code: 
  '''simple docstring'''
  
  
  
  
  
  from dataclasses import dataclass
  
  A           =   '''0.1'''
  A           =   '''Lucia Harcekova'''
  
  
  
  @dataclass
  class  lowerCAmelCase__   :
  
  
  
   '''simple docstring'''
  
  
  
  
  
  
   _UpperCamelCase						= 42
   _UpperCamelCase						= 42
   _UpperCamelCase						= 42
  
   def __repr__(self  : List[Any]    )   ->       str:
         return f'''({self.offset}, {self.length}, {self.indicator})'''
  
  
  
  class  lowerCAmelCase__   :
  
  
  
   '''simple docstring'''
  
  
  
  
  
  
   def __init__(self  : Union[str, Any]	, lowerCAmelCase_  : Dict = 13	, lowerCAmelCase_  : Tuple = 6    )   ->       None:
         snake_case_						       =							window_size
         snake_case_						       =							lookahead_buffer_size
         snake_case_						       =							self.window_size - self.lookahead_buffer_size
  
   def 		_lowerCamelCase	(self  : Any	, lowerCAmelCase_  : int    )   ->       list[Token]:
         snake_case_						       =							[]
         snake_case_						       =							""
  
         # while there are still characters in text to compress
         while text:
               # find the next encoding phrase
               # - triplet with offset, length, indicator (the next encoding character)
               snake_case_						       =							self._find_encoding_token(__SCREAMING_SNAKE_CASE	, __SCREAMING_SNAKE_CASE    )
  
               # update the search buffer:
               # - add new characters from text into it
               # - check if size exceed the max search buffer size, if so, drop the
               #   oldest elements
               search_buffer += text[: token.length + 1]
               if len(__SCREAMING_SNAKE_CASE    ) > self.search_buffer_size:
                     snake_case_						       =							search_buffer[-self.search_buffer_size :]
  
               # update the text
               snake_case_						       =							text[token.length + 1 :]
  
               # append the token to output
               output.append(__SCREAMING_SNAKE_CASE    )
  
         return output
  
   def 		_lowerCamelCase	(self  : Tuple	, lowerCAmelCase_  : int    )   ->       str:
         snake_case_						       =							""
  
         for token in tokens:
               for _ in range(token.length    ):
                     output += output[-token.offset]
               output += token.indicator
  
         return output
  
   def 		_lowerCamelCase	(self  : Optional[int]	, lowerCAmelCase_  : List[str]	, lowerCAmelCase_  : int    )   ->       Token:
  
         if not text:
               raise ValueError("We need some text to work with."    )
  
         # Initialise result parameters to default values
         snake_case_       ,	snake_case_						       =							0, 0
  
         if not search_buffer:
               return Token(__SCREAMING_SNAKE_CASE	, __SCREAMING_SNAKE_CASE	, text[length]    )
  
         for i, character in enumerate(__SCREAMING_SNAKE_CASE    ):
               snake_case_						       =							len(__SCREAMING_SNAKE_CASE    ) - i
               if character == text[0]:
                     snake_case_						       =							self._match_length_from_index(__SCREAMING_SNAKE_CASE	, __SCREAMING_SNAKE_CASE	, 0	, __SCREAMING_SNAKE_CASE    )
                     # if the found length is bigger than the current or if it's equal,
                     # which means it's offset is smaller: update offset and length
                     if found_length >= length:
                           snake_case_       ,	snake_case_						       =							found_offset, found_length
  
         return Token(__SCREAMING_SNAKE_CASE	, __SCREAMING_SNAKE_CASE	, text[length]    )
  
  
   def 		_lowerCamelCase	(self  : str	, lowerCAmelCase_  : Union[str, Any]	, lowerCAmelCase_  : int	, lowerCAmelCase_  : List[str]	, lowerCAmelCase_  : Any    )   ->       int:
         if not text or text[text_index] != window[window_index]:
               return 0
         return 1 + self._match_length_from_index(
             __SCREAMING_SNAKE_CASE	, window + text[text_index]	, text_index + 1	, window_index + 1    )
  
  
  if __name__ == "__main__":
       from doctest import testmod
  
       testmod()
       # Initialize compressor class
       A           =   LZaaCompressor(window_size=1_3, lookahead_buffer_size=6)
  
