

"""simple docstring"""


import json
from typing import List, Optional, Tuple

from tokenizers import pre_tokenizers, processors

from ...tokenization_utils_base import AddedToken, BatchEncoding
from ...tokenization_utils_fast import PreTrainedTokenizerFast
from ...utils import logging
from .tokenization_roberta import RobertaTokenizer


__A						   =			logging.get_logger(__name__)

__A						   =			{"vocab_file": "vocab.json", "merges_file": "merges.txt", "tokenizer_file": "tokenizer.json"}

__A						   =			{
    "vocab_file": {
        "roberta-base": "https://huggingface.co/roberta-base/resolve/main/vocab.json",
        "roberta-large": "https://huggingface.co/roberta-large/resolve/main/vocab.json",
        "roberta-large-mnli": "https://huggingface.co/roberta-large-mnli/resolve/main/vocab.json",
        "distilroberta-base": "https://huggingface.co/distilroberta-base/resolve/main/vocab.json",
        "roberta-base-openai-detector": "https://huggingface.co/roberta-base-openai-detector/resolve/main/vocab.json",
        "roberta-large-openai-detector": (
            "https://huggingface.co/roberta-large-openai-detector/resolve/main/vocab.json"
        ),
    },
    "merges_file": {
        "roberta-base": "https://huggingface.co/roberta-base/resolve/main/merges.txt",
        "roberta-large": "https://huggingface.co/roberta-large/resolve/main/merges.txt",
        "roberta-large-mnli": "https://huggingface.co/roberta-large-mnli/resolve/main/merges.txt",
        "distilroberta-base": "https://huggingface.co/distilroberta-base/resolve/main/merges.txt",
        "roberta-base-openai-detector": "https://huggingface.co/roberta-base-openai-detector/resolve/main/merges.txt",
        "roberta-large-openai-detector": (
            "https://huggingface.co/roberta-large-openai-detector/resolve/main/merges.txt"
        ),
    },
    "tokenizer_file": {
        "roberta-base": "https://huggingface.co/roberta-base/resolve/main/tokenizer.json",
        "roberta-large": "https://huggingface.co/roberta-large/resolve/main/tokenizer.json",
        "roberta-large-mnli": "https://huggingface.co/roberta-large-mnli/resolve/main/tokenizer.json",
        "distilroberta-base": "https://huggingface.co/distilroberta-base/resolve/main/tokenizer.json",
        "roberta-base-openai-detector": (
            "https://huggingface.co/roberta-base-openai-detector/resolve/main/tokenizer.json"
        ),
        "roberta-large-openai-detector": (
            "https://huggingface.co/roberta-large-openai-detector/resolve/main/tokenizer.json"
        ),
    },
}

__A						   =			{
    "roberta-base": 512,
    "roberta-large": 512,
    "roberta-large-mnli": 512,
    "distilroberta-base": 512,
    "roberta-base-openai-detector": 512,
    "roberta-large-openai-detector": 512,
}





class     snake_case	(				__snake_case  ):
				SCREAMING_SNAKE_CASE_   :      str         =  VOCAB_FILES_NAMES
				SCREAMING_SNAKE_CASE_   :      Optional[Any]         =  PRETRAINED_VOCAB_FILES_MAP
				SCREAMING_SNAKE_CASE_   :      Optional[int]         =  PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
				SCREAMING_SNAKE_CASE_   :      Optional[int]         =  ["""input_ids""", """attention_mask"""]
				SCREAMING_SNAKE_CASE_   :      Any         =  RobertaTokenizer

				def __init__(	self							:				Optional[int]     ,  UpperCamelCase__							:				int=None     ,  UpperCamelCase__							:				Union[str, Any]=None     ,  UpperCamelCase__							:				Optional[Any]=None     ,  UpperCamelCase__							:				int="replace"     ,  UpperCamelCase__							:				Union[str, Any]="<s>"     ,  UpperCamelCase__							:				List[Any]="</s>"     ,  UpperCamelCase__							:				Any="</s>"     ,  UpperCamelCase__							:				Union[str, Any]="<s>"     ,  UpperCamelCase__							:				str="<unk>"     ,  UpperCamelCase__							:				Optional[int]="<pad>"     ,  UpperCamelCase__							:				int="<mask>"     ,  UpperCamelCase__							:				Optional[int]=False     ,  UpperCamelCase__							:				Optional[Any]=True     ,  **UpperCamelCase__							:				Tuple     ,  )->   Optional[int]:



						'''simple docstring'''


						super().__init__(
						    UpperCamelCase__     ,  UpperCamelCase__     ,  tokenizer_file=UpperCamelCase__     ,  errors=UpperCamelCase__     ,  bos_token=UpperCamelCase__     ,  eos_token=UpperCamelCase__     ,  sep_token=UpperCamelCase__     ,  cls_token=UpperCamelCase__     ,  unk_token=UpperCamelCase__     ,  pad_token=UpperCamelCase__     ,  mask_token=UpperCamelCase__     ,  add_prefix_space=UpperCamelCase__     ,  trim_offsets=UpperCamelCase__     ,  **UpperCamelCase__     ,  )

						__lowerCAmelCase:       Tuple          =			json.loads(self.backend_tokenizer.pre_tokenizer.__getstate__())
						if pre_tok_state.get("add_prefix_space"     ,  UpperCamelCase__) != add_prefix_space:
								__lowerCAmelCase:       str          =			getattr(UpperCamelCase__     ,  pre_tok_state.pop("type"))
								__lowerCAmelCase:       Optional[int]          =			add_prefix_space
								__lowerCAmelCase:       Dict          =			pre_tok_class(**UpperCamelCase__)

						__lowerCAmelCase:       Any          =			add_prefix_space

						__lowerCAmelCase:       int          =			"post_processor"
						__lowerCAmelCase:       Optional[Any]          =			getattr(self.backend_tokenizer     ,  UpperCamelCase__     ,  UpperCamelCase__)
						if tokenizer_component_instance:
								__lowerCAmelCase:       Dict          =			json.loads(tokenizer_component_instance.__getstate__())

								# The lists 'sep' and 'cls' must be cased in tuples for the object `post_processor_class`
								if "sep" in state:
										__lowerCAmelCase:       List[Any]          =			tuple(state["sep"])
								if "cls" in state:
										__lowerCAmelCase:       str          =			tuple(state["cls"])

								__lowerCAmelCase:       str          =			False

								if state.get("add_prefix_space"     ,  UpperCamelCase__) != add_prefix_space:
										__lowerCAmelCase:       Optional[Any]          =			add_prefix_space
										__lowerCAmelCase:       List[str]          =			True

								if state.get("trim_offsets"     ,  UpperCamelCase__) != trim_offsets:
										__lowerCAmelCase:       Any          =			trim_offsets
										__lowerCAmelCase:       List[str]          =			True

								if changes_to_apply:
										__lowerCAmelCase:       str          =			getattr(UpperCamelCase__     ,  state.pop("type"))
										__lowerCAmelCase:       List[str]          =			component_class(**UpperCamelCase__)
										setattr(self.backend_tokenizer     ,  UpperCamelCase__     ,  UpperCamelCase__)

				@property
				def 							lowercase_     (	self							:				List[str])->   str:



						'''simple docstring'''


						if self._mask_token is None:
								if self.verbose:
										logger.error("Using mask_token, but it is not set yet.")
								return None
						return str(self._mask_token)

				@mask_token.setter
				def 							lowercase_     (	self							:				Tuple     ,  UpperCamelCase__							:				Optional[int])->   Optional[Any]:



						'''simple docstring'''


