





import argparse
import json
from pathlib import Path

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

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


logging.set_verbosity_info()
_snake_case  :   Optional[int]						   =  logging.get_logger(__name__)

def   a_   (			lowerCAmelCase_				:      int,     lowerCAmelCase_				:      int=False     ):
   __lowerCAmelCase							     =     []
   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'),
          ]     )

      # if just the base model, we should remove "vit" from all keys that start with "vit"
      __lowerCAmelCase							     =     [(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   a_   (			lowerCAmelCase_				:      Dict,     lowerCAmelCase_				:      List[str],     lowerCAmelCase_				:      Optional[Any]=False     ):
   for i in range(config.num_hidden_layers     ):
      if base_model:
         __lowerCAmelCase							     =     ''
      else:
         __lowerCAmelCase							     =     'vit.'
      # read in weights + bias of input projection layer (in timm, this is a single matrix + bias)
      __lowerCAmelCase							     =     state_dict.pop(F"""blocks.{i}.attn.qkv.weight"""     )
      __lowerCAmelCase							     =     state_dict.pop(F"""blocks.{i}.attn.qkv.bias"""     )
      # next, add query, keys and values (in that order) to the state dict
      __lowerCAmelCase							     =     in_proj_weight[
          : config.hidden_size, :
      ]
      __lowerCAmelCase							     =     in_proj_bias[: config.hidden_size]
      __lowerCAmelCase							     =     in_proj_weight[
          config.hidden_size : config.hidden_size * 2, :
      ]
      __lowerCAmelCase							     =     in_proj_bias[
          config.hidden_size : config.hidden_size * 2
      ]
      __lowerCAmelCase							     =     in_proj_weight[
          -config.hidden_size :, :
      ]
      __lowerCAmelCase							     =     in_proj_bias[-config.hidden_size :]

def   a_   (			lowerCAmelCase_				:      Optional[int]     ):
   __lowerCAmelCase							     =     ['head.weight', 'head.bias']
   for k in ignore_keys:
      state_dict.pop(_A,     _A     )

def   a_   (			lowerCAmelCase_				:      Any,     lowerCAmelCase_				:      List[Any],     lowerCAmelCase_				:      Tuple     ):
   __lowerCAmelCase							     =     dct.pop(_A     )
   __lowerCAmelCase							     =     val

def   a_   (			):
   __lowerCAmelCase							     =     'http://images.cocodataset.org/val2017/000000039769.jpg'
   __lowerCAmelCase							     =     Image.open(requests.get(_A,     stream=_A     ).raw     )
   return im

@torch.no_grad()
def   a_   (			lowerCAmelCase_				:      Optional[int],     lowerCAmelCase_				:      str,     lowerCAmelCase_				:      int=True     ):
   __lowerCAmelCase							     =     ViTConfig()
   # patch_size
   if model_name[-1] == "8":
      __lowerCAmelCase							     =     8
   # set labels if required
   if not base_model:
      __lowerCAmelCase							     =     1000
      __lowerCAmelCase							     =     'huggingface/label-files'
      __lowerCAmelCase							     =     'imagenet-1k-id2label.json'
      __lowerCAmelCase							     =     json.load(open(hf_hub_download(_A,     _A,     repo_type='dataset'     ),     'r'     )     )
      __lowerCAmelCase							     =     {int(_A     ): v for k, v in idalabel.items()}
      __lowerCAmelCase							     =     idalabel
      __lowerCAmelCase							     =     {v: k for k, v in idalabel.items()}
   # size of the architecture
   if model_name in ["dino_vits8", "dino_vits16"]:
      __lowerCAmelCase							     =     384
      __lowerCAmelCase							     =     1536
      __lowerCAmelCase							     =     12
      __lowerCAmelCase							     =     6

   # load original model from torch hub
   __lowerCAmelCase							     =     torch.hub.load('facebookresearch/dino:main',     _A     )
   original_model.eval()

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

   # load HuggingFace model
   if base_model:
      __lowerCAmelCase							     =     ViTModel(_A,     add_pooling_layer=_A     ).eval()
   else:
      __lowerCAmelCase							     =     ViTForImageClassification(_A     ).eval()
   model.load_state_dict(_A     )

