





import gc
import unittest

import numpy as np
import torch
from transformers import CLIPTextConfig, CLIPTextModel, XLMRobertaTokenizer

from diffusers import AltDiffusionPipeline, AutoencoderKL, DDIMScheduler, PNDMScheduler, UNetaDConditionModel
from diffusers.pipelines.alt_diffusion.modeling_roberta_series import (
    RobertaSeriesConfig,
    RobertaSeriesModelWithTransformation,
)
from diffusers.utils import slow, torch_device
from diffusers.utils.testing_utils import enable_full_determinism, require_torch_gpu

from ..pipeline_params import TEXT_TO_IMAGE_BATCH_PARAMS, TEXT_TO_IMAGE_IMAGE_PARAMS, TEXT_TO_IMAGE_PARAMS
from ..test_pipelines_common import PipelineKarrasSchedulerTesterMixin, PipelineLatentTesterMixin, PipelineTesterMixin


enable_full_determinism()
class      UpperCamelCase_						(					_lowerCamelCase							,					_lowerCamelCase							,					_lowerCamelCase							,					unittest.TestCase   ):
					lowerCAmelCase_							=		AltDiffusionPipeline
					lowerCAmelCase_							=		TEXT_TO_IMAGE_PARAMS
					lowerCAmelCase_							=		TEXT_TO_IMAGE_BATCH_PARAMS
					lowerCAmelCase_							=		TEXT_TO_IMAGE_IMAGE_PARAMS
					lowerCAmelCase_							=		TEXT_TO_IMAGE_IMAGE_PARAMS




					def 		lowerCAmelCase     (						self					)						->							Optional[Any]:
										torch.manual_seed(0					)
										_snake_case													=			UNetaDConditionModel(
										    block_out_channels=(32, 64)			,  layers_per_block=2			,  sample_size=32			,  in_channels=4			,  out_channels=4			,  down_block_types=('DownBlock2D', 'CrossAttnDownBlock2D')			,  up_block_types=('CrossAttnUpBlock2D', 'UpBlock2D')			,  cross_attention_dim=32			,  )
										_snake_case													=			DDIMScheduler(
										    beta_start=0.0_00_85			,  beta_end=0.0_12			,  beta_schedule='scaled_linear'			,  clip_sample=lowerCAmelCase_			,  set_alpha_to_one=lowerCAmelCase_			,  )
										torch.manual_seed(0					)
										_snake_case													=			AutoencoderKL(
										    block_out_channels=[32, 64]			,  in_channels=3			,  out_channels=3			,  down_block_types=['DownEncoderBlock2D', 'DownEncoderBlock2D']			,  up_block_types=['UpDecoderBlock2D', 'UpDecoderBlock2D']			,  latent_channels=4			,  )

										# TODO: address the non-deterministic text encoder (fails for save-load tests)
										# torch.manual_seed(0)
										# text_encoder_config = RobertaSeriesConfig(
										#     hidden_size=32,
										#     project_dim=32,
										#     intermediate_size=37,
										#     layer_norm_eps=1e-05,
										#     num_attention_heads=4,
										#     num_hidden_layers=5,
										#     vocab_size=5002,
										# )
										# text_encoder = RobertaSeriesModelWithTransformation(text_encoder_config)

										torch.manual_seed(0					)
										_snake_case													=			CLIPTextConfig(
										    bos_token_id=0			,  eos_token_id=2			,  hidden_size=32			,  projection_dim=32			,  intermediate_size=37			,  layer_norm_eps=1E-05			,  num_attention_heads=4			,  num_hidden_layers=5			,  pad_token_id=1			,  vocab_size=5002			,  )
										_snake_case													=			CLIPTextModel(lowerCAmelCase_					)

										_snake_case													=			XLMRobertaTokenizer.from_pretrained('hf-internal-testing/tiny-xlm-roberta'					)
										_snake_case													=			77

