






"""simple docstring"""







from __future__ import annotations

from typing import Any


class      UpperCamelCase		:






						def __init__(		self  :List[Any]			, __magic_name__  :int = 6				)      ->None:
										lowercase    :      Node | None       = None
										lowercase    :      Node | None       = None
										self.create_linked_list(__magic_name__				)






						def      __snake_case      (		self  :Dict			, __magic_name__  :int				)      ->None:
										lowercase    :      List[Any]       = Node()
										lowercase    :      str       = current_node
										lowercase    :      int       = current_node
										lowercase    :      List[str]       = current_node
										for _ in range(1			, __magic_name__				):
														lowercase    :      List[Any]       = Node()
														lowercase    :      Union[str, Any]       = current_node
														lowercase    :      int       = previous_node
														lowercase    :      Optional[int]       = current_node
										lowercase    :      Union[str, Any]       = self.front
										lowercase    :      List[Any]       = previous_node






						def      __snake_case      (		self  :Optional[Any]				)      ->bool:
										return (
										    self.front == self.rear
										    and self.front is not None
										    and self.front.data is None
										)






						def      __snake_case      (		self  :str				)      ->Any | None:
										self.check_can_perform_operation()
										return self.front.data if self.front else None






						def      __snake_case      (		self  :Union[str, Any]			, __magic_name__  :Any				)      ->None:
										if self.rear is None:
														return

										self.check_is_full()
										if not self.is_empty():
														lowercase    :      str       = self.rear.next
										if self.rear:
														lowercase    :      Optional[int]       = data






						def      __snake_case      (		self  :List[str]				)      ->Any:
										self.check_can_perform_operation()
										if self.rear is None or self.front is None:
														return None
										if self.front == self.rear:
														lowercase    :      Optional[Any]       = self.front.data
														lowercase    :      str       = None
														return data

										lowercase    :      Optional[Any]       = self.front
										lowercase    :      Optional[int]       = old_front.next
										lowercase    :      Union[str, Any]       = old_front.data
										lowercase    :      Optional[Any]       = None
										return data






						def      __snake_case      (		self  :Optional[Any]				)      ->None:
										if self.is_empty():
														raise Exception("""Empty Queue"""				)






						def      __snake_case      (		self  :Dict				)      ->None:
										if self.rear and self.rear.next == self.front:
														raise Exception("""Full Queue"""				)


class      UpperCamelCase		:






						def __init__(		self  :List[Any]				)      ->None:
										lowercase    :      Any | None       = None
										lowercase    :      Node | None       = None
										lowercase    :      Node | None       = None


if __name__ == "__main__":
				import doctest

				doctest.testmod()








"""simple docstring"""







import copy
import inspect
import unittest

from transformers import PretrainedConfig, SwiftFormerConfig
from transformers.testing_utils import (
    require_torch,
    require_vision,
    slow,
    torch_device,
)
from transformers.utils import cached_property, is_torch_available, is_vision_available

from ...test_configuration_common import ConfigTester
from ...test_modeling_common import ModelTesterMixin, floats_tensor, ids_tensor
from ...test_pipeline_mixin import PipelineTesterMixin


if is_torch_available():
				import torch
				from torch import nn

				from transformers import SwiftFormerForImageClassification, SwiftFormerModel
				from transformers.models.swiftformer.modeling_swiftformer import SWIFTFORMER_PRETRAINED_MODEL_ARCHIVE_LIST


if is_vision_available():
				from PIL import Image

				from transformers import ViTImageProcessor


class      UpperCamelCase		:






						def __init__(		self  :Union[str, Any]			, __magic_name__  :Any			, __magic_name__  :List[str]=13			, __magic_name__  :Any=3			, __magic_name__  :str=True			, __magic_name__  :int=True			, __magic_name__  :Dict=0.1			, __magic_name__  :Optional[int]=0.1			, __magic_name__  :List[str]=224			, __magic_name__  :Any=1_000			, __magic_name__  :int=[3, 3, 6, 4]			, __magic_name__  :int=[48, 56, 112, 220]			, )      ->int:
										lowercase    :      Dict       = parent
										lowercase    :      List[str]       = batch_size
										lowercase    :      Union[str, Any]       = num_channels
										lowercase    :      Dict       = is_training
										lowercase    :      Any       = use_labels
										lowercase    :      Dict       = hidden_dropout_prob
										lowercase    :      Union[str, Any]       = attention_probs_dropout_prob
										lowercase    :      Optional[Any]       = num_labels
										lowercase    :      Optional[Any]       = image_size
										lowercase    :      Optional[int]       = layer_depths
										lowercase    :      Optional[int]       = embed_dims






						def      __snake_case      (		self  :Tuple				)      ->str:
										lowercase    :      Dict       = floats_tensor([self.batch_size, self.num_channels, self.image_size, self.image_size]				)

										lowercase    :      Optional[Any]       = None
										if self.use_labels:
														lowercase    :      str       = ids_tensor([self.batch_size]			, self.num_labels				)

										lowercase    :      List[Any]       = self.get_config()

										return config, pixel_values, labels






						def      __snake_case      (		self  :Dict				)      ->Union[str, Any]:
										return SwiftFormerConfig(
										    depths=self.layer_depths			, embed_dims=self.embed_dims			, mlp_ratio=4			, downsamples=[True, True, True, True]			, hidden_act="""gelu"""			, num_labels=self.num_labels			, down_patch_size=3			, down_stride=2			, down_pad=1			, drop_rate=0.0			, drop_path_rate=0.0			, use_layer_scale=__magic_name__			, layer_scale_init_value=1E-5			, )






						def      __snake_case      (		self  :List[str]			, __magic_name__  :Union[str, Any]			, __magic_name__  :Dict			, __magic_name__  :Dict				)      ->Optional[Any]:
										lowercase    :      Optional[int]       = SwiftFormerModel(config=__magic_name__				)
										model.to(__magic_name__				)
										model.eval()
										lowercase    :      Union[str, Any]       = model(__magic_name__				)
										self.parent.assertEqual(result.last_hidden_state.shape			, (self.batch_size, self.embed_dims[-1], 7, 7)				)






						def      __snake_case      (		self  :Any			, __magic_name__  :Any			, __magic_name__  :Tuple			, __magic_name__  :Any				)      ->Union[str, Any]:
										lowercase    :      Optional[int]       = self.num_labels
										lowercase    :      List[str]       = SwiftFormerForImageClassification(__magic_name__				)
										model.to(__magic_name__				)
										model.eval()
										lowercase    :      List[Any]       = model(__magic_name__			, labels=__magic_name__				)
										self.parent.assertEqual(result.logits.shape			, (self.batch_size, self.num_labels)				)

										lowercase    :      Union[str, Any]       = SwiftFormerForImageClassification(__magic_name__				)
										model.to(__magic_name__				)
										model.eval()

										lowercase    :      Tuple       = floats_tensor([self.batch_size, self.num_channels, self.image_size, self.image_size]				)
										lowercase    :      Union[str, Any]       = model(__magic_name__				)
										self.parent.assertEqual(result.logits.shape			, (self.batch_size, self.num_labels)				)






						def      __snake_case      (		self  :Union[str, Any]				)      ->Optional[int]:
										((lowercase)      ,      (lowercase)      ,      (lowercase))    :      Optional[Any]       = self.prepare_config_and_inputs()
										lowercase    :      Any       = {"""pixel_values""": pixel_values}
										return config, inputs_dict


@require_torch
class      UpperCamelCase		(__snake_case						,						__snake_case						,						unittest.TestCase     ):
						_SCREAMING_SNAKE_CASE  : List[str]												=		(SwiftFormerModel, SwiftFormerForImageClassification) if is_torch_available() else ()
						_SCREAMING_SNAKE_CASE  : Any												=		(
						    {"""feature-extraction""": SwiftFormerModel, """image-classification""": SwiftFormerForImageClassification}
						    if is_torch_available()
						    else {}
						)

