import inspect
from typing import Callable, List, Optional, Union

import torch
from transformers import (
    CLIPImageProcessor,
    CLIPTextModel,
    CLIPTokenizer,
    WhisperForConditionalGeneration,
    WhisperProcessor,
)

from diffusers import (
    AutoencoderKL,
    DDIMScheduler,
    DiffusionPipeline,
    LMSDiscreteScheduler,
    PNDMScheduler,
    UNetaDConditionModel,
)
from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion import StableDiffusionPipelineOutput
from diffusers.pipelines.stable_diffusion.safety_checker import StableDiffusionSafetyChecker
from diffusers.utils import logging


__lowerCamelCase      :			Optional[int]							       =		logging.get_logger(__name__)  # pylint: disable=invalid-name







class __snake_case    (						lowerCamelCase_		):




   def __init__(   self      :    Union[str, Any]	,     _lowercase      :    WhisperForConditionalGeneration	,     _lowercase      :    WhisperProcessor	,     _lowercase      :    AutoencoderKL	,     _lowercase      :    CLIPTextModel	,     _lowercase      :    CLIPTokenizer	,     _lowercase      :    UNetaDConditionModel	,     _lowercase      :    Union[DDIMScheduler, PNDMScheduler, LMSDiscreteScheduler]	,     _lowercase      :    StableDiffusionSafetyChecker	,     _lowercase      :    CLIPImageProcessor	,     ):



     """simple docstring"""






     super().__init__()

     if safety_checker is None:
       logger.warning(
           f"""You have disabled the safety checker for {self.__class__} by passing `safety_checker=None`. Ensure"""
           """ that you abide to the conditions of the Stable Diffusion license and do not expose unfiltered"""
           """ results in services or applications open to the public. Both the diffusers team and Hugging Face"""
           """ strongly recommend to keep the safety filter enabled in all public facing circumstances, disabling"""
           """ it only for use-cases that involve analyzing network behavior or auditing its results. For more"""
           """ information, please have a look at https://github.com/huggingface/diffusers/pull/254 ."""				)

     self.register_modules(
         speech_model=_lowercase	,     speech_processor=_lowercase	,     vae=_lowercase	,     text_encoder=_lowercase	,     tokenizer=_lowercase	,     unet=_lowercase	,     scheduler=_lowercase	,     feature_extractor=_lowercase	,     )




   def      __a						(   self      :    List[str]	,     _lowercase      :    Optional[Union[str, int]] = "auto"				):



     """simple docstring"""






     if slice_size == "auto":
       SCREAMING_SNAKE_CASE__      							=				self.unet.config.attention_head_dim // 2
     self.unet.set_attention_slice(_lowercase				)




   def      __a						(   self      :    List[Any]				):



     """simple docstring"""






     self.enable_attention_slicing(_lowercase				)




   @torch.no_grad()
   def __call__(   self      :    Optional[int]	,     _lowercase      :    Dict	,     _lowercase      :    List[str]=1_60_00	,     _lowercase      :    int = 5_12	,     _lowercase      :    int = 5_12	,     _lowercase      :    int = 50	,     _lowercase      :    float = 7.5	,     _lowercase      :    Optional[Union[str, List[str]]] = None	,     _lowercase      :    Optional[int] = 1	,     _lowercase      :    float = 0.0	,     _lowercase      :    Optional[torch.Generator] = None	,     _lowercase      :    Optional[torch.FloatTensor] = None	,     _lowercase      :    Optional[str] = "pil"	,     _lowercase      :    bool = True	,     _lowercase      :    Optional[Callable[[int, int, torch.FloatTensor], None]] = None	,     _lowercase      :    int = 1	,     **_lowercase      :    List[str]	,     ):



     """simple docstring"""






     SCREAMING_SNAKE_CASE__      							=				self.speech_processor.feature_extractor(
         _lowercase	,     return_tensors="""pt"""	,     sampling_rate=_lowercase				).input_features.to(self.device				)
     SCREAMING_SNAKE_CASE__      							=				self.speech_model.generate(_lowercase	,     max_length=48_00_00				)