						__lowerCAmelCase:       List[Any]          =			AddedToken(UpperCamelCase__     ,  lstrip=UpperCamelCase__     ,  rstrip=UpperCamelCase__) if isinstance(UpperCamelCase__     ,  UpperCamelCase__) else value
						__lowerCAmelCase:       int          =			value

				def 							lowercase_     (	self							:				Any     ,  *UpperCamelCase__							:				str     ,  **UpperCamelCase__							:				List[Any])->   BatchEncoding:



						'''simple docstring'''


						__lowerCAmelCase:       List[Any]          =			kwargs.get("is_split_into_words"     ,  UpperCamelCase__)
						assert self.add_prefix_space or not is_split_into_words, (
						    f"You need to instantiate {self.__class__.__name__} with add_prefix_space=True "
						    "to use it with pretokenized inputs."
						)

						return super()._batch_encode_plus(*UpperCamelCase__     ,  **UpperCamelCase__)

				def 							lowercase_     (	self							:				int     ,  *UpperCamelCase__							:				Dict     ,  **UpperCamelCase__							:				List[str])->   BatchEncoding:



						'''simple docstring'''


						__lowerCAmelCase:       Optional[Any]          =			kwargs.get("is_split_into_words"     ,  UpperCamelCase__)

						assert self.add_prefix_space or not is_split_into_words, (
						    f"You need to instantiate {self.__class__.__name__} with add_prefix_space=True "
						    "to use it with pretokenized inputs."
						)

						return super()._encode_plus(*UpperCamelCase__     ,  **UpperCamelCase__)

				def 							lowercase_     (	self							:				Any     ,  UpperCamelCase__							:				str     ,  UpperCamelCase__							:				Optional[str] = None)->   Tuple[str]:



						'''simple docstring'''


						__lowerCAmelCase:       str          =			self._tokenizer.model.save(UpperCamelCase__     ,  name=UpperCamelCase__)
						return tuple(UpperCamelCase__)

				def 							lowercase_     (	self							:				Dict     ,  UpperCamelCase__							:				Any     ,  UpperCamelCase__							:				Union[str, Any]=None)->   Optional[Any]:



						'''simple docstring'''


						__lowerCAmelCase:       str          =			[self.bos_token_id] + token_ids_a + [self.eos_token_id]
						if token_ids_a is None:
								return output

						return output + [self.eos_token_id] + token_ids_a + [self.eos_token_id]




				def 							lowercase_     (	self							:				int     ,  UpperCamelCase__							:				List[int]     ,  UpperCamelCase__							:				Optional[List[int]] = None)->   List[int]:



						'''simple docstring'''


						__lowerCAmelCase:       Optional[Any]          =			[self.sep_token_id]
						__lowerCAmelCase:       str          =			[self.cls_token_id]

						if token_ids_a is None:
								return len(cls + token_ids_a + sep) * [0]
						return len(cls + token_ids_a + sep + sep + token_ids_a + sep) * [0]





"""simple docstring"""


import gc
import random
import unittest

import numpy as np
import torch
from PIL import Image
from transformers import CLIPTextConfig, CLIPTextModel, CLIPTokenizer

from diffusers import AutoencoderKL, DDIMScheduler, DDPMScheduler, StableDiffusionUpscalePipeline, UNetaDConditionModel
from diffusers.utils import floats_tensor, load_image, load_numpy, slow, torch_device
from diffusers.utils.testing_utils import enable_full_determinism, require_torch_gpu


enable_full_determinism()





class     snake_case	(				unittest.TestCase  ):

				def 							lowercase_     (	self							:				Optional[int])->   int:



						'''simple docstring'''


						super().tearDown()
						gc.collect()
						torch.cuda.empty_cache()

				@property
				def 							lowercase_     (	self							:				int)->   str:



						'''simple docstring'''


						__lowerCAmelCase:       str          =			1
						__lowerCAmelCase:       Union[str, Any]          =			3
						__lowerCAmelCase:       Union[str, Any]          =			(3_2, 3_2)

