





"""simple docstring"""





from pathlib import PurePosixPath
from typing import Optional

import fsspec
from fsspec import AbstractFileSystem
from huggingface_hub.hf_api import DatasetInfo

from ..utils.file_utils import get_authentication_headers_for_url
from ..utils.hub import hf_hub_url
class 		SCREAMING_SNAKE_CASE_							(    snake_case__   ):
				"""simple docstring"""
				__snake_case   :       Dict	 =		""""""
				__snake_case   :       str	 =		"""hf-legacy"""  # "hf://"" is reserved for hffs




				def __init__(     self  :Union[str, Any]						,    __lowercase  :Optional[DatasetInfo] = None						,    __lowercase  :Optional[str] = None						,    **__lowercase  :Dict						,    ):
											super().__init__(self						,    **__UpperCamelCase			)
											__lowerCamelCase      :      Union[str, Any]         =repo_info
											__lowerCamelCase      :      int         =token
											__lowerCamelCase      :      Union[str, Any]         =None




				def 					__lowercase  (     self  :Optional[int]			):
											if self.dir_cache is None:
																		__lowerCamelCase      :      Dict         ={}
																		for hf_file in self.repo_info.siblings:
																									# TODO(QL): add sizes
																									__lowerCamelCase      :      Dict         ={
																									    '''name''': hf_file.rfilename,
																									    '''size''': None,
																									    '''type''': '''file''',
																									}
																									self.dir_cache.update(
																									    {
																									        str(__UpperCamelCase			): {'''name''': str(__UpperCamelCase			), '''size''': None, '''type''': '''directory'''}
																									        for d in list(PurePosixPath(hf_file.rfilename			).parents			)[:-1]
																									    }			)




				def 					__lowercase  (     self  :Any						,    __lowercase  :str						,    __lowercase  :str = "rb"						,    **__lowercase  :Dict						,    ):
											if not isinstance(self.repo_info						,    __UpperCamelCase			):
																		raise NotImplementedError(f'Open is only implemented for dataset repositories, but got {self.repo_info}'			)
											__lowerCamelCase      :      Tuple         =hf_hub_url(self.repo_info.id						,    __UpperCamelCase						,    revision=self.repo_info.sha			)
											return fsspec.open(
											    __UpperCamelCase						,    mode=__UpperCamelCase						,    headers=get_authentication_headers_for_url(__UpperCamelCase						,    use_auth_token=self.token			)						,    client_kwargs={'''trust_env''': True}						,    ).open()




				def 					__lowercase  (     self  :List[str]						,    __lowercase  :List[str]						,    **__lowercase  :Dict			):
											self._get_dirs()
											__lowerCamelCase      :      Union[str, Any]         =self._strip_protocol(__UpperCamelCase			)
											if path in self.dir_cache:
																		return self.dir_cache[path]
											else:
																		raise FileNotFoundError(__UpperCamelCase			)




				def 					__lowercase  (     self  :str						,    __lowercase  :Optional[Any]						,    __lowercase  :Union[str, Any]=False						,    **__lowercase  :Any			):
											self._get_dirs()
											__lowerCamelCase      :      List[str]         =PurePosixPath(path.strip('''/'''			)			)
											__lowerCamelCase      :      Optional[Any]         ={}
											for p, f in self.dir_cache.items():
																		__lowerCamelCase      :      Any         =PurePosixPath(p.strip('''/'''			)			)
																		__lowerCamelCase      :      str         =p.parent
																		if root == path:
																									__lowerCamelCase      :      Any         =f
											__lowerCamelCase      :      str         =list(paths.values()			)
											if detail:
																		return out
											else:
																		return sorted(f['''name'''] for f in out			)











"""simple docstring"""





import argparse
from pathlib import Path

import requests
import torch
from PIL import Image

from transformers import (
    RobertaTokenizer,
    TrOCRConfig,
    TrOCRForCausalLM,
    TrOCRProcessor,
    VisionEncoderDecoderModel,
    ViTConfig,
    ViTImageProcessor,
    ViTModel,
)
from transformers.utils import logging


logging.set_verbosity_info()
_UpperCamelCase							=      logging.get_logger(__name__)



def 				lowerCAmelCase_			(      SCREAMING_SNAKE_CASE       :							Union[str, Any]    ,						SCREAMING_SNAKE_CASE       :							List[str]   ):