     SCREAMING_SNAKE_CASE__      							=				self.speech_processor.tokenizer.batch_decode(_lowercase	,     skip_special_tokens=_lowercase	,     normalize=_lowercase				)[
         0
     ]

     if isinstance(_lowercase	,     _lowercase				):
       SCREAMING_SNAKE_CASE__      							=				1
     elif isinstance(_lowercase	,     _lowercase				):
       SCREAMING_SNAKE_CASE__      							=				len(_lowercase				)
     else:
       raise ValueError(f"""`prompt` has to be of type `str` or `list` but is {type(_lowercase				)}"""				)

     if height % 8 != 0 or width % 8 != 0:
       raise ValueError(f"""`height` and `width` have to be divisible by 8 but are {height} and {width}."""				)

     if (callback_steps is None) or (
         callback_steps is not None and (not isinstance(_lowercase	,     _lowercase				) or callback_steps <= 0)
     ):
       raise ValueError(
           f"""`callback_steps` has to be a positive integer but is {callback_steps} of type"""
           f""" {type(_lowercase				)}."""				)

     # get prompt text embeddings
     SCREAMING_SNAKE_CASE__      							=				self.tokenizer(
         _lowercase	,     padding="""max_length"""	,     max_length=self.tokenizer.model_max_length	,     return_tensors="""pt"""	,     )
     SCREAMING_SNAKE_CASE__      							=				text_inputs.input_ids

     if text_input_ids.shape[-1] > self.tokenizer.model_max_length:
       SCREAMING_SNAKE_CASE__      							=				self.tokenizer.batch_decode(text_input_ids[:, self.tokenizer.model_max_length :]				)
       logger.warning(
           """The following part of your input was truncated because CLIP can only handle sequences up to"""
           f""" {self.tokenizer.model_max_length} tokens: {removed_text}"""				)
       SCREAMING_SNAKE_CASE__      							=				text_input_ids[:, : self.tokenizer.model_max_length]
     SCREAMING_SNAKE_CASE__      							=				self.text_encoder(text_input_ids.to(self.device				)				)[0]

     # duplicate text embeddings for each generation per prompt, using mps friendly method
     SCREAMING_SNAKE_CASE__							,					SCREAMING_SNAKE_CASE__							,					SCREAMING_SNAKE_CASE__      							=				text_embeddings.shape
     SCREAMING_SNAKE_CASE__      							=				text_embeddings.repeat(1	,     _lowercase	,     1				)
     SCREAMING_SNAKE_CASE__      							=				text_embeddings.view(bs_embed * num_images_per_prompt	,     _lowercase	,     -1				)

     # here `guidance_scale` is defined analog to the guidance weight `w` of equation (2)
     # of the Imagen paper: https://arxiv.org/pdf/2205.11487.pdf . `guidance_scale = 1`
     # corresponds to doing no classifier free guidance.
     SCREAMING_SNAKE_CASE__      							=				guidance_scale > 1.0
     # get unconditional embeddings for classifier free guidance
     if do_classifier_free_guidance:
       SCREAMING_SNAKE_CASE__      							=				42
       if negative_prompt is None:
         SCREAMING_SNAKE_CASE__      							=				[""""""] * batch_size
       elif type(_lowercase				) is not type(_lowercase				):
         raise TypeError(
             f"""`negative_prompt` should be the same type to `prompt`, but got {type(_lowercase				)} !="""
             f""" {type(_lowercase				)}."""				)
       elif isinstance(_lowercase	,     _lowercase				):
         SCREAMING_SNAKE_CASE__      							=				[negative_prompt]
       elif batch_size != len(_lowercase				):
         raise ValueError(
             f"""`negative_prompt`: {negative_prompt} has batch size {len(_lowercase				)}, but `prompt`:"""
             f""" {prompt} has batch size {batch_size}. Please make sure that passed `negative_prompt` matches"""
             """ the batch size of `prompt`."""				)
       else:
         SCREAMING_SNAKE_CASE__      							=				negative_prompt