										_snake_case													=			{
										    'unet': unet,
										    'scheduler': scheduler,
										    'vae': vae,
										    'text_encoder': text_encoder,
										    'tokenizer': tokenizer,
										    'safety_checker': None,
										    'feature_extractor': None,
										}
										return components




					def 		lowerCAmelCase     (						self			,  lowerCAmelCase_			,  lowerCAmelCase_=0					)						->							List[str]:
										if str(lowerCAmelCase_					).startswith('mps'					):
															_snake_case													=			torch.manual_seed(lowerCAmelCase_					)
										else:
															_snake_case													=			torch.Generator(device=lowerCAmelCase_					).manual_seed(lowerCAmelCase_					)
										_snake_case													=			{
										    'prompt': 'A painting of a squirrel eating a burger',
										    'generator': generator,
										    'num_inference_steps': 2,
										    'guidance_scale': 6.0,
										    'output_type': 'numpy',
										}
										return inputs




					def 		lowerCAmelCase     (						self					)						->							List[str]:
										super().test_attention_slicing_forward_pass(expected_max_diff=3E-3					)




					def 		lowerCAmelCase     (						self					)						->							Optional[Any]:
										super().test_inference_batch_single_identical(expected_max_diff=3E-3					)




					def 		lowerCAmelCase     (						self					)						->							List[str]:
										_snake_case													=			'cpu'  # ensure determinism for the device-dependent torch.Generator

										_snake_case													=			self.get_dummy_components()
										torch.manual_seed(0					)
										_snake_case													=			RobertaSeriesConfig(
										    hidden_size=32			,  project_dim=32			,  intermediate_size=37			,  layer_norm_eps=1E-05			,  num_attention_heads=4			,  num_hidden_layers=5			,  vocab_size=5002			,  )
										# TODO: remove after fixing the non-deterministic text encoder
										_snake_case													=			RobertaSeriesModelWithTransformation(lowerCAmelCase_					)
										_snake_case													=			text_encoder

										_snake_case													=			AltDiffusionPipeline(**lowerCAmelCase_					)
										_snake_case													=			alt_pipe.to(lowerCAmelCase_					)
										alt_pipe.set_progress_bar_config(disable=lowerCAmelCase_					)

										_snake_case													=			self.get_dummy_inputs(lowerCAmelCase_					)
										_snake_case													=			'A photo of an astronaut'
										_snake_case													=			alt_pipe(**lowerCAmelCase_					)
										_snake_case													=			output.images
										_snake_case													=			image[0, -3:, -3:, -1]

										assert image.shape == (1, 64, 64, 3)
										_snake_case													=			np.array(
										    [0.5_74_81_62, 0.60_44_71_45, 0.48_82_12_17, 0.50_10_06_36, 0.5_43_11_85, 0.45_76_36_83, 0.49_65_76_96, 0.48_13_27_33, 0.47_57_30_93]					)

										assert np.abs(image_slice.flatten() - expected_slice					).max() < 1E-2






					def 		lowerCAmelCase     (						self					)						->							str:
										_snake_case													=			'cpu'  # ensure determinism for the device-dependent torch.Generator

										_snake_case													=			self.get_dummy_components()
										_snake_case													=			PNDMScheduler(skip_prk_steps=lowerCAmelCase_					)
										torch.manual_seed(0					)
										_snake_case													=			RobertaSeriesConfig(
										    hidden_size=32			,  project_dim=32			,  intermediate_size=37			,  layer_norm_eps=1E-05			,  num_attention_heads=4			,  num_hidden_layers=5			,  vocab_size=5002			,  )
										# TODO: remove after fixing the non-deterministic text encoder
										_snake_case													=			RobertaSeriesModelWithTransformation(lowerCAmelCase_					)
										_snake_case													=			text_encoder
										_snake_case													=			AltDiffusionPipeline(**lowerCAmelCase_					)
										_snake_case													=			alt_pipe.to(lowerCAmelCase_					)
										alt_pipe.set_progress_bar_config(disable=lowerCAmelCase_					)

										_snake_case													=			self.get_dummy_inputs(lowerCAmelCase_					)
										_snake_case													=			alt_pipe(**lowerCAmelCase_					)
										_snake_case													=			output.images
										_snake_case													=			image[0, -3:, -3:, -1]

										assert image.shape == (1, 64, 64, 3)
										_snake_case													=			np.array(
										    [0.51_60_50_93, 0.5_70_72_41, 0.47_36_55_07, 0.50_57_88_86, 0.5_63_38_77, 0.4_64_25_03, 0.5_18_20_81, 0.48_76_34_84, 0.49_08_42_37]					)

										assert np.abs(image_slice.flatten() - expected_slice					).max() < 1E-2





@slow
@require_torch_gpu
class      UpperCamelCase_						(					unittest.TestCase   ):




					def 		lowerCAmelCase     (						self					)						->							Optional[int]:
										# clean up the VRAM after each test
										super().tearDown()
										gc.collect()
										torch.cuda.empty_cache()




					def 		lowerCAmelCase     (						self					)						->							Tuple:
										# make sure here that pndm scheduler skips prk
										_snake_case													=			AltDiffusionPipeline.from_pretrained('BAAI/AltDiffusion'			,  safety_checker=lowerCAmelCase_					)
										_snake_case													=			alt_pipe.to(lowerCAmelCase_					)
										alt_pipe.set_progress_bar_config(disable=lowerCAmelCase_					)

