




import argparse
import itertools
import operator
import sys
from collections import OrderedDict

from run_eval import datetime_now, run_generate

from utils import ROUGE_KEYS


# A table of supported tasks and the list of scores in the order of importance to be sorted by.
# To add a new task, simply list the score names that `run_eval.run_generate()` returns
UpperCamelCase__            =     {
    'translation': ['bleu'],
    'summarization': ROUGE_KEYS,
}







def       _a (		SCREAMING_SNAKE_CASE_				:							Optional[int]	):
					__lowerCAmelCase							  =			search.split()
					__lowerCAmelCase							  =			dict((g.split("="	) for g in groups)	)
					__lowerCAmelCase							  =			list(entries.keys()	)
					__lowerCAmelCase							  =			[[F"""--{k} {v}""" for v in vs.split(":"	)] for k, vs in entries.items()]
					__lowerCAmelCase							  =			[list(__lowercase	) for x in itertools.product(*__lowercase	)]
					return matrix, entry_names







def       _a (		):
					__lowerCAmelCase							  =			sys.argv[0]

					__lowerCAmelCase							  =			argparse.ArgumentParser(
					    usage=(
					        "\n\nImportant: this script accepts all arguments `run_eval.py` accepts and then a few extra, therefore"
					        " refer to `run_eval.py -h` for the complete list."
					    )	)
					parser.add_argument(
					    "--search" , type=__lowercase , required=__lowercase , help="param space to search, e.g. \"num_beams=5:10 length_penalty=0.8:1.0:1.2\"" , )
					parser.add_argument(
					    "--bs" , type=__lowercase , default=8 , required=__lowercase , help="initial batch size (may get reduced if it\'s too big)"	)
					parser.add_argument("--task" , type=__lowercase , help="used for task_specific_params + metrics"	)
					parser.add_argument(
					    "--info" , nargs="?" , type=__lowercase , const=datetime_now() , help=(
					        "add custom notes to be printed before the results table. If no value is passed, the current datetime"
					        " string will be used."
					    ) , )
					__lowerCAmelCase							  =			parser.parse_known_args()
					# we share some of the args
					args_main.extend(["--task", args.task]	)
					__lowerCAmelCase							  =			[prog] + args_main

					# to support variations like translation_en_to_de"
					__lowerCAmelCase							  =			'''translation''' if '''translation''' in args.task else '''summarization'''

					__lowerCAmelCase							  =			parse_search_arg(args.search	)
					__lowerCAmelCase							  =			task_score_names[task]  # score cols first
					__lowerCAmelCase							  =			{col: len(str(__lowercase	)	) for col in col_names}
					__lowerCAmelCase							  =			[]
					for r in matrix:
										__lowerCAmelCase							  =			dict((x.replace("--" , ""	).split() for x in r)	)
										__lowerCAmelCase							  =			''' '''.join(__lowercase	).split()
										args_exp.extend(["--bs", str(args.bs	)]	)  # in case we need to reduce its size due to CUDA OOM
										__lowerCAmelCase							  =			args_normal + args_exp

										# XXX: need to trap CUDA OOM and lower args.bs if that happens and retry

										__lowerCAmelCase							  =			run_generate(verbose=__lowercase	)
										# make sure scores are first in the table
										__lowerCAmelCase							  =			OrderedDict()
										for score in task_score_names[task]:
															__lowerCAmelCase							  =			scores[score]
										result.update(__lowercase	)
										results.append(__lowercase	)

										# find widest entries
										for k, v in result.items():
															__lowerCAmelCase							  =			len(str(__lowercase	)	)
															if l > col_widths[k]:
																				__lowerCAmelCase							  =			l

					__lowerCAmelCase							  =			sorted(__lowercase , key=operator.itemgetter(*task_score_names[task]	) , reverse=__lowercase	)
					print(" | ".join([F"""{col:{col_widths[col]}}""" for col in col_names]	)	)
					print(" | ".join([F"""{'-'*col_widths[col]}""" for col in col_names]	)	)
					for row in results_sorted:
										print(" | ".join([F"""{row[col]:{col_widths[col]}}""" for col in col_names]	)	)