   # Check outputs on an image, prepared by ViTImageProcessor
   __lowerCAmelCase							     =     ViTImageProcessor()
   __lowerCAmelCase							     =     image_processor(images=prepare_img(),     return_tensors='pt'     )
   __lowerCAmelCase							     =     encoding['pixel_values']
   __lowerCAmelCase							     =     model(_A     )

   if base_model:
      __lowerCAmelCase							     =     original_model(_A     )
      assert torch.allclose(_A,     outputs.last_hidden_state[:, 0, :],     atol=1E-1     )
   else:
      __lowerCAmelCase							     =     original_model(_A     )
      assert logits.shape == outputs.logits.shape
      assert torch.allclose(_A,     outputs.logits,     atol=1E-3     )

   Path(_A     ).mkdir(exist_ok=_A     )
   print(F"""Saving model {model_name} to {pytorch_dump_folder_path}"""     )
   model.save_pretrained(_A     )
   print(F"""Saving image processor to {pytorch_dump_folder_path}"""     )
   image_processor.save_pretrained(_A     )


if __name__ == "__main__":
     _snake_case  :   List[Any]						   =  argparse.ArgumentParser()
     # Required parameters
     parser.add_argument(
         '--model_name',
         default='dino_vitb16',
         type=str,
         help='Name of the model trained with DINO you\'d like to convert.',
     )
     parser.add_argument(
         '--pytorch_dump_folder_path', default=None, type=str, help='Path to the output PyTorch model directory.'
     )
     parser.add_argument(
         '--base_model',
         action='store_true',
         help='Whether to only convert the base model (no projection head weights).',
     )

     parser.set_defaults(base_model=True)
     _snake_case  :   int						   =  parser.parse_args()
     convert_vit_checkpoint(args.model_name, args.pytorch_dump_folder_path, args.base_model)








class     _UpperCAmelCase   :

  """simple docstring"""


  def __init__(    self			:		Union[str, Any] ,  lowerCAmelCase_			:		List[str] ,  lowerCAmelCase_			:		int ,  lowerCAmelCase_			:		Dict					)							->						List[str]:
     __lowerCAmelCase							     =     name
     __lowerCAmelCase							     =     value
     __lowerCAmelCase							     =     weight






  def __repr__(    self			:		Union[str, Any]					)							->						List[str]:
     return f"""{self.__class__.__name__}({self.name}, {self.value}, {self.weight})"""






  def     lowercase		(    self			:		int					)							->						Optional[int]:
     return self.value






  def     lowercase		(    self			:		Optional[Any]					)							->						Union[str, Any]:
     return self.name






  def     lowercase		(    self			:		List[Any]					)							->						Tuple:
     return self.weight






  def     lowercase		(    self			:		int					)							->						Dict:
     return self.value / self.weight





def   a_   (			lowerCAmelCase_				:      Dict,     lowerCAmelCase_				:      int,     lowerCAmelCase_				:      Optional[int]     ):
   __lowerCAmelCase							     =     []
   for i in range(len(lowerCAmelCase_     )     ):
      menu.append(Things(name[i],     value[i],     weight[i]     )     )
   return menu

def   a_   (			lowerCAmelCase_				:      Optional[int],     lowerCAmelCase_				:      List[Any],     lowerCAmelCase_				:      Optional[Any]     ):
   __lowerCAmelCase							     =     sorted(lowerCAmelCase_,     key=lowerCAmelCase_,     reverse=lowerCAmelCase_     )
   __lowerCAmelCase							     =     []
   __lowerCAmelCase     ,     __lowerCAmelCase							     =     0.0, 0.0
   for i in range(len(lowerCAmelCase_     )     ):
      if (total_cost + items_copy[i].get_weight()) <= max_cost:
         result.append(items_copy[i]     )
         total_cost += items_copy[i].get_weight()
         total_value += items_copy[i].get_value()
   return (result, total_value)

def   a_   (			):
   pass


if __name__ == "__main__":
     import doctest

     doctest.testmod()

