


"""simple docstring"""
import gym
import numpy as np
import torch
from mujoco_py import GlfwContext

from transformers import DecisionTransformerModel


GlfwContext(offscreen=True)  # Create a window to init GLFW.






def 						lowercase				(	_snake_case		: Tuple	,  _snake_case		: Tuple	,  _snake_case		: Optional[Any]	,  _snake_case		: str	,  _snake_case		: int	,  _snake_case		: List[str]	)	->Optional[int]:
	"""simple docstring"""





	__snake_case      :		Dict         =							states.reshape(1	,  -1	,  model.config.state_dim	)
	__snake_case      :		List[str]         =							actions.reshape(1	,  -1	,  model.config.act_dim	)
	__snake_case      :		Union[str, Any]         =							returns_to_go.reshape(1	,  -1	,  1	)
	__snake_case      :		Any         =							timesteps.reshape(1	,  -1	)

	if model.config.max_length is not None:
		__snake_case      :		Union[str, Any]         =							states[:, -model.config.max_length :]
		__snake_case      :		Any         =							actions[:, -model.config.max_length :]
		__snake_case      :		Tuple         =							returns_to_go[:, -model.config.max_length :]
		__snake_case      :		Union[str, Any]         =							timesteps[:, -model.config.max_length :]

		# pad all tokens to sequence length
		__snake_case      :		Dict         =							torch.cat(
		    [torch.zeros(model.config.max_length - states.shape[1]	), torch.ones(states.shape[1]	)]	)
		__snake_case      :		str         =							attention_mask.to(dtype=torch.long	,  device=states.device	).reshape(1	,  -1	)
		__snake_case      :		Dict         =							torch.cat(
		    [
		        torch.zeros(
		            (states.shape[0], model.config.max_length - states.shape[1], model.config.state_dim)	,  device=states.device	,  ),
		        states,
		    ]	,  dim=1	,  ).to(dtype=torch.floataa	)
		__snake_case      :		Tuple         =							torch.cat(
		    [
		        torch.zeros(
		            (actions.shape[0], model.config.max_length - actions.shape[1], model.config.act_dim)	,  device=actions.device	,  ),
		        actions,
		    ]	,  dim=1	,  ).to(dtype=torch.floataa	)
		__snake_case      :		str         =							torch.cat(
		    [
		        torch.zeros(
		            (returns_to_go.shape[0], model.config.max_length - returns_to_go.shape[1], 1)	,  device=returns_to_go.device	,  ),
		        returns_to_go,
		    ]	,  dim=1	,  ).to(dtype=torch.floataa	)
		__snake_case      :		Union[str, Any]         =							torch.cat(
		    [
		        torch.zeros(
		            (timesteps.shape[0], model.config.max_length - timesteps.shape[1])	,  device=timesteps.device	),
		        timesteps,
		    ]	,  dim=1	,  ).to(dtype=torch.long	)
	else:
		__snake_case      :		int         =							None

	__snake_case      ,				__snake_case      ,				__snake_case      :		Optional[int]         =							model(
	    states=_snake_case	,  actions=_snake_case	,  rewards=_snake_case	,  returns_to_go=_snake_case	,  timesteps=_snake_case	,  attention_mask=_snake_case	,  return_dict=_snake_case	,  )

	return action_preds[0, -1]


# build the environment

SCREAMING_SNAKE_CASE					:       Optional[Any]							   =							gym.make("""Hopper-v3""")
SCREAMING_SNAKE_CASE					:       List[str]							   =							env.observation_space.shape[0]
SCREAMING_SNAKE_CASE					:       Union[str, Any]							   =							env.action_space.shape[0]
SCREAMING_SNAKE_CASE					:       Optional[int]							   =							1000
SCREAMING_SNAKE_CASE					:       Tuple							   =							"""cuda"""
SCREAMING_SNAKE_CASE					:       List[Any]							   =							1_000.0  # normalization for rewards/returns
SCREAMING_SNAKE_CASE					:       Union[str, Any]							   =							3600 / scale  # evaluation conditioning targets, 3600 is reasonable from the paper LINK
SCREAMING_SNAKE_CASE					:       Union[str, Any]							   =							np.array(
    [
        1.311_279,
        -0.08_469_521,
        -0.5_382_719,
        -0.07_201_576,
        0.04_932_366,
        2.1_066_856,
        -0.15_017_354,
        0.00_878_345,
        -0.2_848_186,
        -0.18_540_096,
        -0.28_461_286,
    ]
)
SCREAMING_SNAKE_CASE					:       List[Any]							   =							np.array(
    [
        0.17_790_751,
        0.05_444_621,
        0.21_297_139,
        0.14_530_419,
        0.6_124_444,
        0.85_174_465,
        1.4_515_252,
        0.6_751_696,
        1.536_239,
        1.6_160_746,
        5.6_072_536,
    ]
)
SCREAMING_SNAKE_CASE					:       List[str]							   =							torch.from_numpy(state_mean).to(device=device)
SCREAMING_SNAKE_CASE					:       Union[str, Any]							   =							torch.from_numpy(state_std).to(device=device)

