


"""simple docstring"""






import inspect
import unittest

from transformers import SwinaSRConfig
from transformers.testing_utils import require_torch, require_vision, slow, torch_device
from transformers.utils import is_torch_available, is_vision_available

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


if is_torch_available():
					import torch
					from torch import nn

					from transformers import SwinaSRForImageSuperResolution, SwinaSRModel
					from transformers.models.swinasr.modeling_swinasr import SWIN2SR_PRETRAINED_MODEL_ARCHIVE_LIST

if is_vision_available():
					from PIL import Image

					from transformers import SwinaSRImageProcessor


class 			SCREAMING_SNAKE_CASE_  :




							'''simple docstring'''





							def __init__(						self	,					lowerCamelCase__	,					lowerCamelCase__=13	,					lowerCamelCase__=32	,					lowerCamelCase__=1	,					lowerCamelCase__=3	,					lowerCamelCase__=16	,					lowerCamelCase__=[1, 2, 1]	,					lowerCamelCase__=[2, 2, 4]	,					lowerCamelCase__=2	,					lowerCamelCase__=2.0	,					lowerCamelCase__=True	,					lowerCamelCase__=0.0	,					lowerCamelCase__=0.0	,					lowerCamelCase__=0.1	,					lowerCamelCase__="gelu"	,					lowerCamelCase__=False	,					lowerCamelCase__=True	,					lowerCamelCase__=0.02	,					lowerCamelCase__=1E-5	,					lowerCamelCase__=True	,					lowerCamelCase__=None	,					lowerCamelCase__=False	,					lowerCamelCase__=2	,					)   ->	Optional[Any]:







								'''simple docstring'''




								snake_case__  :						int		=      parent
								snake_case__  :						int		=      batch_size
								snake_case__  :						List[str]		=      image_size
								snake_case__  :						List[str]		=      patch_size
								snake_case__  :						int		=      num_channels
								snake_case__  :						Dict		=      embed_dim
								snake_case__  :						Tuple		=      depths
								snake_case__  :						Any		=      num_heads
								snake_case__  :						List[str]		=      window_size
								snake_case__  :						str		=      mlp_ratio
								snake_case__  :						Union[str, Any]		=      qkv_bias
								snake_case__  :						Union[str, Any]		=      hidden_dropout_prob
								snake_case__  :						Optional[Any]		=      attention_probs_dropout_prob
								snake_case__  :						str		=      drop_path_rate
								snake_case__  :						Dict		=      hidden_act
								snake_case__  :						Tuple		=      use_absolute_embeddings
								snake_case__  :						Optional[int]		=      patch_norm
								snake_case__  :						Optional[Any]		=      layer_norm_eps
								snake_case__  :						List[str]		=      initializer_range
								snake_case__  :						Tuple		=      is_training
								snake_case__  :						Union[str, Any]		=      scope
								snake_case__  :						List[Any]		=      use_labels
								snake_case__  :						int		=      upscale

								# here we set some attributes to make tests pass
								snake_case__  :						Any		=      len(lowerCamelCase__)
								snake_case__  :						List[Any]		=      embed_dim
								snake_case__  :						List[str]		=      (image_size // patch_size) ** 2




							def        UpperCAmelCase (						self)   ->	List[Any]:







								'''simple docstring'''




								snake_case__  :						List[str]		=      floats_tensor([self.batch_size, self.num_channels, self.image_size, self.image_size])

								snake_case__  :						Dict		=      None
								if self.use_labels:
									snake_case__  :						List[str]		=      ids_tensor([self.batch_size]	,					self.type_sequence_label_size)

								snake_case__  :						str		=      self.get_config()

								return config, pixel_values, labels




							def        UpperCAmelCase (						self)   ->	Optional[Any]:







								'''simple docstring'''




								return SwinaSRConfig(
								    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	,					upscale=self.upscale	,					)




							def        UpperCAmelCase (						self	,					lowerCamelCase__	,					lowerCamelCase__	,					lowerCamelCase__)   ->	List[Any]:







								'''simple docstring'''




								snake_case__  :						Optional[int]		=      SwinaSRModel(config=lowerCamelCase__)
								model.to(lowerCamelCase__)
								model.eval()
								snake_case__  :						Optional[Any]		=      model(lowerCamelCase__)

								self.parent.assertEqual(
								    result.last_hidden_state.shape	,					(self.batch_size, self.embed_dim, self.image_size, self.image_size))




							def        UpperCAmelCase (						self	,					lowerCamelCase__	,					lowerCamelCase__	,					lowerCamelCase__)   ->	Optional[Any]:







								'''simple docstring'''




								snake_case__  :						Optional[int]		=      SwinaSRForImageSuperResolution(lowerCamelCase__)
								model.to(lowerCamelCase__)
								model.eval()
								snake_case__  :						List[str]		=      model(lowerCamelCase__)

								snake_case__  :						str		=      self.image_size * self.upscale
								self.parent.assertEqual(
								    result.reconstruction.shape	,					(self.batch_size, self.num_channels, expected_image_size, expected_image_size))







							def        UpperCAmelCase (						self)   ->	Optional[Any]:







								'''simple docstring'''




								snake_case__  :						Dict		=      self.prepare_config_and_inputs()
								snake_case__,					snake_case__,					snake_case__  :						str		=      config_and_inputs
								snake_case__  :						List[str]		=      {"pixel_values": pixel_values}
								return config, inputs_dict


@require_torch
class 			SCREAMING_SNAKE_CASE_  (   _lowercase	,      _lowercase	,      unittest.TestCase):




							'''simple docstring'''





							__magic_name__					:     List[str]				  =  (SwinaSRModel, SwinaSRForImageSuperResolution) if is_torch_available() else ()
							__magic_name__					:     List[Any]				  =  {'''feature-extraction''': SwinaSRModel} if is_torch_available() else {}

							__magic_name__					:     Any				  =  False
							__magic_name__					:     str				  =  False
							__magic_name__					:     Optional[Any]				  =  False
							__magic_name__					:     List[Any]				  =  False
							__magic_name__					:     Any				  =  False




							def        UpperCAmelCase (						self)   ->	int:







								'''simple docstring'''




								snake_case__  :						Tuple		=      SwinaSRModelTester(self)
								snake_case__  :						Union[str, Any]		=      ConfigTester(self	,					config_class=lowerCamelCase__	,					embed_dim=37)




							def        UpperCAmelCase (						self)   ->	Union[str, Any]:







								'''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        UpperCAmelCase (						self)   ->	Any:







								'''simple docstring'''




								snake_case__  :						List[str]		=      self.model_tester.prepare_config_and_inputs()
								self.model_tester.create_and_check_model(*lowerCamelCase__)




							def        UpperCAmelCase (						self)   ->	Dict:







								'''simple docstring'''




								snake_case__  :						Optional[int]		=      self.model_tester.prepare_config_and_inputs()
								self.model_tester.create_and_check_for_image_super_resolution(*lowerCamelCase__)




							@unittest.skip(reason="Got `CUDA error: misaligned address` with PyTorch 2.0.0.")
							def        UpperCAmelCase (						self)   ->	Tuple:







								'''simple docstring'''




								pass




							@unittest.skip(reason="Swin2SR does not use inputs_embeds")
							def        UpperCAmelCase (						self)   ->	Union[str, Any]:







								'''simple docstring'''




								pass




							@unittest.skip(reason="Swin2SR does not support training yet")
							def        UpperCAmelCase (						self)   ->	str:







								'''simple docstring'''




								pass




							@unittest.skip(reason="Swin2SR does not support training yet")
							def        UpperCAmelCase (						self)   ->	int:







								'''simple docstring'''




								pass




							def        UpperCAmelCase (						self)   ->	List[Any]:







								'''simple docstring'''




								snake_case__,					snake_case__  :						Tuple		=      self.model_tester.prepare_config_and_inputs_for_common()

								for model_class in self.all_model_classes:
									snake_case__  :						Optional[int]		=      model_class(lowerCamelCase__)
									self.assertIsInstance(model.get_input_embeddings()	,					(nn.Module))
									snake_case__  :						Union[str, Any]		=      model.get_output_embeddings()
									self.assertTrue(x is None or isinstance(lowerCamelCase__	,					nn.Linear))




							def        UpperCAmelCase (						self)   ->	Tuple:







								'''simple docstring'''




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

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

									snake_case__  :						Dict		=      ["pixel_values"]
									self.assertListEqual(arg_names[:1]	,					lowerCamelCase__)




							@slow
							def        UpperCAmelCase (						self)   ->	Optional[int]:







								'''simple docstring'''




								for model_name in SWIN2SR_PRETRAINED_MODEL_ARCHIVE_LIST[:1]:
									snake_case__  :						Union[str, Any]		=      SwinaSRModel.from_pretrained(lowerCamelCase__)
									self.assertIsNotNone(lowerCamelCase__)




							def        UpperCAmelCase (						self)   ->	List[Any]:







								'''simple docstring'''




								snake_case__,					snake_case__  :						int		=      self.model_tester.prepare_config_and_inputs_for_common()

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







							def        UpperCAmelCase (						self)   ->	List[Any]:







								'''simple docstring'''




								snake_case__,					snake_case__  :						int		=      self.model_tester.prepare_config_and_inputs_for_common()
								snake_case__  :						int		=      True

								for model_class in self.all_model_classes:
									snake_case__  :						Tuple		=      True
									snake_case__  :						List[str]		=      False
									snake_case__  :						Optional[Any]		=      True
									snake_case__  :						Dict		=      model_class(lowerCamelCase__)
									model.to(lowerCamelCase__)
									model.eval()
									with torch.no_grad():
										snake_case__  :						Optional[int]		=      model(**self._prepare_for_class(lowerCamelCase__	,					lowerCamelCase__))
									snake_case__  :						Dict		=      outputs.attentions
									snake_case__  :						List[Any]		=      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__  :						Optional[Any]		=      True
									snake_case__  :						Optional[Any]		=      config.window_size**2
									snake_case__  :						int		=      model_class(lowerCamelCase__)
									model.to(lowerCamelCase__)
									model.eval()
									with torch.no_grad():
										snake_case__  :						Union[str, Any]		=      model(**self._prepare_for_class(lowerCamelCase__	,					lowerCamelCase__))
									snake_case__  :						List[Any]		=      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__  :						int		=      len(lowerCamelCase__)

									# Check attention is always last and order is fine
									snake_case__  :						Optional[int]		=      True
									snake_case__  :						Tuple		=      True
									snake_case__  :						Optional[int]		=      model_class(lowerCamelCase__)
									model.to(lowerCamelCase__)
									model.eval()
									with torch.no_grad():
										snake_case__  :						Union[str, Any]		=      model(**self._prepare_for_class(lowerCamelCase__	,					lowerCamelCase__))

									self.assertEqual(out_len + 1	,					len(lowerCamelCase__))

									snake_case__  :						Dict		=      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]	,					)


@require_vision
@require_torch
@slow
class 			SCREAMING_SNAKE_CASE_  (   unittest.TestCase):




							'''simple docstring'''





							def        UpperCAmelCase (						self)   ->	str:







								'''simple docstring'''




								snake_case__  :						int		=      SwinaSRImageProcessor()
								snake_case__  :						Optional[Any]		=      SwinaSRForImageSuperResolution.from_pretrained("caidas/swin2SR-classical-sr-x2-64").to(lowerCamelCase__)

								snake_case__  :						str		=      Image.open("./tests/fixtures/tests_samples/COCO/000000039769.png")
								snake_case__  :						int		=      processor(images=lowerCamelCase__	,					return_tensors="pt").to(lowerCamelCase__)

								# forward pass
								with torch.no_grad():
									snake_case__  :						List[str]		=      model(**lowerCamelCase__)

								# verify the logits
								snake_case__  :						List[str]		=      torch.Size([1, 3, 976, 1_296])
								self.assertEqual(outputs.reconstruction.shape	,					lowerCamelCase__)
								snake_case__  :						Any		=      torch.tensor(
								    [[0.54_58, 0.55_46, 0.56_38], [0.55_26, 0.55_65, 0.56_51], [0.53_96, 0.54_26, 0.56_21]]).to(lowerCamelCase__)
								self.assertTrue(torch.allclose(outputs.reconstruction[0, 0, :3, :3]	,					lowerCamelCase__	,					atol=1E-4))






from __future__ import annotations

import random

from matplotlib import animation
from matplotlib import pyplot as plt

# Frame rate of the animation
__snake_case         =     20

# Time between time steps in seconds
__snake_case         =     INTERVAL / 10_00







class       __snake_case :
 def __init__(	self		, snake_case__		, snake_case__		, snake_case__		, snake_case__		, snake_case__ = 1.0		, snake_case__ = 1.0		, snake_case__ = "blue"		, )						->				None:
       '''simple docstring'''