       # Example
       A           =   '''cabracadabrarrarrad'''
       A           =   lzaa_compressor.compress(TEXT)
       print(lzaa_compressor.compress("ababcbababaa"))
       A           =   lzaa_compressor.decompress(compressed_text)
       assert decompressed_text == TEXT, "The LZ77 algorithm returned the invalid result."
  
  
style_context: 
  '''simple docstring'''
  
  
  
  
  
  from __future__ import annotations
  
  import inspect
  import unittest
  
  import numpy as np
  
  from transformers import SwinConfig
  from transformers.testing_utils import require_tf, require_vision, slow, to_atuple
  from transformers.utils import cached_property, is_tf_available, is_vision_available
  
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_tf_common import TFModelTesterMixin, floats_tensor, ids_tensor
  from ...test_pipeline_mixin import PipelineTesterMixin
  
  
  if is_tf_available():
       import tensorflow as tf
  
       from transformers.models.swin.modeling_tf_swin import (
           TF_SWIN_PRETRAINED_MODEL_ARCHIVE_LIST,
           TFSwinForImageClassification,
           TFSwinForMaskedImageModeling,
           TFSwinModel,
       )
  
  
  if is_vision_available():
       from PIL import Image
  
       from transformers import AutoImageProcessor
  
  
  
  class  lowerCAmelCase__   :
  
  
  
    '''simple docstring'''
  
  
  
  
  
  
    def __init__(self  : Optional[int]	, lowerCAmelCase_  : List[Any]	, lowerCAmelCase_  : Any=13	, lowerCAmelCase_  : int=32	, lowerCAmelCase_  : int=2	, lowerCAmelCase_  : List[str]=3	, lowerCAmelCase_  : Any=16	, lowerCAmelCase_  : Tuple=[1, 2, 1]	, lowerCAmelCase_  : List[str]=[2, 2, 4]	, lowerCAmelCase_  : Dict=2	, lowerCAmelCase_  : str=2.0	, lowerCAmelCase_  : int=True	, lowerCAmelCase_  : List[Any]=0.0	, lowerCAmelCase_  : List[Any]=0.0	, lowerCAmelCase_  : List[Any]=0.1	, lowerCAmelCase_  : Optional[int]="gelu"	, lowerCAmelCase_  : Dict=False	, lowerCAmelCase_  : str=True	, lowerCAmelCase_  : Optional[int]=0.02	, lowerCAmelCase_  : List[str]=1E-5	, lowerCAmelCase_  : Dict=True	, lowerCAmelCase_  : Tuple=None	, lowerCAmelCase_  : List[str]=True	, lowerCAmelCase_  : str=10	, lowerCAmelCase_  : Tuple=8	, )   ->       None:
          snake_case_						       =							parent
          snake_case_						       =							batch_size
          snake_case_						       =							image_size
          snake_case_						       =							patch_size
          snake_case_						       =							num_channels
          snake_case_						       =							embed_dim
          snake_case_						       =							depths
          snake_case_						       =							num_heads
          snake_case_						       =							window_size
          snake_case_						       =							mlp_ratio
          snake_case_						       =							qkv_bias
          snake_case_						       =							hidden_dropout_prob
          snake_case_						       =							attention_probs_dropout_prob
          snake_case_						       =							drop_path_rate
          snake_case_						       =							hidden_act
          snake_case_						       =							use_absolute_embeddings
          snake_case_						       =							patch_norm
          snake_case_						       =							layer_norm_eps
          snake_case_						       =							initializer_range
          snake_case_						       =							is_training
          snake_case_						       =							scope
          snake_case_						       =							use_labels
          snake_case_						       =							type_sequence_label_size
          snake_case_						       =							encoder_stride
  
