






import os
import re
import unicodedata
from shutil import copyfile
from typing import Any, Dict, List, Optional, Tuple

import sentencepiece as spm

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...utils import logging


lowerCamelCase_						     =  logging.get_logger(__name__)
lowerCamelCase_						     =  {"""vocab_file""": """spiece.model"""}

lowerCamelCase_						     =  {
    """vocab_file""": {
        """google/fnet-base""": """https://huggingface.co/google/fnet-base/resolve/main/spiece.model""",
        """google/fnet-large""": """https://huggingface.co/google/fnet-large/resolve/main/spiece.model""",
    },
}

lowerCamelCase_						     =  {
    """google/fnet-base""": 5_1_2,
    """google/fnet-large""": 5_1_2,
}

lowerCamelCase_						     =  """▁"""




class 							a_ (						a_		):


							'''simple docstring'''






							__a:	Optional[int]     =    VOCAB_FILES_NAMES
							__a:	Union[str, Any]     =    PRETRAINED_VOCAB_FILES_MAP
							__a:	List[Any]     =    PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
							__a:	Any     =    ['''input_ids''', '''token_type_ids''']

							def __init__(		self			,			lowercase_			,			lowercase_=False			,			lowercase_=True			,			lowercase_=True			,			lowercase_="<unk>"			,			lowercase_="[SEP]"			,			lowercase_="<pad>"			,			lowercase_="[CLS]"			,			lowercase_="[MASK]"			,			lowercase_ = None			,			**lowercase_			,			)					->					None:
														'''simple docstring'''

														lowerCAmelCase_										=     (
														    AddedToken(lowercase_			,			lstrip=lowercase_			,			rstrip=lowercase_			,			normalized=lowercase_   )
														    if isinstance(lowercase_			,			lowercase_   )
														    else mask_token
														)

														lowerCAmelCase_										=     {} if sp_model_kwargs is None else sp_model_kwargs

														super().__init__(
														    do_lower_case=lowercase_			,			remove_space=lowercase_			,			keep_accents=lowercase_			,			unk_token=lowercase_			,			sep_token=lowercase_			,			pad_token=lowercase_			,			cls_token=lowercase_			,			mask_token=lowercase_			,			sp_model_kwargs=self.sp_model_kwargs			,			**lowercase_			,			)

														lowerCAmelCase_										=     do_lower_case
														lowerCAmelCase_										=     remove_space
														lowerCAmelCase_										=     keep_accents
														lowerCAmelCase_										=     vocab_file

														lowerCAmelCase_										=     spm.SentencePieceProcessor(**self.sp_model_kwargs   )
														self.sp_model.Load(lowercase_   )

							@property
							def      _lowercase       (		self   )					->					Optional[Any]:
														'''simple docstring'''

														return len(self.sp_model   )

							def      _lowercase       (		self   )					->					Dict:
														'''simple docstring'''

														lowerCAmelCase_										=     {self.convert_ids_to_tokens(lowercase_   ): i for i in range(self.vocab_size   )}
														vocab.update(self.added_tokens_encoder   )
														return vocab

							def __getstate__(		self   )					->					Dict:
														'''simple docstring'''

														lowerCAmelCase_										=     self.__dict__.copy()
														lowerCAmelCase_										=     None
														return state

							def __setstate__(		self			,			lowercase_   )					->					Optional[int]:
														'''simple docstring'''

														lowerCAmelCase_										=     d

														# for backward compatibility
														if not hasattr(self			,			'sp_model_kwargs'   ):
																					lowerCAmelCase_										=     {}

														lowerCAmelCase_										=     spm.SentencePieceProcessor(**self.sp_model_kwargs   )
														self.sp_model.Load(self.vocab_file   )

							def      _lowercase       (		self			,			lowercase_   )					->					str:
														'''simple docstring'''

														if self.remove_space:
																					lowerCAmelCase_										=     ' '.join(inputs.strip().split()   )
														else:
																					lowerCAmelCase_										=     inputs
														lowerCAmelCase_										=     outputs.replace('``'			,			'"'   ).replace('\'\''			,			'"'   )

