





'''simple docstring'''




from collections import OrderedDict
from typing import TYPE_CHECKING, Any, List, Mapping, Optional, Union

from ...configuration_utils import PretrainedConfig
from ...onnx import OnnxConfig
from ...utils import TensorType, logging


if TYPE_CHECKING:
 from ...onnx.config import PatchingSpec
 from ...tokenization_utils_base import PreTrainedTokenizerBase


_SCREAMING_SNAKE_CASE							     =			logging.get_logger(__name__)

_SCREAMING_SNAKE_CASE							     =			{
    "allenai/longformer-base-4096": "https://huggingface.co/allenai/longformer-base-4096/resolve/main/config.json",
    "allenai/longformer-large-4096": "https://huggingface.co/allenai/longformer-large-4096/resolve/main/config.json",
    "allenai/longformer-large-4096-finetuned-triviaqa": (
        "https://huggingface.co/allenai/longformer-large-4096-finetuned-triviaqa/resolve/main/config.json"
    ),
    "allenai/longformer-base-4096-extra.pos.embd.only": (
        "https://huggingface.co/allenai/longformer-base-4096-extra.pos.embd.only/resolve/main/config.json"
    ),
    "allenai/longformer-large-4096-extra.pos.embd.only": (
        "https://huggingface.co/allenai/longformer-large-4096-extra.pos.embd.only/resolve/main/config.json"
    ),
}
class 			_lowerCAmelCase		(			A__	):






     """simple docstring"""






     snake_case_						      =   "longformer"



     def __init__(   self							:			Union[str, Any]   ,       __snake_case							:			Union[List[int], int] = 5_12   ,       __snake_case							:			int = 2   ,       __snake_case							:			int = 1   ,       __snake_case							:			int = 0   ,       __snake_case							:			int = 2   ,       __snake_case							:			int = 3_05_22   ,       __snake_case							:			int = 7_68   ,       __snake_case							:			int = 12   ,       __snake_case							:			int = 12   ,       __snake_case							:			int = 30_72   ,       __snake_case							:			str = "gelu"   ,       __snake_case							:			float = 0.1   ,       __snake_case							:			float = 0.1   ,       __snake_case							:			int = 5_12   ,       __snake_case							:			int = 2   ,       __snake_case							:			float = 0.02   ,       __snake_case							:			float = 1e-12   ,       __snake_case							:			bool = False   ,       **__snake_case							:			int   ,       )->	str:
        super().__init__(pad_token_id=__snake_case   ,       **__snake_case						)

        snake_case 						=   attention_window
        snake_case 						=   sep_token_id
        snake_case 						=   bos_token_id
        snake_case 						=   eos_token_id
        snake_case 						=   vocab_size
        snake_case 						=   hidden_size
        snake_case 						=   num_hidden_layers
        snake_case 						=   num_attention_heads
        snake_case 						=   hidden_act
        snake_case 						=   intermediate_size
        snake_case 						=   hidden_dropout_prob
        snake_case 						=   attention_probs_dropout_prob
        snake_case 						=   max_position_embeddings
        snake_case 						=   type_vocab_size
        snake_case 						=   initializer_range
        snake_case 						=   layer_norm_eps
        snake_case 						=   onnx_export




class 			_lowerCAmelCase		(			A__	):






     """simple docstring"""






     def __init__(   self							:			Any   ,       __snake_case							:			"PretrainedConfig"   ,       __snake_case							:			str = "default"   ,       __snake_case							:			"List[PatchingSpec]" = None						)->	Dict:
        super().__init__(__snake_case   ,       __snake_case   ,       __snake_case						)
        snake_case 						=   True



     @property
     def      lowerCAmelCase			(   self							:			Optional[Any]						)->	Mapping[str, Mapping[int, str]]:
        if self.task == "multiple-choice":
           snake_case 						=   {0: """batch""", 1: """choice""", 2: """sequence"""}
        else:
           snake_case 						=   {0: """batch""", 1: """sequence"""}
        return OrderedDict(
            [
                ("""input_ids""", dynamic_axis),
                ("""attention_mask""", dynamic_axis),
                ("""global_attention_mask""", dynamic_axis),
            ]						)