							'''simple docstring'''







							__lowerCamelCase      :      Any         =[]
							for i in range(encoder_config.num_hidden_layers   ):
														# encoder layers: output projection, 2 feedforward neural networks and 2 layernorms
														rename_keys.append(
														    (F'encoder.deit.blocks.{i}.norm1.weight', F'encoder.encoder.layer.{i}.layernorm_before.weight')   )
														rename_keys.append((F'encoder.deit.blocks.{i}.norm1.bias', F'encoder.encoder.layer.{i}.layernorm_before.bias')   )
														rename_keys.append(
														    (F'encoder.deit.blocks.{i}.attn.proj.weight', F'encoder.encoder.layer.{i}.attention.output.dense.weight')   )
														rename_keys.append(
														    (F'encoder.deit.blocks.{i}.attn.proj.bias', F'encoder.encoder.layer.{i}.attention.output.dense.bias')   )
														rename_keys.append(
														    (F'encoder.deit.blocks.{i}.norm2.weight', F'encoder.encoder.layer.{i}.layernorm_after.weight')   )
														rename_keys.append((F'encoder.deit.blocks.{i}.norm2.bias', F'encoder.encoder.layer.{i}.layernorm_after.bias')   )
														rename_keys.append(
														    (F'encoder.deit.blocks.{i}.mlp.fc1.weight', F'encoder.encoder.layer.{i}.intermediate.dense.weight')   )
														rename_keys.append(
														    (F'encoder.deit.blocks.{i}.mlp.fc1.bias', F'encoder.encoder.layer.{i}.intermediate.dense.bias')   )
														rename_keys.append(
														    (F'encoder.deit.blocks.{i}.mlp.fc2.weight', F'encoder.encoder.layer.{i}.output.dense.weight')   )
														rename_keys.append((F'encoder.deit.blocks.{i}.mlp.fc2.bias', F'encoder.encoder.layer.{i}.output.dense.bias')   )

							# cls token, position embeddings and patch embeddings of encoder
							rename_keys.extend(
							    [
							        ('''encoder.deit.cls_token''', '''encoder.embeddings.cls_token'''),
							        ('''encoder.deit.pos_embed''', '''encoder.embeddings.position_embeddings'''),
							        ('''encoder.deit.patch_embed.proj.weight''', '''encoder.embeddings.patch_embeddings.projection.weight'''),
							        ('''encoder.deit.patch_embed.proj.bias''', '''encoder.embeddings.patch_embeddings.projection.bias'''),
							        ('''encoder.deit.norm.weight''', '''encoder.layernorm.weight'''),
							        ('''encoder.deit.norm.bias''', '''encoder.layernorm.bias'''),
							    ]   )

							return rename_keys



def 				lowerCAmelCase_			(      SCREAMING_SNAKE_CASE       :							int    ,						SCREAMING_SNAKE_CASE       :							Optional[int]   ):


							'''simple docstring'''







							for i in range(encoder_config.num_hidden_layers   ):
														# queries, keys and values (only weights, no biases)
														__lowerCamelCase      :      str         =state_dict.pop(F'encoder.deit.blocks.{i}.attn.qkv.weight'   )

														__lowerCamelCase      :      Dict         =in_proj_weight[
														    : encoder_config.hidden_size, :
														]
														__lowerCamelCase      :      Any         =in_proj_weight[
														    encoder_config.hidden_size : encoder_config.hidden_size * 2, :
														]
														__lowerCamelCase      :      Dict         =in_proj_weight[
														    -encoder_config.hidden_size :, :
														]



def 				lowerCAmelCase_			(      SCREAMING_SNAKE_CASE       :							List[Any]    ,						SCREAMING_SNAKE_CASE       :							Optional[int]    ,						SCREAMING_SNAKE_CASE       :							Dict   ):


							'''simple docstring'''







							__lowerCamelCase      :      Optional[int]         =dct.pop(SCREAMING_SNAKE_CASE   )
							__lowerCamelCase      :      Optional[Any]         =val



def 				lowerCAmelCase_			(      SCREAMING_SNAKE_CASE       :							List[Any]   ):


