


'''simple docstring'''

from __future__ import annotations





def __snake_case      (   UpperCAmelCase_		:		str      ,       UpperCAmelCase_		:		list[str] | None = None      ,       UpperCAmelCase_		:		dict[str, float] | None = None      ,       UpperCAmelCase_		:		bool = False      ,       ):
 lowerCamelCase_  				=						cipher_alphabet or [chr(UpperCAmelCase_	) for i in range(97      ,       123	)]

 # If the argument is None or the user provided an empty dictionary
 if not frequencies_dict:
  # Frequencies of letters in the english language (how much they show up)
  lowerCamelCase_  				=						{
      "a": 0.0_8497,
      "b": 0.0_1492,
      "c": 0.0_2202,
      "d": 0.0_4253,
      "e": 0.1_1162,
      "f": 0.0_2228,
      "g": 0.0_2015,
      "h": 0.0_6094,
      "i": 0.0_7546,
      "j": 0.0_0153,
      "k": 0.0_1292,
      "l": 0.0_4025,
      "m": 0.0_2406,
      "n": 0.0_6749,
      "o": 0.0_7507,
      "p": 0.0_1929,
      "q": 0.0_0095,
      "r": 0.0_7587,
      "s": 0.0_6327,
      "t": 0.0_9356,
      "u": 0.0_2758,
      "v": 0.0_0978,
      "w": 0.0_2560,
      "x": 0.0_0150,
      "y": 0.0_1994,
      "z": 0.0_0077,
  }
 else:
  # Custom frequencies dictionary
  lowerCamelCase_  				=						frequencies_dict

 if not case_sensitive:
  lowerCamelCase_  				=						ciphertext.lower()

 # Chi squared statistic values
 lowerCamelCase_  				=						{}

 # cycle through all of the shifts
 for shift in range(len(UpperCAmelCase_	)	):
  lowerCamelCase_  				=						""

  # decrypt the message with the shift
  for letter in ciphertext:
   try:
    # Try to index the letter in the alphabet
    lowerCamelCase_  				=						(alphabet_letters.index(letter.lower()	) - shift) % len(
        UpperCAmelCase_	)
    decrypted_with_shift += (
        alphabet_letters[new_key].upper()
        if case_sensitive and letter.isupper()
        else alphabet_letters[new_key]
    )
   except ValueError:
    # Append the character if it isn't in the alphabet
    decrypted_with_shift += letter

  lowerCamelCase_  				=						0.0

  # Loop through each letter in the decoded message with the shift
  for letter in decrypted_with_shift:
   if case_sensitive:
    lowerCamelCase_  				=						letter.lower()
    if letter in frequencies:
     # Get the amount of times the letter occurs in the message
     lowerCamelCase_  				=						decrypted_with_shift.lower().count(UpperCAmelCase_	)

     # Get the excepcted amount of times the letter should appear based
     # on letter frequencies
     lowerCamelCase_  				=						frequencies[letter] * occurrences

     # Complete the chi squared statistic formula
     lowerCamelCase_  				=						((occurrences - expected) ** 2) / expected

     # Add the margin of error to the total chi squared statistic
     chi_squared_statistic += chi_letter_value
   else:
    if letter.lower() in frequencies:
     # Get the amount of times the letter occurs in the message
     lowerCamelCase_  				=						decrypted_with_shift.count(UpperCAmelCase_	)

     # Get the excepcted amount of times the letter should appear based
     # on letter frequencies
     lowerCamelCase_  				=						frequencies[letter] * occurrences

     # Complete the chi squared statistic formula
     lowerCamelCase_  				=						((occurrences - expected) ** 2) / expected

     # Add the margin of error to the total chi squared statistic
     chi_squared_statistic += chi_letter_value

        # Add the data to the chi_squared_statistic_values dictionary
  lowerCamelCase_  				=						(
      chi_squared_statistic,
      decrypted_with_shift,
  )

