




import json
import os
from typing import Dict, List, Optional, Tuple

import regex as re

from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging


UpperCAmelCase__				     = logging.get_logger(__name__)


UpperCAmelCase__				     = {
    "vocab_file": "vocab.json",
    "merges_file": "merges.txt",
    "tokenizer_config_file": "tokenizer_config.json",
}

UpperCAmelCase__				     = {
    "vocab_file": {
        "facebook/blenderbot_small-90M": "https://huggingface.co/facebook/blenderbot_small-90M/resolve/main/vocab.json"
    },
    "merges_file": {
        "facebook/blenderbot_small-90M": "https://huggingface.co/facebook/blenderbot_small-90M/resolve/main/merges.txt"
    },
    "tokenizer_config_file": {
        "facebook/blenderbot_small-90M": (
            "https://huggingface.co/facebook/blenderbot_small-90M/resolve/main/tokenizer_config.json"
        )
    },
}

UpperCAmelCase__				     = {"facebook/blenderbot_small-90M": 512}







def 		_A(       UpperCamelCase__							:			Dict				)    -> Any:
							'''simple docstring'''


							__lowercase      =    set()
							__lowercase      =    word[0]
							for char in word[1:]:
														pairs.add((prev_char, char)				)
														__lowercase      =    char

							__lowercase      =    set(UpperCamelCase__				)
							return pairs







class a (     __SCREAMING_SNAKE_CASE  ):
						"""simple docstring"""

						UpperCamelCase_	:       Any       	=		VOCAB_FILES_NAMES
						UpperCamelCase_	:       Dict       	=		PRETRAINED_VOCAB_FILES_MAP
						UpperCamelCase_	:       Any       	=		PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
						UpperCamelCase_	:       Optional[Any]       	=		['input_ids', 'attention_mask']






						def __init__( self :     Union[str, Any]				,							lowerCamelCase__ :     List[str]				,							lowerCamelCase__ :     Tuple				,							lowerCamelCase__ :     Tuple="__start__"				,							lowerCamelCase__ :     Union[str, Any]="__end__"				,							lowerCamelCase__ :     int="__unk__"				,							lowerCamelCase__ :     Dict="__null__"				,							**lowerCamelCase__ :     List[Any]				,							)    ->						Tuple:
													"""simple docstring"""


													super().__init__(unk_token=lowerCamelCase__				,							bos_token=lowerCamelCase__				,							eos_token=lowerCamelCase__				,							pad_token=lowerCamelCase__				,							**lowerCamelCase__				)

													with open(lowerCamelCase__				,							encoding='''utf-8'''				) as vocab_handle:
																				__lowercase      =    json.load(lowerCamelCase__				)
													__lowercase      =    {v: k for k, v in self.encoder.items()}
													with open(lowerCamelCase__				,							encoding='''utf-8'''				) as merges_handle:
																				__lowercase      =    merges_handle.read().split('''\n'''				)[1:-1]
													__lowercase      =    [tuple(merge.split()				) for merge in merges]
													__lowercase      =    dict(zip(lowerCamelCase__				,							range(len(lowerCamelCase__				)				)				)				)
													__lowercase      =    {}






						@property
						def     UpperCAmelCase_      ( self :     Union[str, Any]				)    ->						int:
													"""simple docstring"""


													return len(self.encoder				)






						def     UpperCAmelCase_      ( self :     Optional[Any]				)    ->						Dict:
													"""simple docstring"""


													return dict(self.encoder				,							**self.added_tokens_encoder				)






						def     UpperCAmelCase_      ( self :     Optional[int]				,							lowerCamelCase__ :     str				)    ->						str:
													"""simple docstring"""


													if token in self.cache:
																				return self.cache[token]
													__lowercase      =    re.sub('''([.,!?()])'''				,							R''' \1'''				,							lowerCamelCase__				)
													__lowercase      =    re.sub('''(\')'''				,							R''' \1 '''				,							lowerCamelCase__				)
													__lowercase      =    re.sub(R'''\s{2,}'''				,							''' '''				,							lowerCamelCase__				)
													if "\n" in token:
																				__lowercase      =    token.replace('''\n'''				,							''' __newln__'''				)

													__lowercase      =    token.split(''' '''				)
													__lowercase      =    []
													for token in tokens:
																				if not len(lowerCamelCase__				):
																											continue

																				__lowercase      =    token.lower()
																				__lowercase      =    tuple(lowerCamelCase__				)
																				__lowercase      =    tuple(list(word[:-1]				) + [word[-1] + '''</w>''']				)
																				__lowercase      =    get_pairs(lowerCamelCase__				)

																				if not pairs:
																											words.append(lowerCamelCase__				)
																											continue

																				while True:
																											__lowercase      =    min(lowerCamelCase__				,							key=lambda lowerCamelCase__				: self.bpe_ranks.get(lowerCamelCase__				,							float('''inf'''				)				)				)
																											if bigram not in self.bpe_ranks:
																																		break
																											__lowercase     ,     __lowercase      =    bigram
																											__lowercase      =    []
																											__lowercase      =    0