														if not self.keep_accents:
																					lowerCAmelCase_										=     unicodedata.normalize('NFKD'			,			lowercase_   )
																					lowerCAmelCase_										=     ''.join([c for c in outputs if not unicodedata.combining(lowercase_   )]   )
														if self.do_lower_case:
																					lowerCAmelCase_										=     outputs.lower()

														return outputs

							def      _lowercase       (		self			,			lowercase_   )					->					List[str]:
														'''simple docstring'''

														lowerCAmelCase_										=     self.preprocess_text(lowercase_   )
														lowerCAmelCase_										=     self.sp_model.encode(lowercase_			,			out_type=lowercase_   )
														lowerCAmelCase_										=     []
														for piece in pieces:
																					if len(lowercase_   ) > 1 and piece[-1] == str(','   ) and piece[-2].isdigit():
																												lowerCAmelCase_										=     self.sp_model.EncodeAsPieces(piece[:-1].replace(lowercase_			,			''   )   )
																												if piece[0] != SPIECE_UNDERLINE and cur_pieces[0][0] == SPIECE_UNDERLINE:
																																			if len(cur_pieces[0]   ) == 1:
																																										lowerCAmelCase_										=     cur_pieces[1:]
																																			else:
																																										lowerCAmelCase_										=     cur_pieces[0][1:]
																												cur_pieces.append(piece[-1]   )
																												new_pieces.extend(lowercase_   )
																					else:
																												new_pieces.append(lowercase_   )

														return new_pieces

							def      _lowercase       (		self			,			lowercase_   )					->					Tuple:
														'''simple docstring'''

														return self.sp_model.PieceToId(lowercase_   )

							def      _lowercase       (		self			,			lowercase_   )					->					Union[str, Any]:
														'''simple docstring'''

														return self.sp_model.IdToPiece(lowercase_   )

							def      _lowercase       (		self			,			lowercase_   )					->					Union[str, Any]:
														'''simple docstring'''

														lowerCAmelCase_										=     []
														lowerCAmelCase_										=     ''
														lowerCAmelCase_										=     False
														for token in tokens:
																					# make sure that special tokens are not decoded using sentencepiece model
																					if token in self.all_special_tokens:
																												if not prev_is_special:
																																			out_string += " "
																												out_string += self.sp_model.decode(lowercase_   ) + token
																												lowerCAmelCase_										=     True
																												lowerCAmelCase_										=     []
																					else:
																												current_sub_tokens.append(lowercase_   )
																												lowerCAmelCase_										=     False
														out_string += self.sp_model.decode(lowercase_   )
														return out_string.strip()

							def      _lowercase       (		self			,			lowercase_			,			lowercase_ = False			,			lowercase_ = None			,			lowercase_ = True			,			**lowercase_			,			)					->					str:
														'''simple docstring'''

														lowerCAmelCase_										=     kwargs.pop('use_source_tokenizer'			,			lowercase_   )

														lowerCAmelCase_										=     self.convert_ids_to_tokens(lowercase_			,			skip_special_tokens=lowercase_   )

														# To avoid mixing byte-level and unicode for byte-level BPT
														# we need to build string separately for added tokens and byte-level tokens
														# cf. https://github.com/huggingface/transformers/issues/1133
														lowerCAmelCase_										=     []
														lowerCAmelCase_										=     []
														for token in filtered_tokens:
																					if skip_special_tokens and token in self.all_special_ids:
																												continue
																					if token in self.added_tokens_encoder:
																												if current_sub_text:
																																			sub_texts.append(self.convert_tokens_to_string(lowercase_   )   )
																																			lowerCAmelCase_										=     []
																												sub_texts.append(lowercase_   )
																					else:
																												current_sub_text.append(lowercase_   )
														if current_sub_text:
																					sub_texts.append(self.convert_tokens_to_string(lowercase_   )   )