						__lowerCAmelCase:       Union[str, Any]          =			floats_tensor((batch_size, num_channels) + sizes     ,  rng=random.Random(0)).to(UpperCamelCase__)
						return image

				@property
				def 							lowercase_     (	self							:				Tuple)->   str:



						'''simple docstring'''


						torch.manual_seed(0)
						__lowerCAmelCase:       Optional[Any]          =			UNetaDConditionModel(
						    block_out_channels=(3_2, 3_2, 6_4)     ,  layers_per_block=2     ,  sample_size=3_2     ,  in_channels=7     ,  out_channels=4     ,  down_block_types=("DownBlock2D", "CrossAttnDownBlock2D", "CrossAttnDownBlock2D")     ,  up_block_types=("CrossAttnUpBlock2D", "CrossAttnUpBlock2D", "UpBlock2D")     ,  cross_attention_dim=3_2     ,  attention_head_dim=8     ,  use_linear_projection=UpperCamelCase__     ,  only_cross_attention=(True, True, False)     ,  num_class_embeds=1_0_0     ,  )
						return model

				@property
				def 							lowercase_     (	self							:				Any)->   Optional[Any]:



						'''simple docstring'''


						torch.manual_seed(0)
						__lowerCAmelCase:       Tuple          =			AutoencoderKL(
						    block_out_channels=[3_2, 3_2, 6_4]     ,  in_channels=3     ,  out_channels=3     ,  down_block_types=["DownEncoderBlock2D", "DownEncoderBlock2D", "DownEncoderBlock2D"]     ,  up_block_types=["UpDecoderBlock2D", "UpDecoderBlock2D", "UpDecoderBlock2D"]     ,  latent_channels=4     ,  )
						return model

				@property
				def 							lowercase_     (	self							:				Any)->   Optional[Any]:



						'''simple docstring'''


						torch.manual_seed(0)
						__lowerCAmelCase:       List[str]          =			CLIPTextConfig(
						    bos_token_id=0     ,  eos_token_id=2     ,  hidden_size=3_2     ,  intermediate_size=3_7     ,  layer_norm_eps=1e-05     ,  num_attention_heads=4     ,  num_hidden_layers=5     ,  pad_token_id=1     ,  vocab_size=1_0_0_0     ,  hidden_act="gelu"     ,  projection_dim=5_1_2     ,  )
						return CLIPTextModel(UpperCamelCase__)

				def 							lowercase_     (	self							:				List[str])->   Dict:



						'''simple docstring'''


						__lowerCAmelCase:       Tuple          =			"cpu"  # ensure determinism for the device-dependent torch.Generator
						__lowerCAmelCase:       int          =			self.dummy_cond_unet_upscale
						__lowerCAmelCase:       int          =			DDPMScheduler()
						__lowerCAmelCase:       List[str]          =			DDIMScheduler(prediction_type="v_prediction")
						__lowerCAmelCase:       Tuple          =			self.dummy_vae
						__lowerCAmelCase:       Optional[Any]          =			self.dummy_text_encoder
						__lowerCAmelCase:       Any          =			CLIPTokenizer.from_pretrained("hf-internal-testing/tiny-random-clip")

						__lowerCAmelCase:       Tuple          =			self.dummy_image.cpu().permute(0     ,  2     ,  3     ,  1)[0]
						__lowerCAmelCase:       List[Any]          =			Image.fromarray(np.uinta(UpperCamelCase__)).convert("RGB").resize((6_4, 6_4))

						# make sure here that pndm scheduler skips prk
						__lowerCAmelCase:       Optional[int]          =			StableDiffusionUpscalePipeline(
						    unet=UpperCamelCase__     ,  low_res_scheduler=UpperCamelCase__     ,  scheduler=UpperCamelCase__     ,  vae=UpperCamelCase__     ,  text_encoder=UpperCamelCase__     ,  tokenizer=UpperCamelCase__     ,  max_noise_level=3_5_0     ,  )
						__lowerCAmelCase:       Tuple          =			sd_pipe.to(UpperCamelCase__)
						sd_pipe.set_progress_bar_config(disable=UpperCamelCase__)