 # Get the most likely cipher by finding the cipher with the smallest chi squared
 # statistic
 def chi_squared_statistic_values_sorting_key(UpperCAmelCase_		:		int	) -> tuple[float, str]:
  return chi_squared_statistic_values[key]

 lowerCamelCase_  				=						min(
     UpperCAmelCase_      ,       key=UpperCAmelCase_      ,       )

 # Get all the data from the most likely cipher (key, decoded message)
 (
     (
     lowerCamelCase_
 )				,(
     lowerCamelCase_
 )				,
 )  				=						chi_squared_statistic_values[most_likely_cipher]

 # Return the data on the most likely shift
 return (
     most_likely_cipher,
     most_likely_cipher_chi_squared_value,
     decoded_most_likely_cipher,
 )







'''simple docstring'''

import copy
import inspect
import unittest

from transformers import AutoBackbone
from transformers.configuration_utils import PretrainedConfig
from transformers.testing_utils import require_timm, require_torch, torch_device
from transformers.utils.import_utils import is_torch_available

from ...test_backbone_common import BackboneTesterMixin
from ...test_configuration_common import ConfigTester
from ...test_modeling_common import ModelTesterMixin, floats_tensor


if is_torch_available():
     import torch

     from transformers import TimmBackbone, TimmBackboneConfig

from ...test_pipeline_mixin import PipelineTesterMixin





class   snake_case					:





  """simple docstring"""




  def __init__(					self    ,						UpperCamelCase    ,						UpperCamelCase=None    ,						UpperCamelCase=None    ,						UpperCamelCase=None    ,						UpperCamelCase="resnet50"    ,						UpperCamelCase=3    ,						UpperCamelCase=32    ,						UpperCamelCase=3    ,						UpperCamelCase=True    ,						UpperCamelCase=True    ,						):







   """simple docstring"""
   lowerCamelCase_  				=						parent
   lowerCamelCase_  				=						out_indices if out_indices is not None else [4]
   lowerCamelCase_  				=						stage_names
   lowerCamelCase_  				=						out_features
   lowerCamelCase_  				=						backbone
   lowerCamelCase_  				=						batch_size
   lowerCamelCase_  				=						image_size
   lowerCamelCase_  				=						num_channels
   lowerCamelCase_  				=						use_pretrained_backbone
   lowerCamelCase_  				=						is_training






  def 						snake_case	(					self  ):







   """simple docstring"""
   lowerCamelCase_  				=						floats_tensor([self.batch_size, self.num_channels, self.image_size, self.image_size]  )
   lowerCamelCase_  				=						self.get_config()

   return config, pixel_values






  def 						snake_case	(					self  ):







   """simple docstring"""
   return TimmBackboneConfig(
       image_size=self.image_size    ,						num_channels=self.num_channels    ,						out_features=self.out_features    ,						out_indices=self.out_indices    ,						stage_names=self.stage_names    ,						use_pretrained_backbone=self.use_pretrained_backbone    ,						backbone=self.backbone    ,						)






  def 						snake_case	(					self    ,						UpperCamelCase    ,						UpperCamelCase  ):







   """simple docstring"""
   lowerCamelCase_  				=						TimmBackbone(config=UpperCamelCase  )
   model.to(UpperCamelCase  )
   model.eval()
   with torch.no_grad():
    lowerCamelCase_  				=						model(UpperCamelCase  )
   self.parent.assertEqual(
       result.feature_map[-1].shape    ,						(self.batch_size, model.channels[-1], 14, 14)    ,						)







  def 						snake_case	(					self  ):







   """simple docstring"""
   lowerCamelCase_  				=						self.prepare_config_and_inputs()
   lowerCamelCase_				,lowerCamelCase_  				=						config_and_inputs
   lowerCamelCase_  				=						{"pixel_values": pixel_values}
   return config, inputs_dict





@require_torch
@require_timm
class   snake_case					(					lowercase    ,		lowercase    ,		lowercase    ,		unittest.TestCase    ):





  """simple docstring"""