    def 		_lowerCamelCase	(self  : Optional[int]    )   ->       Dict:
          snake_case_						       =							floats_tensor([self.batch_size, self.num_channels, self.image_size, self.image_size]    )
  
          snake_case_						       =							None
          if self.use_labels:
                snake_case_						       =							ids_tensor([self.batch_size]	, self.type_sequence_label_size    )
  
          snake_case_						       =							self.get_config()
  
          return config, pixel_values, labels
  
    def 		_lowerCamelCase	(self  : str    )   ->       Tuple:
          return SwinConfig(
              image_size=self.image_size	, patch_size=self.patch_size	, num_channels=self.num_channels	, embed_dim=self.embed_dim	, depths=self.depths	, num_heads=self.num_heads	, window_size=self.window_size	, mlp_ratio=self.mlp_ratio	, qkv_bias=self.qkv_bias	, hidden_dropout_prob=self.hidden_dropout_prob	, attention_probs_dropout_prob=self.attention_probs_dropout_prob	, drop_path_rate=self.drop_path_rate	, hidden_act=self.hidden_act	, use_absolute_embeddings=self.use_absolute_embeddings	, path_norm=self.patch_norm	, layer_norm_eps=self.layer_norm_eps	, initializer_range=self.initializer_range	, encoder_stride=self.encoder_stride	, )
  
    def 		_lowerCamelCase	(self  : Optional[int]	, lowerCAmelCase_  : int	, lowerCAmelCase_  : List[Any]	, lowerCAmelCase_  : Optional[int]    )   ->       Any:
          snake_case_						       =							TFSwinModel(config=lowerCAmelCase_    )
          snake_case_						       =							model(lowerCAmelCase_    )
  
          snake_case_						       =							((config.image_size // config.patch_size) ** 2) // (4 ** (len(config.depths    ) - 1))
          snake_case_						       =							int(config.embed_dim * 2 ** (len(config.depths    ) - 1)    )
  
          self.parent.assertEqual(result.last_hidden_state.shape	, (self.batch_size, expected_seq_len, expected_dim)    )
  
    def 		_lowerCamelCase	(self  : Optional[Any]	, lowerCAmelCase_  : Optional[int]	, lowerCAmelCase_  : Dict	, lowerCAmelCase_  : Optional[int]    )   ->       Optional[int]:
          snake_case_						       =							TFSwinForMaskedImageModeling(config=lowerCAmelCase_    )
          snake_case_						       =							model(lowerCAmelCase_    )
          self.parent.assertEqual(
              result.logits.shape	, (self.batch_size, self.num_channels, self.image_size, self.image_size)    )
  
          # test greyscale images
          snake_case_						       =							1
          snake_case_						       =							TFSwinForMaskedImageModeling(lowerCAmelCase_    )
  
          snake_case_						       =							floats_tensor([self.batch_size, 1, self.image_size, self.image_size]    )
          snake_case_						       =							model(lowerCAmelCase_    )
          self.parent.assertEqual(result.logits.shape	, (self.batch_size, 1, self.image_size, self.image_size)    )
  
    def 		_lowerCamelCase	(self  : Dict	, lowerCAmelCase_  : Tuple	, lowerCAmelCase_  : List[str]	, lowerCAmelCase_  : Optional[Any]    )   ->       Tuple:
          snake_case_						       =							self.type_sequence_label_size
          snake_case_						       =							TFSwinForImageClassification(lowerCAmelCase_    )
          snake_case_						       =							model(lowerCAmelCase_	, labels=lowerCAmelCase_    )
          self.parent.assertEqual(result.logits.shape	, (self.batch_size, self.type_sequence_label_size)    )
  
          # test greyscale images
          snake_case_						       =							1
          snake_case_						       =							TFSwinForImageClassification(lowerCAmelCase_    )
          snake_case_						       =							floats_tensor([self.batch_size, 1, self.image_size, self.image_size]    )
          snake_case_						       =							model(lowerCAmelCase_    )
          self.parent.assertEqual(result.logits.shape	, (self.batch_size, self.type_sequence_label_size)    )
  
  
    def 		_lowerCamelCase	(self  : Optional[Any]    )   ->       str:
          snake_case_						       =							self.prepare_config_and_inputs()
          snake_case_       ,	snake_case_       ,	snake_case_						       =							config_and_inputs
          snake_case_						       =							{"pixel_values": pixel_values}
          return config, inputs_dict
  