																											while i < len(lowerCamelCase__				):
																																		try:
																																									__lowercase      =    word.index(lowerCamelCase__				,							lowerCamelCase__				)
																																									new_word.extend(word[i:j]				)
																																									__lowercase      =    j
																																		except ValueError:
																																									new_word.extend(word[i:]				)
																																									break

																																		if word[i] == first and i < len(lowerCamelCase__				) - 1 and word[i + 1] == second:
																																									new_word.append(first + second				)
																																									i += 2
																																		else:
																																									new_word.append(word[i]				)
																																									i += 1
																											__lowercase      =    tuple(lowerCamelCase__				)
																											__lowercase      =    new_word
																											if len(lowerCamelCase__				) == 1:
																																		break
																											else:
																																		__lowercase      =    get_pairs(lowerCamelCase__				)
																				__lowercase      =    '''@@ '''.join(lowerCamelCase__				)
																				__lowercase      =    word[:-4]

																				__lowercase      =    word
																				words.append(lowerCamelCase__				)
													return " ".join(lowerCamelCase__				)






						def     UpperCAmelCase_      ( self :     List[Any]				,							lowerCamelCase__ :     str				)    ->						List[str]:
													"""simple docstring"""


													__lowercase      =    []

													__lowercase      =    re.findall(R'''\S+\n?'''				,							lowerCamelCase__				)

													for token in words:
																				split_tokens.extend(list(self.bpe(lowerCamelCase__				).split(''' '''				)				)				)
													return split_tokens






						def     UpperCAmelCase_      ( self :     int				,							lowerCamelCase__ :     str				)    ->						int:
													"""simple docstring"""


													__lowercase      =    token.lower()
													return self.encoder.get(lowerCamelCase__				,							self.encoder.get(self.unk_token				)				)






						def     UpperCAmelCase_      ( self :     Optional[int]				,							lowerCamelCase__ :     int				)    ->						str:
													"""simple docstring"""


													return self.decoder.get(lowerCamelCase__				,							self.unk_token				)






						def     UpperCAmelCase_      ( self :     List[Any]				,							lowerCamelCase__ :     List[str]				)    ->						str:
													"""simple docstring"""


													__lowercase      =    ''' '''.join(lowerCamelCase__				).replace('''@@ '''				,							''''''				).strip()
													return out_string






						def     UpperCAmelCase_      ( self :     Optional[int]				,							lowerCamelCase__ :     str				,							lowerCamelCase__ :     Optional[str] = None				)    ->						Tuple[str]:
													"""simple docstring"""


													if not os.path.isdir(lowerCamelCase__				):
																				logger.error(f'Vocabulary path ({save_directory}) should be a directory'				)
																				return
													__lowercase      =    os.path.join(
													    lowerCamelCase__				,							(filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''vocab_file''']				)
													__lowercase      =    os.path.join(
													    lowerCamelCase__				,							(filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''merges_file''']				)

													with open(lowerCamelCase__				,							'''w'''				,							encoding='''utf-8'''				) as f:
																				f.write(json.dumps(self.encoder				,							indent=2				,							sort_keys=lowerCamelCase__				,							ensure_ascii=lowerCamelCase__				) + '''\n'''				)

													__lowercase      =    0
													with open(lowerCamelCase__				,							'''w'''				,							encoding='''utf-8'''				) as writer:
																				writer.write('''#version: 0.2\n'''				)
																				for bpe_tokens, token_index in sorted(self.bpe_ranks.items()				,							key=lambda lowerCamelCase__				: kv[1]				):
																											if index != token_index:
																																		logger.warning(
																																		    f'Saving vocabulary to {merge_file}: BPE merge indices are not consecutive.'
																																		    ''' Please check that the tokenizer is not corrupted!'''				)
																																		__lowercase      =    token_index
																											writer.write(''' '''.join(lowerCamelCase__				) + '''\n'''				)
																											index += 1

													return vocab_file, merge_file











# This code is adapted from OpenAI's release
# https://github.com/openai/human-eval/blob/master/human_eval/execution.py

import contextlib
import faulthandler
import io
import multiprocessing
import os
import platform
import signal
import tempfile







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


							__lowercase      =    multiprocessing.Manager()
							__lowercase      =    manager.list()

							__lowercase      =    multiprocessing.Process(target=UpperCamelCase__				,       args=(check_program, result, timeout)				)
							p.start()
							p.join(timeout=timeout + 1				)
							if p.is_alive():
														p.kill()

							if not result:
														result.append('''timed out'''				)

							return {
							    "task_id": task_id,
							    "passed": result[0] == "passed",
							    "result": result[0],
							    "completion_id": completion_id,
							}







def 		_A(       UpperCamelCase__							:			int				,       UpperCamelCase__							:			List[Any]				,       UpperCamelCase__							:			Optional[int]				)    -> List[Any]:
							'''simple docstring'''


							with create_tempdir():
														# These system calls are needed when cleaning up tempdir.
														import os
														import shutil

