



import itertools
import json
import linecache
import os
import pickle
import re
import socket
import string
from collections import Counter
from logging import getLogger
from pathlib import Path
from typing import Callable, Dict, Iterable, List

import git
import torch
from torch.utils.data import Dataset

from transformers import BartTokenizer, RagTokenizer, TaTokenizer

def      __lowercase(						UpperCAmelCase__ , UpperCAmelCase__ , UpperCAmelCase__ , UpperCAmelCase__ , UpperCAmelCase__=True , UpperCAmelCase__="pt"			):


      """simple docstring"""



      lowerCamelCase             =		{"add_prefix_space": True} if isinstance(UpperCAmelCase__ , UpperCAmelCase__			) and not line.startswith(" "			) else {}
      lowerCamelCase             =		padding_side
      return tokenizer(
          [line] , max_length=UpperCAmelCase__ , padding="max_length" if pad_to_max_length else None , truncation=UpperCAmelCase__ , return_tensors=UpperCAmelCase__ , add_special_tokens=UpperCAmelCase__ , **UpperCAmelCase__ , )

def      __lowercase(						UpperCAmelCase__ , UpperCAmelCase__ , UpperCAmelCase__=None , ):


      """simple docstring"""



      lowerCamelCase             =		input_ids.ne(UpperCAmelCase__			).any(dim=0			)
      if attention_mask is None:
            return input_ids[:, keep_column_mask]
      else:
            return (input_ids[:, keep_column_mask], attention_mask[:, keep_column_mask])





class  lowerCamelCase__	(    UpperCAmelCase_):
     """simple docstring"""



     def __init__(self					,      __a					,      __a					,      __a					,      __a					,      __a="train"					,      __a=None					,      __a=None					,      __a=None					,      __a=""					,      ):






           '''simple docstring'''



           super().__init__()
           lowerCamelCase             =		Path(__a     ).joinpath(type_path + ".source"     )
           lowerCamelCase             =		Path(__a     ).joinpath(type_path + ".target"     )
           lowerCamelCase             =		self.get_char_lens(self.src_file     )
           lowerCamelCase             =		max_source_length
           lowerCamelCase             =		max_target_length
           assert min(self.src_lens     ) > 0, F"""found empty line in {self.src_file}"""
           lowerCamelCase             =		tokenizer
           lowerCamelCase             =		prefix
           if n_obs is not None:
                 lowerCamelCase             =		self.src_lens[:n_obs]
           lowerCamelCase             =		src_lang
           lowerCamelCase             =		tgt_lang







     def __len__(self     ):






           '''simple docstring'''



           return len(self.src_lens     )







     def __getitem__(self					,      __a     ):






           '''simple docstring'''



           lowerCamelCase             =		index + 1  # linecache starts at 1
           lowerCamelCase             =		self.prefix + linecache.getline(str(self.src_file     )					,      __a     ).rstrip("\n"     )
           lowerCamelCase             =		linecache.getline(str(self.tgt_file     )					,      __a     ).rstrip("\n"     )
           assert source_line, F"""empty source line for index {index}"""
           assert tgt_line, F"""empty tgt line for index {index}"""

           # Need to add eos token manually for T5
           if isinstance(self.tokenizer					,      __a     ):
                 source_line += self.tokenizer.eos_token
                 tgt_line += self.tokenizer.eos_token

           # Pad source and target to the right
           lowerCamelCase             =		(
               self.tokenizer.question_encoder if isinstance(self.tokenizer					,      __a     ) else self.tokenizer
           )
           lowerCamelCase             =		self.tokenizer.generator if isinstance(self.tokenizer					,      __a     ) else self.tokenizer

           lowerCamelCase             =		encode_line(__a					,      __a					,      self.max_source_length					,      "right"     )
           lowerCamelCase             =		encode_line(__a					,      __a					,      self.max_target_length					,      "right"     )

           lowerCamelCase             =		source_inputs["input_ids"].squeeze()
           lowerCamelCase             =		target_inputs["input_ids"].squeeze()
           lowerCamelCase             =		source_inputs["attention_mask"].squeeze()
           return {
               "input_ids": source_ids,
               "attention_mask": src_mask,
               "decoder_input_ids": target_ids,
           }







