



'''simple docstring'''




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

import numpy as np
import PIL
import torch
import torch.utils.checkpoint

from ...models import UNetaDModel, VQModel
from ...schedulers import (
    DDIMScheduler,
    DPMSolverMultistepScheduler,
    EulerAncestralDiscreteScheduler,
    EulerDiscreteScheduler,
    LMSDiscreteScheduler,
    PNDMScheduler,
)
from ...utils import PIL_INTERPOLATION, randn_tensor
from ..pipeline_utils import DiffusionPipeline, ImagePipelineOutput



def 	a			( lowerCamelCase__    ):
			'''simple docstring'''





			A_	:						List[Any]	=     image.size
			A_	:						List[str]	=     (x - x % 32 for x in (w, h))  # resize to integer multiple of 32
			A_	:						Optional[Any]	=     image.resize((w, h)						,      resample=PIL_INTERPOLATION["""lanczos"""]    )
			A_	:						List[Any]	=     np.array(_lowerCAmelCase    ).astype(np.floataa    ) / 255.0
			A_	:						Optional[Any]	=     image[None].transpose(0						,      3						,      1						,      2    )
			A_	:						int	=     torch.from_numpy(_lowerCAmelCase    )
			return 2.0 * image - 1.0







class 	_lowerCAmelCase							(			SCREAMING_SNAKE_CASE_ ):


	def __init__(self       ,      lowercase       ,      lowercase       ,      lowercase       ,      ):
				super().__init__()
				self.register_modules(vqvae=_a       ,      unet=_a       ,      scheduler=_a							)


	@torch.no_grad()
	def __call__(self       ,      lowercase = None       ,      lowercase = 1       ,      lowercase = 100       ,      lowercase = 0.0       ,      lowercase = None       ,      lowercase = "pil"       ,      lowercase = True       ,      ):
				if isinstance(_a       ,      PIL.Image.Image							):
							A_	:						Any	=     1
				elif isinstance(_a       ,      torch.Tensor							):
							A_	:						Any	=     image.shape[0]
				else:
							raise ValueError(F'`image` has to be of type `PIL.Image.Image` or `torch.Tensor` but is {type(_a							)}'							)

				if isinstance(_a       ,      PIL.Image.Image							):
							A_	:						List[str]	=     preprocess(_a							)

				A_	:						List[str]	=     image.shape[-2:]

				# in_channels should be 6: 3 for latents, 3 for low resolution image
				A_	:						Union[str, Any]	=     (batch_size, self.unet.config.in_channels // 2, height, width)
				A_	:						Tuple	=     next(self.unet.parameters()							).dtype

				A_	:						Optional[int]	=     randn_tensor(_a       ,      generator=_a       ,      device=self.device       ,      dtype=_a							)

				A_	:						Optional[int]	=     image.to(device=self.device       ,      dtype=_a							)

				# set timesteps and move to the correct device
				self.scheduler.set_timesteps(_a       ,      device=self.device							)
				A_	:						Union[str, Any]	=     self.scheduler.timesteps

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

				for t in self.progress_bar(_a							):
							# concat latents and low resolution image in the channel dimension.
							A_	:						str	=     torch.cat([latents, image]       ,      dim=1							)
							A_	:						Union[str, Any]	=     self.scheduler.scale_model_input(_a       ,      _a							)
							# predict the noise residual
							A_	:						Optional[int]	=     self.unet(_a       ,      _a							).sample
							# compute the previous noisy sample x_t -> x_t-1
							A_	:						List[Any]	=     self.scheduler.step(_a       ,      _a       ,      _a       ,      **_a							).prev_sample

				# decode the image latents with the VQVAE
				A_	:						Union[str, Any]	=     self.vqvae.decode(_a							).sample
				A_	:						Union[str, Any]	=     torch.clamp(_a       ,      -1.0       ,      1.0							)
				A_	:						List[str]	=     image / 2 + 0.5
				A_	:						Optional[Any]	=     image.cpu().permute(0       ,      2       ,      3       ,      1							).numpy()

				if output_type == "pil":
							A_	:						Tuple	=     self.numpy_to_pil(_a							)

				if not return_dict:
							return (image,)

				return ImagePipelineOutput(images=_a							)




'''simple docstring'''





import argparse
import io

import requests
import torch
from omegaconf import OmegaConf

from diffusers import AutoencoderKL
from diffusers.pipelines.stable_diffusion.convert_from_ckpt import (
    assign_to_checkpoint,
    conv_attn_to_linear,
    create_vae_diffusers_config,
    renew_vae_attention_paths,
    renew_vae_resnet_paths,
)

def        a_     (							_lowerCAmelCase       ,_lowerCAmelCase       )      ->      Dict:
  __lowerCamelCase       :       Any           = checkpoint