# Create the decision transformer model
SCREAMING_SNAKE_CASE					:       List[Any]							   =							DecisionTransformerModel.from_pretrained("""edbeeching/decision-transformer-gym-hopper-medium""")
SCREAMING_SNAKE_CASE					:       Optional[int]							   =							model.to(device)
model.eval()

for ep in range(10):
			SCREAMING_SNAKE_CASE   ,    SCREAMING_SNAKE_CASE					:       str							   =							0, 0
			SCREAMING_SNAKE_CASE					:       int							   =							env.reset()
			SCREAMING_SNAKE_CASE					:       Optional[int]							   =							torch.tensor(TARGET_RETURN, device=device, dtype=torch.floataa).reshape(1, 1)
			SCREAMING_SNAKE_CASE					:       str							   =							torch.from_numpy(state).reshape(1, state_dim).to(device=device, dtype=torch.floataa)
			SCREAMING_SNAKE_CASE					:       Tuple							   =							torch.zeros((0, act_dim), device=device, dtype=torch.floataa)
			SCREAMING_SNAKE_CASE					:       Optional[int]							   =							torch.zeros(0, device=device, dtype=torch.floataa)

			SCREAMING_SNAKE_CASE					:       int							   =							torch.tensor(0, device=device, dtype=torch.long).reshape(1, 1)
			for t in range(max_ep_len):
						env.render()
						# add padding
						SCREAMING_SNAKE_CASE					:       str							   =							torch.cat([actions, torch.zeros((1, act_dim), device=device)], dim=0)
						SCREAMING_SNAKE_CASE					:       List[Any]							   =							torch.cat([rewards, torch.zeros(1, device=device)])

						SCREAMING_SNAKE_CASE					:       Dict							   =							get_action(
						    model,
						    (states.to(dtype=torch.floataa) - state_mean) / state_std,
						    actions.to(dtype=torch.floataa),
						    rewards.to(dtype=torch.floataa),
						    target_return.to(dtype=torch.floataa),
						    timesteps.to(dtype=torch.long),
						)
						SCREAMING_SNAKE_CASE					:       Optional[int]							   =							action
						SCREAMING_SNAKE_CASE					:       List[Any]							   =							action.detach().cpu().numpy()

						SCREAMING_SNAKE_CASE   ,    SCREAMING_SNAKE_CASE   ,    SCREAMING_SNAKE_CASE   ,    SCREAMING_SNAKE_CASE					:       List[str]							   =							env.step(action)

						SCREAMING_SNAKE_CASE					:       Dict							   =							torch.from_numpy(state).to(device=device).reshape(1, state_dim)
						SCREAMING_SNAKE_CASE					:       int							   =							torch.cat([states, cur_state], dim=0)
						SCREAMING_SNAKE_CASE					:       List[str]							   =							reward

						SCREAMING_SNAKE_CASE					:       Union[str, Any]							   =							target_return[0, -1] - (reward / scale)
						SCREAMING_SNAKE_CASE					:       Dict							   =							torch.cat([target_return, pred_return.reshape(1, 1)], dim=1)
						SCREAMING_SNAKE_CASE					:       List[Any]							   =							torch.cat([timesteps, torch.ones((1, 1), device=device, dtype=torch.long) * (t + 1)], dim=1)

						episode_return += reward
						episode_length += 1

						if done:
									break








'''simple docstring'''

from __future__ import annotations

import inspect
import unittest
from typing import List, Tuple

from transformers import ConvNextConfig
from transformers.testing_utils import require_tf, require_vision, slow
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 import TFConvNextForImageClassification, TFConvNextModel


if is_vision_available():
						from PIL import Image

						from transformers import ConvNextImageProcessor







class lowerCamelCase   :