       SCREAMING_SNAKE_CASE__      							=				text_input_ids.shape[-1]
       SCREAMING_SNAKE_CASE__      							=				self.tokenizer(
           _lowercase	,     padding="""max_length"""	,     max_length=_lowercase	,     truncation=_lowercase	,     return_tensors="""pt"""	,     )
       SCREAMING_SNAKE_CASE__      							=				self.text_encoder(uncond_input.input_ids.to(self.device				)				)[0]

       # duplicate unconditional embeddings for each generation per prompt, using mps friendly method
       SCREAMING_SNAKE_CASE__      							=				uncond_embeddings.shape[1]
       SCREAMING_SNAKE_CASE__      							=				uncond_embeddings.repeat(1	,     _lowercase	,     1				)
       SCREAMING_SNAKE_CASE__      							=				uncond_embeddings.view(batch_size * num_images_per_prompt	,     _lowercase	,     -1				)

       # For classifier free guidance, we need to do two forward passes.
       # Here we concatenate the unconditional and text embeddings into a single batch
       # to avoid doing two forward passes
       SCREAMING_SNAKE_CASE__      							=				torch.cat([uncond_embeddings, text_embeddings]				)

     # get the initial random noise unless the user supplied it

     # Unlike in other pipelines, latents need to be generated in the target device
     # for 1-to-1 results reproducibility with the CompVis implementation.
     # However this currently doesn't work in `mps`.
     SCREAMING_SNAKE_CASE__      							=				(batch_size * num_images_per_prompt, self.unet.config.in_channels, height // 8, width // 8)
     SCREAMING_SNAKE_CASE__      							=				text_embeddings.dtype
     if latents is None:
       if self.device.type == "mps":
         # randn does not exist on mps
         SCREAMING_SNAKE_CASE__      							=				torch.randn(_lowercase	,     generator=_lowercase	,     device="""cpu"""	,     dtype=_lowercase				).to(
             self.device				)
       else:
         SCREAMING_SNAKE_CASE__      							=				torch.randn(_lowercase	,     generator=_lowercase	,     device=self.device	,     dtype=_lowercase				)
     else:
       if latents.shape != latents_shape:
         raise ValueError(f"""Unexpected latents shape, got {latents.shape}, expected {latents_shape}"""				)
       SCREAMING_SNAKE_CASE__      							=				latents.to(self.device				)

     # set timesteps
     self.scheduler.set_timesteps(_lowercase				)

     # Some schedulers like PNDM have timesteps as arrays
     # It's more optimized to move all timesteps to correct device beforehand
     SCREAMING_SNAKE_CASE__      							=				self.scheduler.timesteps.to(self.device				)

     # scale the initial noise by the standard deviation required by the scheduler
     SCREAMING_SNAKE_CASE__      							=				latents * self.scheduler.init_noise_sigma

     # prepare extra kwargs for the scheduler step, since not all schedulers have the same signature
     # eta (η) is only used with the DDIMScheduler, it will be ignored for other schedulers.
     # eta corresponds to η in DDIM paper: https://arxiv.org/abs/2010.02502
     # and should be between [0, 1]
     SCREAMING_SNAKE_CASE__      							=				"""eta""" in set(inspect.signature(self.scheduler.step				).parameters.keys()				)
     SCREAMING_SNAKE_CASE__      							=				{}
     if accepts_eta:
       SCREAMING_SNAKE_CASE__      							=				eta

     for i, t in enumerate(self.progress_bar(_lowercase				)				):
       # expand the latents if we are doing classifier free guidance
       SCREAMING_SNAKE_CASE__      							=				torch.cat([latents] * 2				) if do_classifier_free_guidance else latents
       SCREAMING_SNAKE_CASE__      							=				self.scheduler.scale_model_input(_lowercase	,     _lowercase				)

