




"""simple docstring"""




def 					A_			(		snake_case_     :       str    ):







    '''simple docstring'''
    UpperCamelCase				:   Union[str, Any]          =							[]
    UpperCamelCase				:   Optional[Any]          =							1

    for i in range(len(snake_case_    )    ):
        if i + 1 < len(snake_case_    ) and text[i] == text[i + 1]:
            count += 1
        else:
            encoded.append((text[i], count)    )
            UpperCamelCase				:   List[str]          =							1

    return encoded
def 					A_			(		snake_case_     :       list    ):







    '''simple docstring'''
    return "".join(char * length for char, length in encoded    )


if __name__ == "__main__":
  from doctest import testmod

  testmod(name='''run_length_encode''', verbose=True)
  testmod(name='''run_length_decode''', verbose=True)










"""simple docstring"""




import argparse
import os

import torch
from torchvision.datasets.utils import download_url

from diffusers import AutoencoderKL, DDIMScheduler, DiTPipeline, TransformeraDModel


__A :		int      							=    {512: '''DiT-XL-2-512x512.pt''', 256: '''DiT-XL-2-256x256.pt'''}
def 					A_			(		snake_case_     :       Dict    ):







    '''simple docstring'''
    UpperCamelCase				:   Any          =							f'pretrained_models/{model_name}'
    if not os.path.isfile(snake_case_    ):
        os.makedirs("""pretrained_models"""						,exist_ok=snake_case_    )
        UpperCamelCase				:   Dict          =							f'https://dl.fbaipublicfiles.com/DiT/models/{model_name}'
        download_url(snake_case_						,"""pretrained_models"""    )
    UpperCamelCase				:   List[Any]          =							torch.load(snake_case_						,map_location=lambda snake_case_						,snake_case_    : storage    )
    return model
def 					A_			(		snake_case_     :       List[str]    ):







    '''simple docstring'''
    UpperCamelCase				:   int          =							download_model(pretrained_models[args.image_size]    )

    UpperCamelCase				:   str          =							state_dict["""x_embedder.proj.weight"""]
    UpperCamelCase				:   Optional[Any]          =							state_dict["""x_embedder.proj.bias"""]
    state_dict.pop("""x_embedder.proj.weight"""    )
    state_dict.pop("""x_embedder.proj.bias"""    )

    for depth in range(2_8    ):
        UpperCamelCase				:   Optional[int]          =							state_dict[
            """t_embedder.mlp.0.weight"""
        ]
        UpperCamelCase				:   Optional[Any]          =							state_dict[
            """t_embedder.mlp.0.bias"""
        ]
        UpperCamelCase				:   str          =							state_dict[
            """t_embedder.mlp.2.weight"""
        ]
        UpperCamelCase				:   Optional[int]          =							state_dict[
            """t_embedder.mlp.2.bias"""
        ]
        UpperCamelCase				:   int          =							state_dict[
            """y_embedder.embedding_table.weight"""
        ]

        UpperCamelCase				:   List[Any]          =							state_dict[
            f'blocks.{depth}.adaLN_modulation.1.weight'
        ]
        UpperCamelCase				:   Any          =							state_dict[
            f'blocks.{depth}.adaLN_modulation.1.bias'
        ]

        UpperCamelCase       ,							UpperCamelCase       ,							UpperCamelCase				:   Dict          =							torch.chunk(state_dict[f'blocks.{depth}.attn.qkv.weight']						,3						,dim=0    )
        UpperCamelCase       ,							UpperCamelCase       ,							UpperCamelCase				:   Dict          =							torch.chunk(state_dict[f'blocks.{depth}.attn.qkv.bias']						,3						,dim=0    )

        UpperCamelCase				:   int          =							q
        UpperCamelCase				:   Tuple          =							q_bias
        UpperCamelCase				:   List[Any]          =							k
        UpperCamelCase				:   int          =							k_bias
        UpperCamelCase				:   List[str]          =							v
        UpperCamelCase				:   str          =							v_bias

        UpperCamelCase				:   Any          =							state_dict[
            f'blocks.{depth}.attn.proj.weight'
        ]
        UpperCamelCase				:   Optional[Any]          =							state_dict[f'blocks.{depth}.attn.proj.bias']