						__lowerCAmelCase:       Any          =			"A painting of a squirrel eating a burger"
						__lowerCAmelCase:       str          =			torch.Generator(device=UpperCamelCase__).manual_seed(0)
						__lowerCAmelCase:       Optional[int]          =			sd_pipe(
						    [prompt]     ,  image=UpperCamelCase__     ,  generator=UpperCamelCase__     ,  guidance_scale=6.0     ,  noise_level=2_0     ,  num_inference_steps=2     ,  output_type="np"     ,  )

						__lowerCAmelCase:       List[str]          =			output.images

						__lowerCAmelCase:       Union[str, Any]          =			torch.Generator(device=UpperCamelCase__).manual_seed(0)
						__lowerCAmelCase:       List[str]          =			sd_pipe(
						    [prompt]     ,  image=UpperCamelCase__     ,  generator=UpperCamelCase__     ,  guidance_scale=6.0     ,  noise_level=2_0     ,  num_inference_steps=2     ,  output_type="np"     ,  return_dict=UpperCamelCase__     ,  )[0]

						__lowerCAmelCase:       int          =			image[0, -3:, -3:, -1]
						__lowerCAmelCase:       Dict          =			image_from_tuple[0, -3:, -3:, -1]

						__lowerCAmelCase:       Dict          =			low_res_image.size[0] * 4
						assert image.shape == (1, expected_height_width, expected_height_width, 3)
						__lowerCAmelCase:       List[Any]          =			np.array([0.3113, 0.3910, 0.4272, 0.4859, 0.5061, 0.4652, 0.5362, 0.5715, 0.5661])

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

				def 							lowercase_     (	self							:				List[str])->   Optional[Any]:



						'''simple docstring'''


						__lowerCAmelCase:       Union[str, Any]          =			"cpu"  # ensure determinism for the device-dependent torch.Generator
						__lowerCAmelCase:       Dict          =			self.dummy_cond_unet_upscale
						__lowerCAmelCase:       List[str]          =			DDPMScheduler()
						__lowerCAmelCase:       Union[str, Any]          =			DDIMScheduler(prediction_type="v_prediction")
						__lowerCAmelCase:       Optional[int]          =			self.dummy_vae
						__lowerCAmelCase:       List[Any]          =			self.dummy_text_encoder
						__lowerCAmelCase:       Optional[int]          =			CLIPTokenizer.from_pretrained("hf-internal-testing/tiny-random-clip")

						__lowerCAmelCase:       List[Any]          =			self.dummy_image.cpu().permute(0     ,  2     ,  3     ,  1)[0]
						__lowerCAmelCase:       str          =			Image.fromarray(np.uinta(UpperCamelCase__)).convert("RGB").resize((6_4, 6_4))

						# make sure here that pndm scheduler skips prk
						__lowerCAmelCase:       Optional[int]          =			StableDiffusionUpscalePipeline(
						    unet=UpperCamelCase__     ,  low_res_scheduler=UpperCamelCase__     ,  scheduler=UpperCamelCase__     ,  vae=UpperCamelCase__     ,  text_encoder=UpperCamelCase__     ,  tokenizer=UpperCamelCase__     ,  max_noise_level=3_5_0     ,  )
						__lowerCAmelCase:       Optional[int]          =			sd_pipe.to(UpperCamelCase__)
						sd_pipe.set_progress_bar_config(disable=UpperCamelCase__)

						__lowerCAmelCase:       List[str]          =			"A painting of a squirrel eating a burger"
						__lowerCAmelCase:       List[Any]          =			sd_pipe(
						    2 * [prompt]     ,  image=2 * [low_res_image]     ,  guidance_scale=6.0     ,  noise_level=2_0     ,  num_inference_steps=2     ,  output_type="np"     ,  )
						__lowerCAmelCase:       List[Any]          =			output.images
						assert image.shape[0] == 2

