





'''simple docstring'''






from __future__ import annotations

import sys
from collections import deque
from typing import Generic, TypeVar

__lowerCamelCase						: Optional[int]		=   TypeVar('T')







class 		UpperCAmelCase   (				Generic[T]):


  """simple docstring"""







  lowerCAmelCase_					=				42  # Cache store of keys
  lowerCAmelCase_					=				42  # References of the keys in cache
  lowerCAmelCase_					=				10  # Maximum capacity of cache


  def __init__(				self    :					Union[str, Any]							,	UpperCamelCase__    :					int  )     ->						None:
    _UpperCamelCase       			=deque()
    _UpperCamelCase       			=set()
    if not n:
      _UpperCamelCase       			=sys.maxsize
    elif n < 0:
      raise ValueError('''n should be an integer greater than 0.'''  )
    else:
      _UpperCamelCase       			=n


  def   UpperCamelCase__      (				self    :					List[str]							,	UpperCamelCase__    :					T  )     ->						None:
    if x not in self.key_reference:
      if len(self.dq_store  ) == LRUCache._MAX_CAPACITY:
        _UpperCamelCase       			=self.dq_store.pop()
        self.key_reference.remove(UpperCamelCase__  )
    else:
      self.dq_store.remove(UpperCamelCase__  )

    self.dq_store.appendleft(UpperCamelCase__  )
    self.key_reference.add(UpperCamelCase__  )


  def   UpperCamelCase__      (				self    :					Union[str, Any]  )     ->						None:
    for k in self.dq_store:
      print(UpperCamelCase__  )




  def __repr__(				self    :					str  )     ->						str:
    return F'''LRUCache({self._MAX_CAPACITY}) => {list(self.dq_store  )}'''


if __name__ == "__main__":
      import doctest

      doctest.testmod()

      __lowerCamelCase						: LRUCache[str | int]		=   LRUCache(4)
      lru_cache.refer('A')
      lru_cache.refer(2)
      lru_cache.refer(3)
      lru_cache.refer('A')
      lru_cache.refer(4)
      lru_cache.refer(5)
      lru_cache.display()

      print(lru_cache)
      assert str(lru_cache) == "LRUCache(4) => [5, 4, 'A', 3]"













'''simple docstring'''






import argparse
import os
import pickle
import sys

import torch

from transformers import TransfoXLConfig, TransfoXLLMHeadModel, load_tf_weights_in_transfo_xl
from transformers.models.transfo_xl import tokenization_transfo_xl as data_utils
from transformers.models.transfo_xl.tokenization_transfo_xl import CORPUS_NAME, VOCAB_FILES_NAMES
from transformers.utils import CONFIG_NAME, WEIGHTS_NAME, logging


logging.set_verbosity_info()

# We do this to be able to load python 2 datasets pickles
# See e.g. https://stackoverflow.com/questions/2121874/python-pickling-after-changing-a-modules-directory/2121918#2121918
__lowerCamelCase						: List[Any]		=   data_utils.TransfoXLTokenizer
__lowerCamelCase						: str		=   data_utils.TransfoXLCorpus
__lowerCamelCase						: Optional[int]		=   data_utils
__lowerCamelCase						: int		=   data_utils


def 					_a   (__SCREAMING_SNAKE_CASE  ,      __SCREAMING_SNAKE_CASE  ,      __SCREAMING_SNAKE_CASE  ,      __SCREAMING_SNAKE_CASE   ):


  """simple docstring"""

  if transfo_xl_dataset_file:
    # Convert a pre-processed corpus (see original TensorFlow repo)
    with open(__SCREAMING_SNAKE_CASE  ,      '''rb'''   ) as fp:
      _UpperCamelCase       			=pickle.load(__SCREAMING_SNAKE_CASE  ,      encoding='''latin1'''   )
    # Save vocabulary and dataset cache as Dictionaries (should be better than pickles for the long-term)
    _UpperCamelCase       			=pytorch_dump_folder_path + '''/''' + VOCAB_FILES_NAMES['''pretrained_vocab_file''']
    print(f'''Save vocabulary to {pytorch_vocab_dump_path}'''   )
    _UpperCamelCase       			=corpus.vocab.__dict__
    torch.save(__SCREAMING_SNAKE_CASE  ,      __SCREAMING_SNAKE_CASE   )

