




"""simple docstring"""



import argparse

import torch
from datasets import load_dataset
from donut import DonutModel

from transformers import (
    DonutImageProcessor,
    DonutProcessor,
    DonutSwinConfig,
    DonutSwinModel,
    MBartConfig,
    MBartForCausalLM,
    VisionEncoderDecoderModel,
    XLMRobertaTokenizerFast,
)







def   _SCREAMING_SNAKE_CASE       (							lowercase_						)						->		List[str]:
 A__	=    model.config

 A__	=    DonutSwinConfig(
     image_size=original_config.input_size      ,			patch_size=4      ,			depths=original_config.encoder_layer      ,			num_heads=[4, 8, 16, 32]      ,			window_size=original_config.window_size      ,			embed_dim=1_28      ,			)
 A__	=    MBartConfig(
     is_decoder=lowercase_      ,			is_encoder_decoder=lowercase_      ,			add_cross_attention=lowercase_      ,			decoder_layers=original_config.decoder_layer      ,			max_position_embeddings=original_config.max_position_embeddings      ,			vocab_size=len(
         model.decoder.tokenizer						)      ,			scale_embedding=lowercase_      ,			add_final_layer_norm=lowercase_      ,			)

 return encoder_config, decoder_config







def   _SCREAMING_SNAKE_CASE       (							lowercase_						)						->		int:
 if "encoder.model" in name:
  A__	=    name.replace("encoder.model"      ,			"encoder"						)
 if "decoder.model" in name:
  A__	=    name.replace("decoder.model"      ,			"decoder"						)
 if "patch_embed.proj" in name:
  A__	=    name.replace("patch_embed.proj"      ,			"embeddings.patch_embeddings.projection"						)
 if "patch_embed.norm" in name:
  A__	=    name.replace("patch_embed.norm"      ,			"embeddings.norm"						)
 if name.startswith("encoder"						):
  if "layers" in name:
   A__	=    "encoder." + name
  if "attn.proj" in name:
   A__	=    name.replace("attn.proj"      ,			"attention.output.dense"						)
  if "attn" in name and "mask" not in name:
   A__	=    name.replace("attn"      ,			"attention.self"						)
  if "norm1" in name:
   A__	=    name.replace("norm1"      ,			"layernorm_before"						)
  if "norm2" in name:
   A__	=    name.replace("norm2"      ,			"layernorm_after"						)
  if "mlp.fc1" in name:
   A__	=    name.replace("mlp.fc1"      ,			"intermediate.dense"						)
  if "mlp.fc2" in name:
   A__	=    name.replace("mlp.fc2"      ,			"output.dense"						)

  if name == "encoder.norm.weight":
   A__	=    "encoder.layernorm.weight"
  if name == "encoder.norm.bias":
   A__	=    "encoder.layernorm.bias"

 return name







def   _SCREAMING_SNAKE_CASE       (							lowercase_      ,			lowercase_						)						->		Any:
 for key in orig_state_dict.copy().keys():
  A__	=    orig_state_dict.pop(lowercase_						)

  if "qkv" in key:
   A__	=    key.split("."						)
   A__	=    int(key_split[3]						)
   A__	=    int(key_split[5]						)
   A__	=    model.encoder.encoder.layers[layer_num].blocks[block_num].attention.self.all_head_size

   if "weight" in key:
    A__	=    val[:dim, :]
    A__	=    val[dim : dim * 2, :]
    A__	=    val[-dim:, :]
   else:
    A__	=    val[:dim]
    A__	=    val[dim : dim * 2]
    A__	=    val[-dim:]
  elif "attn_mask" in key or key in ["encoder.model.norm.weight", "encoder.model.norm.bias"]:
   # HuggingFace implementation doesn't use attn_mask buffer
   # and model doesn't use final LayerNorms for the encoder
   pass
  else:
   A__	=    val

 return orig_state_dict







def   _SCREAMING_SNAKE_CASE       (							lowercase_      ,			lowercase_=None      ,			lowercase_=False						)						->		Dict:
 # load original model
 A__	=    DonutModel.from_pretrained(lowercase_						).eval()

 # load HuggingFace model
 A__,				A__	=    get_configs(lowercase_						)
 A__	=    DonutSwinModel(lowercase_						)
 A__	=    MBartForCausalLM(lowercase_						)
 A__	=    VisionEncoderDecoderModel(encoder=lowercase_      ,			decoder=lowercase_						)
 model.eval()

 A__	=    original_model.state_dict()
 A__	=    convert_state_dict(lowercase_      ,			lowercase_						)
 model.load_state_dict(lowercase_						)

 # verify results on scanned document
 A__	=    load_dataset("hf-internal-testing/example-documents"						)
 A__	=    dataset["test"][0]["image"].convert("RGB"						)

 A__	=    XLMRobertaTokenizerFast.from_pretrained(lowercase_      ,			from_slow=lowercase_						)
 A__	=    DonutImageProcessor(
     do_align_long_axis=original_model.config.align_long_axis      ,			size=original_model.config.input_size[::-1]						)
 A__	=    DonutProcessor(lowercase_      ,			lowercase_						)
 A__	=    processor(lowercase_      ,			return_tensors="pt"						).pixel_values

 if model_name == "naver-clova-ix/donut-base-finetuned-docvqa":
  A__	=    "<s_docvqa><s_question>{user_input}</s_question><s_answer>"
  A__	=    "When is the coffee break?"
  A__	=    task_prompt.replace("{user_input}"      ,			lowercase_						)
 elif model_name == "naver-clova-ix/donut-base-finetuned-rvlcdip":
  A__	=    "<s_rvlcdip>"
 elif model_name in [
     "naver-clova-ix/donut-base-finetuned-cord-v1",
     "naver-clova-ix/donut-base-finetuned-cord-v1-2560",
 ]:
  A__	=    "<s_cord>"
 elif model_name == "naver-clova-ix/donut-base-finetuned-cord-v2":
  A__	=    "s_cord-v2>"
 elif model_name == "naver-clova-ix/donut-base-finetuned-zhtrainticket":
  A__	=    "<s_zhtrainticket>"
 elif model_name in ["naver-clova-ix/donut-proto", "naver-clova-ix/donut-base"]:
  # use a random prompt
  A__	=    "hello world"
 else:
  raise ValueError("Model name not supported"						)
 A__	=    original_model.decoder.tokenizer(lowercase_      ,			add_special_tokens=lowercase_      ,			return_tensors="pt"						)[
     "input_ids"
 ]