						__lowerCAmelCase:       Dict          =			torch.Generator(device=UpperCamelCase__).manual_seed(0)
						__lowerCAmelCase:       Optional[Any]          =			sd_pipe(
						    [prompt]     ,  image=UpperCamelCase__     ,  generator=UpperCamelCase__     ,  num_images_per_prompt=2     ,  guidance_scale=6.0     ,  noise_level=2_0     ,  num_inference_steps=2     ,  output_type="np"     ,  )
						__lowerCAmelCase:       List[Any]          =			output.images
						assert image.shape[0] == 2




				@unittest.skipIf(torch_device != "cuda"     ,  "This test requires a GPU")
				def 							lowercase_     (	self							:				Tuple)->   Any:



						'''simple docstring'''


						__lowerCAmelCase:       Union[str, Any]          =			self.dummy_cond_unet_upscale
						__lowerCAmelCase:       int          =			DDPMScheduler()
						__lowerCAmelCase:       int          =			DDIMScheduler(prediction_type="v_prediction")
						__lowerCAmelCase:       Dict          =			self.dummy_vae
						__lowerCAmelCase:       int          =			self.dummy_text_encoder
						__lowerCAmelCase:       List[Any]          =			CLIPTokenizer.from_pretrained("hf-internal-testing/tiny-random-clip")

						__lowerCAmelCase:       List[Any]          =			self.dummy_image.cpu().permute(0     ,  2     ,  3     ,  1)[0]
						__lowerCAmelCase:       Optional[int]          =			Image.fromarray(np.uinta(UpperCamelCase__)).convert("RGB").resize((6_4, 6_4))

						# put models in fp16, except vae as it overflows in fp16
						__lowerCAmelCase:       List[Any]          =			unet.half()
						__lowerCAmelCase:       List[str]          =			text_encoder.half()

						# make sure here that pndm scheduler skips prk
						__lowerCAmelCase:       List[Any]          =			StableDiffusionUpscalePipeline(
						    unet=UpperCamelCase__     ,  low_res_scheduler=UpperCamelCase__     ,  scheduler=UpperCamelCase__     ,  vae=UpperCamelCase__     ,  text_encoder=UpperCamelCase__     ,  tokenizer=UpperCamelCase__     ,  max_noise_level=3_5_0     ,  )
						__lowerCAmelCase:       str          =			sd_pipe.to(UpperCamelCase__)
						sd_pipe.set_progress_bar_config(disable=UpperCamelCase__)

						__lowerCAmelCase:       Optional[Any]          =			"A painting of a squirrel eating a burger"
						__lowerCAmelCase:       str          =			torch.manual_seed(0)
						__lowerCAmelCase:       Dict          =			sd_pipe(
						    [prompt]     ,  image=UpperCamelCase__     ,  generator=UpperCamelCase__     ,  num_inference_steps=2     ,  output_type="np"     ,  ).images

						__lowerCAmelCase:       Optional[Any]          =			low_res_image.size[0] * 4
						assert image.shape == (1, expected_height_width, expected_height_width, 3)





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

				def 							lowercase_     (	self							:				Tuple)->   Tuple:



						'''simple docstring'''


						super().tearDown()
						gc.collect()
						torch.cuda.empty_cache()

				def 							lowercase_     (	self							:				List[Any])->   Tuple:



						'''simple docstring'''


						__lowerCAmelCase:       Dict          =			load_image(
						    "https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main"
						    "/sd2-upscale/low_res_cat.png")
						__lowerCAmelCase:       Optional[Any]          =			load_numpy(
						    "https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/sd2-upscale"
						    "/upsampled_cat.npy")

