
"""simple docstring"""


import argparse
import logging
import pickle
import random
import time

import numpy as np

from transformers import BertTokenizer, GPTaTokenizer, RobertaTokenizer


logging.basicConfig(
    format='''%(asctime)s - %(levelname)s - %(name)s - %(message)s''', datefmt='''%m/%d/%Y %H:%M:%S''', level=logging.INFO
)
_lowercase							      = logging.getLogger(__name__)






def 					_snake_case (						):
	A        =      argparse.ArgumentParser(
	    description='Preprocess the data to avoid re-doing it several times by (tokenization + token_to_ids).'   )
	parser.add_argument('--file_path'		,					type=snake_case__		,					default='data/dump.txt'		,					help='The path to the data.'   )
	parser.add_argument('--tokenizer_type'		,					type=snake_case__		,					default='bert'		,					choices=['bert', 'roberta', 'gpt2']   )
	parser.add_argument('--tokenizer_name'		,					type=snake_case__		,					default='bert-base-uncased'		,					help='The tokenizer to use.'   )
	parser.add_argument('--dump_file'		,					type=snake_case__		,					default='data/dump'		,					help='The dump file prefix.'   )
	A        =      parser.parse_args()

	logger.info(F'Loading Tokenizer ({args.tokenizer_name})'   )
	if args.tokenizer_type == "bert":
		A        =      BertTokenizer.from_pretrained(args.tokenizer_name   )
		A        =      tokenizer.special_tokens_map['cls_token']  # `[CLS]`
		A        =      tokenizer.special_tokens_map['sep_token']  # `[SEP]`
	elif args.tokenizer_type == "roberta":
		A        =      RobertaTokenizer.from_pretrained(args.tokenizer_name   )
		A        =      tokenizer.special_tokens_map['cls_token']  # `<s>`
		A        =      tokenizer.special_tokens_map['sep_token']  # `</s>`
	elif args.tokenizer_type == "gpt2":
		A        =      GPTaTokenizer.from_pretrained(args.tokenizer_name   )
		A        =      tokenizer.special_tokens_map['bos_token']  # `<|endoftext|>`
		A        =      tokenizer.special_tokens_map['eos_token']  # `<|endoftext|>`

	logger.info(F'Loading text from {args.file_path}'   )
	with open(args.file_path		,					'r'		,					encoding='utf8'   ) as fp:
		A        =      fp.readlines()

	logger.info('Start encoding'   )
	logger.info(F'{len(snake_case__   )} examples to process.'   )

	A        =      []
	A        =      0
	A        =      1_0000
	A        =      time.time()
	for text in data:
		A        =      F'{bos} {text.strip()} {sep}'
		A        =      tokenizer.encode(snake_case__		,					add_special_tokens=snake_case__   )
		rslt.append(snake_case__   )

		iter += 1
		if iter % interval == 0:
			A        =      time.time()
			logger.info(F'{iter} examples processed. - {(end-start):.2f}s/{interval}expl'   )
			A        =      time.time()
	logger.info('Finished binarization'   )
	logger.info(F'{len(snake_case__   )} examples processed.'   )

	A        =      F'{args.dump_file}.{args.tokenizer_name}.pickle'
	A        =      tokenizer.vocab_size
	if vocab_size < (1 << 16):
		A        =      [np.uintaa(snake_case__   ) for d in rslt]
	else:
		A        =      [np.intaa(snake_case__   ) for d in rslt]
	random.shuffle(rslt_   )
	logger.info(F'Dump to {dp_file}'   )
	with open(snake_case__		,					'wb'   ) as handle:
		pickle.dump(rslt_		,					snake_case__		,					protocol=pickle.HIGHEST_PROTOCOL   )


if __name__ == "__main__":
		main()






'''simple docstring'''

from typing import List

from .keymap import KEYMAP, get_character





def lowerCamelCase						(     __lowerCamelCase :    str    )						->Optional[int]:

    def decorator(__lowerCamelCase :    int    ):
        _SCREAMING_SNAKE_CASE									=			getattr(__lowerCamelCase					,       """handle_key"""					,       []    )
        handle += [key]
        setattr(__lowerCamelCase					,       """handle_key"""					,       __lowerCamelCase    )
        return func

    return decorator





def lowerCamelCase						(     *__lowerCamelCase :    List[str]    )						->Dict:

    def decorator(__lowerCamelCase :    int    ):
        _SCREAMING_SNAKE_CASE									=			getattr(__lowerCamelCase					,       """handle_key"""					,       []    )
        handle += keys
        setattr(__lowerCamelCase					,       """handle_key"""					,       __lowerCamelCase    )
        return func

    return decorator


class 					a_     (				snake_case_       ):

    '''simple docstring'''


    def __new__(		cls ,		A ,		A ,		A       )		->   int:
        _SCREAMING_SNAKE_CASE									=			super().__new__(cls ,		A ,		A ,		A       )
        if not hasattr(A ,		"""key_handler"""       ):
            setattr(A ,		"""key_handler""" ,		{}       )
        setattr(A ,		"""handle_input""" ,		KeyHandler.handle_input       )

        for value in attrs.values():
            _SCREAMING_SNAKE_CASE									=			getattr(A ,		"""handle_key""" ,		[]       )
            for key in handled_keys:
                _SCREAMING_SNAKE_CASE									=			value
        return new_cls





    @staticmethod
    def 			snake_case_(		cls       )		->   str:
        _SCREAMING_SNAKE_CASE									=			get_character()
        if char != KEYMAP["undefined"]:
            _SCREAMING_SNAKE_CASE									=			ord(A       )
        _SCREAMING_SNAKE_CASE									=			cls.key_handler.get(A       )
        if handler:
            _SCREAMING_SNAKE_CASE									=			char
            return handler(cls       )
        else:
            return None





def lowerCamelCase						(     cls :    Any    )						->Dict:
    return KeyHandler(cls.__name__					,       cls.__bases__					,       cls.__dict__.copy()    )