										_snake_case													=			'A painting of a squirrel eating a burger'
										_snake_case													=			torch.manual_seed(0					)
										_snake_case													=			alt_pipe([prompt]			,  generator=lowerCAmelCase_			,  guidance_scale=6.0			,  num_inference_steps=20			,  output_type='np'					)

										_snake_case													=			output.images

										_snake_case													=			image[0, -3:, -3:, -1]

										assert image.shape == (1, 512, 512, 3)
										_snake_case													=			np.array([0.10_10, 0.08_00, 0.07_94, 0.08_85, 0.08_43, 0.07_62, 0.07_69, 0.07_29, 0.05_86]					)

										assert np.abs(image_slice.flatten() - expected_slice					).max() < 1E-2






					def 		lowerCAmelCase     (						self					)						->							List[Any]:
										_snake_case													=			DDIMScheduler.from_pretrained('BAAI/AltDiffusion'			,  subfolder='scheduler'					)

										_snake_case													=			AltDiffusionPipeline.from_pretrained('BAAI/AltDiffusion'			,  scheduler=lowerCAmelCase_			,  safety_checker=lowerCAmelCase_					)
										_snake_case													=			alt_pipe.to(lowerCAmelCase_					)
										alt_pipe.set_progress_bar_config(disable=lowerCAmelCase_					)

										_snake_case													=			'A painting of a squirrel eating a burger'
										_snake_case													=			torch.manual_seed(0					)

										_snake_case													=			alt_pipe([prompt]			,  generator=lowerCAmelCase_			,  num_inference_steps=2			,  output_type='numpy'					)
										_snake_case													=			output.images

										_snake_case													=			image[0, -3:, -3:, -1]

										assert image.shape == (1, 512, 512, 3)
										_snake_case													=			np.array([0.40_19, 0.40_52, 0.38_10, 0.41_19, 0.39_16, 0.39_82, 0.46_51, 0.41_95, 0.53_23]					)

										assert np.abs(image_slice.flatten() - expected_slice					).max() < 1E-2










from typing import Optional

import torch
import torch.utils.checkpoint
from torch import Tensor, nn
from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss

from ...activations import ACTaFN
from ...modeling_outputs import (
    BackboneOutput,
    BaseModelOutputWithNoAttention,
    BaseModelOutputWithPoolingAndNoAttention,
    ImageClassifierOutputWithNoAttention,
)
from ...modeling_utils import PreTrainedModel
from ...utils import (
    add_code_sample_docstrings,
    add_start_docstrings,
    add_start_docstrings_to_model_forward,
    logging,
    replace_return_docstrings,
)
from ...utils.backbone_utils import BackboneMixin
from .configuration_resnet import ResNetConfig


UpperCAmelCase_ 							=       logging.get_logger(__name__)

# General docstring
UpperCAmelCase_ 							=       """ResNetConfig"""

# Base docstring
UpperCAmelCase_ 							=       """microsoft/resnet-50"""
UpperCAmelCase_ 							=       [1, 2048, 7, 7]

# Image classification docstring
UpperCAmelCase_ 							=       """microsoft/resnet-50"""
UpperCAmelCase_ 							=       """tiger cat"""