  __lowerCamelCase       :       List[str]           = {}

  __lowerCamelCase       :       List[str]           = vae_state_dict['encoder.conv_in.weight']
  __lowerCamelCase       :       Dict           = vae_state_dict['encoder.conv_in.bias']
  __lowerCamelCase       :       Optional[Any]           = vae_state_dict['encoder.conv_out.weight']
  __lowerCamelCase       :       Optional[int]           = vae_state_dict['encoder.conv_out.bias']
  __lowerCamelCase       :       Optional[int]           = vae_state_dict['encoder.norm_out.weight']
  __lowerCamelCase       :       Optional[int]           = vae_state_dict['encoder.norm_out.bias']

  __lowerCamelCase       :       Dict           = vae_state_dict['decoder.conv_in.weight']
  __lowerCamelCase       :       List[str]           = vae_state_dict['decoder.conv_in.bias']
  __lowerCamelCase       :       Tuple           = vae_state_dict['decoder.conv_out.weight']
  __lowerCamelCase       :       List[str]           = vae_state_dict['decoder.conv_out.bias']
  __lowerCamelCase       :       Dict           = vae_state_dict['decoder.norm_out.weight']
  __lowerCamelCase       :       Union[str, Any]           = vae_state_dict['decoder.norm_out.bias']

  __lowerCamelCase       :       Any           = vae_state_dict['quant_conv.weight']
  __lowerCamelCase       :       Union[str, Any]           = vae_state_dict['quant_conv.bias']
  __lowerCamelCase       :       Tuple           = vae_state_dict['post_quant_conv.weight']
  __lowerCamelCase       :       List[Any]           = vae_state_dict['post_quant_conv.bias']

  # Retrieves the keys for the encoder down blocks only
  __lowerCamelCase       :       str           = len({'.'.join(layer.split('.'       )[:3]       ) for layer in vae_state_dict if 'encoder.down' in layer}       )
  __lowerCamelCase       :       int           = {
      layer_id: [key for key in vae_state_dict if F'down.{layer_id}' in key] for layer_id in range(_lowerCAmelCase       )
  }

  # Retrieves the keys for the decoder up blocks only
  __lowerCamelCase       :       Dict           = len({'.'.join(layer.split('.'       )[:3]       ) for layer in vae_state_dict if 'decoder.up' in layer}       )
  __lowerCamelCase       :       Dict           = {
      layer_id: [key for key in vae_state_dict if F'up.{layer_id}' in key] for layer_id in range(_lowerCAmelCase       )
  }

  for i in range(_lowerCAmelCase       ):
    __lowerCamelCase       :       List[str]           = [key for key in down_blocks[i] if F'down.{i}' in key and F'down.{i}.downsample' not in key]

    if F'encoder.down.{i}.downsample.conv.weight' in vae_state_dict:
      __lowerCamelCase       :       Any           = vae_state_dict.pop(
          F'encoder.down.{i}.downsample.conv.weight'       )
      __lowerCamelCase       :       Any           = vae_state_dict.pop(
          F'encoder.down.{i}.downsample.conv.bias'       )

    __lowerCamelCase       :       Optional[int]           = renew_vae_resnet_paths(_lowerCAmelCase       )
    __lowerCamelCase       :       Any           = {'old': F'down.{i}.block', 'new': F'down_blocks.{i}.resnets'}
    assign_to_checkpoint(_lowerCAmelCase       ,_lowerCAmelCase       ,_lowerCAmelCase       ,additional_replacements=[meta_path]       ,config=_lowerCAmelCase       )

  __lowerCamelCase       :       List[Any]           = [key for key in vae_state_dict if 'encoder.mid.block' in key]
  __lowerCamelCase       :       str           = 2
  for i in range(1       ,num_mid_res_blocks + 1       ):
    __lowerCamelCase       :       int           = [key for key in mid_resnets if F'encoder.mid.block_{i}' in key]

    __lowerCamelCase       :       Optional[Any]           = renew_vae_resnet_paths(_lowerCAmelCase       )
    __lowerCamelCase       :       Dict           = {'old': F'mid.block_{i}', 'new': F'mid_block.resnets.{i - 1}'}
    assign_to_checkpoint(_lowerCAmelCase       ,_lowerCAmelCase       ,_lowerCAmelCase       ,additional_replacements=[meta_path]       ,config=_lowerCAmelCase       )

