
import argparse
import os
import re


_A   =			"src/transformers/models/auto"


# re pattern that matches mapping introductions:
#    SUPER_MODEL_MAPPING_NAMES = OrderedDict or SUPER_MODEL_MAPPING = OrderedDict
_A   =			re.compile(R"[A-Z_]+_MAPPING(\s+|_[A-Z_]+\s+)=\s+OrderedDict")
# re pattern that matches identifiers in mappings
_A   =			re.compile(R"\s*\(\s*\"(\S[^\"]+)\"")



def 						lowercase_      (       A__			,		A__ = False		)							->							Any:
    """simple docstring"""

    with open(A__			,		"r"			,		encoding="utf-8"		) as f:
        snake_case								= f.read()

    snake_case								= content.split("\n"		)
    snake_case								= []
    snake_case								= 0
    while line_idx < len(A__		):
        if _re_intro_mapping.search(lines[line_idx]		) is not None:
            snake_case								= len(re.search(r"^(\s*)\S"			,		lines[line_idx]		).groups()[0]		) + 8
            # Start of a new mapping!
            while not lines[line_idx].startswith(" " * indent + "("		):
                new_lines.append(lines[line_idx]		)
                line_idx += 1

            snake_case								= []
            while lines[line_idx].strip() != "]":
                # Blocks either fit in one line or not
                if lines[line_idx].strip() == "(":
                    snake_case								= line_idx
                    while not lines[line_idx].startswith(" " * indent + ")"		):
                        line_idx += 1
                    blocks.append("\n".join(lines[start_idx : line_idx + 1]		)		)
                else:
                    blocks.append(lines[line_idx]		)
                line_idx += 1

            # Sort blocks by their identifiers
            snake_case								= sorted(A__			,		key=lambda A__		: _re_identifier.search(A__		).groups()[0]		)
            new_lines += blocks
        else:
            new_lines.append(lines[line_idx]		)
            line_idx += 1

    if overwrite:
        with open(A__			,		"w"			,		encoding="utf-8"		) as f:
            f.write("\n".join(A__		)		)
    elif "\n".join(A__		) != content:
        return True



def 						lowercase_      (       A__ = False		)							->							Any:
    """simple docstring"""

    snake_case								= [os.path.join(A__			,		A__		) for f in os.listdir(A__		) if f.endswith(".py"		)]
    snake_case								= [sort_auto_mapping(A__			,		overwrite=A__		) for fname in fnames]

    if not overwrite and any(A__		):
        snake_case								= [f for f, d in zip(A__			,		A__		) if d]
        raise ValueError(
            F'The following files have auto mappings that need sorting: {", ".join(A__		)}. Run `make style` to fix'
            " this."		)


if __name__ == "__main__":
   _A   =			argparse.ArgumentParser()
   parser.add_argument("--check_only", action="store_true", help="Whether to only check or fix style.")
   _A   =			parser.parse_args()

   sort_all_auto_mappings(not args.check_only)






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]       )

