_case:						List[str]         =   AudioClassification(audio_column="""input_audio"""  ,		label_column="""input_label"""						)
          self.assertEqual(task.label_schema["""labels"""]  ,		__lowerCamelCase						)
          snake_case:						int         =   task.align_with_features(Features({"""input_label""": ClassLabel(names=self.labels						)}						)						)
          self.assertEqual(task.label_schema["""labels"""]  ,		ClassLabel(names=self.labels						)						)





class 				lowerCamelCase			(							__snake_case					):






      def 			lowerCAmelCase_   (      self						)     ->				List[Any]:


          '''simple docstring'''







          snake_case:						Dict         =   sorted(["""pos""", """neg"""]						)






      def 			lowerCAmelCase_   (      self						)     ->				List[Any]:


          '''simple docstring'''







          snake_case:						Optional[Any]         =   ImageClassification(image_column="""input_image"""  ,		label_column="""input_label"""						)
          self.assertDictEqual({"""input_image""": """image""", """input_label""": """labels"""}  ,		task.column_mapping						)






      def 			lowerCAmelCase_   (      self						)     ->				int:


          '''simple docstring'''







          snake_case:						Dict         =   Features({"""image""": Image()}						)
          snake_case:						str         =   Features({"""labels""": ClassLabel}						)
          snake_case:						List[str]         =   {
              """image_column""": """input_image""",
              """label_column""": """input_label""",
          }
          snake_case:						Any         =   ImageClassification.from_dict(__lowerCamelCase						)
          self.assertEqual("""image-classification"""  ,		task.task						)
          self.assertEqual(__lowerCamelCase  ,		task.input_schema						)
          self.assertEqual(__lowerCamelCase  ,		task.label_schema						)






      def 			lowerCAmelCase_   (      self						)     ->				Union[str, Any]:


          '''simple docstring'''







          snake_case:						Union[str, Any]         =   ImageClassification(image_column="""input_image"""  ,		label_column="""input_label"""						)
          self.assertEqual(task.label_schema["""labels"""]  ,		__lowerCamelCase						)
          snake_case:						str         =   task.align_with_features(Features({"""input_label""": ClassLabel(names=self.labels						)}						)						)
          self.assertEqual(task.label_schema["""labels"""]  ,		ClassLabel(names=self.labels						)						)





class 				lowerCamelCase			(							__snake_case					):






      def 			lowerCAmelCase_   (      self						)     ->				str:


          '''simple docstring'''







          snake_case:						List[str]         =   DatasetInfo(task_templates=QuestionAnsweringExtractive()						)
          snake_case:						int         =   Dataset.from_dict({k: [v] for k, v in SAMPLE_QUESTION_ANSWERING_EXTRACTIVE.items()}  ,		info=__lowerCamelCase						)
          assert isinstance(dataset.info.task_templates  ,		__lowerCamelCase						)
          assert len(dataset.info.task_templates						) == 1

          def keep_task(__lowerCamelCase						):
              return x

          def dont_keep_task(__lowerCamelCase						):
              snake_case:						Union[str, Any]         =   deepcopy(__lowerCamelCase						)
              snake_case:						int         =   0
              return out

          snake_case:						int         =   dataset.map(__lowerCamelCase						)
          assert mapped_dataset.info.task_templates == dataset.info.task_templates
          # reload from cache
          snake_case:						Optional[Any]         =   dataset.map(__lowerCamelCase						)
          assert mapped_dataset.info.task_templates == dataset.info.task_templates

          snake_case:						Optional[int]         =   dataset.map(__lowerCamelCase						)
          assert mapped_dataset.info.task_templates == []
          # reload from cache
          snake_case:						Union[str, Any]         =   dataset.map(__lowerCamelCase						)
          assert mapped_dataset.info.task_templates == []






      def 			lowerCAmelCase_   (      self						)     ->				int:


          '''simple docstring'''







          snake_case:						Any         =   Features({"""text""": Value("""string"""						), """label""": ClassLabel(names=("""pos""", """neg""")						)}						)
          snake_case:						Optional[int]         =   TextClassification(text_column="""text"""  ,		label_column="""label"""						)
          snake_case:						str         =   DatasetInfo(features=__lowerCamelCase  ,		task_templates=__lowerCamelCase						)
          snake_case:						Optional[Any]         =   Dataset.from_dict({"""text""": ["""A sentence."""], """label""": ["""pos"""]}  ,		info=__lowerCamelCase						)

          def process(__lowerCamelCase						):
              return example

          snake_case:						Optional[Any]         =   dataset.remove_columns("""label"""						)
          snake_case:						Tuple         =   modified_dataset.map(__lowerCamelCase						)
          assert mapped_dataset.info.task_templates == []