					__lowerCAmelCase							  =			results_sorted[0]
					for score in task_score_names[task]:
										del best[score]
					__lowerCAmelCase							  =			[F"""--{k} {v}""" for k, v in best.items()]
					__lowerCAmelCase							  =			['''--bs''', str(args.bs	)]
					if args.info:
										print(F"""\nInfo: {args.info}"""	)
					print("\nBest score args:"	)
					print(" ".join(args_main + best_args + dyn_args	)	)

					return results_sorted


if __name__ == "__main__":
					# Usage:
					# [normal-run_eval_search.py cmd plus] \
					# --search="num_beams=1:5:10 length_penalty=0.8:1:1.2 early_stopping=true:false"
					#
					# Example:
					# PYTHONPATH="src:examples/seq2seq" python examples/seq2seq/run_eval_search.py $MODEL_NAME \
					# $DATA_DIR/val.source $SAVE_DIR/test_translations.txt --reference_path $DATA_DIR/val.target \
					# --score_path $SAVE_DIR/test_bleu.json --bs $BS --task translation \
					# --search="num_beams=1:5:10 length_penalty=0.8:1:1.2 early_stopping=true:false"
					run_search()








import json
import os
from functools import lru_cache
from typing import TYPE_CHECKING, List, Optional, Tuple

import regex as re

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...utils import logging


if TYPE_CHECKING:
       from transformers.pipelines.conversational import Conversation

__UpperCamelCase					:	Dict          =				logging.get_logger(__name__)

__UpperCamelCase					:	List[str]          =				{
    'vocab_file': 'vocab.json',
    'merges_file': 'merges.txt',
}

__UpperCamelCase					:	Optional[int]          =				{
    'vocab_file': {
        'gpt2': 'https://huggingface.co/gpt2/resolve/main/vocab.json',
        'gpt2-medium': 'https://huggingface.co/gpt2-medium/resolve/main/vocab.json',
        'gpt2-large': 'https://huggingface.co/gpt2-large/resolve/main/vocab.json',
        'gpt2-xl': 'https://huggingface.co/gpt2-xl/resolve/main/vocab.json',
        'distilgpt2': 'https://huggingface.co/distilgpt2/resolve/main/vocab.json',
    },
    'merges_file': {
        'gpt2': 'https://huggingface.co/gpt2/resolve/main/merges.txt',
        'gpt2-medium': 'https://huggingface.co/gpt2-medium/resolve/main/merges.txt',
        'gpt2-large': 'https://huggingface.co/gpt2-large/resolve/main/merges.txt',
        'gpt2-xl': 'https://huggingface.co/gpt2-xl/resolve/main/merges.txt',
        'distilgpt2': 'https://huggingface.co/distilgpt2/resolve/main/merges.txt',
    },
}

__UpperCamelCase					:	Any          =				{
    'gpt2': 1024,
    'gpt2-medium': 1024,
    'gpt2-large': 1024,
    'gpt2-xl': 1024,
    'distilgpt2': 1024,
}
@lru_cache()
def   snake_case_    (			):
   UpperCAmelCase_				:   Union[str, Any]							= (
       list(range(ord('''!'''							)      ,							ord('''~'''							) + 1							)							) + list(range(ord('''¡'''							)      ,							ord('''¬'''							) + 1							)							) + list(range(ord('''®'''							)      ,							ord('''ÿ'''							) + 1							)							)
   )
   UpperCAmelCase_				:   Optional[int]							= bs[:]
   UpperCAmelCase_				:   Union[str, Any]							= 0
   for b in range(2**8							):
      if b not in bs:
         bs.append(__lowercase							)
         cs.append(2**8 + n							)
         n += 1
   UpperCAmelCase_				:   Dict							= [chr(__lowercase							) for n in cs]
   return dict(zip(__lowercase      ,							__lowercase							)							)
def   snake_case_    (			__lowercase							):
   UpperCAmelCase_				:   List[str]							= set()
   UpperCAmelCase_				:   Optional[Any]							= word[0]
   for char in word[1:]:
      pairs.add((prev_char, char)							)
      UpperCAmelCase_				:   Union[str, Any]							= char
   return pairs





class 			lowerCAmelCase__(     snake_case__    ):






    '''simple docstring'''





    A_	:  Optional[int]								=			VOCAB_FILES_NAMES
    A_	:  Any								=			PRETRAINED_VOCAB_FILES_MAP
    A_	:  Dict								=			PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
    A_	:  List[str]								=			['input_ids', 'attention_mask']





    def __init__(						self					: Optional[int]							, __snake_case					: Dict							, __snake_case					: List[Any]							, __snake_case					: List[Any]="replace"							, __snake_case					: Any="<|endoftext|>"							, __snake_case					: Union[str, Any]="<|endoftext|>"							, __snake_case					: List[str]="<|endoftext|>"							, __snake_case					: Any=None							, __snake_case					: List[str]=False							, __snake_case					: Optional[int]=False							, **__snake_case					: str							, ):