  __lowerCamelCase       :       Optional[Any]           = [key for key in vae_state_dict if 'encoder.mid.attn' in key]
  __lowerCamelCase       :       int           = renew_vae_attention_paths(_lowerCAmelCase       )
  __lowerCamelCase       :       Optional[Any]           = {'old': 'mid.attn_1', 'new': 'mid_block.attentions.0'}
  assign_to_checkpoint(_lowerCAmelCase       ,_lowerCAmelCase       ,_lowerCAmelCase       ,additional_replacements=[meta_path]       ,config=_lowerCAmelCase       )
  conv_attn_to_linear(_lowerCAmelCase       )

  for i in range(_lowerCAmelCase       ):
    __lowerCamelCase       :       Optional[Any]           = num_up_blocks - 1 - i
    __lowerCamelCase       :       Any           = [
        key for key in up_blocks[block_id] if F'up.{block_id}' in key and F'up.{block_id}.upsample' not in key
    ]

    if F'decoder.up.{block_id}.upsample.conv.weight' in vae_state_dict:
      __lowerCamelCase       :       Optional[int]           = vae_state_dict[
          F'decoder.up.{block_id}.upsample.conv.weight'
      ]
      __lowerCamelCase       :       Optional[Any]           = vae_state_dict[
          F'decoder.up.{block_id}.upsample.conv.bias'
      ]

    __lowerCamelCase       :       Tuple           = renew_vae_resnet_paths(_lowerCAmelCase       )
    __lowerCamelCase       :       Any           = {'old': F'up.{block_id}.block', 'new': F'up_blocks.{i}.resnets'}
    assign_to_checkpoint(_lowerCAmelCase       ,_lowerCAmelCase       ,_lowerCAmelCase       ,additional_replacements=[meta_path]       ,config=_lowerCAmelCase       )

  __lowerCamelCase       :       Optional[Any]           = [key for key in vae_state_dict if 'decoder.mid.block' in key]
  __lowerCamelCase       :       Union[str, Any]           = 2
  for i in range(1       ,num_mid_res_blocks + 1       ):
    __lowerCamelCase       :       List[str]           = [key for key in mid_resnets if F'decoder.mid.block_{i}' in key]

    __lowerCamelCase       :       str           = renew_vae_resnet_paths(_lowerCAmelCase       )
    __lowerCamelCase       :       Any           = {'old': F'mid.block_{i}', 'new': F'mid_block.resnets.{i - 1}'}
    assign_to_checkpoint(_lowerCAmelCase       ,_lowerCAmelCase       ,_lowerCAmelCase       ,additional_replacements=[meta_path]       ,config=_lowerCAmelCase       )

  __lowerCamelCase       :       Any           = [key for key in vae_state_dict if 'decoder.mid.attn' in key]
  __lowerCamelCase       :       List[str]           = renew_vae_attention_paths(_lowerCAmelCase       )
  __lowerCamelCase       :       Optional[Any]           = {'old': 'mid.attn_1', 'new': 'mid_block.attentions.0'}
  assign_to_checkpoint(_lowerCAmelCase       ,_lowerCAmelCase       ,_lowerCAmelCase       ,additional_replacements=[meta_path]       ,config=_lowerCAmelCase       )
  conv_attn_to_linear(_lowerCAmelCase       )
  return new_checkpoint

def        a_     (							_lowerCAmelCase       ,_lowerCAmelCase       ,)      ->      List[Any]:
  # Only support V1
  __lowerCamelCase       :       Any           = requests.get(
      ' https://raw.githubusercontent.com/CompVis/stable-diffusion/main/configs/stable-diffusion/v1-inference.yaml'       )
  __lowerCamelCase       :       str           = io.BytesIO(r.content       )

  __lowerCamelCase       :       Any           = OmegaConf.load(_lowerCAmelCase       )
  __lowerCamelCase       :       List[Any]           = 512
  __lowerCamelCase       :       Dict           = 'cuda' if torch.cuda.is_available() else 'cpu'
  if checkpoint_path.endswith('safetensors'       ):
    from safetensors import safe_open

    __lowerCamelCase       :       Optional[Any]           = {}
    with safe_open(_lowerCAmelCase       ,framework='pt'       ,device='cpu'       ) as f:
      for key in f.keys():
        __lowerCamelCase       :       int           = f.get_tensor(_lowerCAmelCase       )
  else:
    __lowerCamelCase       :       int           = torch.load(_lowerCAmelCase       ,map_location=_lowerCAmelCase       )['state_dict']

  # Convert the VAE model.
  __lowerCamelCase       :       int           = create_vae_diffusers_config(_lowerCAmelCase       ,image_size=_lowerCAmelCase       )
  __lowerCamelCase       :       int           = custom_convert_ldm_vae_checkpoint(_lowerCAmelCase       ,_lowerCAmelCase       )

  __lowerCamelCase       :       Any           = AutoencoderKL(**_lowerCAmelCase       )
  vae.load_state_dict(_lowerCAmelCase       )
  vae.save_pretrained(_lowerCAmelCase       )


if __name__ == "__main__":
   _UpperCamelCase											=						argparse.ArgumentParser()

   parser.add_argument('--vae_pt_path', default=None, type=str, required=True, help='Path to the VAE.pt to convert.')
   parser.add_argument('--dump_path', default=None, type=str, required=True, help='Path to the VAE.pt to convert.')

   _UpperCamelCase											=						parser.parse_args()

   vae_pt_to_vae_diffuser(args.vae_pt_path, args.dump_path)






