
'''simple docstring'''





from __future__ import annotations

from enum import Enum, unique
from typing import TypeVar

# Create a generic variable that can be 'Enum', or any subclass.
A           =   TypeVar("T", bound="Enum")



@unique
class  lowerCAmelCase__   (       UpperCamelCase       ):



  '''simple docstring'''






  _UpperCamelCase						= 80
  _UpperCamelCase						= 70
  _UpperCamelCase						= 60
  _UpperCamelCase						= 50
  _UpperCamelCase						= 40
  _UpperCamelCase						= 30
  _UpperCamelCase						= 20
  _UpperCamelCase						= 10



@unique
class  lowerCAmelCase__   (       UpperCamelCase       ):



  '''simple docstring'''






  _UpperCamelCase						= 24
  _UpperCamelCase						= 21
  _UpperCamelCase						= 18
  _UpperCamelCase						= 15
  _UpperCamelCase						= 12
  _UpperCamelCase						= 9
  _UpperCamelCase						= 6
  _UpperCamelCase						= 3
  _UpperCamelCase						= 2
  _UpperCamelCase						= 1
  _UpperCamelCase						= -1
  _UpperCamelCase						= -2
  _UpperCamelCase						= -3
  _UpperCamelCase						= -6
  _UpperCamelCase						= -9
  _UpperCamelCase						= -12
  _UpperCamelCase						= -15
  _UpperCamelCase						= -18
  _UpperCamelCase						= -21
  _UpperCamelCase						= -24

  @classmethod
  def 		_lowerCamelCase	(cls  : type[T]    )   ->       dict:
        return {unit.name: unit.value for unit in cls if unit.value > 0}


  @classmethod
  def 		_lowerCamelCase	(cls  : type[T]    )   ->       dict:
        return {unit.name: unit.value for unit in cls if unit.value < 0}

def   snake_case_       (							_a     :							float			):
      snake_case_						       =							SIUnit.get_positive() if value > 0 else SIUnit.get_negative()
      for name_prefix, value_prefix in prefixes.items():
            snake_case_						       =							value / (10**value_prefix)
            if numerical_part > 1:
                  return F'''{numerical_part!s} {name_prefix}'''
      return str(_a			)
def   snake_case_       (							_a     :							float			):
      for prefix in BinaryUnit:
            snake_case_						       =							value / (2**prefix.value)
            if numerical_part > 1:
                  return F'''{numerical_part!s} {prefix.name}'''
      return str(_a			)


if __name__ == "__main__":
     import doctest

     doctest.testmod()



'''simple docstring'''





import jax
import jax.numpy as jnp
from bigbird_flax import FlaxBigBirdForNaturalQuestions
from datasets import load_from_disk

from transformers import BigBirdTokenizerFast


A           =   {0: "null", 1: "short", 2: "long", 3: "yes", 4: "no"}
A           =   set("".join(["‘", "’", "´", "`", ".", ",", "-", "\""]))
def   snake_case_       (							_a     :							Any ,					_a     :							Union[str, Any]=0 ,					_a     :							Optional[int]=None			):
      return [" ".join(x.split(" "			)[begin:end]			) for x in answers if len(x.split(" "			)			) > 1]
def   snake_case_       (							_a     :							Optional[int] ,					_a     :							str=False			):
      if make_sub_answers:
            # if answers are longer than one word, make sure a predictions is correct if it coresponds to the complete 1: or :-1 sub word
            # *e.g.* if the correct answer contains a prefix such as "the", or "a"
            snake_case_						       =							(
                given_answers + get_sub_answers(_a ,					begin=1			) + get_sub_answers(_a ,					end=-1			)
            )
      snake_case_						       =							[]
      for answer in given_answers:
            snake_case_						       =							answer.replace("_" ,					" "			).lower()
            snake_case_						       =							"".join(c if c not in PUNCTUATION_SET_TO_EXCLUDE else " " for c in alias			)
            answers.append(" ".join(alias.split()			).strip()			)
      return set(_a			)
def   snake_case_       (							_a     :							Optional[Any] ,					_a     :							int ,					_a     :							Optional[Any]=1 ,					_a     :							List[Any]=100			):
      snake_case_       ,	snake_case_						       =							jax.lax.top_k(_a ,					_a			)
      snake_case_       ,	snake_case_						       =							jax.lax.top_k(_a ,					_a			)

      snake_case_						       =							best_end_idx[:, None] - best_start_idx[None, :]
      snake_case_						       =							jnp.logical_or(widths < 0 ,					widths > max_size			)
      snake_case_						       =							(best_end_scores[:, None] + best_start_scores[None, :]) - (1E8 * mask)
      snake_case_						       =							jnp.argmax(_a			).item()

      return best_start_idx[best_score % top_k], best_end_idx[best_score // top_k]
def   snake_case_       (							_a     :							Any			):
      snake_case_						       =							sample["question"]["text"]
      snake_case_						       =							sample["document"]["tokens"]["token"]
      snake_case_						       =							sample["document"]["tokens"]["is_html"]
      snake_case_						       =							sample["annotations"]["long_answer"]
      snake_case_						       =							sample["annotations"]["short_answers"]

      snake_case_						       =							" ".join([context[i] for i in range(len(_a			)			) if not is_html[i]]			)