UpperCAmelCase_ 							=       [
    """microsoft/resnet-50""",
    # See all resnet models at https://huggingface.co/models?filter=resnet
]
class      UpperCamelCase_						(					nn.Module   ):




					def __init__(						self			,  lowerCAmelCase_			,  lowerCAmelCase_			,  lowerCAmelCase_ = 3			,  lowerCAmelCase_ = 1			,  lowerCAmelCase_ = "relu"					)						->							Union[str, Any]:
										super().__init__()
										_snake_case													=			nn.Convad(
										    lowerCAmelCase_			,  lowerCAmelCase_			,  kernel_size=lowerCAmelCase_			,  stride=lowerCAmelCase_			,  padding=kernel_size // 2			,  bias=lowerCAmelCase_					)
										_snake_case													=			nn.BatchNormad(lowerCAmelCase_					)
										_snake_case													=			ACTaFN[activation] if activation is not None else nn.Identity()






					def 		lowerCAmelCase     (						self			,  lowerCAmelCase_					)						->							Tensor:
										_snake_case													=			self.convolution(lowerCAmelCase_					)
										_snake_case													=			self.normalization(lowerCAmelCase_					)
										_snake_case													=			self.activation(lowerCAmelCase_					)
										return hidden_state





class      UpperCamelCase_						(					nn.Module   ):




					def __init__(						self			,  lowerCAmelCase_					)						->							Dict:
										super().__init__()
										_snake_case													=			ResNetConvLayer(
										    config.num_channels			,  config.embedding_size			,  kernel_size=7			,  stride=2			,  activation=config.hidden_act					)
										_snake_case													=			nn.MaxPoolad(kernel_size=3			,  stride=2			,  padding=1					)
										_snake_case													=			config.num_channels






					def 		lowerCAmelCase     (						self			,  lowerCAmelCase_					)						->							Tensor:
										_snake_case													=			pixel_values.shape[1]
										if num_channels != self.num_channels:
															raise ValueError(
															    'Make sure that the channel dimension of the pixel values match with the one set in the configuration.'					)
										_snake_case													=			self.embedder(lowerCAmelCase_					)
										_snake_case													=			self.pooler(lowerCAmelCase_					)
										return embedding





class      UpperCamelCase_						(					nn.Module   ):




					def __init__(						self			,  lowerCAmelCase_			,  lowerCAmelCase_			,  lowerCAmelCase_ = 2					)						->							List[Any]:
										super().__init__()
										_snake_case													=			nn.Convad(lowerCAmelCase_			,  lowerCAmelCase_			,  kernel_size=1			,  stride=lowerCAmelCase_			,  bias=lowerCAmelCase_					)
										_snake_case													=			nn.BatchNormad(lowerCAmelCase_					)






					def 		lowerCAmelCase     (						self			,  lowerCAmelCase_					)						->							Tensor:
										_snake_case													=			self.convolution(lowerCAmelCase_					)
										_snake_case													=			self.normalization(lowerCAmelCase_					)
										return hidden_state





class      UpperCamelCase_						(					nn.Module   ):




					def __init__(						self			,  lowerCAmelCase_			,  lowerCAmelCase_			,  lowerCAmelCase_ = 1			,  lowerCAmelCase_ = "relu"					)						->							Any:
										super().__init__()
										_snake_case													=			in_channels != out_channels or stride != 1
										_snake_case													=			(
										    ResNetShortCut(lowerCAmelCase_			,  lowerCAmelCase_			,  stride=lowerCAmelCase_					) if should_apply_shortcut else nn.Identity()
										)
										_snake_case													=			nn.Sequential(
										    ResNetConvLayer(lowerCAmelCase_			,  lowerCAmelCase_			,  stride=lowerCAmelCase_					)			,  ResNetConvLayer(lowerCAmelCase_			,  lowerCAmelCase_			,  activation=lowerCAmelCase_					)			,  )
										_snake_case													=			ACTaFN[activation]






					def 		lowerCAmelCase     (						self			,  lowerCAmelCase_					)						->							str:
										_snake_case													=			hidden_state
										_snake_case													=			self.layer(lowerCAmelCase_					)
										_snake_case													=			self.shortcut(lowerCAmelCase_					)
										hidden_state += residual
										_snake_case													=			self.activation(lowerCAmelCase_					)
										return hidden_state





class      UpperCamelCase_						(					nn.Module   ):




					def __init__(						self			,  lowerCAmelCase_			,  lowerCAmelCase_			,  lowerCAmelCase_ = 1			,  lowerCAmelCase_ = "relu"			,  lowerCAmelCase_ = 4					)						->							List[str]:
										super().__init__()
										_snake_case													=			in_channels != out_channels or stride != 1
										_snake_case													=			out_channels // reduction
										_snake_case													=			(
										    ResNetShortCut(lowerCAmelCase_			,  lowerCAmelCase_			,  stride=lowerCAmelCase_					) if should_apply_shortcut else nn.Identity()
										)
										_snake_case													=			nn.Sequential(
										    ResNetConvLayer(lowerCAmelCase_			,  lowerCAmelCase_			,  kernel_size=1					)			,  ResNetConvLayer(lowerCAmelCase_			,  lowerCAmelCase_			,  stride=lowerCAmelCase_					)			,  ResNetConvLayer(lowerCAmelCase_			,  lowerCAmelCase_			,  kernel_size=1			,  activation=lowerCAmelCase_					)			,  )
										_snake_case													=			ACTaFN[activation]