       '''simple docstring'''
       UpperCAmelCase_				:   Optional[int]							= AddedToken(__snake_case							, lstrip=__snake_case							, rstrip=__snake_case						) if isinstance(__snake_case							, __snake_case						) else bos_token
       UpperCAmelCase_				:   List[Any]							= AddedToken(__snake_case							, lstrip=__snake_case							, rstrip=__snake_case						) if isinstance(__snake_case							, __snake_case						) else eos_token
       UpperCAmelCase_				:   Optional[int]							= AddedToken(__snake_case							, lstrip=__snake_case							, rstrip=__snake_case						) if isinstance(__snake_case							, __snake_case						) else unk_token
       UpperCAmelCase_				:   Tuple							= AddedToken(__snake_case							, lstrip=__snake_case							, rstrip=__snake_case						) if isinstance(__snake_case							, __snake_case						) else pad_token
       super().__init__(
           errors=__snake_case							, unk_token=__snake_case							, bos_token=__snake_case							, eos_token=__snake_case							, pad_token=__snake_case							, add_prefix_space=__snake_case							, add_bos_token=__snake_case							, **__snake_case							, )
       UpperCAmelCase_				:   List[str]							= add_bos_token

       with open(__snake_case							, encoding='''utf-8'''						) as vocab_handle:
          UpperCAmelCase_				:   Optional[int]							= json.load(__snake_case						)
       UpperCAmelCase_				:   int							= {v: k for k, v in self.encoder.items()}
       UpperCAmelCase_				:   Union[str, Any]							= errors  # how to handle errors in decoding
       UpperCAmelCase_				:   Optional[int]							= bytes_to_unicode()
       UpperCAmelCase_				:   str							= {v: k for k, v in self.byte_encoder.items()}
       with open(__snake_case							, encoding='''utf-8'''						) as merges_handle:
          UpperCAmelCase_				:   Any							= merges_handle.read().split('''\n'''						)[1:-1]
       UpperCAmelCase_				:   List[str]							= [tuple(merge.split()						) for merge in bpe_merges]
       UpperCAmelCase_				:   Optional[int]							= dict(zip(__snake_case							, range(len(__snake_case						)						)						)						)
       UpperCAmelCase_				:   Any							= {}
       UpperCAmelCase_				:   int							= add_prefix_space

       # Should have added re.IGNORECASE so BPE merges can happen for capitalized versions of contractions
       UpperCAmelCase_				:   int							= re.compile(R'''\'s|\'t|\'re|\'ve|\'m|\'ll|\'d| ?\p{L}+| ?\p{N}+| ?[^\s\p{L}\p{N}]+|\s+(?!\S)|\s+'''						)





    @property
    def        _lowerCamelCase			(						self					: int						):





       '''simple docstring'''
       return len(self.encoder						)





    def        _lowerCamelCase			(						self					: str						):





       '''simple docstring'''
       return dict(self.encoder							, **self.added_tokens_encoder						)





    def        _lowerCamelCase			(						self					: Optional[Any]							, __snake_case					: Optional[Any]						):





       '''simple docstring'''
       if token in self.cache:
          return self.cache[token]
       UpperCAmelCase_				:   Any							= tuple(__snake_case						)
       UpperCAmelCase_				:   Any							= get_pairs(__snake_case						)

       if not pairs:
          return token

       while True:
          UpperCAmelCase_				:   Any							= min(__snake_case							, key=lambda __snake_case						: self.bpe_ranks.get(__snake_case							, float('''inf'''						)						)						)
          if bigram not in self.bpe_ranks:
             break
          UpperCAmelCase_		,   UpperCAmelCase_				:   Dict							= bigram
          UpperCAmelCase_				:   List[Any]							= []
          UpperCAmelCase_				:   Union[str, Any]							= 0
          while i < len(__snake_case						):
             try:
                UpperCAmelCase_				:   Optional[int]							= word.index(__snake_case							, __snake_case						)
             except ValueError:
                new_word.extend(word[i:]						)
                break
             else:
                new_word.extend(word[i:j]						)
                UpperCAmelCase_				:   str							= j

             if word[i] == first and i < len(__snake_case						) - 1 and word[i + 1] == second:
                new_word.append(first + second						)
                i += 2
             else:
                new_word.append(word[i]						)
                i += 1
          UpperCAmelCase_				:   Any							= tuple(__snake_case						)
          UpperCAmelCase_				:   Tuple							= new_word
          if len(__snake_case						) == 1:
             break
          else:
             UpperCAmelCase_				:   str							= get_pairs(__snake_case						)
       UpperCAmelCase_				:   Union[str, Any]							= ''' '''.join(__snake_case						)
       UpperCAmelCase_				:   Optional[Any]							= word
       return word





    def        _lowerCamelCase			(						self					: List[Any]							, __snake_case					: Any							, __snake_case					: List[str]=None						):