      # 0 - No ; 1 - Yes
      for answer in sample["annotations"]["yes_no_answer"]:
            if answer == 0 or answer == 1:
                  return {
                      "question": question,
                      "context": context_string,
                      "short": [],
                      "long": [],
                      "category": "no" if answer == 0 else "yes",
                  }

      snake_case_						       =							[]
      for s in short_answers:
            short_targets.extend(s["text"]			)
      snake_case_						       =							list(set(_a			)			)

      snake_case_						       =							[]
      for s in long_answers:
            if s["start_token"] == -1:
                  continue
            snake_case_						       =							context[s["start_token"] : s["end_token"]]
            snake_case_						       =							is_html[s["start_token"] : s["end_token"]]
            snake_case_						       =							" ".join([answer[i] for i in range(len(_a			)			) if not html[i]]			)
            if new_answer not in long_targets:
                  long_targets.append(_a			)

      snake_case_						       =							"long_short" if len(short_targets + long_targets			) > 0 else "null"

      return {
          "question": question,
          "context": context_string,
          "short": short_targets,
          "long": long_targets,
          "category": category,
      }
def   snake_case_       (							):
      snake_case_						       =							load_from_disk("natural-questions-validation"			)
      snake_case_						       =							dataset.map(_a			).remove_columns(["annotations", "document", "id"]			)
      print(_a			)

      snake_case_						       =							dataset.filter(lambda _a			: (len(x["question"]			) + len(x["context"]			)) < 4 * 4_096			)
      snake_case_						       =							short_validation_dataset.filter(lambda _a			: x["category"] != "null"			)
      short_validation_dataset

      snake_case_						       =							"vasudevgupta/flax-bigbird-natural-questions"
      snake_case_						       =							FlaxBigBirdForNaturalQuestions.from_pretrained(_a			)
      snake_case_						       =							BigBirdTokenizerFast.from_pretrained(_a			)

      @jax.jit
      def forward(*_a     :							List[Any] ,					**_a     :							int			):
            snake_case_       ,	snake_case_       ,	snake_case_						       =							model(*_a ,					**_a			)
            return start_logits, end_logits, jnp.argmax(_a ,					axis=-1			)

      def evaluate(_a     :							List[Any]			):
            # encode question and context so that they are separated by a tokenizer.sep_token and cut at max_length
            snake_case_						       =							tokenizer(
                example["question"] ,					example["context"] ,					return_tensors="np" ,					max_length=4_096 ,					padding="max_length" ,					truncation=_a ,					)

            snake_case_       ,	snake_case_       ,	snake_case_						       =							forward(**_a			)

            snake_case_						       =							CATEGORY_MAPPING[category.item()]

            snake_case_						       =							example["long"] + example["short"]
            if example["category"] in ["yes", "no", "null"]:
                  snake_case_						       =							[example["category"]]
            snake_case_						       =							example["category"] != "null"
            # Now target can be: "yes", "no", "null", "list of long & short answers"

            if predicted_category in ["yes", "no", "null"]:
                  snake_case_						       =							[predicted_category]
                  snake_case_						       =							example["output"] == example["targets"]
                  snake_case_						       =							predicted_category != "null"
                  return example

            snake_case_						       =							38 if predicted_category == "short" else 1_024
            snake_case_       ,	snake_case_						       =							get_best_valid_start_end_idx(
                start_scores[0] ,					end_scores[0] ,					top_k=8 ,					max_size=_a			)

            snake_case_						       =							inputs["input_ids"][0].tolist()
            snake_case_						       =							[tokenizer.decode(input_ids[start_score : end_score + 1]			)]

            snake_case_						       =							expand_to_aliases(example["targets"] ,					make_sub_answers=_a			)
            snake_case_						       =							expand_to_aliases(example["output"]			)

            # some preprocessing to both prediction and answer
            snake_case_						       =							{"".join(a.split()			) for a in answers}
            snake_case_						       =							{"".join(p.split()			) for p in predictions}
            snake_case_						       =							{s for s in predictions if s not in ["``", "''", "`", "'"]}

            # if there is a common element, it's a exact match
            snake_case_						       =							len(list(answers & predictions			)			) > 0
            snake_case_						       =							predicted_category != "null" and len(_a			) > 0

            return example

      snake_case_						       =							short_validation_dataset.map(_a			)

      snake_case_						       =							len(_a			)
      snake_case_						       =							len(short_validation_dataset.filter(lambda _a			: x["match"] == 1			)			)
      print("EM score:" ,					(matched / total) * 100 ,					"%"			)


if __name__ == "__main__":
     main()

