

"""simple docstring"""





from dataclasses import dataclass

_a				   =							'''0.1'''
_a				   =							'''Lucia Harcekova'''




@dataclass
class       _lowerCAmelCase						:







 """simple docstring"""







 __UpperCAmelCase			:      int
 __UpperCAmelCase			:      int
 __UpperCAmelCase			:      str


 def __repr__(    self							:    int			):
    return F"""({self.offset}, {self.length}, {self.indicator})"""







class       _lowerCAmelCase						:







 """simple docstring"""







 def __init__(    self							:    Dict,      UpperCAmelCase__							:    int = 1_3,      UpperCAmelCase__							:    int = 6			):
    __lowercase			=		window_size
    __lowercase			=		lookahead_buffer_size
    __lowercase			=		self.window_size - self.lookahead_buffer_size


 def       _lowercase				(    self							:    Optional[int],      UpperCAmelCase__							:    str			):
    __lowercase			=		[]
    __lowercase			=		''

    # while there are still characters in text to compress
    while text:
       # find the next encoding phrase
       # - triplet with offset, length, indicator (the next encoding character)
       __lowercase			=		self._find_encoding_token(_A,      _A			)

       # update the search buffer:
       # - add new characters from text into it
       # - check if size exceed the max search buffer size, if so, drop the
       #   oldest elements
       search_buffer += text[: token.length + 1]
       if len(_A			) > self.search_buffer_size:
          __lowercase			=		search_buffer[-self.search_buffer_size :]

       # update the text
       __lowercase			=		text[token.length + 1 :]

       # append the token to output
       output.append(_A			)

    return output


 def       _lowercase				(    self							:    Tuple,      UpperCAmelCase__							:    list[Token]			):
    __lowercase			=		''

    for token in tokens:
       for _ in range(token.length			):
          output += output[-token.offset]
       output += token.indicator

    return output


 def       _lowercase				(    self							:    Optional[int],      UpperCAmelCase__							:    str,      UpperCAmelCase__							:    str			):

    if not text:
       raise ValueError("We need some text to work with."			)

    # Initialise result parameters to default values
    __lowercase			=		0, 0

    if not search_buffer:
       return Token(_A,      _A,      text[length]			)

    for i, character in enumerate(_A			):
       __lowercase			=		len(_A			) - i
       if character == text[0]:
          __lowercase			=		self._match_length_from_index(_A,      _A,      0,      _A			)
          # if the found length is bigger than the current or if it's equal,
          # which means it's offset is smaller: update offset and length
          if found_length >= length:
             __lowercase			=		found_offset, found_length

    return Token(_A,      _A,      text[length]			)



 def       _lowercase				(    self							:    str,      UpperCAmelCase__							:    str,      UpperCAmelCase__							:    str,      UpperCAmelCase__							:    int,      UpperCAmelCase__							:    int			):
    if not text or text[text_index] != window[window_index]:
       return 0
    return 1 + self._match_length_from_index(
        _A,      window + text[text_index],      text_index + 1,      window_index + 1			)


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

     testmod()
     # Initialize compressor class
     _a				   =							LZaaCompressor(window_size=13, lookahead_buffer_size=6)

     # Example
     _a				   =							'''cabracadabrarrarrad'''
     _a				   =							lzaa_compressor.compress(TEXT)
     print(lzaa_compressor.compress('ababcbababaa'))
     _a				   =							lzaa_compressor.decompress(compressed_text)
     assert decompressed_text == TEXT, "The LZ77 algorithm returned the invalid result."







"""simple docstring"""





import argparse
import json
import os.path
from collections import OrderedDict

import numpy as np
import requests
import torch
from flax.training.checkpoints import restore_checkpoint
from huggingface_hub import hf_hub_download

from transformers import VivitConfig, VivitForVideoClassification, VivitImageProcessor
from transformers.image_utils import PILImageResampling




def 						_A						(						UpperCamelCase_  : str)			->		Optional[Any]:
   '''simple docstring'''


   __lowercase			=		"https://storage.googleapis.com/scenic-bucket/vivit/kinetics_400/vivit_base_16x2_unfactorized/checkpoint"

   with open(UpperCamelCase_,    "wb") as f:
      with requests.get(UpperCamelCase_,    stream=UpperCamelCase_) as req:
         for chunk in req.iter_content(chunk_size=2048):
            f.write(UpperCamelCase_)




def 						_A						(						)			->		VivitConfig:
   '''simple docstring'''