       # predict the noise residual
       SCREAMING_SNAKE_CASE__      							=				self.unet(_lowercase	,     _lowercase	,     encoder_hidden_states=_lowercase				).sample

       # perform guidance
       if do_classifier_free_guidance:
         SCREAMING_SNAKE_CASE__							,					SCREAMING_SNAKE_CASE__      							=				noise_pred.chunk(2				)
         SCREAMING_SNAKE_CASE__      							=				noise_pred_uncond + guidance_scale * (noise_pred_text - noise_pred_uncond)

       # compute the previous noisy sample x_t -> x_t-1
       SCREAMING_SNAKE_CASE__      							=				self.scheduler.step(_lowercase	,     _lowercase	,     _lowercase	,     **_lowercase				).prev_sample

       # call the callback, if provided
       if callback is not None and i % callback_steps == 0:
         callback(_lowercase	,     _lowercase	,     _lowercase				)

     SCREAMING_SNAKE_CASE__      							=				1 / 0.1_82_15 * latents
     SCREAMING_SNAKE_CASE__      							=				self.vae.decode(_lowercase				).sample

     SCREAMING_SNAKE_CASE__      							=				(image / 2 + 0.5).clamp(0	,     1				)

     # we always cast to float32 as this does not cause significant overhead and is compatible with bfloat16
     SCREAMING_SNAKE_CASE__      							=				image.cpu().permute(0	,     2	,     3	,     1				).float().numpy()

     if output_type == "pil":
       SCREAMING_SNAKE_CASE__      							=				self.numpy_to_pil(_lowercase				)

     if not return_dict:
       return image

     return StableDiffusionPipelineOutput(images=_lowercase	,     nsfw_content_detected=_lowercase				)

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      __a						(   self      :    str				):



     """simple docstring"""






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




   @property
   def      __a						(   self      :    str				):



     """simple docstring"""






     SCREAMING_SNAKE_CASE__      							=				1
     SCREAMING_SNAKE_CASE__      							=				3
     SCREAMING_SNAKE_CASE__      							=				(32, 32)

     SCREAMING_SNAKE_CASE__      							=				floats_tensor((batch_size, num_channels) + sizes	,     rng=random.Random(0				)				).to(_lowercase				)
     return image




   @property
   def      __a						(   self      :    Dict				):



     """simple docstring"""






     torch.manual_seed(0				)
     SCREAMING_SNAKE_CASE__      							=				UNetaDConditionModel(
         block_out_channels=(32, 32, 64)	,     layers_per_block=2	,     sample_size=32	,     in_channels=7	,     out_channels=4	,     down_block_types=("""DownBlock2D""", """CrossAttnDownBlock2D""", """CrossAttnDownBlock2D""")	,     up_block_types=("""CrossAttnUpBlock2D""", """CrossAttnUpBlock2D""", """UpBlock2D""")	,     cross_attention_dim=32	,     attention_head_dim=8	,     use_linear_projection=_lowercase	,     only_cross_attention=(True, True, False)	,     num_class_embeds=1_00	,     )
     return model




   @property
   def      __a						(   self      :    Optional[int]				):



     """simple docstring"""






     torch.manual_seed(0				)
     SCREAMING_SNAKE_CASE__      							=				AutoencoderKL(
         block_out_channels=[32, 32, 64]	,     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      __a						(   self      :    Dict				):



     """simple docstring"""






     torch.manual_seed(0				)
     SCREAMING_SNAKE_CASE__      							=				CLIPTextConfig(
         bos_token_id=0	,     eos_token_id=2	,     hidden_size=32	,     intermediate_size=37	,     layer_norm_eps=1E-05	,     num_attention_heads=4	,     num_hidden_layers=5	,     pad_token_id=1	,     vocab_size=10_00	,     hidden_act="""gelu"""	,     projection_dim=5_12	,     )
     return CLIPTextModel(_lowercase				)




   def      __a						(   self      :    Dict				):



