'''simple docstring'''

import json
import os
import shutil
import tempfile
from unittest import TestCase

from transformers import BartTokenizer, BartTokenizerFast, DPRQuestionEncoderTokenizer, DPRQuestionEncoderTokenizerFast
from transformers.models.bart.configuration_bart import BartConfig
from transformers.models.bert.tokenization_bert import VOCAB_FILES_NAMES as DPR_VOCAB_FILES_NAMES
from transformers.models.dpr.configuration_dpr import DPRConfig
from transformers.models.roberta.tokenization_roberta import VOCAB_FILES_NAMES as BART_VOCAB_FILES_NAMES
from transformers.testing_utils import require_faiss, require_tokenizers, require_torch, slow
from transformers.utils import is_datasets_available, is_faiss_available, is_torch_available


if is_torch_available() and is_datasets_available() and is_faiss_available():
  from transformers.models.rag.configuration_rag import RagConfig
  from transformers.models.rag.tokenization_rag import RagTokenizer



@require_faiss
@require_torch
class 			UpperCAmelCase  (						a__					):





       '''simple docstring'''



       def _lowerCAmelCase(						self )  ->  str:
        lowercase__				:    Any  =					tempfile.mkdtemp()
        lowercase__				:    Optional[Any]  =					8

        # DPR tok
        lowercase__				:    List[str]  =					[
            '''[UNK]''',
            '''[CLS]''',
            '''[SEP]''',
            '''[PAD]''',
            '''[MASK]''',
            '''want''',
            '''##want''',
            '''##ed''',
            '''wa''',
            '''un''',
            '''runn''',
            '''##ing''',
            ''',''',
            '''low''',
            '''lowest''',
        ]
        lowercase__				:    Union[str, Any]  =					os.path.join(self.tmpdirname	,   '''dpr_tokenizer''' )
        os.makedirs(__lowerCAmelCase	,   exist_ok=__lowerCAmelCase )
        lowercase__				:    Tuple  =					os.path.join(__lowerCAmelCase	,   DPR_VOCAB_FILES_NAMES['''vocab_file'''] )
        with open(self.vocab_file	,   '''w'''	,   encoding='''utf-8''' ) as vocab_writer:
         vocab_writer.write(''''''.join([x + '''\n''' for x in vocab_tokens] ) )

        # BART tok
        lowercase__				:    Dict  =					[
            '''l''',
            '''o''',
            '''w''',
            '''e''',
            '''r''',
            '''s''',
            '''t''',
            '''i''',
            '''d''',
            '''n''',
            '''\u0120''',
            '''\u0120l''',
            '''\u0120n''',
            '''\u0120lo''',
            '''\u0120low''',
            '''er''',
            '''\u0120lowest''',
            '''\u0120newer''',
            '''\u0120wider''',
            '''<unk>''',
        ]
        lowercase__				:    Tuple  =					dict(zip(__lowerCAmelCase	,   range(len(__lowerCAmelCase ) ) ) )
        lowercase__				:    List[Any]  =					['''#version: 0.2''', '''\u0120 l''', '''\u0120l o''', '''\u0120lo w''', '''e r''', '''''']
        lowercase__				:    str  =					{'''unk_token''': '''<unk>'''}

        lowercase__				:    Union[str, Any]  =					os.path.join(self.tmpdirname	,   '''bart_tokenizer''' )
        os.makedirs(__lowerCAmelCase	,   exist_ok=__lowerCAmelCase )
        lowercase__				:    int  =					os.path.join(__lowerCAmelCase	,   BART_VOCAB_FILES_NAMES['''vocab_file'''] )
        lowercase__				:    List[Any]  =					os.path.join(__lowerCAmelCase	,   BART_VOCAB_FILES_NAMES['''merges_file'''] )
        with open(self.vocab_file	,   '''w'''	,   encoding='''utf-8''' ) as fp:
         fp.write(json.dumps(__lowerCAmelCase ) + '''\n''' )
        with open(self.merges_file	,   '''w'''	,   encoding='''utf-8''' ) as fp:
         fp.write('''\n'''.join(__lowerCAmelCase ) )

       def _lowerCAmelCase(						self )  ->  DPRQuestionEncoderTokenizer:
        return DPRQuestionEncoderTokenizer.from_pretrained(os.path.join(self.tmpdirname	,   '''dpr_tokenizer''' ) )

       def _lowerCAmelCase(						self )  ->  BartTokenizer:
        return BartTokenizer.from_pretrained(os.path.join(self.tmpdirname	,   '''bart_tokenizer''' ) )

       def _lowerCAmelCase(						self )  ->  Optional[int]:
        shutil.rmtree(self.tmpdirname )