					def 		lowerCAmelCase     (						self			,  lowerCAmelCase_					)						->							Optional[Any]:
										_snake_case													=			hidden_state
										_snake_case													=			self.layer(lowerCAmelCase_					)
										_snake_case													=			self.shortcut(lowerCAmelCase_					)
										hidden_state += residual
										_snake_case													=			self.activation(lowerCAmelCase_					)
										return hidden_state





class      UpperCamelCase_						(					nn.Module   ):




					def __init__(						self			,  lowerCAmelCase_			,  lowerCAmelCase_			,  lowerCAmelCase_			,  lowerCAmelCase_ = 2			,  lowerCAmelCase_ = 2			,  )						->							Tuple:
										super().__init__()

										_snake_case													=			ResNetBottleNeckLayer if config.layer_type == 'bottleneck' else ResNetBasicLayer

										_snake_case													=			nn.Sequential(
										    # downsampling is done in the first layer with stride of 2
										    layer(lowerCAmelCase_			,  lowerCAmelCase_			,  stride=lowerCAmelCase_			,  activation=config.hidden_act					)			,  *[layer(lowerCAmelCase_			,  lowerCAmelCase_			,  activation=config.hidden_act					) for _ in range(depth - 1					)]			,  )






					def 		lowerCAmelCase     (						self			,  lowerCAmelCase_					)						->							Tensor:
										_snake_case													=			input
										for layer in self.layers:
															_snake_case													=			layer(lowerCAmelCase_					)
										return hidden_state





class      UpperCamelCase_						(					nn.Module   ):




					def __init__(						self			,  lowerCAmelCase_					)						->							int:
										super().__init__()
										_snake_case													=			nn.ModuleList([]					)
										# based on `downsample_in_first_stage` the first layer of the first stage may or may not downsample the input
										self.stages.append(
										    ResNetStage(
										        lowerCAmelCase_			,  config.embedding_size			,  config.hidden_sizes[0]			,  stride=2 if config.downsample_in_first_stage else 1			,  depth=config.depths[0]			,  )					)
										_snake_case													=			zip(config.hidden_sizes			,  config.hidden_sizes[1:]					)
										for (in_channels, out_channels), depth in zip(lowerCAmelCase_			,  config.depths[1:]					):
															self.stages.append(ResNetStage(lowerCAmelCase_			,  lowerCAmelCase_			,  lowerCAmelCase_			,  depth=lowerCAmelCase_					)					)






					def 		lowerCAmelCase     (						self			,  lowerCAmelCase_			,  lowerCAmelCase_ = False			,  lowerCAmelCase_ = True					)						->							BaseModelOutputWithNoAttention:
										_snake_case													=			() if output_hidden_states else None

										for stage_module in self.stages:
															if output_hidden_states:
																				_snake_case													=			hidden_states + (hidden_state,)

															_snake_case													=			stage_module(lowerCAmelCase_					)

										if output_hidden_states:
															_snake_case													=			hidden_states + (hidden_state,)

										if not return_dict:
															return tuple(v for v in [hidden_state, hidden_states] if v is not None					)

										return BaseModelOutputWithNoAttention(
										    last_hidden_state=lowerCAmelCase_			,  hidden_states=lowerCAmelCase_			,  )





class      UpperCamelCase_						(					_lowerCamelCase   ):
					lowerCAmelCase_							=		ResNetConfig
					lowerCAmelCase_							=		'''resnet'''
					lowerCAmelCase_							=		'''pixel_values'''
					lowerCAmelCase_							=		True




					def 		lowerCAmelCase     (						self			,  lowerCAmelCase_					)						->							Dict:
										if isinstance(lowerCAmelCase_			,  nn.Convad					):
															nn.init.kaiming_normal_(module.weight			,  mode='fan_out'			,  nonlinearity='relu'					)
										elif isinstance(lowerCAmelCase_			,  (nn.BatchNormad, nn.GroupNorm)					):
															nn.init.constant_(module.weight			,  1					)
															nn.init.constant_(module.bias			,  0					)






					def 		lowerCAmelCase     (						self			,  lowerCAmelCase_			,  lowerCAmelCase_=False					)						->							List[Any]:
										if isinstance(lowerCAmelCase_			,  lowerCAmelCase_					):
															_snake_case													=			value





UpperCAmelCase_ 							=       R"""
    This model is a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass. Use it
    as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage and
    behavior.