														# Mimic the behavior of the Rust tokenizer:
														# No space after <unk>
														if spaces_between_special_tokens:
																					lowerCAmelCase_										=     re.sub(R'(<unk>) '			,			R'\1'			,			' '.join(lowercase_   )   )
														else:
																					lowerCAmelCase_										=     ''.join(lowercase_   )

														lowerCAmelCase_										=     (
														    clean_up_tokenization_spaces
														    if clean_up_tokenization_spaces is not None
														    else self.clean_up_tokenization_spaces
														)
														if clean_up_tokenization_spaces:
																					lowerCAmelCase_										=     self.clean_up_tokenization(lowercase_   )
																					return clean_text
														else:
																					return text

							def      _lowercase       (		self			,			lowercase_			,			lowercase_ = None   )					->					List[int]:
														'''simple docstring'''

														lowerCAmelCase_										=     [self.sep_token_id]
														lowerCAmelCase_										=     [self.cls_token_id]
														if token_ids_a is None:
																					return cls + token_ids_a + sep
														return cls + token_ids_a + sep + token_ids_a + sep

							def      _lowercase       (		self			,			lowercase_			,			lowercase_ = None			,			lowercase_ = False   )					->					List[int]:
														'''simple docstring'''

														if already_has_special_tokens:
																					return super().get_special_tokens_mask(
																					    token_ids_a=lowercase_			,			token_ids_a=lowercase_			,			already_has_special_tokens=lowercase_   )

														if token_ids_a is not None:
																					return [1] + ([0] * len(lowercase_   )) + [1] + ([0] * len(lowercase_   )) + [1]
														return [1] + ([0] * len(lowercase_   )) + [1]

							def      _lowercase       (		self			,			lowercase_			,			lowercase_ = None   )					->					List[int]:
														'''simple docstring'''

														lowerCAmelCase_										=     [self.sep_token_id]
														lowerCAmelCase_										=     [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   ) * [0] + len(token_ids_a + sep   ) * [1]






							def      _lowercase       (		self			,			lowercase_			,			lowercase_ = None   )					->					Tuple[str]:
														'''simple docstring'''

														if not os.path.isdir(lowercase_   ):
																					logger.error(f'''Vocabulary path ({save_directory}) should be a directory'''   )
																					return
														lowerCAmelCase_										=     os.path.join(
														    lowercase_			,			(filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['vocab_file']   )

														if os.path.abspath(self.vocab_file   ) != os.path.abspath(lowercase_   ) and os.path.isfile(self.vocab_file   ):
																					copyfile(self.vocab_file			,			lowercase_   )
														elif not os.path.isfile(self.vocab_file   ):
																					with open(lowercase_			,			'wb'   ) as fi:
																												lowerCAmelCase_										=     self.sp_model.serialized_model_proto()
																												fi.write(lowercase_   )

														return (out_vocab_file,)











import inspect
from typing import List, Optional, Union

import torch
from torch import nn
from torch.nn import functional as F
from torchvision import transforms
from transformers import CLIPImageProcessor, CLIPModel, CLIPTextModel, CLIPTokenizer

from diffusers import (
    AutoencoderKL,
    DDIMScheduler,
    DiffusionPipeline,
    DPMSolverMultistepScheduler,
    LMSDiscreteScheduler,
    PNDMScheduler,
    UNetaDConditionModel,
)
from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion import StableDiffusionPipelineOutput




class 							a_ (						nn.Module		):


							'''simple docstring'''






							def __init__(		self			,			lowercase_			,			lowercase_=1.0   )					->					Any:
														'''simple docstring'''

														super().__init__()

														lowerCAmelCase_										=     cut_size
														lowerCAmelCase_										=     cut_power






							def      _lowercase       (		self			,			lowercase_			,			lowercase_   )					->					int:
														'''simple docstring'''

														lowerCAmelCase_						,   lowerCAmelCase_										=     pixel_values.shape[2:4]
														lowerCAmelCase_										=     min(lowercase_			,			lowercase_   )
														lowerCAmelCase_										=     min(lowercase_			,			lowercase_			,			self.cut_size   )
														lowerCAmelCase_										=     []
														for _ in range(lowercase_   ):
																					lowerCAmelCase_										=     int(torch.rand([]   ) ** self.cut_power * (max_size - min_size) + min_size   )
																					lowerCAmelCase_										=     torch.randint(0			,			sideX - size + 1			,			()   )
																					lowerCAmelCase_										=     torch.randint(0			,			sideY - size + 1			,			()   )
																					lowerCAmelCase_										=     pixel_values[:, :, offsety : offsety + size, offsetx : offsetx + size]
																					cutouts.append(F.adaptive_avg_poolad(lowercase_			,			self.cut_size   )   )
														return torch.cat(lowercase_   )