     @property
     def      lowerCAmelCase			(   self							:			Optional[Any]						)->	Mapping[str, Mapping[int, str]]:
        snake_case 						=   super().outputs
        if self.task == "default":
           snake_case 						=   {0: """batch"""}
        return outputs



     @property
     def      lowerCAmelCase			(   self							:			Union[str, Any]						)->	float:
        return 1e-4



     @property
     def      lowerCAmelCase			(   self							:			Tuple						)->	int:
        # needs to be >= 14 to support tril operator
        return max(super().default_onnx_opset   ,       14						)



     def      lowerCAmelCase			(   self							:			Union[str, Any]   ,       __snake_case							:			"PreTrainedTokenizerBase"   ,       __snake_case							:			int = -1   ,       __snake_case							:			int = -1   ,       __snake_case							:			bool = False   ,       __snake_case							:			Optional[TensorType] = None   ,       )->	Mapping[str, Any]:
        snake_case 						=   super().generate_dummy_inputs(
            preprocessor=__snake_case   ,       batch_size=__snake_case   ,       seq_length=__snake_case   ,       is_pair=__snake_case   ,       framework=__snake_case						)
        import torch

        # for some reason, replacing this code by inputs["global_attention_mask"] = torch.randint(2, inputs["input_ids"].shape, dtype=torch.int64)
        # makes the export fail randomly
        snake_case 						=   torch.zeros_like(inputs["""input_ids"""]						)
        # make every second token global
        snake_case 						=   1

        return inputs








'''simple docstring'''




import argparse
import json
from pathlib import Path

import requests
import timm
import torch
from huggingface_hub import hf_hub_download
from PIL import Image

from transformers import DeiTImageProcessor, ViTConfig, ViTForImageClassification, ViTImageProcessor, ViTModel
from transformers.utils import logging


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





def 	__lowerCamelCase			(      __lowerCAmelCase       :							Optional[int]      ,    __lowerCAmelCase       :							List[Any]=False		)		->  List[str]:
   snake_case 						=   []
   for i in range(config.num_hidden_layers		):
      # encoder layers: output projection, 2 feedforward neural networks and 2 layernorms
      rename_keys.append((F'''blocks.{i}.norm1.weight''', F'''vit.encoder.layer.{i}.layernorm_before.weight''')		)
      rename_keys.append((F'''blocks.{i}.norm1.bias''', F'''vit.encoder.layer.{i}.layernorm_before.bias''')		)
      rename_keys.append((F'''blocks.{i}.attn.proj.weight''', F'''vit.encoder.layer.{i}.attention.output.dense.weight''')		)
      rename_keys.append((F'''blocks.{i}.attn.proj.bias''', F'''vit.encoder.layer.{i}.attention.output.dense.bias''')		)
      rename_keys.append((F'''blocks.{i}.norm2.weight''', F'''vit.encoder.layer.{i}.layernorm_after.weight''')		)
      rename_keys.append((F'''blocks.{i}.norm2.bias''', F'''vit.encoder.layer.{i}.layernorm_after.bias''')		)
      rename_keys.append((F'''blocks.{i}.mlp.fc1.weight''', F'''vit.encoder.layer.{i}.intermediate.dense.weight''')		)
      rename_keys.append((F'''blocks.{i}.mlp.fc1.bias''', F'''vit.encoder.layer.{i}.intermediate.dense.bias''')		)
      rename_keys.append((F'''blocks.{i}.mlp.fc2.weight''', F'''vit.encoder.layer.{i}.output.dense.weight''')		)
      rename_keys.append((F'''blocks.{i}.mlp.fc2.bias''', F'''vit.encoder.layer.{i}.output.dense.bias''')		)

   # projection layer + position embeddings
   rename_keys.extend(
       [
           ("""cls_token""", """vit.embeddings.cls_token"""),
           ("""patch_embed.proj.weight""", """vit.embeddings.patch_embeddings.projection.weight"""),
           ("""patch_embed.proj.bias""", """vit.embeddings.patch_embeddings.projection.bias"""),
           ("""pos_embed""", """vit.embeddings.position_embeddings"""),
       ]		)

   if base_model:
      # layernorm + pooler
      rename_keys.extend(
          [
              ("""norm.weight""", """layernorm.weight"""),
              ("""norm.bias""", """layernorm.bias"""),
              ("""pre_logits.fc.weight""", """pooler.dense.weight"""),
              ("""pre_logits.fc.bias""", """pooler.dense.bias"""),
          ]		)