						_SCREAMING_SNAKE_CASE  : Optional[Any]												=		False
						_SCREAMING_SNAKE_CASE  : Optional[Any]												=		False
						_SCREAMING_SNAKE_CASE  : List[str]												=		False
						_SCREAMING_SNAKE_CASE  : Tuple												=		False
						_SCREAMING_SNAKE_CASE  : List[Any]												=		False






						def      __snake_case      (		self  :Union[str, Any]				)      ->Optional[int]:
										lowercase    :      Optional[Any]       = SwiftFormerModelTester(self				)
										lowercase    :      List[str]       = ConfigTester(
										    self			, config_class=__magic_name__			, has_text_modality=__magic_name__			, hidden_size=37			, num_attention_heads=12			, num_hidden_layers=12			, )






						def      __snake_case      (		self  :Union[str, Any]				)      ->Union[str, Any]:
										self.config_tester.run_common_tests()






						@unittest.skip(reason="""SwiftFormer does not use inputs_embeds"""				)
						def      __snake_case      (		self  :Any				)      ->Any:
										pass






						def      __snake_case      (		self  :Optional[int]				)      ->List[Any]:
										lowercase      ,      lowercase    :      Optional[Any]       = self.model_tester.prepare_config_and_inputs_for_common()

										for model_class in self.all_model_classes:
														lowercase    :      Dict       = model_class(__magic_name__				)
														lowercase    :      int       = model.get_output_embeddings()
														self.assertTrue(x is None or isinstance(__magic_name__			, nn.Linear				)				)






						def      __snake_case      (		self  :Any				)      ->List[str]:
										lowercase      ,      lowercase    :      int       = self.model_tester.prepare_config_and_inputs_for_common()

										for model_class in self.all_model_classes:
														lowercase    :      Union[str, Any]       = model_class(__magic_name__				)
														lowercase    :      Tuple       = inspect.signature(model.forward				)
														# signature.parameters is an OrderedDict => so arg_names order is deterministic
														lowercase    :      str       = [*signature.parameters.keys()]

														lowercase    :      Any       = ["""pixel_values"""]
														self.assertListEqual(arg_names[:1]			, __magic_name__				)






						def      __snake_case      (		self  :Union[str, Any]				)      ->Optional[int]:
										lowercase    :      Union[str, Any]       = self.model_tester.prepare_config_and_inputs()
										self.model_tester.create_and_check_model(*__magic_name__				)






						def      __snake_case      (		self  :List[Any]				)      ->List[str]:
										lowercase    :      Any       = self.model_tester.prepare_config_and_inputs()
										self.model_tester.create_and_check_for_image_classification(*__magic_name__				)






						@slow
						def      __snake_case      (		self  :Any				)      ->Dict:
										for model_name in SWIFTFORMER_PRETRAINED_MODEL_ARCHIVE_LIST[:1]:
														lowercase    :      List[Any]       = SwiftFormerModel.from_pretrained(__magic_name__				)
														self.assertIsNotNone(__magic_name__				)






						@unittest.skip(reason="""SwiftFormer does not output attentions"""				)
						def      __snake_case      (		self  :List[str]				)      ->Optional[Any]:
										pass






						def      __snake_case      (		self  :List[str]				)      ->List[str]:
										def check_hidden_states_output(__magic_name__  :str			, __magic_name__  :Optional[Any]			, __magic_name__  :Tuple				):
														lowercase    :      Optional[Any]       = model_class(__magic_name__				)
														model.to(__magic_name__				)
														model.eval()

														with torch.no_grad():
																		lowercase    :      Dict       = model(**self._prepare_for_class(__magic_name__			, __magic_name__				)				)

														lowercase    :      Tuple       = outputs.hidden_states

														lowercase    :      List[str]       = 8
														self.assertEqual(len(__magic_name__				)			, __magic_name__				)  # TODO