     """simple docstring"""






     SCREAMING_SNAKE_CASE__      							=				"""cpu"""  # ensure determinism for the device-dependent torch.Generator
     SCREAMING_SNAKE_CASE__      							=				self.dummy_cond_unet_upscale
     SCREAMING_SNAKE_CASE__      							=				DDPMScheduler()
     SCREAMING_SNAKE_CASE__      							=				DDIMScheduler(prediction_type="""v_prediction"""				)
     SCREAMING_SNAKE_CASE__      							=				self.dummy_vae
     SCREAMING_SNAKE_CASE__      							=				self.dummy_text_encoder
     SCREAMING_SNAKE_CASE__      							=				CLIPTokenizer.from_pretrained("""hf-internal-testing/tiny-random-clip"""				)

     SCREAMING_SNAKE_CASE__      							=				self.dummy_image.cpu().permute(0	,     2	,     3	,     1				)[0]
     SCREAMING_SNAKE_CASE__      							=				Image.fromarray(np.uinta(_lowercase				)				).convert("""RGB"""				).resize((64, 64)				)

     # make sure here that pndm scheduler skips prk
     SCREAMING_SNAKE_CASE__      							=				StableDiffusionUpscalePipeline(
         unet=_lowercase	,     low_res_scheduler=_lowercase	,     scheduler=_lowercase	,     vae=_lowercase	,     text_encoder=_lowercase	,     tokenizer=_lowercase	,     max_noise_level=3_50	,     )
     SCREAMING_SNAKE_CASE__      							=				sd_pipe.to(_lowercase				)
     sd_pipe.set_progress_bar_config(disable=_lowercase				)

     SCREAMING_SNAKE_CASE__      							=				"""A painting of a squirrel eating a burger"""
     SCREAMING_SNAKE_CASE__      							=				torch.Generator(device=_lowercase				).manual_seed(0				)
     SCREAMING_SNAKE_CASE__      							=				sd_pipe(
         [prompt]	,     image=_lowercase	,     generator=_lowercase	,     guidance_scale=6.0	,     noise_level=20	,     num_inference_steps=2	,     output_type="""np"""	,     )

     SCREAMING_SNAKE_CASE__      							=				output.images

     SCREAMING_SNAKE_CASE__      							=				torch.Generator(device=_lowercase				).manual_seed(0				)
     SCREAMING_SNAKE_CASE__      							=				sd_pipe(
         [prompt]	,     image=_lowercase	,     generator=_lowercase	,     guidance_scale=6.0	,     noise_level=20	,     num_inference_steps=2	,     output_type="""np"""	,     return_dict=_lowercase	,     )[0]

     SCREAMING_SNAKE_CASE__      							=				image[0, -3:, -3:, -1]
     SCREAMING_SNAKE_CASE__      							=				image_from_tuple[0, -3:, -3:, -1]

     SCREAMING_SNAKE_CASE__      							=				low_res_image.size[0] * 4
     assert image.shape == (1, expected_height_width, expected_height_width, 3)
     SCREAMING_SNAKE_CASE__      							=				np.array([0.31_13, 0.39_10, 0.42_72, 0.48_59, 0.50_61, 0.46_52, 0.53_62, 0.57_15, 0.56_61]				)

     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      __a						(   self      :    Dict				):



     """simple docstring"""






     SCREAMING_SNAKE_CASE__      							=				"""cpu"""  # ensure determinism for the device-dependent torch.Generator
     SCREAMING_SNAKE_CASE__      							=				self.dummy_cond_unet_upscale
     SCREAMING_SNAKE_CASE__      							=				DDPMScheduler()
     SCREAMING_SNAKE_CASE__      							=				DDIMScheduler(prediction_type="""v_prediction"""				)
     SCREAMING_SNAKE_CASE__      							=				self.dummy_vae
     SCREAMING_SNAKE_CASE__      							=				self.dummy_text_encoder
     SCREAMING_SNAKE_CASE__      							=				CLIPTokenizer.from_pretrained("""hf-internal-testing/tiny-random-clip"""				)