 A__	=    original_model.encoder.model.patch_embed(lowercase_						)
 A__,				A__	=    model.encoder.embeddings(lowercase_						)
 assert torch.allclose(lowercase_      ,			lowercase_      ,			atol=1E-3						)

 # verify encoder hidden states
 A__	=    original_model.encoder(lowercase_						)
 A__	=    model.encoder(lowercase_						).last_hidden_state
 assert torch.allclose(lowercase_      ,			lowercase_      ,			atol=1E-2						)

 # verify decoder hidden states
 A__	=    original_model(lowercase_      ,			lowercase_      ,			lowercase_						).logits
 A__	=    model(lowercase_      ,			decoder_input_ids=lowercase_						).logits
 assert torch.allclose(lowercase_      ,			lowercase_      ,			atol=1E-3						)
 print("Looks ok!"						)

 if pytorch_dump_folder_path is not None:
  print(f"""Saving model and processor to {pytorch_dump_folder_path}"""						)
  model.save_pretrained(lowercase_						)
  processor.save_pretrained(lowercase_						)

 if push_to_hub:
  model.push_to_hub("nielsr/" + model_name.split("/"						)[-1]      ,			commit_message="Update model"						)
  processor.push_to_hub("nielsr/" + model_name.split("/"						)[-1]      ,			commit_message="Update model"						)


if __name__ == "__main__":
      SCREAMING_SNAKE_CASE    =	argparse.ArgumentParser()
      # Required parameters
      parser.add_argument(
          "--model_name",
          default="naver-clova-ix/donut-base-finetuned-docvqa",
          required=False,
          type=str,
          help="Name of the original model you'd like to convert.",
      )
      parser.add_argument(
          "--pytorch_dump_folder_path",
          default=None,
          required=False,
          type=str,
          help="Path to the output PyTorch model directory.",
      )
      parser.add_argument(
          "--push_to_hub",
          action="store_true",
          help="Whether or not to push the converted model and processor to the 🤗 hub.",
      )

      SCREAMING_SNAKE_CASE    =	parser.parse_args()
      convert_donut_checkpoint(args.model_name, args.pytorch_dump_folder_path, args.push_to_hub)












"""simple docstring"""



import re

from flax.core.frozen_dict import freeze
from flax.traverse_util import flatten_dict, unflatten_dict
from jax.experimental import PartitionSpec as P


# Sentinels
SCREAMING_SNAKE_CASE    =	object()

# For specifying empty leaf dict `{}`
SCREAMING_SNAKE_CASE    =	object()







def   _SCREAMING_SNAKE_CASE       (							lowercase_      ,			lowercase_						)						->		List[Any]:
 A__	=    tuple((re.compile(x + "$"						) for x in qs)						)
 for i in range(len(lowercase_						) - len(lowercase_						) + 1						):
  A__	=    [x.match(lowercase_						) for x, y in zip(lowercase_      ,			ks[i:]						)]
  if matches and all(lowercase_						):
   return True
 return False







def   _SCREAMING_SNAKE_CASE       (							lowercase_						)						->		Optional[int]:
 def replace(lowercase_      ,			lowercase_						):
  for rule, replacement in rules:
   if _match(lowercase_      ,			lowercase_						):
    return replacement
  return val

 return replace







def   _SCREAMING_SNAKE_CASE       (							)						->		List[str]:
 return [
     # embeddings
     (("transformer", "wpe", "embedding"), P("mp"      ,			lowercase_						)),
     (("transformer", "wte", "embedding"), P("mp"      ,			lowercase_						)),
     # atention
     (("attention", "(q_proj|k_proj|v_proj)", "kernel"), P(lowercase_      ,			"mp"						)),
     (("attention", "out_proj", "kernel"), P("mp"      ,			lowercase_						)),
     (("attention", "out_proj", "bias"), None),
     # mlp
     (("mlp", "c_fc", "kernel"), P(lowercase_      ,			"mp"						)),
     (("mlp", "c_fc", "bias"), P("mp"						)),
     (("mlp", "c_proj", "kernel"), P("mp"      ,			lowercase_						)),
     (("mlp", "c_proj", "bias"), None),
     # layer norms
     ((r"ln_\d+", "bias"), None),
     ((r"\d+", r"ln_\d+", "scale"), None),
     (("ln_f", "bias"), None),
     (("ln_f", "scale"), None),
 ]







def   _SCREAMING_SNAKE_CASE       (							lowercase_						)						->		int:
 A__	=    _get_partition_rules()
 A__	=    _replacement_rules(lowercase_						)
 A__	=    {k: _unmatched for k in flatten_dict(lowercase_						)}
 A__	=    {k: replace(lowercase_      ,			lowercase_						) for k, v in initd.items()}
 assert _unmatched not in result.values(), "Incomplete partition spec."
 return freeze(unflatten_dict(lowercase_						)						)