  
  
  @require_tf
  class  lowerCAmelCase__   (       UpperCamelCase					,							UpperCamelCase					,							unittest.TestCase       ):
  
  
  
    '''simple docstring'''
  
  
  
  
  
  
    _UpperCamelCase						= (
        (
            TFSwinModel,
            TFSwinForImageClassification,
            TFSwinForMaskedImageModeling,
        )
        if is_tf_available()
        else ()
    )
    _UpperCamelCase						= (
        {'feature-extraction': TFSwinModel, 'image-classification': TFSwinForImageClassification}
        if is_tf_available()
        else {}
    )
  
    _UpperCamelCase						= False
    _UpperCamelCase						= False
    _UpperCamelCase						= False
    _UpperCamelCase						= False
  
    def 		_lowerCamelCase	(self  : Any    )   ->       List[Any]:
          snake_case_						       =							TFSwinModelTester(self    )
          snake_case_						       =							ConfigTester(self	, config_class=lowerCAmelCase_	, embed_dim=37    )
  
    def 		_lowerCamelCase	(self  : Optional[int]    )   ->       Optional[Any]:
          self.create_and_test_config_common_properties()
          self.config_tester.create_and_test_config_to_json_string()
          self.config_tester.create_and_test_config_to_json_file()
          self.config_tester.create_and_test_config_from_and_save_pretrained()
          self.config_tester.create_and_test_config_with_num_labels()
          self.config_tester.check_config_can_be_init_without_params()
          self.config_tester.check_config_arguments_init()
  
    def 		_lowerCamelCase	(self  : List[Any]    )   ->       List[str]:
          return
  
    def 		_lowerCamelCase	(self  : Any    )   ->       Dict:
          snake_case_						       =							self.model_tester.prepare_config_and_inputs()
          self.model_tester.create_and_check_model(*lowerCAmelCase_    )
  
    def 		_lowerCamelCase	(self  : int    )   ->       Any:
          snake_case_						       =							self.model_tester.prepare_config_and_inputs()
          self.model_tester.create_and_check_for_masked_image_modeling(*lowerCAmelCase_    )
  
    def 		_lowerCamelCase	(self  : Tuple    )   ->       Optional[Any]:
          snake_case_						       =							self.model_tester.prepare_config_and_inputs()
          self.model_tester.create_and_check_for_image_classification(*lowerCAmelCase_    )
  
    @unittest.skip(reason="Swin does not use inputs_embeds"    )
    def 		_lowerCamelCase	(self  : Optional[Any]    )   ->       Union[str, Any]:
          pass
  
    def 		_lowerCamelCase	(self  : List[str]    )   ->       Any:
          snake_case_       ,	snake_case_						       =							self.model_tester.prepare_config_and_inputs_for_common()
  
          for model_class in self.all_model_classes:
                snake_case_						       =							model_class(lowerCAmelCase_    )
                self.assertIsInstance(model.get_input_embeddings()	, tf.keras.layers.Layer    )
                snake_case_						       =							model.get_output_embeddings()
                self.assertTrue(x is None or isinstance(lowerCAmelCase_	, tf.keras.layers.Dense    )    )
  
    def 		_lowerCamelCase	(self  : Dict    )   ->       Dict:
          snake_case_       ,	snake_case_						       =							self.model_tester.prepare_config_and_inputs_for_common()
  
          for model_class in self.all_model_classes:
                snake_case_						       =							model_class(lowerCAmelCase_    )
                snake_case_						       =							inspect.signature(model.call    )
                # signature.parameters is an OrderedDict => so arg_names order is deterministic
                snake_case_						       =							[*signature.parameters.keys()]
  
                snake_case_						       =							["pixel_values"]
                self.assertListEqual(arg_names[:1]	, lowerCAmelCase_    )
  