      # if just the base model, we should remove "vit" from all keys that start with "vit"
      snake_case 						=   [(pair[0], pair[1][4:]) if pair[1].startswith("""vit"""		) else pair for pair in rename_keys]
   else:
      # layernorm + classification head
      rename_keys.extend(
          [
              ("""norm.weight""", """vit.layernorm.weight"""),
              ("""norm.bias""", """vit.layernorm.bias"""),
              ("""head.weight""", """classifier.weight"""),
              ("""head.bias""", """classifier.bias"""),
          ]		)

   return rename_keys





def 	__lowerCamelCase			(      __lowerCAmelCase       :							Dict      ,    __lowerCAmelCase       :							Optional[Any]      ,    __lowerCAmelCase       :							int=False		)		->  Union[str, Any]:
   for i in range(config.num_hidden_layers		):
      if base_model:
         snake_case 						=   """"""
      else:
         snake_case 						=   """vit."""
      # read in weights + bias of input projection layer (in timm, this is a single matrix + bias)
      snake_case 						=   state_dict.pop(F'''blocks.{i}.attn.qkv.weight'''		)
      snake_case 						=   state_dict.pop(F'''blocks.{i}.attn.qkv.bias'''		)
      # next, add query, keys and values (in that order) to the state dict
      snake_case 						=   in_proj_weight[
          : config.hidden_size, :
      ]
      snake_case 						=   in_proj_bias[: config.hidden_size]
      snake_case 						=   in_proj_weight[
          config.hidden_size : config.hidden_size * 2, :
      ]
      snake_case 						=   in_proj_bias[
          config.hidden_size : config.hidden_size * 2
      ]
      snake_case 						=   in_proj_weight[
          -config.hidden_size :, :
      ]
      snake_case 						=   in_proj_bias[-config.hidden_size :]





def 	__lowerCamelCase			(      __lowerCAmelCase       :							List[str]		)		->  List[str]:
   snake_case 						=   ["""head.weight""", """head.bias"""]
   for k in ignore_keys:
      state_dict.pop(__lowerCAmelCase      ,    __lowerCAmelCase		)





def 	__lowerCamelCase			(      __lowerCAmelCase       :							Optional[Any]      ,    __lowerCAmelCase       :							int      ,    __lowerCAmelCase       :							Tuple		)		->  int:
   snake_case 						=   dct.pop(__lowerCAmelCase		)
   snake_case 						=   val





def 	__lowerCamelCase			(      )		->  Optional[Any]:
   snake_case 						=   """http://images.cocodataset.org/val2017/000000039769.jpg"""
   snake_case 						=   Image.open(requests.get(__lowerCAmelCase      ,    stream=__lowerCAmelCase		).raw		)
   return im





@torch.no_grad()
def 	__lowerCamelCase			(      __lowerCAmelCase       :							List[str]      ,    __lowerCAmelCase       :							Any		)		->  Dict:
   snake_case 						=   ViTConfig()
   snake_case 						=   False
   # dataset (ImageNet-21k only or also fine-tuned on ImageNet 2012), patch_size and image_size
   if vit_name[-5:] == "in21k":
      snake_case 						=   True
      snake_case 						=   int(vit_name[-12:-10]		)
      snake_case 						=   int(vit_name[-9:-6]		)
   else:
      snake_case 						=   10_00
      snake_case 						=   """huggingface/label-files"""
      snake_case 						=   """imagenet-1k-id2label.json"""
      snake_case 						=   json.load(open(hf_hub_download(__lowerCAmelCase      ,    __lowerCAmelCase      ,    repo_type="""dataset"""		)      ,    """r"""		)		)
      snake_case 						=   {int(__lowerCAmelCase		): v for k, v in idalabel.items()}
      snake_case 						=   idalabel
      snake_case 						=   {v: k for k, v in idalabel.items()}
      snake_case 						=   int(vit_name[-6:-4]		)
      snake_case 						=   int(vit_name[-3:]		)
   # size of the architecture
   if "deit" in vit_name:
      if vit_name[9:].startswith("""tiny"""		):
         snake_case 						=   1_92
         snake_case 						=   7_68
         snake_case 						=   12
         snake_case 						=   3
      elif vit_name[9:].startswith("""small"""		):
         snake_case 						=   3_84
         snake_case 						=   15_36
         snake_case 						=   12
         snake_case 						=   6
      else:
         pass
   else:
      if vit_name[4:].startswith("""small"""		):
         snake_case 						=   7_68
         snake_case 						=   23_04
         snake_case 						=   8
         snake_case 						=   8
      elif vit_name[4:].startswith("""base"""		):
         pass
      elif vit_name[4:].startswith("""large"""		):
         snake_case 						=   10_24
         snake_case 						=   40_96
         snake_case 						=   24
         snake_case 						=   16
      elif vit_name[4:].startswith("""huge"""		):
         snake_case 						=   12_80
         snake_case 						=   51_20
         snake_case 						=   32
         snake_case 						=   16