    Parameters:
        config ([`ResNetConfig`]): Model configuration class with all the parameters of the model.
            Initializing with a config file does not load the weights associated with the model, only the
            configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
"""

UpperCAmelCase_ 							=       R"""
    Args:
        pixel_values (`torch.FloatTensor` of shape `(batch_size, num_channels, height, width)`):
            Pixel values. Pixel values can be obtained using [`AutoImageProcessor`]. See
            [`ConvNextImageProcessor.__call__`] for details.

        output_hidden_states (`bool`, *optional*):
            Whether or not to return the hidden states of all layers. See `hidden_states` under returned tensors for
            more detail.
        return_dict (`bool`, *optional*):
            Whether or not to return a [`~utils.ModelOutput`] instead of a plain tuple.
"""
@add_start_docstrings(
    '''The bare ResNet model outputting raw features without any specific head on top.'''							,					_lowerCamelCase							,					)
class      UpperCamelCase_						(					_lowerCamelCase   ):




					def __init__(						self			,  lowerCAmelCase_					)						->							int:
										super().__init__(lowerCAmelCase_					)
										_snake_case													=			config
										_snake_case													=			ResNetEmbeddings(lowerCAmelCase_					)
										_snake_case													=			ResNetEncoder(lowerCAmelCase_					)
										_snake_case													=			nn.AdaptiveAvgPoolad((1, 1)					)
										# Initialize weights and apply final processing
										self.post_init()






					@add_start_docstrings_to_model_forward(lowerCAmelCase_					)
					@add_code_sample_docstrings(
					    checkpoint=_CHECKPOINT_FOR_DOC			,  output_type=lowerCAmelCase_			,  config_class=_CONFIG_FOR_DOC			,  modality='vision'			,  expected_output=_EXPECTED_OUTPUT_SHAPE			,  )
					def 		lowerCAmelCase     (						self			,  lowerCAmelCase_			,  lowerCAmelCase_ = None			,  lowerCAmelCase_ = None					)						->							BaseModelOutputWithPoolingAndNoAttention:
										_snake_case													=			(
										    output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
										)
										_snake_case													=			return_dict if return_dict is not None else self.config.use_return_dict

										_snake_case													=			self.embedder(lowerCAmelCase_					)

										_snake_case													=			self.encoder(
										    lowerCAmelCase_			,  output_hidden_states=lowerCAmelCase_			,  return_dict=lowerCAmelCase_					)

										_snake_case													=			encoder_outputs[0]

										_snake_case													=			self.pooler(lowerCAmelCase_					)

										if not return_dict:
															return (last_hidden_state, pooled_output) + encoder_outputs[1:]

										return BaseModelOutputWithPoolingAndNoAttention(
										    last_hidden_state=lowerCAmelCase_			,  pooler_output=lowerCAmelCase_			,  hidden_states=encoder_outputs.hidden_states			,  )





@add_start_docstrings(
    '''
    ResNet Model with an image classification head on top (a linear layer on top of the pooled features), e.g. for
    ImageNet.
    '''							,					_lowerCamelCase							,					)
class      UpperCamelCase_						(					_lowerCamelCase   ):




					def __init__(						self			,  lowerCAmelCase_					)						->							Union[str, Any]:
										super().__init__(lowerCAmelCase_					)
										_snake_case													=			config.num_labels
										_snake_case													=			ResNetModel(lowerCAmelCase_					)
										# classification head
										_snake_case													=			nn.Sequential(
										    nn.Flatten()			,  nn.Linear(config.hidden_sizes[-1]			,  config.num_labels					) if config.num_labels > 0 else nn.Identity()			,  )
										# initialize weights and apply final processing
										self.post_init()