def      lowerCamelCase					(						a_ ,						a_	)	->			Optional[int]:
							lowerCAmelCase_										=     F.normalize(a_ ,						dim=-1	)
							lowerCAmelCase_										=     F.normalize(a_ ,						dim=-1	)
							return (x - y).norm(dim=-1	).div(2	).arcsin().pow(2	).mul(2	)
def      lowerCamelCase					(						a_ ,						a_	)	->			int:
							for param in model.parameters():
														lowerCAmelCase_										=     value




class 							a_ (						a_		):


							'''simple docstring'''






							def __init__(		self			,			lowercase_			,			lowercase_			,			lowercase_			,			lowercase_			,			lowercase_			,			lowercase_			,			lowercase_			,			)					->					str:
														'''simple docstring'''

														super().__init__()
														self.register_modules(
														    vae=lowercase_			,			text_encoder=lowercase_			,			clip_model=lowercase_			,			tokenizer=lowercase_			,			unet=lowercase_			,			scheduler=lowercase_			,			feature_extractor=lowercase_			,			)

														lowerCAmelCase_										=     transforms.Normalize(mean=feature_extractor.image_mean			,			std=feature_extractor.image_std   )
														lowerCAmelCase_										=     (
														    feature_extractor.size
														    if isinstance(feature_extractor.size			,			lowercase_   )
														    else feature_extractor.size['shortest_edge']
														)
														lowerCAmelCase_										=     MakeCutouts(self.cut_out_size   )

														set_requires_grad(self.text_encoder			,			lowercase_   )
														set_requires_grad(self.clip_model			,			lowercase_   )

							def      _lowercase       (		self			,			lowercase_ = "auto"   )					->					Union[str, Any]:
														'''simple docstring'''

														if slice_size == "auto":
																					# half the attention head size is usually a good trade-off between
																					# speed and memory
																					lowerCAmelCase_										=     self.unet.config.attention_head_dim // 2
														self.unet.set_attention_slice(lowercase_   )

							def      _lowercase       (		self   )					->					List[Any]:
														'''simple docstring'''

														self.enable_attention_slicing(lowercase_   )

							def      _lowercase       (		self   )					->					str:
														'''simple docstring'''

														set_requires_grad(self.vae			,			lowercase_   )

							def      _lowercase       (		self   )					->					List[str]:
														'''simple docstring'''

														set_requires_grad(self.vae			,			lowercase_   )

							def      _lowercase       (		self   )					->					List[str]:
														'''simple docstring'''

														set_requires_grad(self.unet			,			lowercase_   )

							def      _lowercase       (		self   )					->					Tuple:
														'''simple docstring'''

														set_requires_grad(self.unet			,			lowercase_   )

							@torch.enable_grad()
							def      _lowercase       (		self			,			lowercase_			,			lowercase_			,			lowercase_			,			lowercase_			,			lowercase_			,			lowercase_			,			lowercase_			,			lowercase_			,			lowercase_=True			,			)					->					Union[str, Any]:
														'''simple docstring'''

														lowerCAmelCase_										=     latents.detach().requires_grad_()

														lowerCAmelCase_										=     self.scheduler.scale_model_input(lowercase_			,			lowercase_   )

														# predict the noise residual
														lowerCAmelCase_										=     self.unet(lowercase_			,			lowercase_			,			encoder_hidden_states=lowercase_   ).sample

														if isinstance(self.scheduler			,			(PNDMScheduler, DDIMScheduler, DPMSolverMultistepScheduler)   ):
																					lowerCAmelCase_										=     self.scheduler.alphas_cumprod[timestep]
																					lowerCAmelCase_										=     1 - alpha_prod_t
																					# compute predicted original sample from predicted noise also called
																					# "predicted x_0" of formula (12) from https://arxiv.org/pdf/2010.02502.pdf
																					lowerCAmelCase_										=     (latents - beta_prod_t ** 0.5 * noise_pred) / alpha_prod_t ** 0.5