    def 		_lowerCamelCase	(self  : Dict    )   ->       Any:
          snake_case_       ,	snake_case_						       =							self.model_tester.prepare_config_and_inputs_for_common()
          snake_case_						       =							True
  
          for model_class in self.all_model_classes:
                snake_case_						       =							True
                snake_case_						       =							False
                snake_case_						       =							True
                snake_case_						       =							model_class(lowerCAmelCase_    )
                snake_case_						       =							model(**self._prepare_for_class(lowerCAmelCase_	, lowerCAmelCase_    )    )
                snake_case_						       =							outputs.attentions
                snake_case_						       =							len(self.model_tester.depths    )
                self.assertEqual(len(lowerCAmelCase_    )	, lowerCAmelCase_    )
  
                # check that output_attentions also work using config
                del inputs_dict["output_attentions"]
                snake_case_						       =							True
                snake_case_						       =							config.window_size**2
                snake_case_						       =							model_class(lowerCAmelCase_    )
                snake_case_						       =							model(**self._prepare_for_class(lowerCAmelCase_	, lowerCAmelCase_    )    )
                snake_case_						       =							outputs.attentions
                self.assertEqual(len(lowerCAmelCase_    )	, lowerCAmelCase_    )
  
                self.assertListEqual(
                    list(attentions[0].shape[-3:]    )	, [self.model_tester.num_heads[0], window_size_squared, window_size_squared]	, )
                snake_case_						       =							len(lowerCAmelCase_    )
  
                # Check attention is always last and order is fine
                snake_case_						       =							True
                snake_case_						       =							True
                snake_case_						       =							model_class(lowerCAmelCase_    )
                snake_case_						       =							model(**self._prepare_for_class(lowerCAmelCase_	, lowerCAmelCase_    )    )
  
                if hasattr(self.model_tester	, "num_hidden_states_types"    ):
                      snake_case_						       =							self.model_tester.num_hidden_states_types
                else:
                      # also another +1 for reshaped_hidden_states
                      snake_case_						       =							2
                self.assertEqual(out_len + added_hidden_states	, len(lowerCAmelCase_    )    )
  
                snake_case_						       =							outputs.attentions
  
                self.assertEqual(len(lowerCAmelCase_    )	, lowerCAmelCase_    )
  
                self.assertListEqual(
                    list(self_attentions[0].shape[-3:]    )	, [self.model_tester.num_heads[0], window_size_squared, window_size_squared]	, )
  
    def 		_lowerCamelCase	(self  : Optional[int]	, lowerCAmelCase_  : Union[str, Any]	, lowerCAmelCase_  : int	, lowerCAmelCase_  : Dict	, lowerCAmelCase_  : List[Any]    )   ->       Optional[int]:
          snake_case_						       =							model_class(lowerCAmelCase_    )
          snake_case_						       =							model(**self._prepare_for_class(lowerCAmelCase_	, lowerCAmelCase_    )    )
          snake_case_						       =							outputs.hidden_states
  
          snake_case_						       =							getattr(
              self.model_tester	, "expected_num_hidden_layers"	, len(self.model_tester.depths    ) + 1    )
          self.assertEqual(len(lowerCAmelCase_    )	, lowerCAmelCase_    )
  
          # Swin has a different seq_length
          snake_case_						       =							to_atuple(config.patch_size    )
  
          snake_case_						       =							(image_size[1] // patch_size[1]) * (image_size[0] // patch_size[0])
  
          self.assertListEqual(
              list(hidden_states[0].shape[-2:]    )	, [num_patches, self.model_tester.embed_dim]	, )
  
          snake_case_						       =							outputs.reshaped_hidden_states
          self.assertEqual(len(lowerCAmelCase_    )	, lowerCAmelCase_    )
  
          snake_case_       ,	snake_case_       ,	snake_case_       ,	snake_case_						       =							reshaped_hidden_states[0].shape
  