    _UpperCamelCase       			=corpus.__dict__
    corpus_dict_no_vocab.pop('''vocab'''  ,      __SCREAMING_SNAKE_CASE   )
    _UpperCamelCase       			=pytorch_dump_folder_path + '''/''' + CORPUS_NAME
    print(f'''Save dataset to {pytorch_dataset_dump_path}'''   )
    torch.save(__SCREAMING_SNAKE_CASE  ,      __SCREAMING_SNAKE_CASE   )

  if tf_checkpoint_path:
    # Convert a pre-trained TensorFlow model
    _UpperCamelCase       			=os.path.abspath(__SCREAMING_SNAKE_CASE   )
    _UpperCamelCase       			=os.path.abspath(__SCREAMING_SNAKE_CASE   )

    print(f'''Converting Transformer XL checkpoint from {tf_path} with config at {config_path}.'''   )
    # Initialise PyTorch model
    if transfo_xl_config_file == "":
      _UpperCamelCase       			=TransfoXLConfig()
    else:
      _UpperCamelCase       			=TransfoXLConfig.from_json_file(__SCREAMING_SNAKE_CASE   )
    print(f'''Building PyTorch model from configuration: {config}'''   )
    _UpperCamelCase       			=TransfoXLLMHeadModel(__SCREAMING_SNAKE_CASE   )

    _UpperCamelCase       			=load_tf_weights_in_transfo_xl(__SCREAMING_SNAKE_CASE  ,      __SCREAMING_SNAKE_CASE  ,      __SCREAMING_SNAKE_CASE   )
    # Save pytorch-model
    _UpperCamelCase       			=os.path.join(__SCREAMING_SNAKE_CASE  ,      __SCREAMING_SNAKE_CASE   )
    _UpperCamelCase       			=os.path.join(__SCREAMING_SNAKE_CASE  ,      __SCREAMING_SNAKE_CASE   )
    print(f'''Save PyTorch model to {os.path.abspath(__SCREAMING_SNAKE_CASE   )}'''   )
    torch.save(model.state_dict()  ,      __SCREAMING_SNAKE_CASE   )
    print(f'''Save configuration file to {os.path.abspath(__SCREAMING_SNAKE_CASE   )}'''   )
    with open(__SCREAMING_SNAKE_CASE  ,      '''w'''  ,      encoding='''utf-8'''   ) as f:
      f.write(config.to_json_string()   )


if __name__ == "__main__":
      __lowerCamelCase						: Any		=   argparse.ArgumentParser()
      parser.add_argument(
          '--pytorch_dump_folder_path',
          default=None,
          type=str,
          required=True,
          help='Path to the folder to store the PyTorch model or dataset/vocab.',
      )
      parser.add_argument(
          '--tf_checkpoint_path',
          default='',
          type=str,
          help='An optional path to a TensorFlow checkpoint path to be converted.',
      )
      parser.add_argument(
          '--transfo_xl_config_file',
          default='',
          type=str,
          help=(
              'An optional config json file corresponding to the pre-trained BERT model. \n'
              'This specifies the model architecture.'
          ),
      )
      parser.add_argument(
          '--transfo_xl_dataset_file',
          default='',
          type=str,
          help='An optional dataset file to be converted in a vocabulary.',
      )
      __lowerCamelCase						: Optional[int]		=   parser.parse_args()
      convert_transfo_xl_checkpoint_to_pytorch(
          args.tf_checkpoint_path,
          args.transfo_xl_config_file,
          args.pytorch_dump_folder_path,
          args.transfo_xl_dataset_file,
      )