																					lowerCAmelCase_										=     torch.sqrt(lowercase_   )
																					lowerCAmelCase_										=     pred_original_sample * (fac) + latents * (1 - fac)
														elif isinstance(self.scheduler			,			lowercase_   ):
																					lowerCAmelCase_										=     self.scheduler.sigmas[index]
																					lowerCAmelCase_										=     latents - sigma * noise_pred
														else:
																					raise ValueError(f'''scheduler type {type(self.scheduler   )} not supported'''   )

														lowerCAmelCase_										=     1 / self.vae.config.scaling_factor * sample
														lowerCAmelCase_										=     self.vae.decode(lowercase_   ).sample
														lowerCAmelCase_										=     (image / 2 + 0.5).clamp(0			,			1   )

														if use_cutouts:
																					lowerCAmelCase_										=     self.make_cutouts(lowercase_			,			lowercase_   )
														else:
																					lowerCAmelCase_										=     transforms.Resize(self.cut_out_size   )(lowercase_   )
														lowerCAmelCase_										=     self.normalize(lowercase_   ).to(latents.dtype   )

														lowerCAmelCase_										=     self.clip_model.get_image_features(lowercase_   )
														lowerCAmelCase_										=     image_embeddings_clip / image_embeddings_clip.norm(p=2			,			dim=-1			,			keepdim=lowercase_   )

														if use_cutouts:
																					lowerCAmelCase_										=     spherical_dist_loss(lowercase_			,			lowercase_   )
																					lowerCAmelCase_										=     dists.view([num_cutouts, sample.shape[0], -1]   )
																					lowerCAmelCase_										=     dists.sum(2   ).mean(0   ).sum() * clip_guidance_scale
														else:
																					lowerCAmelCase_										=     spherical_dist_loss(lowercase_			,			lowercase_   ).mean() * clip_guidance_scale

														lowerCAmelCase_										=     -torch.autograd.grad(lowercase_			,			lowercase_   )[0]

														if isinstance(self.scheduler			,			lowercase_   ):
																					lowerCAmelCase_										=     latents.detach() + grads * (sigma**2)
																					lowerCAmelCase_										=     noise_pred_original
														else:
																					lowerCAmelCase_										=     noise_pred_original - torch.sqrt(lowercase_   ) * grads
														return noise_pred, latents






							@torch.no_grad()
							def __call__(		self			,			lowercase_			,			lowercase_ = 5_1_2			,			lowercase_ = 5_1_2			,			lowercase_ = 5_0			,			lowercase_ = 7.5			,			lowercase_ = 1			,			lowercase_ = 0.0			,			lowercase_ = 1_0_0			,			lowercase_ = None			,			lowercase_ = 4			,			lowercase_ = True			,			lowercase_ = None			,			lowercase_ = None			,			lowercase_ = "pil"			,			lowercase_ = True			,			)					->					str:
														'''simple docstring'''

														if isinstance(lowercase_			,			lowercase_   ):
																					lowerCAmelCase_										=     1
														elif isinstance(lowercase_			,			lowercase_   ):
																					lowerCAmelCase_										=     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}.'''   )

														# get prompt text embeddings
														lowerCAmelCase_										=     self.tokenizer(
														    lowercase_			,			padding='max_length'			,			max_length=self.tokenizer.model_max_length			,			truncation=lowercase_			,			return_tensors='pt'			,			)
														lowerCAmelCase_										=     self.text_encoder(text_input.input_ids.to(self.device   )   )[0]
														# duplicate text embeddings for each generation per prompt
														lowerCAmelCase_										=     text_embeddings.repeat_interleave(lowercase_			,			dim=0   )

														if clip_guidance_scale > 0:
																					if clip_prompt is not None:
																												lowerCAmelCase_										=     self.tokenizer(
																												    lowercase_			,			padding='max_length'			,			max_length=self.tokenizer.model_max_length			,			truncation=lowercase_			,			return_tensors='pt'			,			).input_ids.to(self.device   )
																					else:
																												lowerCAmelCase_										=     text_input.input_ids.to(self.device   )
																					lowerCAmelCase_										=     self.clip_model.get_text_features(lowercase_   )
																					lowerCAmelCase_										=     text_embeddings_clip / text_embeddings_clip.norm(p=2			,			dim=-1			,			keepdim=lowercase_   )
																					# duplicate text embeddings clip for each generation per prompt
																					lowerCAmelCase_										=     text_embeddings_clip.repeat_interleave(lowercase_			,			dim=0   )