       UpperCAmelCase     :			Any     	=position_x
       UpperCAmelCase     :			Dict     	=position_y
       UpperCAmelCase     :			List[Any]     	=velocity_x
       UpperCAmelCase     :			Optional[int]     	=velocity_y
       UpperCAmelCase     :			List[str]     	=mass
       UpperCAmelCase     :			Any     	=size
       UpperCAmelCase     :			List[str]     	=color
 @property
 def 						UpperCAmelCase__							(	self    )						->				tuple[float, float]:
       '''simple docstring'''





       return self.position_x, self.position_y
 @property
 def 						UpperCAmelCase__							(	self    )						->				tuple[float, float]:
       '''simple docstring'''





       return self.velocity_x, self.velocity_y
 def 						UpperCAmelCase__							(	self		, snake_case__		, snake_case__		, snake_case__    )						->				None:
       '''simple docstring'''





       self.velocity_x += force_x * delta_time
       self.velocity_y += force_y * delta_time






 def 						UpperCAmelCase__							(	self		, snake_case__    )						->				None:
       '''simple docstring'''





       self.position_x += self.velocity_x * delta_time
       self.position_y += self.velocity_y * delta_time







class       __snake_case :
 def __init__(	self		, snake_case__		, snake_case__ = 1.0		, snake_case__ = 1.0		, snake_case__ = 0.0		, )						->				None:
       '''simple docstring'''





       UpperCAmelCase     :			Tuple     	=bodies
       UpperCAmelCase     :			List[str]     	=gravitation_constant
       UpperCAmelCase     :			int     	=time_factor
       UpperCAmelCase     :			List[Any]     	=softening_factor
 def __len__(	self    )						->				int:
       '''simple docstring'''





       return len(self.bodies    )






 def 						UpperCAmelCase__							(	self		, snake_case__    )						->				None:
       '''simple docstring'''





       for bodya in self.bodies:
             UpperCAmelCase     :			Tuple     	=0.0
             UpperCAmelCase     :			Union[str, Any]     	=0.0
             for bodya in self.bodies:
                   if bodya != bodya:
                         UpperCAmelCase     :			Optional[Any]     	=bodya.position_x - bodya.position_x
                         UpperCAmelCase     :			Any     	=bodya.position_y - bodya.position_y

                         # Calculation of the distance using Pythagoras's theorem
                         # Extra factor due to the softening technique
                         UpperCAmelCase     :			Optional[Any]     	=(dif_x**2 + dif_y**2 + self.softening_factor) ** (
                             1 / 2
                         )

                         # Newton's law of universal gravitation.
                         force_x += (
                             self.gravitation_constant * bodya.mass * dif_x / distance**3
                         )
                         force_y += (
                             self.gravitation_constant * bodya.mass * dif_y / distance**3
                         )

            # Update the body's velocity once all the force components have been added
             bodya.update_velocity(snake_case__		, snake_case__		, delta_time * self.time_factor    )

       # Update the positions only after all the velocities have been updated
       for body in self.bodies:
             body.update_position(delta_time * self.time_factor    )





def 	lowerCAmelCase_			(					__lowerCAmelCase		,       __lowerCAmelCase		,       __lowerCAmelCase    )->	None:






      '''simple docstring'''





      body_system.update_system(__lowerCAmelCase    )

      # Update the positions of the patches
      for patch, body in zip(__lowerCAmelCase		,       body_system.bodies    ):
            UpperCAmelCase     :			Dict     	=(body.position_x, body.position_y)





def 	lowerCAmelCase_			(					__lowerCAmelCase		,       __lowerCAmelCase		,       __lowerCAmelCase = -1		,       __lowerCAmelCase = 1		,       __lowerCAmelCase = -1		,       __lowerCAmelCase = 1		,       )->	None:






      '''simple docstring'''





      UpperCAmelCase     :			Optional[Any]     	=plt.figure()
      fig.canvas.set_window_title(__lowerCAmelCase    )
      UpperCAmelCase     :			Dict     	=plt.axes(
          xlim=(x_start, x_end)		,       ylim=(y_start, y_end)    )  # Set section to be plotted
      plt.gca().set_aspect('''equal'''    )  # Fix aspect ratio

      # Each body is drawn as a patch by the plt-function
      UpperCAmelCase     :			Tuple     	=[
          plt.Circle((body.position_x, body.position_y)		,       body.size		,       fc=body.color    )
          for body in body_system.bodies
      ]

      for patch in patches:
            ax.add_patch(__lowerCAmelCase    )