  _lowerCamelCase						=						(TimmBackbone,) if is_torch_available() else ()
  _lowerCamelCase						=						{"feature-extraction": TimmBackbone} if is_torch_available() else {}
  _lowerCamelCase						=						False
  _lowerCamelCase						=						False
  _lowerCamelCase						=						False
  _lowerCamelCase						=						False






  def 						snake_case	(					self  ):







   """simple docstring"""
   lowerCamelCase_  				=						TimmBackboneModelTester(self  )
   lowerCamelCase_  				=						ConfigTester(self    ,						config_class=UpperCamelCase    ,						has_text_modality=UpperCamelCase  )






  def 						snake_case	(					self  ):







   """simple docstring"""
   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 						snake_case	(					self  ):







   """simple docstring"""
   lowerCamelCase_  				=						"resnet18"
   lowerCamelCase_  				=						"microsoft/resnet-18"

   lowerCamelCase_  				=						AutoBackbone.from_pretrained(UpperCamelCase    ,						use_timm_backbone=UpperCamelCase  )
   lowerCamelCase_  				=						AutoBackbone.from_pretrained(UpperCamelCase  )

   self.assertEqual(len(timm_model.out_features  )    ,						len(transformers_model.out_features  )  )
   self.assertEqual(len(timm_model.stage_names  )    ,						len(transformers_model.stage_names  )  )
   self.assertEqual(timm_model.channels    ,						transformers_model.channels  )
   # Out indices are set to the last layer by default. For timm models, we don't know
   # the number of layers in advance, so we set it to (-1,), whereas for transformers
   # models, we set it to [len(stage_names) - 1] (kept for backward compatibility).
   self.assertEqual(timm_model.out_indices    ,						(-1,)  )
   self.assertEqual(transformers_model.out_indices    ,						[len(timm_model.stage_names  ) - 1]  )

   lowerCamelCase_  				=						AutoBackbone.from_pretrained(UpperCamelCase    ,						use_timm_backbone=UpperCamelCase    ,						out_indices=[1, 2, 3]  )
   lowerCamelCase_  				=						AutoBackbone.from_pretrained(UpperCamelCase    ,						out_indices=[1, 2, 3]  )

   self.assertEqual(timm_model.out_indices    ,						transformers_model.out_indices  )
   self.assertEqual(len(timm_model.out_features  )    ,						len(transformers_model.out_features  )  )
   self.assertEqual(timm_model.channels    ,						transformers_model.channels  )






  @unittest.skip("TimmBackbone doesn't support feed forward chunking"  )
  def 						snake_case	(					self  ):







   """simple docstring"""
   pass






  @unittest.skip("TimmBackbone doesn't have num_hidden_layers attribute"  )
  def 						snake_case	(					self  ):







   """simple docstring"""
   pass






  @unittest.skip("TimmBackbone initialization is managed on the timm side"  )
  def 						snake_case	(					self  ):







   """simple docstring"""
   pass






  @unittest.skip("TimmBackbone models doesn't have inputs_embeds"  )
  def 						snake_case	(					self  ):







   """simple docstring"""
   pass






  @unittest.skip("TimmBackbone models doesn't have inputs_embeds"  )
  def 						snake_case	(					self  ):







   """simple docstring"""
   pass






  @unittest.skip("TimmBackbone model cannot be created without specifying a backbone checkpoint"  )
  def 						snake_case	(					self  ):







   """simple docstring"""
   pass






  @unittest.skip("Only checkpoints on timm can be loaded into TimmBackbone"  )
  def 						snake_case	(					self  ):







   """simple docstring"""
   pass






  @unittest.skip("model weights aren't tied in TimmBackbone."  )
  def 						snake_case	(					self  ):







   """simple docstring"""
   pass






  @unittest.skip("model weights aren't tied in TimmBackbone."  )
  def 						snake_case	(					self  ):







   """simple docstring"""
   pass






  @unittest.skip("Only checkpoints on timm can be loaded into TimmBackbone"  )
  def 						snake_case	(					self  ):







   """simple docstring"""
   pass






  @unittest.skip("Only checkpoints on timm can be loaded into TimmBackbone"  )
  def 						snake_case	(					self  ):