    # load original model from timm
   snake_case 						=   timm.create_model(__lowerCAmelCase      ,    pretrained=__lowerCAmelCase		)
   timm_model.eval()

   # load state_dict of original model, remove and rename some keys
   snake_case 						=   timm_model.state_dict()
   if base_model:
      remove_classification_head_(__lowerCAmelCase		)
   snake_case 						=   create_rename_keys(__lowerCAmelCase      ,    __lowerCAmelCase		)
   for src, dest in rename_keys:
      rename_key(__lowerCAmelCase      ,    __lowerCAmelCase      ,    __lowerCAmelCase		)
   read_in_q_k_v(__lowerCAmelCase      ,    __lowerCAmelCase      ,    __lowerCAmelCase		)

   # load HuggingFace model
   if vit_name[-5:] == "in21k":
      snake_case 						=   ViTModel(__lowerCAmelCase		).eval()
   else:
      snake_case 						=   ViTForImageClassification(__lowerCAmelCase		).eval()
   model.load_state_dict(__lowerCAmelCase		)

   # Check outputs on an image, prepared by ViTImageProcessor/DeiTImageProcessor
   if "deit" in vit_name:
      snake_case 						=   DeiTImageProcessor(size=config.image_size		)
   else:
      snake_case 						=   ViTImageProcessor(size=config.image_size		)
   snake_case 						=   image_processor(images=prepare_img()      ,    return_tensors="""pt"""		)
   snake_case 						=   encoding["""pixel_values"""]
   snake_case 						=   model(__lowerCAmelCase		)

   if base_model:
      snake_case 						=   timm_model.forward_features(__lowerCAmelCase		)
      assert timm_pooled_output.shape == outputs.pooler_output.shape
      assert torch.allclose(__lowerCAmelCase      ,    outputs.pooler_output      ,    atol=1e-3		)
   else:
      snake_case 						=   timm_model(__lowerCAmelCase		)
      assert timm_logits.shape == outputs.logits.shape
      assert torch.allclose(__lowerCAmelCase      ,    outputs.logits      ,    atol=1e-3		)

   Path(__lowerCAmelCase		).mkdir(exist_ok=__lowerCAmelCase		)
   print(F'''Saving model {vit_name} to {pytorch_dump_folder_path}'''		)
   model.save_pretrained(__lowerCAmelCase		)
   print(F'''Saving image processor to {pytorch_dump_folder_path}'''		)
   image_processor.save_pretrained(__lowerCAmelCase		)


if __name__ == "__main__":
 _SCREAMING_SNAKE_CASE							     =			argparse.ArgumentParser()
 # Required parameters
 parser.add_argument(
     "--vit_name",
     default="vit_base_patch16_224",
     type=str,
     help="Name of the ViT timm model you'd like to convert.",
 )
 parser.add_argument(
     "--pytorch_dump_folder_path", default=None, type=str, help="Path to the output PyTorch model directory."
 )

 _SCREAMING_SNAKE_CASE							     =			parser.parse_args()
 convert_vit_checkpoint(args.vit_name, args.pytorch_dump_folder_path)