							'''simple docstring'''







							if "handwritten" in checkpoint_url:
														__lowerCamelCase      :      List[Any]         ='''https://fki.tic.heia-fr.ch/static/img/a01-122-02-00.jpg'''  # industry
														# url = "https://fki.tic.heia-fr.ch/static/img/a01-122-02-12.jpg" # have
														# url = "https://fki.tic.heia-fr.ch/static/img/a01-122-02-10.jpg" # let
														# url = "https://fki.tic.heia-fr.ch/static/img/a01-122-02.jpg"  #
														# url = "https://fki.tic.heia-fr.ch/static/img/a01-122.jpg"
							elif "printed" in checkpoint_url or "stage1" in checkpoint_url:
														__lowerCamelCase      :      List[Any]         ='''https://www.researchgate.net/profile/Dinh-Sang/publication/338099565/figure/fig8/AS:840413229350922@1577381536857/An-receipt-example-in-the-SROIE-2019-dataset_Q640.jpg'''
							__lowerCamelCase      :      int         =Image.open(requests.get(SCREAMING_SNAKE_CASE    ,						stream=SCREAMING_SNAKE_CASE   ).raw   ).convert('''RGB'''   )
							return im



@torch.no_grad()
def 				lowerCAmelCase_			(      SCREAMING_SNAKE_CASE       :							List[str]    ,						SCREAMING_SNAKE_CASE       :							Any   ):


							'''simple docstring'''







							__lowerCamelCase      :      Union[str, Any]         =ViTConfig(image_size=384    ,						qkv_bias=SCREAMING_SNAKE_CASE   )
							__lowerCamelCase      :      Optional[int]         =TrOCRConfig()

							# size of the architecture
							if "base" in checkpoint_url:
														__lowerCamelCase      :      Any         =768
							elif "large" in checkpoint_url:
														# use ViT-large encoder
														__lowerCamelCase      :      Optional[int]         =1024
														__lowerCamelCase      :      List[Any]         =4096
														__lowerCamelCase      :      Dict         =24
														__lowerCamelCase      :      Optional[Any]         =16
														__lowerCamelCase      :      Union[str, Any]         =1024
							else:
														raise ValueError('''Should either find \'base\' or \'large\' in checkpoint URL'''   )

							# the large-printed + stage1 checkpoints uses sinusoidal position embeddings, no layernorm afterwards
							if "large-printed" in checkpoint_url or "stage1" in checkpoint_url:
														__lowerCamelCase      :      Optional[int]         =False
														__lowerCamelCase      :      int         ='''relu'''
														__lowerCamelCase      :      Any         =1024
														__lowerCamelCase      :      str         =True
														__lowerCamelCase      :      List[Any]         =False
														__lowerCamelCase      :      Optional[int]         =False

							# load HuggingFace model
							__lowerCamelCase      :      Dict         =ViTModel(SCREAMING_SNAKE_CASE    ,						add_pooling_layer=SCREAMING_SNAKE_CASE   )
							__lowerCamelCase      :      Any         =TrOCRForCausalLM(SCREAMING_SNAKE_CASE   )
							__lowerCamelCase      :      List[Any]         =VisionEncoderDecoderModel(encoder=SCREAMING_SNAKE_CASE    ,						decoder=SCREAMING_SNAKE_CASE   )
							model.eval()

							# load state_dict of original model, rename some keys
							__lowerCamelCase      :      Optional[Any]         =torch.hub.load_state_dict_from_url(SCREAMING_SNAKE_CASE    ,						map_location='''cpu'''    ,						check_hash=SCREAMING_SNAKE_CASE   )['''model''']

							__lowerCamelCase      :      Optional[int]         =create_rename_keys(SCREAMING_SNAKE_CASE    ,						SCREAMING_SNAKE_CASE   )
							for src, dest in rename_keys:
														rename_key(SCREAMING_SNAKE_CASE    ,						SCREAMING_SNAKE_CASE    ,						SCREAMING_SNAKE_CASE   )
							read_in_q_k_v(SCREAMING_SNAKE_CASE    ,						SCREAMING_SNAKE_CASE   )

							# remove parameters we don't need
							del state_dict["encoder.deit.head.weight"]
							del state_dict["encoder.deit.head.bias"]
							del state_dict["decoder.version"]