				def __init__(       self,						lowercase_,						lowercase_=13,						lowercase_=32,						lowercase_=3,						lowercase_=4,						lowercase_=[10, 20, 30, 40],						lowercase_=[2, 2, 3, 2],						lowercase_=True,						lowercase_=True,						lowercase_=37,						lowercase_="gelu",						lowercase_=10,						lowercase_=0.02,						lowercase_=3,						lowercase_=None,						)    ->							Dict:
					snake_case							=					parent
					snake_case							=					batch_size
					snake_case							=					image_size
					snake_case							=					num_channels
					snake_case							=					num_stages
					snake_case							=					hidden_sizes
					snake_case							=					depths
					snake_case							=					is_training
					snake_case							=					use_labels
					snake_case							=					intermediate_size
					snake_case							=					hidden_act
					snake_case							=					type_sequence_label_size
					snake_case							=					initializer_range
					snake_case							=					scope

				def 					_lowerCamelCase    (       self )    ->							List[Any]:
					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 )    ->							Any:
					return ConvNextConfig(
					    num_channels=self.num_channels,						hidden_sizes=self.hidden_sizes,						depths=self.depths,						num_stages=self.num_stages,						hidden_act=self.hidden_act,						is_decoder=lowercase_,						initializer_range=self.initializer_range,						)

				def 					_lowerCamelCase    (       self,						lowercase_,						lowercase_,						lowercase_ )    ->							List[Any]:
					snake_case							=					TFConvNextModel(config=lowercase_ )
					snake_case							=					model(lowercase_,						training=lowercase_ )
					# expected last hidden states: B, C, H // 32, W // 32
					self.parent.assertEqual(
					    result.last_hidden_state.shape,						(self.batch_size, self.hidden_sizes[-1], self.image_size // 32, self.image_size // 32),						)

				def 					_lowerCamelCase    (       self,						lowercase_,						lowercase_,						lowercase_ )    ->							Union[str, Any]:
					snake_case							=					self.type_sequence_label_size
					snake_case							=					TFConvNextForImageClassification(lowercase_ )
					snake_case							=					model(lowercase_,						labels=lowercase_,						training=lowercase_ )
					self.parent.assertEqual(result.logits.shape,						(self.batch_size, self.type_sequence_label_size) )






				def 					_lowerCamelCase    (       self )    ->							Optional[int]:
					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   (    __lowerCAmelCase				,				__lowerCAmelCase				,				unittest.TestCase				):
				snake_case_							     = (TFConvNextModel, TFConvNextForImageClassification) if is_tf_available() else ()
				snake_case_							     = (
				    {'''feature-extraction''': TFConvNextModel, '''image-classification''': TFConvNextForImageClassification}
				    if is_tf_available()
				    else {}
				)

				snake_case_							     = False
				snake_case_							     = False
				snake_case_							     = False
				snake_case_							     = False
				snake_case_							     = False

				def 					_lowerCamelCase    (       self )    ->							str:
					snake_case							=					TFConvNextModelTester(self )
					snake_case							=					ConfigTester(
					    self,						config_class=lowercase_,						has_text_modality=lowercase_,						hidden_size=37,						)

				@unittest.skip(reason='ConvNext does not use inputs_embeds' )
				def 					_lowerCamelCase    (       self )    ->							Tuple:
					pass

				@unittest.skipIf(
				    not is_tf_available() or len(tf.config.list_physical_devices('GPU' ) ) == 0,						reason='TF does not support backprop for grouped convolutions on CPU.',						)
				@slow
				def 					_lowerCamelCase    (       self )    ->							Optional[Any]:
					super().test_keras_fit()

				@unittest.skip(reason='ConvNext does not support input and output embeddings' )
				def 					_lowerCamelCase    (       self )    ->							Dict:
					pass

				def 					_lowerCamelCase    (       self )    ->							List[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(lowercase_ )
						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],						lowercase_ )

				def 					_lowerCamelCase    (       self )    ->							str:
					snake_case							=					self.model_tester.prepare_config_and_inputs()
					self.model_tester.create_and_check_model(*lowercase_ )

				@unittest.skipIf(
				    not is_tf_available() or len(tf.config.list_physical_devices('GPU' ) ) == 0,						reason='TF does not support backprop for grouped convolutions on CPU.',						)
				def 					_lowerCamelCase    (       self )    ->							Optional[int]:
					super().test_dataset_conversion()

				def 					_lowerCamelCase    (       self )    ->							Union[str, Any]:
					def check_hidden_states_output(lowercase_,						lowercase_,						lowercase_ ):
						snake_case							=					model_class(lowercase_ )

						snake_case							=					model(**self._prepare_for_class(lowercase_,						lowercase_ ) )
						snake_case							=					outputs.encoder_hidden_states if config.is_encoder_decoder else outputs.hidden_states

						snake_case							=					self.model_tester.num_stages
						self.assertEqual(len(lowercase_ ),						expected_num_stages + 1 )

