"""simple docstring"""
import warnings

from ...utils import logging
from .image_processing_segformer import SegformerImageProcessor


SCREAMING_SNAKE_CASE__      						=  logging.get_logger(__name__)



class   lowerCAmelCase_    (			lowerCAmelCase					):



				"""simple docstring"""

				def __init__(				self		,    *lowerCAmelCase		,    **lowerCAmelCase    ):






										"""simple docstring"""

										warnings.warn(
										    'The class SegformerFeatureExtractor is deprecated and will be removed in version 5 of Transformers.'
										    ' Please use SegformerImageProcessor instead.'		,    lowerCAmelCase		,    )
										super().__init__(*lowerCAmelCase		,    **lowerCAmelCase    )



"""simple docstring"""
import unittest

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



class   lowerCAmelCase_    (			unittest.TestCase					):



				"""simple docstring"""

				def 		snake_case (				self    ):






										"""simple docstring"""

										snake_case								=			['a', 'b', 'c']

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

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

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

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

				def 		snake_case (				self    ):






										"""simple docstring"""

										with self.assertRaises(lowerCAmelCase    ):
																verify_out_features_out_indices(['a', 'b']		,    (0, 1)		,    lowerCAmelCase    )

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

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

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

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

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

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

										# Out features and out indices should be in order
										with self.assertRaises(lowerCAmelCase    ):
																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 		snake_case (				self    ):






										"""simple docstring"""

										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]    )