       @require_tokenizers
       def _lowerCAmelCase(						self )  ->  List[Any]:
        lowercase__				:    Optional[int]  =					os.path.join(self.tmpdirname	,   '''rag_tokenizer''' )
        lowercase__				:    Any  =					RagConfig(question_encoder=DPRConfig().to_dict()	,   generator=BartConfig().to_dict() )
        lowercase__				:    str  =					RagTokenizer(question_encoder=self.get_dpr_tokenizer()	,   generator=self.get_bart_tokenizer() )
        rag_config.save_pretrained(__lowerCAmelCase )
        rag_tokenizer.save_pretrained(__lowerCAmelCase )
        lowercase__				:    str  =					RagTokenizer.from_pretrained(__lowerCAmelCase	,   config=__lowerCAmelCase )
        self.assertIsInstance(new_rag_tokenizer.question_encoder	,   __lowerCAmelCase )
        self.assertEqual(new_rag_tokenizer.question_encoder.get_vocab()	,   rag_tokenizer.question_encoder.get_vocab() )
        self.assertIsInstance(new_rag_tokenizer.generator	,   __lowerCAmelCase )
        self.assertEqual(new_rag_tokenizer.generator.get_vocab()	,   rag_tokenizer.generator.get_vocab() )

       @slow
       def _lowerCAmelCase(						self )  ->  str:
        lowercase__				:    Optional[Any]  =					RagTokenizer.from_pretrained('''facebook/rag-token-nq''' )
        lowercase__				:    Any  =					[
            '''who got the first nobel prize in physics''',
            '''when is the next deadpool movie being released''',
            '''which mode is used for short wave broadcast service''',
            '''who is the owner of reading football club''',
            '''when is the next scandal episode coming out''',
            '''when is the last time the philadelphia won the superbowl''',
            '''what is the most current adobe flash player version''',
            '''how many episodes are there in dragon ball z''',
            '''what is the first step in the evolution of the eye''',
            '''where is gall bladder situated in human body''',
            '''what is the main mineral in lithium batteries''',
            '''who is the president of usa right now''',
            '''where do the greasers live in the outsiders''',
            '''panda is a national animal of which country''',
            '''what is the name of manchester united stadium''',
        ]
        lowercase__				:    List[Any]  =					tokenizer(__lowerCAmelCase )
        self.assertIsNotNone(__lowerCAmelCase )


       @slow
       def _lowerCAmelCase(						self )  ->  int:
        lowercase__				:    Tuple  =					RagTokenizer.from_pretrained('''facebook/rag-sequence-nq''' )
        lowercase__				:    List[Any]  =					[
            '''who got the first nobel prize in physics''',
            '''when is the next deadpool movie being released''',
            '''which mode is used for short wave broadcast service''',
            '''who is the owner of reading football club''',
            '''when is the next scandal episode coming out''',
            '''when is the last time the philadelphia won the superbowl''',
            '''what is the most current adobe flash player version''',
            '''how many episodes are there in dragon ball z''',
            '''what is the first step in the evolution of the eye''',
            '''where is gall bladder situated in human body''',
            '''what is the main mineral in lithium batteries''',
            '''who is the president of usa right now''',
            '''where do the greasers live in the outsiders''',
            '''panda is a national animal of which country''',
            '''what is the name of manchester united stadium''',
        ]
        lowercase__				:    List[str]  =					tokenizer(__lowerCAmelCase )
        self.assertIsNotNone(__lowerCAmelCase )


'''simple docstring'''

def 			__UpperCamelCase       (   UpperCAmelCase     ):
 lowercase__				:    List[str]  =					0
 while num > 0:
  digit_sum += num % 10
  num //= 10
 return digit_sum
def 			__UpperCamelCase       (   UpperCAmelCase = 100     ):
 lowercase__				:    Dict  =					1
 lowercase__				:    Optional[int]  =					2

 for i in range(2		,     max_n + 1     ):
  lowercase__				:    List[str]  =					pre_numerator
  lowercase__				:    Optional[Any]  =					2 * i // 3 if i % 3 == 0 else 1
  lowercase__				:    Union[str, Any]  =					cur_numerator
  lowercase__				:    int  =					e_cont * pre_numerator + temp

 return sum_digits(UpperCAmelCase     )


if __name__ == "__main__":
  print(F'{solution() = }')