          snake_case_						       =							tf.reshape(reshaped_hidden_states[0]	, (batch_size, num_channels, height * width)    )
          snake_case_						       =							tf.transpose(lowerCAmelCase_	, (0, 2, 1)    )
  
          self.assertListEqual(
              list(reshaped_hidden_states.shape[-2:]    )	, [num_patches, self.model_tester.embed_dim]	, )
  
    def 		_lowerCamelCase	(self  : Dict    )   ->       str:
          snake_case_       ,	snake_case_						       =							self.model_tester.prepare_config_and_inputs_for_common()
  
          snake_case_						       =							to_atuple(self.model_tester.image_size    )
  
          for model_class in self.all_model_classes:
                snake_case_						       =							True
                self.check_hidden_states_output(lowerCAmelCase_	, lowerCAmelCase_	, lowerCAmelCase_	, lowerCAmelCase_    )
  
                # check that output_hidden_states also work using config
                del inputs_dict["output_hidden_states"]
                snake_case_						       =							True
  
                self.check_hidden_states_output(lowerCAmelCase_	, lowerCAmelCase_	, lowerCAmelCase_	, lowerCAmelCase_    )
  
    def 		_lowerCamelCase	(self  : Tuple    )   ->       List[Any]:
          snake_case_       ,	snake_case_						       =							self.model_tester.prepare_config_and_inputs_for_common()
          snake_case_						       =							3
  
          snake_case_						       =							to_atuple(self.model_tester.image_size    )
          snake_case_						       =							to_atuple(config.patch_size    )
  
          snake_case_						       =							image_size[0] + patch_size[0] - (image_size[0] % patch_size[0])
          snake_case_						       =							image_size[1] + patch_size[1] - (image_size[1] % patch_size[1])
  
          for model_class in self.all_model_classes:
                snake_case_						       =							True
                self.check_hidden_states_output(lowerCAmelCase_	, lowerCAmelCase_	, lowerCAmelCase_	, (padded_height, padded_width)    )
  
                # check that output_hidden_states also work using config
                del inputs_dict["output_hidden_states"]
                snake_case_						       =							True
                self.check_hidden_states_output(lowerCAmelCase_	, lowerCAmelCase_	, lowerCAmelCase_	, (padded_height, padded_width)    )
  
  
    @slow
    def 		_lowerCamelCase	(self  : Any    )   ->       List[str]:
          for model_name in TF_SWIN_PRETRAINED_MODEL_ARCHIVE_LIST[:1]:
                snake_case_						       =							TFSwinModel.from_pretrained(lowerCAmelCase_    )
                self.assertIsNotNone(lowerCAmelCase_    )
  
  
  
  @require_vision
  @require_tf
  class  lowerCAmelCase__   (       unittest.TestCase       ):
  
  
  
    '''simple docstring'''
  
  
  
  
  
  
    @cached_property
    def 		_lowerCamelCase	(self  : Dict    )   ->       str:
          return (
              AutoImageProcessor.from_pretrained("microsoft/swin-tiny-patch4-window7-224"    )
              if is_vision_available()
              else None
          )
  
  
    @slow
    def 		_lowerCamelCase	(self  : Optional[int]    )   ->       str:
          snake_case_						       =							TFSwinForImageClassification.from_pretrained("microsoft/swin-tiny-patch4-window7-224"    )
          snake_case_						       =							self.default_image_processor
  
          snake_case_						       =							Image.open("./tests/fixtures/tests_samples/COCO/000000039769.png"    )
          snake_case_						       =							image_processor(images=lowerCAmelCase_	, return_tensors="tf"    )
  
          # forward pass
          snake_case_						       =							model(lowerCAmelCase_    )
  
          # verify the logits
          snake_case_						       =							tf.TensorShape((1, 10_00)    )
          self.assertEqual(outputs.logits.shape	, lowerCAmelCase_    )
          snake_case_						       =							tf.constant([-0.0_948, -0.6_454, -0.0_921]    )
          self.assertTrue(np.allclose(outputs.logits[0, :3]	, lowerCAmelCase_	, atol=1E-4    )    )
  
  