   """simple docstring"""
   pass






  @unittest.skip("TimmBackbone doesn't have hidden size info in its configuration."  )
  def 						snake_case	(					self  ):







   """simple docstring"""
   pass






  @unittest.skip("TimmBackbone doesn't support output_attentions."  )
  def 						snake_case	(					self  ):







   """simple docstring"""
   pass






  @unittest.skip("Safetensors is not supported by timm."  )
  def 						snake_case	(					self  ):







   """simple docstring"""
   pass






  @unittest.skip("Will be fixed soon by reducing the size of the model used for common tests."  )
  def 						snake_case	(					self  ):







   """simple docstring"""
   pass






  def 						snake_case	(					self  ):







   """simple docstring"""
   lowerCamelCase_				,lowerCamelCase_  				=						self.model_tester.prepare_config_and_inputs_for_common()

   for model_class in self.all_model_classes:
    lowerCamelCase_  				=						model_class(UpperCamelCase  )
    lowerCamelCase_  				=						inspect.signature(model.forward  )
    # signature.parameters is an OrderedDict => so arg_names order is deterministic
    lowerCamelCase_  				=						[*signature.parameters.keys()]

    lowerCamelCase_  				=						["pixel_values"]
    self.assertListEqual(arg_names[:1]    ,						UpperCamelCase  )






  def 						snake_case	(					self  ):







   """simple docstring"""
   lowerCamelCase_				,lowerCamelCase_  				=						self.model_tester.prepare_config_and_inputs_for_common()
   lowerCamelCase_  				=						True
   lowerCamelCase_  				=						self.has_attentions

   # no need to test all models as different heads yield the same functionality
   lowerCamelCase_  				=						self.all_model_classes[0]
   lowerCamelCase_  				=						model_class(UpperCamelCase  )
   model.to(UpperCamelCase  )

   lowerCamelCase_  				=						self._prepare_for_class(UpperCamelCase    ,						UpperCamelCase  )
   lowerCamelCase_  				=						model(**UpperCamelCase  )
   lowerCamelCase_  				=						outputs[0][-1]

   # Encoder-/Decoder-only models
   lowerCamelCase_  				=						outputs.hidden_states[0]
   hidden_states.retain_grad()

   if self.has_attentions:
    lowerCamelCase_  				=						outputs.attentions[0]
    attentions.retain_grad()

   output.flatten()[0].backward(retain_graph=UpperCamelCase  )

   self.assertIsNotNone(hidden_states.grad  )

   if self.has_attentions:
    self.assertIsNotNone(attentions.grad  )







  def 						snake_case	(					self  ):







   """simple docstring"""
   lowerCamelCase_				,lowerCamelCase_  				=						self.model_tester.prepare_config_and_inputs_for_common()

   for model_class in self.all_model_classes:
    lowerCamelCase_  				=						model_class(UpperCamelCase  )
    model.to(UpperCamelCase  )
    model.eval()
    lowerCamelCase_  				=						model(**UpperCamelCase  )

    self.assertEqual(len(result.feature_maps  )    ,						len(config.out_indices  )  )
    self.assertEqual(len(model.channels  )    ,						len(config.out_indices  )  )

    # Check output of last stage is taken if out_features=None, out_indices=None
    lowerCamelCase_  				=						copy.deepcopy(UpperCamelCase  )
    lowerCamelCase_  				=						None
    lowerCamelCase_  				=						model_class(UpperCamelCase  )
    model.to(UpperCamelCase  )
    model.eval()
    lowerCamelCase_  				=						model(**UpperCamelCase  )

    self.assertEqual(len(result.feature_maps  )    ,						1  )
    self.assertEqual(len(model.channels  )    ,						1  )

    # Check backbone can be initialized with fresh weights
    lowerCamelCase_  				=						copy.deepcopy(UpperCamelCase  )
    lowerCamelCase_  				=						False
    lowerCamelCase_  				=						model_class(UpperCamelCase  )
    model.to(UpperCamelCase  )
    model.eval()
    lowerCamelCase_  				=						model(**UpperCamelCase  )