     @staticmethod
     def     _a   (__a     ):






           '''simple docstring'''



           return [len(__a     ) for x in Path(__a     ).open().readlines()]







     def     _a   (self					,      __a     ):






           '''simple docstring'''



           lowerCamelCase             =		torch.stack([x["input_ids"] for x in batch]     )
           lowerCamelCase             =		torch.stack([x["attention_mask"] for x in batch]     )
           lowerCamelCase             =		torch.stack([x["decoder_input_ids"] for x in batch]     )
           lowerCamelCase             =		(
               self.tokenizer.generator.pad_token_id
               if isinstance(self.tokenizer					,      __a     )
               else self.tokenizer.pad_token_id
           )
           lowerCamelCase             =		(
               self.tokenizer.question_encoder.pad_token_id
               if isinstance(self.tokenizer					,      __a     )
               else self.tokenizer.pad_token_id
           )
           lowerCamelCase             =		trim_batch(__a					,      __a     )
           lowerCamelCase      ,				lowerCamelCase             =		trim_batch(__a					,      __a					,      attention_mask=__a     )
           lowerCamelCase             =		{
               "input_ids": source_ids,
               "attention_mask": source_mask,
               "decoder_input_ids": y,
           }
           return batch



a_    :  str						  =		getLogger(__name__)

def      __lowercase(						UpperCAmelCase__			):


      """simple docstring"""



      return list(itertools.chain.from_iterable(UpperCAmelCase__			)			)

def      __lowercase(						UpperCAmelCase__			):


      """simple docstring"""



      lowerCamelCase             =		get_git_info()
      save_json(UpperCAmelCase__ , os.path.join(UpperCAmelCase__ , "git_log.json"			)			)

def      __lowercase(						UpperCAmelCase__ , UpperCAmelCase__ , UpperCAmelCase__=4 , **UpperCAmelCase__			):


      """simple docstring"""



      with open(UpperCAmelCase__ , "w"			) as f:
            json.dump(UpperCAmelCase__ , UpperCAmelCase__ , indent=UpperCAmelCase__ , **UpperCAmelCase__			)

def      __lowercase(						UpperCAmelCase__			):


      """simple docstring"""



      with open(UpperCAmelCase__			) as f:
            return json.load(UpperCAmelCase__			)

def      __lowercase(						):


      """simple docstring"""



      lowerCamelCase             =		git.Repo(search_parent_directories=UpperCAmelCase__			)
      lowerCamelCase             =		{
          "repo_id": str(UpperCAmelCase__			),
          "repo_sha": str(repo.head.object.hexsha			),
          "repo_branch": str(repo.active_branch			),
          "hostname": str(socket.gethostname()			),
      }
      return repo_infos

def      __lowercase(						UpperCAmelCase__ , UpperCAmelCase__			):


      """simple docstring"""



      return list(map(UpperCAmelCase__ , UpperCAmelCase__			)			)

def      __lowercase(						UpperCAmelCase__ , UpperCAmelCase__			):


      """simple docstring"""



      with open(UpperCAmelCase__ , "wb"			) as f:
            return pickle.dump(UpperCAmelCase__ , UpperCAmelCase__			)

def      __lowercase(						UpperCAmelCase__			):