						# ConvNext's feature maps are of shape (batch_size, num_channels, height, width)
						self.assertListEqual(
						    list(hidden_states[0].shape[-2:] ),						[self.model_tester.image_size // 4, self.model_tester.image_size // 4],						)

					snake_case			,			snake_case							=					self.model_tester.prepare_config_and_inputs_for_common()

					for model_class in self.all_model_classes:
						snake_case							=					True
						check_hidden_states_output(lowercase_,						lowercase_,						lowercase_ )

						# check that output_hidden_states also work using config
						del inputs_dict["output_hidden_states"]
						snake_case							=					True

						check_hidden_states_output(lowercase_,						lowercase_,						lowercase_ )

				def 					_lowerCamelCase    (       self )    ->							Dict:
					snake_case			,			snake_case							=					self.model_tester.prepare_config_and_inputs_for_common()

					def check_equivalence(lowercase_,						lowercase_,						lowercase_,						lowercase_={} ):
						snake_case							=					model(lowercase_,						return_dict=lowercase_,						**lowercase_ )
						snake_case							=					model(lowercase_,						return_dict=lowercase_,						**lowercase_ ).to_tuple()

						def recursive_check(lowercase_,						lowercase_ ):
							if isinstance(lowercase_,						(List, Tuple) ):
								for tuple_iterable_value, dict_iterable_value in zip(lowercase_,						lowercase_ ):
									recursive_check(lowercase_,						lowercase_ )
							elif tuple_object is None:
								return
							else:
								self.assertTrue(
								    all(tf.equal(lowercase_,						lowercase_ ) ),						msg=(
								        'Tuple and dict output are not equal. Difference:'
								        F''' {tf.math.reduce_max(tf.abs(tuple_object - dict_object ) )}'''
								    ),						)

							recursive_check(lowercase_,						lowercase_ )

					for model_class in self.all_model_classes:
						snake_case							=					model_class(lowercase_ )

						snake_case							=					self._prepare_for_class(lowercase_,						lowercase_ )
						snake_case							=					self._prepare_for_class(lowercase_,						lowercase_ )
						check_equivalence(lowercase_,						lowercase_,						lowercase_ )

						snake_case							=					self._prepare_for_class(lowercase_,						lowercase_,						return_labels=lowercase_ )
						snake_case							=					self._prepare_for_class(lowercase_,						lowercase_,						return_labels=lowercase_ )
						check_equivalence(lowercase_,						lowercase_,						lowercase_ )

						snake_case							=					self._prepare_for_class(lowercase_,						lowercase_ )
						snake_case							=					self._prepare_for_class(lowercase_,						lowercase_ )
						check_equivalence(lowercase_,						lowercase_,						lowercase_,						{'output_hidden_states': True} )

						snake_case							=					self._prepare_for_class(lowercase_,						lowercase_,						return_labels=lowercase_ )
						snake_case							=					self._prepare_for_class(lowercase_,						lowercase_,						return_labels=lowercase_ )
						check_equivalence(lowercase_,						lowercase_,						lowercase_,						{'output_hidden_states': True} )

				def 					_lowerCamelCase    (       self )    ->							List[str]:
					snake_case							=					self.model_tester.prepare_config_and_inputs()
					self.model_tester.create_and_check_for_image_classification(*lowercase_ )






				@slow
				def 					_lowerCamelCase    (       self )    ->							str:
					snake_case							=					TFConvNextModel.from_pretrained('facebook/convnext-tiny-224' )
					self.assertIsNotNone(lowercase_ )

def      __magic_name__							(			)      ->		Optional[int]:
	snake_case							=					Image.open('./tests/fixtures/tests_samples/COCO/000000039769.png'				)
	return image







@require_tf
@require_vision
class lowerCamelCase   (    unittest.TestCase				):

				@cached_property
				def 					_lowerCamelCase    (       self )    ->							List[str]:
					return ConvNextImageProcessor.from_pretrained('facebook/convnext-tiny-224' ) if is_vision_available() else None






				@slow
				def 					_lowerCamelCase    (       self )    ->							Dict:
					snake_case							=					TFConvNextForImageClassification.from_pretrained('facebook/convnext-tiny-224' )

					snake_case							=					self.default_image_processor
					snake_case							=					prepare_img()
					snake_case							=					image_processor(images=lowercase_,						return_tensors='tf' )

					# forward pass
					snake_case							=					model(**lowercase_ )

					# verify the logits
					snake_case							=					tf.TensorShape((1, 1000) )
					self.assertEqual(outputs.logits.shape,						lowercase_ )

					snake_case							=					tf.constant([-0.0_260, -0.4_739, 0.1_911] )

					tf.debugging.assert_near(outputs.logits[0, :3],						lowercase_,						atol=1E-4 )