					@add_start_docstrings_to_model_forward(lowerCAmelCase_					)
					@add_code_sample_docstrings(
					    checkpoint=_IMAGE_CLASS_CHECKPOINT			,  output_type=lowerCAmelCase_			,  config_class=_CONFIG_FOR_DOC			,  expected_output=_IMAGE_CLASS_EXPECTED_OUTPUT			,  )
					def 		lowerCAmelCase     (						self			,  lowerCAmelCase_ = None			,  lowerCAmelCase_ = None			,  lowerCAmelCase_ = None			,  lowerCAmelCase_ = None			,  )						->							ImageClassifierOutputWithNoAttention:
										_snake_case													=			return_dict if return_dict is not None else self.config.use_return_dict

										_snake_case													=			self.resnet(lowerCAmelCase_			,  output_hidden_states=lowerCAmelCase_			,  return_dict=lowerCAmelCase_					)

										_snake_case													=			outputs.pooler_output if return_dict else outputs[1]

										_snake_case													=			self.classifier(lowerCAmelCase_					)

										_snake_case													=			None

										if labels is not None:
															if self.config.problem_type is None:
																				if self.num_labels == 1:
																									_snake_case													=			'regression'
																				elif self.num_labels > 1 and (labels.dtype == torch.long or labels.dtype == torch.int):
																									_snake_case													=			'single_label_classification'
																				else:
																									_snake_case													=			'multi_label_classification'
															if self.config.problem_type == "regression":
																				_snake_case													=			MSELoss()
																				if self.num_labels == 1:
																									_snake_case													=			loss_fct(logits.squeeze()			,  labels.squeeze()					)
																				else:
																									_snake_case													=			loss_fct(lowerCAmelCase_			,  lowerCAmelCase_					)
															elif self.config.problem_type == "single_label_classification":
																				_snake_case													=			CrossEntropyLoss()
																				_snake_case													=			loss_fct(logits.view(-1			,  self.num_labels					)			,  labels.view(-1					)					)
															elif self.config.problem_type == "multi_label_classification":
																				_snake_case													=			BCEWithLogitsLoss()
																				_snake_case													=			loss_fct(lowerCAmelCase_			,  lowerCAmelCase_					)

										if not return_dict:
															_snake_case													=			(logits,) + outputs[2:]
															return (loss,) + output if loss is not None else output

										return ImageClassifierOutputWithNoAttention(loss=lowerCAmelCase_			,  logits=lowerCAmelCase_			,  hidden_states=outputs.hidden_states					)





@add_start_docstrings(
    '''
    ResNet backbone, to be used with frameworks like DETR and MaskFormer.
    '''							,					_lowerCamelCase							,					)
class      UpperCamelCase_						(					_lowerCamelCase							,					_lowerCamelCase   ):




					def __init__(						self			,  lowerCAmelCase_					)						->							List[Any]:
										super().__init__(lowerCAmelCase_					)
										super()._init_backbone(lowerCAmelCase_					)

										_snake_case													=			[config.embedding_size] + config.hidden_sizes
										_snake_case													=			ResNetEmbeddings(lowerCAmelCase_					)
										_snake_case													=			ResNetEncoder(lowerCAmelCase_					)

										# initialize weights and apply final processing
										self.post_init()






					@add_start_docstrings_to_model_forward(lowerCAmelCase_					)
					@replace_return_docstrings(output_type=lowerCAmelCase_			,  config_class=_CONFIG_FOR_DOC					)
					def 		lowerCAmelCase     (						self			,  lowerCAmelCase_			,  lowerCAmelCase_ = None			,  lowerCAmelCase_ = None					)						->							BackboneOutput:
										_snake_case													=			return_dict if return_dict is not None else self.config.use_return_dict
										_snake_case													=			(
										    output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
										)

										_snake_case													=			self.embedder(lowerCAmelCase_					)

										_snake_case													=			self.encoder(lowerCAmelCase_			,  output_hidden_states=lowerCAmelCase_			,  return_dict=lowerCAmelCase_					)

										_snake_case													=			outputs.hidden_states

										_snake_case													=			()
										for idx, stage in enumerate(self.stage_names					):
															if stage in self.out_features:
																				feature_maps += (hidden_states[idx],)

										if not return_dict:
															_snake_case													=			(feature_maps,)
															if output_hidden_states:
																				output += (outputs.hidden_states,)
															return output

										return BackboneOutput(
										    feature_maps=lowerCAmelCase_			,  hidden_states=outputs.hidden_states if output_hidden_states else None			,  attentions=lowerCAmelCase_			,  )