     SCREAMING_SNAKE_CASE__      							=				self.dummy_image.cpu().permute(0	,     2	,     3	,     1				)[0]
     SCREAMING_SNAKE_CASE__      							=				Image.fromarray(np.uinta(_lowercase				)				).convert("""RGB"""				).resize((64, 64)				)

     # make sure here that pndm scheduler skips prk
     SCREAMING_SNAKE_CASE__      							=				StableDiffusionUpscalePipeline(
         unet=_lowercase	,     low_res_scheduler=_lowercase	,     scheduler=_lowercase	,     vae=_lowercase	,     text_encoder=_lowercase	,     tokenizer=_lowercase	,     max_noise_level=3_50	,     )
     SCREAMING_SNAKE_CASE__      							=				sd_pipe.to(_lowercase				)
     sd_pipe.set_progress_bar_config(disable=_lowercase				)

     SCREAMING_SNAKE_CASE__      							=				"""A painting of a squirrel eating a burger"""
     SCREAMING_SNAKE_CASE__      							=				sd_pipe(
         2 * [prompt]	,     image=2 * [low_res_image]	,     guidance_scale=6.0	,     noise_level=20	,     num_inference_steps=2	,     output_type="""np"""	,     )
     SCREAMING_SNAKE_CASE__      							=				output.images
     assert image.shape[0] == 2

     SCREAMING_SNAKE_CASE__      							=				torch.Generator(device=_lowercase				).manual_seed(0				)
     SCREAMING_SNAKE_CASE__      							=				sd_pipe(
         [prompt]	,     image=_lowercase	,     generator=_lowercase	,     num_images_per_prompt=2	,     guidance_scale=6.0	,     noise_level=20	,     num_inference_steps=2	,     output_type="""np"""	,     )
     SCREAMING_SNAKE_CASE__      							=				output.images
     assert image.shape[0] == 2




   @unittest.skipIf(torch_device != """cuda"""	,     """This test requires a GPU"""				)
   def      __a						(   self      :    str				):



     """simple docstring"""






     SCREAMING_SNAKE_CASE__      							=				self.dummy_cond_unet_upscale
     SCREAMING_SNAKE_CASE__      							=				DDPMScheduler()
     SCREAMING_SNAKE_CASE__      							=				DDIMScheduler(prediction_type="""v_prediction"""				)
     SCREAMING_SNAKE_CASE__      							=				self.dummy_vae
     SCREAMING_SNAKE_CASE__      							=				self.dummy_text_encoder
     SCREAMING_SNAKE_CASE__      							=				CLIPTokenizer.from_pretrained("""hf-internal-testing/tiny-random-clip"""				)

     SCREAMING_SNAKE_CASE__      							=				self.dummy_image.cpu().permute(0	,     2	,     3	,     1				)[0]
     SCREAMING_SNAKE_CASE__      							=				Image.fromarray(np.uinta(_lowercase				)				).convert("""RGB"""				).resize((64, 64)				)

     # put models in fp16, except vae as it overflows in fp16
     SCREAMING_SNAKE_CASE__      							=				unet.half()
     SCREAMING_SNAKE_CASE__      							=				text_encoder.half()

     # make sure here that pndm scheduler skips prk
     SCREAMING_SNAKE_CASE__      							=				StableDiffusionUpscalePipeline(
         unet=_lowercase	,     low_res_scheduler=_lowercase	,     scheduler=_lowercase	,     vae=_lowercase	,     text_encoder=_lowercase	,     tokenizer=_lowercase	,     max_noise_level=3_50	,     )
     SCREAMING_SNAKE_CASE__      							=				sd_pipe.to(_lowercase				)
     sd_pipe.set_progress_bar_config(disable=_lowercase				)