														__lowercase      =    shutil.rmtree
														__lowercase      =    os.rmdir
														__lowercase      =    os.chdir

														# Disable functionalities that can make destructive changes to the test.
														reliability_guard()

														# Run program.
														try:
																					__lowercase      =    {}
																					with swallow_io():
																												with time_limit(UpperCamelCase__				):
																																			exec(UpperCamelCase__				,       UpperCamelCase__				)
																					result.append('''passed'''				)
														except TimeoutException:
																					result.append('''timed out'''				)
														except BaseException as e:
																					result.append(F'failed: {e}'				)

														# Needed for cleaning up.
														__lowercase      =    rmtree
														__lowercase      =    rmdir
														__lowercase      =    chdir







@contextlib.contextmanager
def 		_A(       UpperCamelCase__							:			Union[str, Any]				)    -> Optional[int]:
							'''simple docstring'''


							def signal_handler(UpperCamelCase__							:			List[str]				,       UpperCamelCase__							:			Optional[Any]				):
														raise TimeoutException('''Timed out!'''				)

							signal.setitimer(signal.ITIMER_REAL				,       UpperCamelCase__				)
							signal.signal(signal.SIGALRM				,       UpperCamelCase__				)
							try:
														yield
							finally:
														signal.setitimer(signal.ITIMER_REAL				,       0				)







@contextlib.contextmanager
def 		_A(       )    -> Any:
							'''simple docstring'''


							__lowercase      =    WriteOnlyStringIO()
							with contextlib.redirect_stdout(UpperCamelCase__				):
														with contextlib.redirect_stderr(UpperCamelCase__				):
																					with redirect_stdin(UpperCamelCase__				):
																												yield







@contextlib.contextmanager
def 		_A(       )    -> Tuple:
							'''simple docstring'''


							with tempfile.TemporaryDirectory() as dirname:
														with chdir(UpperCamelCase__				):
																					yield dirname







class a (     __SCREAMING_SNAKE_CASE  ):
						"""simple docstring"""

						pass







class a (     io.StringIO  ):
						"""simple docstring"""

						def     UpperCAmelCase_      ( self :     List[str]				,							*lowerCamelCase__ :     str				,							**lowerCamelCase__ :     str				)    ->						Tuple:
													"""simple docstring"""


													raise OSError






						def     UpperCAmelCase_      ( self :     List[str]				,							*lowerCamelCase__ :     List[str]				,							**lowerCamelCase__ :     Dict				)    ->						List[Any]:
													"""simple docstring"""


													raise OSError






						def     UpperCAmelCase_      ( self :     List[str]				,							*lowerCamelCase__ :     Dict				,							**lowerCamelCase__ :     Dict				)    ->						Optional[int]:
													"""simple docstring"""


													raise OSError






						def     UpperCAmelCase_      ( self :     Tuple				,							*lowerCamelCase__ :     Optional[Any]				,							**lowerCamelCase__ :     Tuple				)    ->						Optional[Any]:
													"""simple docstring"""


													return False







class a (     contextlib._RedirectStream  ):  # type: ignore
						"""simple docstring"""

						UpperCamelCase_	:       str       	=		'stdin'







@contextlib.contextmanager
def 		_A(       UpperCamelCase__							:			int				)    -> Any:
							'''simple docstring'''


							if root == ".":
														yield
														return
							__lowercase      =    os.getcwd()
							os.chdir(UpperCamelCase__				)
							try:
														yield
							except BaseException as exc:
														raise exc
							finally:
														os.chdir(UpperCamelCase__				)







def 		_A(       UpperCamelCase__							:			Optional[Any]=None				)    -> Any:
							'''simple docstring'''


							if maximum_memory_bytes is not None:
														import resource

														resource.setrlimit(resource.RLIMIT_AS				,       (maximum_memory_bytes, maximum_memory_bytes)				)
														resource.setrlimit(resource.RLIMIT_DATA				,       (maximum_memory_bytes, maximum_memory_bytes)				)
														if not platform.uname().system == "Darwin":
																					resource.setrlimit(resource.RLIMIT_STACK				,       (maximum_memory_bytes, maximum_memory_bytes)				)

							faulthandler.disable()

							import builtins

							__lowercase      =    None
							__lowercase      =    None

							import os

							__lowercase      =    '''1'''

							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None

							import shutil

							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None

							import subprocess

							__lowercase      =    None  # type: ignore

							__lowercase      =    None

							import sys

							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None
							__lowercase      =    None