   __lowercase			=		VivitConfig()

   __lowercase			=		400
   __lowercase			=		"huggingface/label-files"
   __lowercase			=		"kinetics400-id2label.json"

   __lowercase			=		json.load(open(hf_hub_download(UpperCamelCase_,    UpperCamelCase_,    repo_type="dataset"),    "r"))
   __lowercase			=		{int(UpperCamelCase_): v for k, v in idalabel.items()}
   __lowercase			=		idalabel
   __lowercase			=		{v: k for k, v in idalabel.items()}
   return config




def 						_A						(						)			->		List[Any]:
   '''simple docstring'''


   __lowercase			=		hf_hub_download(
       repo_id="hf-internal-testing/spaghetti-video",    filename="eating_spaghetti_32_frames.npy",    repo_type="dataset")
   __lowercase			=		np.load(UpperCamelCase_)
   return list(UpperCamelCase_)




def 						_A						(						UpperCamelCase_  : np.ndarray)			->		Optional[int]:
   '''simple docstring'''


   if np.ndim(UpperCamelCase_) == 2:
      return transform_attention_bias(UpperCamelCase_)

   elif np.ndim(UpperCamelCase_) == 3:
      return transform_attention_kernel(UpperCamelCase_)

   else:
      raise Exception(F"""Invalid number of dimesions: {np.ndim(UpperCamelCase_)}""")




def 						_A						(						UpperCamelCase_  : np.ndarray)			->		Optional[Any]:
   '''simple docstring'''


   return current.flatten()




def 						_A						(						UpperCamelCase_  : np.ndarray)			->		Any:
   '''simple docstring'''


   return np.reshape(UpperCamelCase_,    (current.shape[0], current.shape[1] * current.shape[2])).T




def 						_A						(						UpperCamelCase_  : np.ndarray)			->		Any:
   '''simple docstring'''


   return np.reshape(UpperCamelCase_,    (current.shape[0] * current.shape[1], current.shape[2])).T




def 						_A						(						UpperCamelCase_  : Tuple,    UpperCamelCase_  : Optional[Any])			->		Any:
   '''simple docstring'''


   __lowercase			=		state_dict["optimizer"]["target"]["Transformer"][F"""encoderblock_{i}"""]

   __lowercase			=		F"""encoder.layer.{i}."""
   __lowercase			=		{
       prefix + "intermediate.dense.bias": state["MlpBlock_0"]["Dense_0"]["bias"],
       prefix + "intermediate.dense.weight": np.transpose(state["MlpBlock_0"]["Dense_0"]["kernel"]),
       prefix + "output.dense.bias": state["MlpBlock_0"]["Dense_1"]["bias"],
       prefix + "output.dense.weight": np.transpose(state["MlpBlock_0"]["Dense_1"]["kernel"]),
       prefix + "layernorm_before.bias": state["LayerNorm_0"]["bias"],
       prefix + "layernorm_before.weight": state["LayerNorm_0"]["scale"],
       prefix + "layernorm_after.bias": state["LayerNorm_1"]["bias"],
       prefix + "layernorm_after.weight": state["LayerNorm_1"]["scale"],
       prefix
       + "attention.attention.query.bias": transform_attention(
           state["MultiHeadDotProductAttention_0"]["query"]["bias"]),
       prefix
       + "attention.attention.query.weight": transform_attention(
           state["MultiHeadDotProductAttention_0"]["query"]["kernel"]),
       prefix
       + "attention.attention.key.bias": transform_attention(state["MultiHeadDotProductAttention_0"]["key"]["bias"]),
       prefix
       + "attention.attention.key.weight": transform_attention(
           state["MultiHeadDotProductAttention_0"]["key"]["kernel"]),
       prefix
       + "attention.attention.value.bias": transform_attention(
           state["MultiHeadDotProductAttention_0"]["value"]["bias"]),
       prefix
       + "attention.attention.value.weight": transform_attention(
           state["MultiHeadDotProductAttention_0"]["value"]["kernel"]),
       prefix + "attention.output.dense.bias": state["MultiHeadDotProductAttention_0"]["out"]["bias"],
       prefix
       + "attention.output.dense.weight": transform_attention_output_weight(
           state["MultiHeadDotProductAttention_0"]["out"]["kernel"]),
   }

   return new_state




def 						_A						(						UpperCamelCase_  : str)			->		List[Any]:
   '''simple docstring'''


   return sum([1 if "encoderblock_" in k else 0 for k in state_dict["optimizer"]["target"]["Transformer"].keys()])




def 						_A						(						UpperCamelCase_  : Union[str, Any],    UpperCamelCase_  : Any=False)			->		Any:
   '''simple docstring'''