     SCREAMING_SNAKE_CASE__      							=				"""A painting of a squirrel eating a burger"""
     SCREAMING_SNAKE_CASE__      							=				torch.manual_seed(0				)
     SCREAMING_SNAKE_CASE__      							=				sd_pipe(
         [prompt]	,     image=_lowercase	,     generator=_lowercase	,     num_inference_steps=2	,     output_type="""np"""	,     ).images

     SCREAMING_SNAKE_CASE__      							=				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      __a						(   self      :    Optional[int]				):



     """simple docstring"""






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




   def      __a						(   self      :    str				):



     """simple docstring"""






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

     SCREAMING_SNAKE_CASE__      							=				"""stabilityai/stable-diffusion-x4-upscaler"""
     SCREAMING_SNAKE_CASE__      							=				StableDiffusionUpscalePipeline.from_pretrained(_lowercase				)
     pipe.to(_lowercase				)
     pipe.set_progress_bar_config(disable=_lowercase				)
     pipe.enable_attention_slicing()

     SCREAMING_SNAKE_CASE__      							=				"""a cat sitting on a park bench"""

     SCREAMING_SNAKE_CASE__      							=				torch.manual_seed(0				)
     SCREAMING_SNAKE_CASE__      							=				pipe(
         prompt=_lowercase	,     image=_lowercase	,     generator=_lowercase	,     output_type="""np"""	,     )
     SCREAMING_SNAKE_CASE__      							=				output.images[0]

     assert image.shape == (5_12, 5_12, 3)
     assert np.abs(expected_image - image				).max() < 1E-3




   def      __a						(   self      :    List[Any]				):



     """simple docstring"""






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

     SCREAMING_SNAKE_CASE__      							=				"""stabilityai/stable-diffusion-x4-upscaler"""
     SCREAMING_SNAKE_CASE__      							=				StableDiffusionUpscalePipeline.from_pretrained(
         _lowercase	,     torch_dtype=torch.floataa	,     )
     pipe.to(_lowercase				)
     pipe.set_progress_bar_config(disable=_lowercase				)
     pipe.enable_attention_slicing()

     SCREAMING_SNAKE_CASE__      							=				"""a cat sitting on a park bench"""

     SCREAMING_SNAKE_CASE__      							=				torch.manual_seed(0				)
     SCREAMING_SNAKE_CASE__      							=				pipe(
         prompt=_lowercase	,     image=_lowercase	,     generator=_lowercase	,     output_type="""np"""	,     )
     SCREAMING_SNAKE_CASE__      							=				output.images[0]

     assert image.shape == (5_12, 5_12, 3)
     assert np.abs(expected_image - image				).max() < 5E-1




   def      __a						(   self      :    Any				):



     """simple docstring"""






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

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

     SCREAMING_SNAKE_CASE__      							=				"""stabilityai/stable-diffusion-x4-upscaler"""
     SCREAMING_SNAKE_CASE__      							=				StableDiffusionUpscalePipeline.from_pretrained(
         _lowercase	,     torch_dtype=torch.floataa	,     )
     pipe.to(_lowercase				)
     pipe.set_progress_bar_config(disable=_lowercase				)
     pipe.enable_attention_slicing(1				)
     pipe.enable_sequential_cpu_offload()

     SCREAMING_SNAKE_CASE__      							=				"""a cat sitting on a park bench"""

     SCREAMING_SNAKE_CASE__      							=				torch.manual_seed(0				)
     SCREAMING_SNAKE_CASE__      							=				pipe(
         prompt=_lowercase	,     image=_lowercase	,     generator=_lowercase	,     num_inference_steps=5	,     output_type="""np"""	,     )

     SCREAMING_SNAKE_CASE__      							=				torch.cuda.max_memory_allocated()
     # make sure that less than 2.9 GB is allocated
     assert mem_bytes < 2.9 * 10**9