							# add prefix to decoder keys
							for key, val in state_dict.copy().items():
														__lowerCamelCase      :      List[Any]         =state_dict.pop(SCREAMING_SNAKE_CASE   )
														if key.startswith('''decoder'''   ) and "output_projection" not in key:
																					__lowerCamelCase      :      List[Any]         =val
														else:
																					__lowerCamelCase      :      Optional[Any]         =val

    # load state dict
							model.load_state_dict(SCREAMING_SNAKE_CASE   )

							# Check outputs on an image
							__lowerCamelCase      :      int         =ViTImageProcessor(size=encoder_config.image_size   )
							__lowerCamelCase      :      Dict         =RobertaTokenizer.from_pretrained('''roberta-large'''   )
							__lowerCamelCase      :      str         =TrOCRProcessor(SCREAMING_SNAKE_CASE    ,						SCREAMING_SNAKE_CASE   )

							__lowerCamelCase      :      str         =processor(images=prepare_img(SCREAMING_SNAKE_CASE   )    ,						return_tensors='''pt'''   ).pixel_values

							# verify logits
							__lowerCamelCase      :      List[Any]         =torch.tensor([[model.config.decoder.decoder_start_token_id]]   )
							__lowerCamelCase      :      Optional[int]         =model(pixel_values=SCREAMING_SNAKE_CASE    ,						decoder_input_ids=SCREAMING_SNAKE_CASE   )
							__lowerCamelCase      :      Optional[Any]         =outputs.logits

							__lowerCamelCase      :      Optional[Any]         =torch.Size([1, 1, 50265]   )
							if "trocr-base-handwritten" in checkpoint_url:
														__lowerCamelCase      :      List[str]         =torch.tensor(
														    [-1.4_502, -4.6_683, -0.5_347, -2.9_291, 9.1_435, -3.0_571, 8.9_764, 1.7_560, 8.7_358, -1.5_311]   )
							elif "trocr-large-handwritten" in checkpoint_url:
														__lowerCamelCase      :      Any         =torch.tensor(
														    [-2.6_437, -1.3_129, -2.2_596, -5.3_455, 6.3_539, 1.7_604, 5.4_991, 1.4_702, 5.6_113, 2.0_170]   )
							elif "trocr-base-printed" in checkpoint_url:
														__lowerCamelCase      :      Optional[Any]         =torch.tensor(
														    [-5.6_816, -5.8_388, 1.1_398, -6.9_034, 6.8_505, -2.4_393, 1.2_284, -1.0_232, -1.9_661, -3.9_210]   )
							elif "trocr-large-printed" in checkpoint_url:
														__lowerCamelCase      :      Optional[Any]         =torch.tensor(
														    [-6.0_162, -7.0_959, 4.4_155, -5.1_063, 7.0_468, -3.1_631, 2.6_466, -0.3_081, -0.8_106, -1.7_535]   )

							if "stage1" not in checkpoint_url:
														assert logits.shape == expected_shape, "Shape of logits not as expected"
														assert torch.allclose(logits[0, 0, :10]    ,						SCREAMING_SNAKE_CASE    ,						atol=1E-3   ), "First elements of logits not as expected"

							Path(SCREAMING_SNAKE_CASE   ).mkdir(exist_ok=SCREAMING_SNAKE_CASE   )
							print(F'Saving model to {pytorch_dump_folder_path}'   )
							model.save_pretrained(SCREAMING_SNAKE_CASE   )
							print(F'Saving processor to {pytorch_dump_folder_path}'   )
							processor.save_pretrained(SCREAMING_SNAKE_CASE   )


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

							parser.add_argument(
							    '--checkpoint_url',
							    default='https://layoutlm.blob.core.windows.net/trocr/model_zoo/fairseq/trocr-base-handwritten.pt',
							    type=str,
							    help='URL to the original PyTorch checkpoint (.pth file).',
							)
							parser.add_argument(
							    '--pytorch_dump_folder_path', default=None, type=str, help='Path to the folder to output PyTorch model.'
							)
							_UpperCamelCase							=      parser.parse_args()
							convert_tr_ocr_checkpoint(args.checkpoint_url, args.pytorch_dump_folder_path)