      # Function called at each step of the animation
      def update(__lowerCAmelCase    ) -> list[plt.Circle]:
            update_step(__lowerCAmelCase		,       __lowerCAmelCase		,       __lowerCAmelCase    )
            return patches

      UpperCAmelCase     :			List[Any]     	=animation.FuncAnimation(  # noqa: F841
          __lowerCAmelCase		,       __lowerCAmelCase		,       interval=__lowerCAmelCase		,       blit=__lowerCAmelCase    )

      plt.show()





def 	lowerCAmelCase_			(					)->	BodySystem:






      '''simple docstring'''





      UpperCAmelCase     :			int     	=0.9700436
      UpperCAmelCase     :			Dict     	=-0.24308753
      UpperCAmelCase     :			List[Any]     	=0.466203685
      UpperCAmelCase     :			Dict     	=0.43236573

      UpperCAmelCase     :			Optional[Any]     	=[
          Body(__lowerCAmelCase		,       __lowerCAmelCase		,       __lowerCAmelCase		,       __lowerCAmelCase		,       size=0.2		,       color='''red'''    ),
          Body(-position_x		,       -position_y		,       __lowerCAmelCase		,       __lowerCAmelCase		,       size=0.2		,       color='''green'''    ),
          Body(0		,       0		,       -2 * velocity_x		,       -2 * velocity_y		,       size=0.2		,       color='''blue'''    ),
      ]
      return BodySystem(__lowerCAmelCase		,       time_factor=3    )





def 	lowerCAmelCase_			(					)->	BodySystem:






      '''simple docstring'''





      UpperCAmelCase     :			List[str]     	=7.3_4_7_6e2_2
      UpperCAmelCase     :			Tuple     	=5.9_7_2e2_4
      UpperCAmelCase     :			str     	=10_22
      UpperCAmelCase     :			Any     	=3_84_39_90_00
      UpperCAmelCase     :			List[Any]     	=6.6_7_4e-1_1

      # Calculation of the respective velocities so that total impulse is zero,
      # i.e. the two bodies together don't move
      UpperCAmelCase     :			Optional[int]     	=earth_mass * velocity_dif / (earth_mass + moon_mass)
      UpperCAmelCase     :			Optional[Any]     	=moon_velocity - velocity_dif

      UpperCAmelCase     :			Optional[int]     	=Body(-earth_moon_distance		,       0		,       0		,       __lowerCAmelCase		,       __lowerCAmelCase		,       10_00_00_00		,       '''grey'''    )
      UpperCAmelCase     :			Dict     	=Body(0		,       0		,       0		,       __lowerCAmelCase		,       __lowerCAmelCase		,       50_00_00_00		,       '''blue'''    )
      return BodySystem([earth, moon]		,       __lowerCAmelCase		,       time_factor=1_00_00_00    )





def 	lowerCAmelCase_			(					)->	BodySystem:






      '''simple docstring'''





      UpperCAmelCase     :			Optional[int]     	=[]
      for _ in range(10    ):
            UpperCAmelCase     :			Union[str, Any]     	=random.uniform(-0.5		,       0.5    )
            UpperCAmelCase     :			List[Any]     	=random.uniform(-0.5		,       0.5    )

            # Bodies are created pairwise with opposite velocities so that the
            # total impulse remains zero
            bodies.append(
                Body(
                    random.uniform(-0.5		,       0.5    )		,       random.uniform(-0.5		,       0.5    )		,       __lowerCAmelCase		,       __lowerCAmelCase		,       size=0.05		,       )    )
            bodies.append(
                Body(
                    random.uniform(-0.5		,       0.5    )		,       random.uniform(-0.5		,       0.5    )		,       -velocity_x		,       -velocity_y		,       size=0.05		,       )    )
      return BodySystem(__lowerCAmelCase		,       0.01		,       10		,       0.1    )


if __name__ == "__main__":
     plot('''Figure-8 solution to the 3-body-problem''', example_a(), -2, 2, -2, 2)
     plot(
         '''Moon\'s orbit around the earth''',
         example_a(),
         -4_30_00_00_00,
         4_30_00_00_00,
         -4_30_00_00_00,
         4_30_00_00_00,
     )
     plot('''Random system with many bodies''', example_a(), -1.5, 1.5, -1.5, 1.5)