														# 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.
														lowerCAmelCase_										=     guidance_scale > 1.0
														# get unconditional embeddings for classifier free guidance
														if do_classifier_free_guidance:
																					lowerCAmelCase_										=     text_input.input_ids.shape[-1]
																					lowerCAmelCase_										=     self.tokenizer(['']			,			padding='max_length'			,			max_length=lowercase_			,			return_tensors='pt'   )
																					lowerCAmelCase_										=     self.text_encoder(uncond_input.input_ids.to(self.device   )   )[0]
																					# duplicate unconditional embeddings for each generation per prompt
																					lowerCAmelCase_										=     uncond_embeddings.repeat_interleave(lowercase_			,			dim=0   )

																					# 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
																					lowerCAmelCase_										=     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`.
														lowerCAmelCase_										=     (batch_size * num_images_per_prompt, self.unet.config.in_channels, height // 8, width // 8)
														lowerCAmelCase_										=     text_embeddings.dtype
														if latents is None:
																					if self.device.type == "mps":
																												# randn does not work reproducibly on mps
																												lowerCAmelCase_										=     torch.randn(lowercase_			,			generator=lowercase_			,			device='cpu'			,			dtype=lowercase_   ).to(
																												    self.device   )
																					else:
																												lowerCAmelCase_										=     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}'''   )
																					lowerCAmelCase_										=     latents.to(self.device   )

														# set timesteps
														lowerCAmelCase_										=     'offset' in set(inspect.signature(self.scheduler.set_timesteps   ).parameters.keys()   )
														lowerCAmelCase_										=     {}
														if accepts_offset:
																					lowerCAmelCase_										=     1

														self.scheduler.set_timesteps(lowercase_			,			**lowercase_   )

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

														# scale the initial noise by the standard deviation required by the scheduler
														lowerCAmelCase_										=     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]
														lowerCAmelCase_										=     'eta' in set(inspect.signature(self.scheduler.step   ).parameters.keys()   )
														lowerCAmelCase_										=     {}
														if accepts_eta:
																					lowerCAmelCase_										=     eta

														# check if the scheduler accepts generator
														lowerCAmelCase_										=     'generator' in set(inspect.signature(self.scheduler.step   ).parameters.keys()   )
														if accepts_generator:
																					lowerCAmelCase_										=     generator

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

																					# predict the noise residual
																					lowerCAmelCase_										=     self.unet(lowercase_			,			lowercase_			,			encoder_hidden_states=lowercase_   ).sample

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

																					# perform clip guidance
																					if clip_guidance_scale > 0:
																												lowerCAmelCase_										=     (
																												    text_embeddings.chunk(2   )[1] if do_classifier_free_guidance else text_embeddings
																												)
																												lowerCAmelCase_						,   lowerCAmelCase_										=     self.cond_fn(
																												    lowercase_			,			lowercase_			,			lowercase_			,			lowercase_			,			lowercase_			,			lowercase_			,			lowercase_			,			lowercase_			,			lowercase_			,			)

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

														# scale and decode the image latents with vae
														lowerCAmelCase_										=     1 / self.vae.config.scaling_factor * latents
														lowerCAmelCase_										=     self.vae.decode(lowercase_   ).sample

														lowerCAmelCase_										=     (image / 2 + 0.5).clamp(0			,			1   )
														lowerCAmelCase_										=     image.cpu().permute(0			,			2			,			3			,			1   ).numpy()

														if output_type == "pil":
																					lowerCAmelCase_										=     self.numpy_to_pil(lowercase_   )

														if not return_dict:
																					return (image, None)

														return StableDiffusionPipelineOutput(images=lowercase_			,			nsfw_content_detected=lowercase_   )