        UpperCamelCase				:   str          =							state_dict[f'blocks.{depth}.mlp.fc1.weight']
        UpperCamelCase				:   Tuple          =							state_dict[f'blocks.{depth}.mlp.fc1.bias']
        UpperCamelCase				:   str          =							state_dict[f'blocks.{depth}.mlp.fc2.weight']
        UpperCamelCase				:   Tuple          =							state_dict[f'blocks.{depth}.mlp.fc2.bias']

        state_dict.pop(f'blocks.{depth}.attn.qkv.weight'    )
        state_dict.pop(f'blocks.{depth}.attn.qkv.bias'    )
        state_dict.pop(f'blocks.{depth}.attn.proj.weight'    )
        state_dict.pop(f'blocks.{depth}.attn.proj.bias'    )
        state_dict.pop(f'blocks.{depth}.mlp.fc1.weight'    )
        state_dict.pop(f'blocks.{depth}.mlp.fc1.bias'    )
        state_dict.pop(f'blocks.{depth}.mlp.fc2.weight'    )
        state_dict.pop(f'blocks.{depth}.mlp.fc2.bias'    )
        state_dict.pop(f'blocks.{depth}.adaLN_modulation.1.weight'    )
        state_dict.pop(f'blocks.{depth}.adaLN_modulation.1.bias'    )

    state_dict.pop("""t_embedder.mlp.0.weight"""    )
    state_dict.pop("""t_embedder.mlp.0.bias"""    )
    state_dict.pop("""t_embedder.mlp.2.weight"""    )
    state_dict.pop("""t_embedder.mlp.2.bias"""    )
    state_dict.pop("""y_embedder.embedding_table.weight"""    )

    UpperCamelCase				:   List[str]          =							state_dict["""final_layer.adaLN_modulation.1.weight"""]
    UpperCamelCase				:   str          =							state_dict["""final_layer.adaLN_modulation.1.bias"""]
    UpperCamelCase				:   Tuple          =							state_dict["""final_layer.linear.weight"""]
    UpperCamelCase				:   List[Any]          =							state_dict["""final_layer.linear.bias"""]

    state_dict.pop("""final_layer.linear.weight"""    )
    state_dict.pop("""final_layer.linear.bias"""    )
    state_dict.pop("""final_layer.adaLN_modulation.1.weight"""    )
    state_dict.pop("""final_layer.adaLN_modulation.1.bias"""    )

    # DiT XL/2
    UpperCamelCase				:   int          =							TransformeraDModel(
        sample_size=args.image_size // 8						,num_layers=2_8						,attention_head_dim=7_2						,in_channels=4						,out_channels=8						,patch_size=2						,attention_bias=snake_case_						,num_attention_heads=1_6						,activation_fn="""gelu-approximate"""						,num_embeds_ada_norm=1_0_0_0						,norm_type="""ada_norm_zero"""						,norm_elementwise_affine=snake_case_						,)
    transformer.load_state_dict(snake_case_						,strict=snake_case_    )

    UpperCamelCase				:   str          =							DDIMScheduler(
        num_train_timesteps=1_0_0_0						,beta_schedule="""linear"""						,prediction_type="""epsilon"""						,clip_sample=snake_case_						,)

    UpperCamelCase				:   Optional[Any]          =							AutoencoderKL.from_pretrained(args.vae_model    )

    UpperCamelCase				:   List[Any]          =							DiTPipeline(transformer=snake_case_						,vae=snake_case_						,scheduler=snake_case_    )

    if args.save:
        pipeline.save_pretrained(args.checkpoint_path    )


if __name__ == "__main__":
  __A :		Any      							=    argparse.ArgumentParser()

  parser.add_argument(
      '''--image_size''',
      default=256,
      type=int,
      required=False,
      help='''Image size of pretrained model, either 256 or 512.''',
  )
  parser.add_argument(
      '''--vae_model''',
      default='''stabilityai/sd-vae-ft-ema''',
      type=str,
      required=False,
      help='''Path to pretrained VAE model, either stabilityai/sd-vae-ft-mse or stabilityai/sd-vae-ft-ema.''',
  )
  parser.add_argument(
      '''--save''', default=True, type=bool, required=False, help='''Whether to save the converted pipeline or not.'''
  )
  parser.add_argument(
      '''--checkpoint_path''', default=None, type=str, required=True, help='''Path to the output pipeline.'''
  )

  __A :		Dict      							=    parser.parse_args()
  main(args)




