



import argparse
import shutil
from pathlib import Path

from tqdm import tqdm

from transformers import AutoTokenizer

def   _lowerCAmelCase   (						A__						,  A__						,  A__						,  A__=1_024	):
      lowercase__,	lowercase__     =  [], []

      lowercase__     =  list(zip(A__						,  A__	)	)
      lowercase__,	lowercase__     =  sorted_examples[0]

      def is_too_big(A__	):
            return tok(A__						,  return_tensors='pt'	).input_ids.shape[1] > max_tokens

      for src, tgt in tqdm(sorted_examples[1:]	):
            lowercase__     =  new_src + ' ' + src
            lowercase__     =  new_tgt + ' ' + tgt
            if is_too_big(A__	) or is_too_big(A__	):  # cant fit, finalize example
                  finished_src.append(A__	)
                  finished_tgt.append(A__	)
                  lowercase__,	lowercase__     =  src, tgt
            else:  # can fit, keep adding
                  lowercase__,	lowercase__     =  cand_src, cand_tgt

    # cleanup
      if new_src:
            assert new_tgt
            finished_src.append(A__	)
            finished_tgt.append(A__	)
      return finished_src, finished_tgt

def   _lowerCAmelCase   (						A__						,  A__						,  A__						,  A__	):
      lowercase__     =  Path(A__	)
      save_path.mkdir(exist_ok=A__	)
      for split in ["train"]:
            lowercase__,	lowercase__     =  data_dir / F'''{split}.source''', data_dir / F'''{split}.target'''
            lowercase__     =  [x.rstrip() for x in Path(A__	).open().readlines()]
            lowercase__     =  [x.rstrip() for x in Path(A__	).open().readlines()]
            lowercase__,	lowercase__     =  pack_examples(A__						,  A__						,  A__						,  A__	)
            print(F'''packed {split} split from {len(A__	)} examples -> {len(A__	)}.'''	)
            Path(save_path / F'''{split}.source'''	).open('w'	).write('\n'.join(A__	)	)
            Path(save_path / F'''{split}.target'''	).open('w'	).write('\n'.join(A__	)	)
      for split in ["val", "test"]:
            lowercase__,	lowercase__     =  data_dir / F'''{split}.source''', data_dir / F'''{split}.target'''
            shutil.copyfile(A__						,  save_path / F'''{split}.source'''	)
            shutil.copyfile(A__						,  save_path / F'''{split}.target'''	)

def   _lowerCAmelCase   (						):
      lowercase__     =  argparse.ArgumentParser()
      parser.add_argument('--tok_name'						,  type=A__						,  help='like facebook/bart-large-cnn,t5-base, etc.'	)
      parser.add_argument('--max_seq_len'						,  type=A__						,  default=128	)
      parser.add_argument('--data_dir'						,  type=A__	)
      parser.add_argument('--save_path'						,  type=A__	)
      lowercase__     =  parser.parse_args()
      lowercase__     =  AutoTokenizer.from_pretrained(args.tok_name	)
      return pack_data_dir(A__						,  Path(args.data_dir	)						,  args.max_seq_len						,  args.save_path	)


if __name__ == "__main__":
       packer_cli()





import math
import sys

def   _lowerCAmelCase   (						A__	):
      lowercase__     =  ''
      try:
            with open(A__						,  'rb'	) as binary_file:
                  lowercase__     =  binary_file.read()
            for dat in data:
                  lowercase__     =  F'''{dat:08b}'''
                  result += curr_byte
            return result
      except OSError:
            print('File not accessible'	)
            sys.exit()

def   _lowerCAmelCase   (						A__	):
      lowercase__     =  {'0': '0', '1': '1'}
      lowercase__,	lowercase__     =  '', ''
      lowercase__     =  len(A__	)

      for i in range(len(A__	)	):
            curr_string += data_bits[i]
            if curr_string not in lexicon:
                  continue

            lowercase__     =  lexicon[curr_string]
            result += last_match_id
            lowercase__     =  last_match_id + '0'

            if math.loga(A__	).is_integer():
                  lowercase__     =  {}
                  for curr_key in list(A__	):
                        lowercase__     =  lexicon.pop(A__	)
                  lowercase__     =  new_lex

            lowercase__     =  last_match_id + '1'
            index += 1
            lowercase__     =  ''
      return result

def   _lowerCAmelCase   (						A__						,  A__	):
      lowercase__     =  8
      try:
            with open(A__						,  'wb'	) as opened_file:
                  lowercase__     =  [
                      to_write[i : i + byte_length]
                      for i in range(0						,  len(A__	)						,  A__	)
                  ]

                  if len(result_byte_array[-1]	) % byte_length == 0:
                        result_byte_array.append('10000000'	)
                  else:
                        result_byte_array[-1] += "1" + "0" * (
                            byte_length - len(result_byte_array[-1]	) - 1
                        )

                  for elem in result_byte_array[:-1]:
                        opened_file.write(int(A__						,  2	).to_bytes(1						,  byteorder='big'	)	)
      except OSError:
            print('File not accessible'	)
            sys.exit()

def   _lowerCAmelCase   (						A__	):
      lowercase__     =  0
      for letter in data_bits:
            if letter == "1":
                  break
            counter += 1

      lowercase__     =  data_bits[counter:]
      lowercase__     =  data_bits[counter + 1 :]
      return data_bits

def   _lowerCAmelCase   (						A__						,  A__	):
      lowercase__     =  read_file_binary(A__	)
      lowercase__     =  remove_prefix(A__	)
      lowercase__     =  decompress_data(A__	)
      write_file_binary(A__						,  A__	)


if __name__ == "__main__":
       compress(sys.argv[1], sys.argv[2])