      """simple docstring"""



      def remove_articles(UpperCAmelCase__			):
            return re.sub(r"\b(a|an|the)\b" , " " , UpperCAmelCase__			)

      def white_space_fix(UpperCAmelCase__			):
            return " ".join(text.split()			)

      def remove_punc(UpperCAmelCase__			):
            lowerCamelCase             =		set(string.punctuation			)
            return "".join(ch for ch in text if ch not in exclude			)

      def lower(UpperCAmelCase__			):
            return text.lower()

      return white_space_fix(remove_articles(remove_punc(lower(UpperCAmelCase__			)			)			)			)

def      __lowercase(						UpperCAmelCase__ , UpperCAmelCase__			):


      """simple docstring"""



      lowerCamelCase             =		normalize_answer(UpperCAmelCase__			).split()
      lowerCamelCase             =		normalize_answer(UpperCAmelCase__			).split()
      lowerCamelCase             =		Counter(UpperCAmelCase__			) & Counter(UpperCAmelCase__			)
      lowerCamelCase             =		sum(common.values()			)
      if num_same == 0:
            return 0
      lowerCamelCase             =		1.0 * num_same / len(UpperCAmelCase__			)
      lowerCamelCase             =		1.0 * num_same / len(UpperCAmelCase__			)
      lowerCamelCase             =		(2 * precision * recall) / (precision + recall)
      return fa

def      __lowercase(						UpperCAmelCase__ , UpperCAmelCase__			):


      """simple docstring"""



      return normalize_answer(UpperCAmelCase__			) == normalize_answer(UpperCAmelCase__			)

def      __lowercase(						UpperCAmelCase__ , UpperCAmelCase__			):


      """simple docstring"""



      assert len(UpperCAmelCase__			) == len(UpperCAmelCase__			)
      lowerCamelCase             =		0
      for hypo, pred in zip(UpperCAmelCase__ , UpperCAmelCase__			):
            em += exact_match_score(UpperCAmelCase__ , UpperCAmelCase__			)
      if len(UpperCAmelCase__			) > 0:
            em /= len(UpperCAmelCase__			)
      return {"em": em}

def      __lowercase(						UpperCAmelCase__			):


      """simple docstring"""



      return model_prefix.startswith("rag"			)






def      __lowercase(						UpperCAmelCase__ , UpperCAmelCase__ , UpperCAmelCase__			):


      """simple docstring"""



      lowerCamelCase             =		{p: p for p in extra_params}
      # T5 models don't have `dropout` param, they have `dropout_rate` instead
      lowerCamelCase             =		"dropout_rate"
      for p in extra_params:
            if getattr(UpperCAmelCase__ , UpperCAmelCase__ , UpperCAmelCase__			):
                  if not hasattr(UpperCAmelCase__ , UpperCAmelCase__			) and not hasattr(UpperCAmelCase__ , equivalent_param[p]			):
                        logger.info("config doesn't have a `{}` attribute".format(UpperCAmelCase__			)			)
                        delattr(UpperCAmelCase__ , UpperCAmelCase__			)
                        continue
                  lowerCamelCase             =		p if hasattr(UpperCAmelCase__ , UpperCAmelCase__			) else equivalent_param[p]
                  setattr(UpperCAmelCase__ , UpperCAmelCase__ , getattr(UpperCAmelCase__ , UpperCAmelCase__			)			)
                  delattr(UpperCAmelCase__ , UpperCAmelCase__			)
      return hparams, config




from ..utils import DummyObject, requires_backends





class  lowerCamelCase__	(    metaclass=UpperCAmelCase_):
     """simple docstring"""



     _A      =      ['transformers', 'torch', 'note_seq']







     def __init__(self					,      *__a					,      **__a     ):






           '''simple docstring'''



           requires_backends(self					,      ["transformers", "torch", "note_seq"]     )







     @classmethod
     def     _a   (cls					,      *__a					,      **__a     ):






           '''simple docstring'''



           requires_backends(cls					,      ["transformers", "torch", "note_seq"]     )







     @classmethod
     def     _a   (cls					,      *__a					,      **__a     ):






           '''simple docstring'''



           requires_backends(cls					,      ["transformers", "torch", "note_seq"]     )