       '''simple docstring'''
       if self.add_bos_token:
          UpperCAmelCase_				:   List[Any]							= [self.bos_token_id]
       else:
          UpperCAmelCase_				:   Dict							= []

       UpperCAmelCase_				:   Dict							= bos_token_ids + token_ids_a

       if token_ids_a is None:
          return output

       return output + bos_token_ids + token_ids_a





    def        _lowerCamelCase			(						self					: Optional[int]							, __snake_case					: List[int]							, __snake_case					: Optional[List[int]] = None							, __snake_case					: bool = False						):





       '''simple docstring'''
       if already_has_special_tokens:
          return super().get_special_tokens_mask(
              token_ids_a=__snake_case							, token_ids_a=__snake_case							, already_has_special_tokens=__snake_case						)

       if not self.add_bos_token:
          return super().get_special_tokens_mask(
              token_ids_a=__snake_case							, token_ids_a=__snake_case							, already_has_special_tokens=__snake_case						)

       if token_ids_a is None:
          return [1] + ([0] * len(__snake_case						))
       return [1] + ([0] * len(__snake_case						)) + [1] + ([0] * len(__snake_case						))





    def        _lowerCamelCase			(						self					: str							, __snake_case					: Union[str, Any]						):





       '''simple docstring'''
       UpperCAmelCase_				:   List[str]							= []
       for token in re.findall(self.pat							, __snake_case						):
          UpperCAmelCase_				:   Any							= ''''''.join(
              self.byte_encoder[b] for b in token.encode('''utf-8'''						)						)  # Maps all our bytes to unicode strings, avoiding control tokens of the BPE (spaces in our case)
          bpe_tokens.extend(bpe_token for bpe_token in self.bpe(__snake_case						).split(''' '''						)						)
       return bpe_tokens





    def        _lowerCamelCase			(						self					: Optional[Any]							, __snake_case					: Optional[int]						):





       '''simple docstring'''
       return self.encoder.get(__snake_case							, self.encoder.get(self.unk_token						)						)





    def        _lowerCamelCase			(						self					: int							, __snake_case					: str						):





       '''simple docstring'''
       return self.decoder.get(__snake_case						)





    def        _lowerCamelCase			(						self					: Union[str, Any]							, __snake_case					: List[str]						):





       '''simple docstring'''
       UpperCAmelCase_				:   List[Any]							= ''''''.join(__snake_case						)
       UpperCAmelCase_				:   str							= bytearray([self.byte_decoder[c] for c in text]						).decode('''utf-8'''							, errors=self.errors						)
       return text





    def        _lowerCamelCase			(						self					: str							, __snake_case					: str							, __snake_case					: Optional[str] = None						):





       '''simple docstring'''
       if not os.path.isdir(__snake_case						):
          logger.error(f'''Vocabulary path ({save_directory}) should be a directory'''						)
          return
       UpperCAmelCase_				:   List[str]							= os.path.join(
           __snake_case							, (filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''vocab_file''']						)
       UpperCAmelCase_				:   List[Any]							= os.path.join(
           __snake_case							, (filename_prefix + '''-''' if filename_prefix else '''''') + VOCAB_FILES_NAMES['''merges_file''']						)

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

       UpperCAmelCase_				:   Union[str, Any]							= 0
       with open(__snake_case							, '''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 __snake_case						: 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!'''						)
                UpperCAmelCase_				:   Dict							= token_index
             writer.write(''' '''.join(__snake_case						) + '''\n'''						)
             index += 1

       return vocab_file, merge_file





    def        _lowerCamelCase			(						self					: List[Any]							, __snake_case					: str							, __snake_case					: List[Any]=False							, **__snake_case					: Dict						):





       '''simple docstring'''
       UpperCAmelCase_				:   List[Any]							= kwargs.pop('''add_prefix_space'''							, self.add_prefix_space						)
       if is_split_into_words or add_prefix_space:
          UpperCAmelCase_				:   str							= ''' ''' + text
       return (text, kwargs)





    def        _lowerCamelCase			(						self					: Union[str, Any]							, __snake_case					: "Conversation"						):





       '''simple docstring'''
       UpperCAmelCase_				:   List[Any]							= []
       for is_user, text in conversation.iter_texts():
          input_ids.extend(self.encode(__snake_case							, add_special_tokens=__snake_case						) + [self.eos_token_id]						)
       if len(__snake_case						) > self.model_max_length:
          UpperCAmelCase_				:   str							= input_ids[-self.model_max_length :]
       return input_ids