
import enum
import os
from hashlib import shaaaa
from typing import Optional

from .. import config
from .logging import get_logger


_A   =			get_logger(__name__)







class 					lowerCamelCase		(  enum.Enum  ):
     UpperCAmelCase__    :							Tuple									=		"all_checks"
     UpperCAmelCase__    :							Tuple									=		"basic_checks"
     UpperCAmelCase__    :							Tuple									=		"no_checks"







class 					lowerCamelCase		(  A_  ):
     pass







class 					lowerCamelCase		(  A_  ):
     pass







class 					lowerCamelCase		(  A_  ):
     pass







class 					lowerCamelCase		(  A_  ):
     pass



def 						lowercase_      (       A__			,		A__			,		A__=None		)							->							Any:
    """simple docstring"""

    if expected_checksums is None:
        logger.info("Unable to verify checksums."		)
        return
    if len(set(A__		) - set(A__		)		) > 0:
        raise ExpectedMoreDownloadedFiles(str(set(A__		) - set(A__		)		)		)
    if len(set(A__		) - set(A__		)		) > 0:
        raise UnexpectedDownloadedFile(str(set(A__		) - set(A__		)		)		)
    snake_case								= [url for url in expected_checksums if expected_checksums[url] != recorded_checksums[url]]
    snake_case								= " for " + verification_name if verification_name is not None else ""
    if len(A__		) > 0:
        raise NonMatchingChecksumError(
            F'Checksums didn\'t match{for_verification_name}:\n'
            F'{bad_urls}\n'
            "Set `verification_mode='no_checks'` to skip checksums verification and ignore this error"		)
    logger.info("All the checksums matched successfully" + for_verification_name		)







class 					lowerCamelCase		(  A_  ):
     pass







class 					lowerCamelCase		(  A_  ):
     pass







class 					lowerCamelCase		(  A_  ):
     pass







class 					lowerCamelCase		(  A_  ):
     pass



def 						lowercase_      (       A__			,		A__		)							->							List[Any]:
    """simple docstring"""

    if expected_splits is None:
        logger.info("Unable to verify splits sizes."		)
        return
    if len(set(A__		) - set(A__		)		) > 0:
        raise ExpectedMoreSplits(str(set(A__		) - set(A__		)		)		)
    if len(set(A__		) - set(A__		)		) > 0:
        raise UnexpectedSplits(str(set(A__		) - set(A__		)		)		)
    snake_case								= [
        {"expected": expected_splits[name], "recorded": recorded_splits[name]}
        for name in expected_splits
        if expected_splits[name].num_examples != recorded_splits[name].num_examples
    ]
    if len(A__		) > 0:
        raise NonMatchingSplitsSizesError(str(A__		)		)
    logger.info("All the splits matched successfully."		)



def 						lowercase_      (       A__			,		A__ = True		)							->							dict:
    """simple docstring"""

    if record_checksum:
        snake_case								= shaaaa()
        with open(A__			,		"rb"		) as f:
            for chunk in iter(lambda: f.read(1 << 20		)			,		b""		):
                m.update(A__		)
            snake_case								= m.hexdigest()
    else:
        snake_case								= None
    return {"num_bytes": os.path.getsize(A__		), "checksum": checksum}





def 						lowercase_      (       A__		)							->							str:
    """simple docstring"""

    if dataset_size and config.IN_MEMORY_MAX_SIZE:
        return dataset_size < config.IN_MEMORY_MAX_SIZE
    else:
        return False



import unittest

from transformers.utils.backbone_utils import (
    BackboneMixin,
    get_aligned_output_features_output_indices,
    verify_out_features_out_indices,
)







class 					lowerCamelCase		(  unittest.TestCase  ):





     def 		UpperCAmelCase(self				:   Tuple       )						->						List[str]:
         snake_case								= ["a", "b", "c"]

         # Defaults to last layer if both are None
         snake_case					,							snake_case								= get_aligned_output_features_output_indices(_A    ,   _A    ,   _A       )
         self.assertEqual(_A    ,   ["c"]       )
         self.assertEqual(_A    ,   [2]       )

         # Out indices set to match out features
         snake_case					,							snake_case								= get_aligned_output_features_output_indices(["a", "c"]    ,   _A    ,   _A       )
         self.assertEqual(_A    ,   ["a", "c"]       )
         self.assertEqual(_A    ,   [0, 2]       )

         # Out features set to match out indices
         snake_case					,							snake_case								= get_aligned_output_features_output_indices(_A    ,   [0, 2]    ,   _A       )
         self.assertEqual(_A    ,   ["a", "c"]       )
         self.assertEqual(_A    ,   [0, 2]       )

         # Out features selected from negative indices
         snake_case					,							snake_case								= get_aligned_output_features_output_indices(_A    ,   [-3, -1]    ,   _A       )
         self.assertEqual(_A    ,   ["a", "c"]       )
         self.assertEqual(_A    ,   [-3, -1]       )





     def 		UpperCAmelCase(self				:   Optional[int]       )						->						str:
         # Stage names must be set
         with self.assertRaises(_A       ):
             verify_out_features_out_indices(["a", "b"]    ,   (0, 1)    ,   _A       )

         # Out features must be a list
         with self.assertRaises(_A       ):
             verify_out_features_out_indices(("a", "b")    ,   (0, 1)    ,   ["a", "b"]       )

         # Out features must be a subset of stage names
         with self.assertRaises(_A       ):
             verify_out_features_out_indices(["a", "b"]    ,   (0, 1)    ,   ["a"]       )

         # Out indices must be a list or tuple
         with self.assertRaises(_A       ):
             verify_out_features_out_indices(_A    ,   0    ,   ["a", "b"]       )

         # Out indices must be a subset of stage names
         with self.assertRaises(_A       ):
             verify_out_features_out_indices(_A    ,   (0, 1)    ,   ["a"]       )

         # Out features and out indices must be the same length
         with self.assertRaises(_A       ):
             verify_out_features_out_indices(["a", "b"]    ,   (0,)    ,   ["a", "b", "c"]       )

         # Out features should match out indices
         with self.assertRaises(_A       ):
             verify_out_features_out_indices(["a", "b"]    ,   (0, 2)    ,   ["a", "b", "c"]       )

         # Out features and out indices should be in order
         with self.assertRaises(_A       ):
             verify_out_features_out_indices(["b", "a"]    ,   (0, 1)    ,   ["a", "b"]       )

         # Check passes with valid inputs
         verify_out_features_out_indices(["a", "b", "d"]    ,   (0, 1, -1)    ,   ["a", "b", "c", "d"]       )





     def 		UpperCAmelCase(self				:   List[str]       )						->						str:
         snake_case								= BackboneMixin()

         snake_case								= ["a", "b", "c"]
         snake_case								= ["a", "c"]
         snake_case								= [0, 2]

         # Check that the output features and indices are set correctly
         self.assertEqual(backbone.out_features    ,   ["a", "c"]       )
         self.assertEqual(backbone.out_indices    ,   [0, 2]       )

         # Check out features and indices are updated correctly
         snake_case								= ["a", "b"]
         self.assertEqual(backbone.out_features    ,   ["a", "b"]       )
         self.assertEqual(backbone.out_indices    ,   [0, 1]       )

         snake_case								= [-3, -1]
         self.assertEqual(backbone.out_features    ,   ["a", "c"]       )
         self.assertEqual(backbone.out_indices    ,   [-3, -1]       )