   __lowercase			=		get_n_layers(UpperCamelCase_)

   __lowercase			=		OrderedDict()

   __lowercase			=		state_dict["optimizer"]["target"]["Transformer"]["encoder_norm"]["bias"]
   __lowercase			=		state_dict["optimizer"]["target"]["Transformer"]["encoder_norm"]["scale"]

   __lowercase			=		np.transpose(
       state_dict["optimizer"]["target"]["embedding"]["kernel"],    (4, 3, 0, 1, 2))
   __lowercase			=		state_dict["optimizer"]["target"]["embedding"]["bias"]

   __lowercase			=		state_dict["optimizer"]["target"]["cls"]
   __lowercase			=		state_dict["optimizer"]["target"]["Transformer"]["posembed_input"][
       "pos_embedding"
   ]

   for i in range(UpperCamelCase_):
      new_state.update(transform_state_encoder_block(UpperCamelCase_,    UpperCamelCase_))

   if classification_head:
      __lowercase			=		{"vivit." + k: v for k, v in new_state.items()}
      __lowercase			=		np.transpose(state_dict["optimizer"]["target"]["output_projection"]["kernel"])
      __lowercase			=		np.transpose(state_dict["optimizer"]["target"]["output_projection"]["bias"])

   return {k: torch.tensor(UpperCamelCase_) for k, v in new_state.items()}




def 						_A						(						)			->		VivitImageProcessor:
   '''simple docstring'''


   __lowercase			=		VivitImageProcessor()

   assert extractor.do_resize is True
   assert extractor.size == {"shortest_edge": 256}
   assert extractor.do_center_crop is True
   assert extractor.crop_size == {"width": 224, "height": 224}
   assert extractor.resample == PILImageResampling.BILINEAR

   # here: https://github.com/deepmind/dmvr/blob/master/dmvr/modalities.py
   # one can seen that add_image has default values for normalization_mean and normalization_std set to 0 and 1
   # which effectively means no normalization (and ViViT does not overwrite those when calling this func)
   assert extractor.do_normalize is False
   assert extractor.do_rescale is True
   assert extractor.rescale_factor == 1 / 255

   # zero-centering = True in original implementation
   assert extractor.do_zero_centering is True

   return extractor




def 						_A						(						UpperCamelCase_  : str)			->		List[str]:
   '''simple docstring'''


   __lowercase			=		"checkpoint"

   if not os.path.exists(UpperCamelCase_):
      download_checkpoint(UpperCamelCase_)

   __lowercase			=		restore_checkpoint(UpperCamelCase_,    UpperCamelCase_)
   __lowercase			=		transform_state(UpperCamelCase_,    classification_head=UpperCamelCase_)

   __lowercase			=		get_vivit_config()

   assert config.image_size == 224
   assert config.num_frames == 32

   __lowercase			=		VivitForVideoClassification(UpperCamelCase_)
   model.load_state_dict(UpperCamelCase_)
   model.eval()

   __lowercase			=		get_processor()

   __lowercase			=		prepare_video()
   __lowercase			=		extractor(UpperCamelCase_,    return_tensors="pt")

   __lowercase			=		model(**UpperCamelCase_)

   __lowercase			=		torch.Size([1, 400])
   __lowercase			=		torch.tensor([-1.0_543, 2.0_764, -0.2_104, 0.4_439, -0.9_658])

   assert outputs.logits.shape == expected_shape
   assert torch.allclose(outputs.logits[0, :5],    UpperCamelCase_,    atol=1E-4), outputs.logits[0, :5]

   model.save_pretrained(UpperCamelCase_)
   extractor.save_pretrained(UpperCamelCase_)


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

   parser.add_argument('--output_model_name', '-o', type=str, help='Output path for the converted HuggingFace model')

   _a				   =							parser.parse_args()
   convert(args.output_model_name)