														# SwiftFormer's feature maps are of shape (batch_size, embed_dims, height, width)
														# with the width and height being successively divided by 2, after every 2 blocks
														for i in range(len(__magic_name__				)				):
																		self.assertEqual(
																		    hidden_states[i].shape			, torch.Size(
																		        [
																		            self.model_tester.batch_size,
																		            self.model_tester.embed_dims[i // 2],
																		            (self.model_tester.image_size // 4) // 2 ** (i // 2),
																		            (self.model_tester.image_size // 4) // 2 ** (i // 2),
																		        ]				)			, )

										lowercase      ,      lowercase    :      Optional[Any]       = self.model_tester.prepare_config_and_inputs_for_common()

										for model_class in self.all_model_classes:
														lowercase    :      Optional[int]       = True
														check_hidden_states_output(__magic_name__			, __magic_name__			, __magic_name__				)

														# check that output_hidden_states also work using config
														del inputs_dict["output_hidden_states"]
														lowercase    :      Any       = True

														check_hidden_states_output(__magic_name__			, __magic_name__			, __magic_name__				)






						def      __snake_case      (		self  :Any				)      ->Optional[int]:
										def _config_zero_init(__magic_name__  :List[Any]				):
														lowercase    :      Tuple       = copy.deepcopy(__magic_name__				)
														for key in configs_no_init.__dict__.keys():
																		if "_range" in key or "_std" in key or "initializer_factor" in key or "layer_scale" in key:
																						setattr(__magic_name__			, __magic_name__			, 1E-10				)
																		if isinstance(getattr(__magic_name__			, __magic_name__			, __magic_name__				)			, __magic_name__				):
																						lowercase    :      Any       = _config_zero_init(getattr(__magic_name__			, __magic_name__				)				)
																						setattr(__magic_name__			, __magic_name__			, __magic_name__				)
														return configs_no_init

										lowercase      ,      lowercase    :      Dict       = self.model_tester.prepare_config_and_inputs_for_common()

										lowercase    :      int       = _config_zero_init(__magic_name__				)
										for model_class in self.all_model_classes:
														lowercase    :      Union[str, Any]       = model_class(config=__magic_name__				)
														for name, param in model.named_parameters():
																		if param.requires_grad:
																						self.assertIn(
																						    ((param.data.mean() * 1E9) / 1E9).round().item()			, [0.0, 1.0]			, msg=f"""Parameter {name} of model {model_class} seems not properly initialized"""			, )






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


def      UpperCamelCase       ( )     ->       Tuple:
				lowercase    :      int       = Image.open("""./tests/fixtures/tests_samples/COCO/000000039769.png""" )
				return image


@require_torch
@require_vision
class      UpperCamelCase		(unittest.TestCase     ):






						@cached_property
						def      __snake_case      (		self  :Optional[Any]				)      ->List[str]:
										return ViTImageProcessor.from_pretrained("""MBZUAI/swiftformer-xs"""				) if is_vision_available() else None






						@slow
						def      __snake_case      (		self  :Optional[int]				)      ->int:
										lowercase    :      Union[str, Any]       = SwiftFormerForImageClassification.from_pretrained("""MBZUAI/swiftformer-xs"""				).to(__magic_name__				)

										lowercase    :      Any       = self.default_image_processor
										lowercase    :      str       = prepare_img()
										lowercase    :      Tuple       = image_processor(images=__magic_name__			, return_tensors="""pt"""				).to(__magic_name__				)

										# forward pass
										with torch.no_grad():
														lowercase    :      Union[str, Any]       = model(**__magic_name__				)

										# verify the logits
										lowercase    :      Optional[int]       = torch.Size((1, 1_000)				)
										self.assertEqual(outputs.logits.shape			, __magic_name__				)

										lowercase    :      Optional[Any]       = torch.tensor([[-2.17_03E00, 2.11_07E00, -2.08_11E00]]				).to(__magic_name__				)
										self.assertTrue(torch.allclose(outputs.logits[0, :3]			, __magic_name__			, atol=1E-4				)				)