						__lowerCAmelCase:       str          =			"stabilityai/stable-diffusion-x4-upscaler"
						__lowerCAmelCase:       Optional[int]          =			StableDiffusionUpscalePipeline.from_pretrained(UpperCamelCase__)
						pipe.to(UpperCamelCase__)
						pipe.set_progress_bar_config(disable=UpperCamelCase__)
						pipe.enable_attention_slicing()

						__lowerCAmelCase:       Tuple          =			"a cat sitting on a park bench"

						__lowerCAmelCase:       int          =			torch.manual_seed(0)
						__lowerCAmelCase:       List[Any]          =			pipe(
						    prompt=UpperCamelCase__     ,  image=UpperCamelCase__     ,  generator=UpperCamelCase__     ,  output_type="np"     ,  )
						__lowerCAmelCase:       Dict          =			output.images[0]

						assert image.shape == (5_1_2, 5_1_2, 3)
						assert np.abs(expected_image - image).max() < 1e-3

				def 							lowercase_     (	self							:				Optional[int])->   Any:



						'''simple docstring'''


						__lowerCAmelCase:       Dict          =			load_image(
						    "https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main"
						    "/sd2-upscale/low_res_cat.png")
						__lowerCAmelCase:       Tuple          =			load_numpy(
						    "https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/sd2-upscale"
						    "/upsampled_cat_fp16.npy")

						__lowerCAmelCase:       Optional[Any]          =			"stabilityai/stable-diffusion-x4-upscaler"
						__lowerCAmelCase:       Tuple          =			StableDiffusionUpscalePipeline.from_pretrained(
						    UpperCamelCase__     ,  torch_dtype=torch.floataa     ,  )
						pipe.to(UpperCamelCase__)
						pipe.set_progress_bar_config(disable=UpperCamelCase__)
						pipe.enable_attention_slicing()

						__lowerCAmelCase:       str          =			"a cat sitting on a park bench"

						__lowerCAmelCase:       List[str]          =			torch.manual_seed(0)
						__lowerCAmelCase:       Optional[Any]          =			pipe(
						    prompt=UpperCamelCase__     ,  image=UpperCamelCase__     ,  generator=UpperCamelCase__     ,  output_type="np"     ,  )
						__lowerCAmelCase:       Union[str, Any]          =			output.images[0]

						assert image.shape == (5_1_2, 5_1_2, 3)
						assert np.abs(expected_image - image).max() < 5e-1




				def 							lowercase_     (	self							:				Optional[int])->   Dict:



						'''simple docstring'''


						torch.cuda.empty_cache()
						torch.cuda.reset_max_memory_allocated()
						torch.cuda.reset_peak_memory_stats()

						__lowerCAmelCase:       Tuple          =			load_image(
						    "https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main"
						    "/sd2-upscale/low_res_cat.png")

						__lowerCAmelCase:       Union[str, Any]          =			"stabilityai/stable-diffusion-x4-upscaler"
						__lowerCAmelCase:       Any          =			StableDiffusionUpscalePipeline.from_pretrained(
						    UpperCamelCase__     ,  torch_dtype=torch.floataa     ,  )
						pipe.to(UpperCamelCase__)
						pipe.set_progress_bar_config(disable=UpperCamelCase__)
						pipe.enable_attention_slicing(1)
						pipe.enable_sequential_cpu_offload()

						__lowerCAmelCase:       int          =			"a cat sitting on a park bench"

						__lowerCAmelCase:       Dict          =			torch.manual_seed(0)
						__lowerCAmelCase:       Dict          =			pipe(
						    prompt=UpperCamelCase__     ,  image=UpperCamelCase__     ,  generator=UpperCamelCase__     ,  num_inference_steps=5     ,  output_type="np"     ,  )

						__lowerCAmelCase:       Optional[int]          =			torch.cuda.max_memory_allocated()
						# make sure that less than 2.9 GB is allocated
						assert mem_bytes < 2.9 * 1_0**9


