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 							__UpperCAmelCase     (							UpperCAmelCase,		UpperCAmelCase,		UpperCAmelCase,		UpperCAmelCase,		UpperCAmelCase=True,		UpperCAmelCase="pt"							)->							int:



			"""simple docstring"""







			lowercase       		=		{'''add_prefix_space''': True} if isinstance(UpperCamelCase_,		UpperCamelCase_							) and not line.startswith(''' '''							) else {}
			lowercase       		=		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 							__UpperCAmelCase     (							UpperCAmelCase,		UpperCAmelCase,		UpperCAmelCase=None,		)->							Any:



			"""simple docstring"""







			lowercase       		=		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   __lowercase       (     _snake_case     ):

						def __init__(						self					:   Any				,				__lowerCamelCase					:   Optional[Any]				,				__lowerCamelCase					:   List[str]				,				__lowerCamelCase					:   List[str]				,				__lowerCamelCase					:   str				,				__lowerCamelCase					:   str="train"				,				__lowerCamelCase					:   Tuple=None				,				__lowerCamelCase					:   Optional[Any]=None				,				__lowerCamelCase					:   Tuple=None				,				__lowerCamelCase					:   List[Any]=""				,				)				->		str:


									'''simple docstring'''

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

						def __len__(						self					:   Any )				->		Optional[int]:


									'''simple docstring'''

									return len(self.src_lens )

						def __getitem__(						self					:   Dict				,				__lowerCamelCase					:   List[str] )				->		Optional[Any]:


									'''simple docstring'''

									lowercase       		=		index + 1  # linecache starts at 1
									lowercase       		=		self.prefix + linecache.getline(str(self.src_file )				,				__lowerCamelCase ).rstrip('''\n''' )
									lowercase       		=		linecache.getline(str(self.tgt_file )				,				__lowerCamelCase ).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				,				__lowerCamelCase ):
												source_line += self.tokenizer.eos_token
												tgt_line += self.tokenizer.eos_token

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

									lowercase       		=		encode_line(__lowerCamelCase				,				__lowerCamelCase				,				self.max_source_length				,				'''right''' )
									lowercase       		=		encode_line(__lowerCamelCase				,				__lowerCamelCase				,				self.max_target_length				,				'''right''' )

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

						@staticmethod
						def 							__a		(						__lowerCamelCase					:   Any )				->		Any:


									'''simple docstring'''

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



						def 							__a		(						self					:   List[str]				,				__lowerCamelCase					:   Optional[Any] )				->		int:


									'''simple docstring'''

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





A_	     =   getLogger(__name__)






def 							__UpperCAmelCase     (							UpperCAmelCase							)->							List[str]:



			"""simple docstring"""







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






def 							__UpperCAmelCase     (							UpperCAmelCase							)->							str:



			"""simple docstring"""







			lowercase       		=		get_git_info()
			save_json(UpperCamelCase_,		os.path.join(UpperCamelCase_,		'''git_log.json'''							)							)






def 							__UpperCAmelCase     (							UpperCAmelCase,		UpperCAmelCase,		UpperCAmelCase=4,		**UpperCAmelCase							)->							int:



			"""simple docstring"""







			with open(UpperCamelCase_,		'''w'''							) as f:
						json.dump(UpperCamelCase_,		UpperCamelCase_,		indent=UpperCamelCase_,		**UpperCamelCase_							)






def 							__UpperCAmelCase     (							UpperCAmelCase							)->							int:



			"""simple docstring"""







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






def 							__UpperCAmelCase     (							)->							List[str]:



			"""simple docstring"""







			lowercase       		=		git.Repo(search_parent_directories=UpperCamelCase_							)
			lowercase       		=		{
			    '''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 							__UpperCAmelCase     (							UpperCAmelCase,		UpperCAmelCase							)->							Optional[int]:



			"""simple docstring"""







			return list(map(UpperCamelCase_,		UpperCamelCase_							)							)






def 							__UpperCAmelCase     (							UpperCAmelCase,		UpperCAmelCase							)->							Optional[int]:



			"""simple docstring"""







			with open(UpperCamelCase_,		'''wb'''							) as f:
						return pickle.dump(UpperCamelCase_,		UpperCamelCase_							)






def 							__UpperCAmelCase     (							UpperCAmelCase							)->							Tuple:



			"""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							):
						lowercase       		=		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 							__UpperCAmelCase     (							UpperCAmelCase,		UpperCAmelCase							)->							int:



			"""simple docstring"""







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






def 							__UpperCAmelCase     (							UpperCAmelCase,		UpperCAmelCase							)->							Optional[int]:



			"""simple docstring"""







			return normalize_answer(UpperCamelCase_							) == normalize_answer(UpperCamelCase_							)






def 							__UpperCAmelCase     (							UpperCAmelCase,		UpperCAmelCase							)->							Union[str, Any]:



			"""simple docstring"""







			assert len(UpperCamelCase_							) == len(UpperCamelCase_							)
			lowercase       		=		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 							__UpperCAmelCase     (							UpperCAmelCase							)->							str:



			"""simple docstring"""







			return model_prefix.startswith('''rag'''							)






def 							__UpperCAmelCase     (							UpperCAmelCase,		UpperCAmelCase,		UpperCAmelCase							)->							Union[str, Any]:



			"""simple docstring"""







			lowercase       		=		{p: p for p in extra_params}
			# T5 models don't have `dropout` param, they have `dropout_rate` instead
			lowercase       		=		'''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
									lowercase       		=		p if hasattr(UpperCamelCase_,		UpperCamelCase_							) else equivalent_param[p]
									setattr(UpperCamelCase_,		UpperCamelCase_,		getattr(UpperCamelCase_,		UpperCamelCase_							)							)
									delattr(UpperCamelCase_,		UpperCamelCase_							)
			return hparams, config









'''simple docstring'''





from ..utils import DummyObject, requires_backends




class 				UpperCAmelCase			(			metaclass=_snake_case						):
 UpperCAmelCase				=					["note_seq"]


 def __init__(      self							:	List[str]			,       *__lowerCamelCase							:	int			,       **__lowerCamelCase							:	Optional[int] ):
    requires_backends(self			,       ['''note_seq'''] )


 @classmethod
 def        __SCREAMING_SNAKE_CASE					(      cls							:	Optional[Any]			,       *__lowerCamelCase							:	Dict			,       **__lowerCamelCase							:	Optional[Any] ):
    requires_backends(cls			,       ['''note_seq'''] )





 @classmethod
 def        __SCREAMING_SNAKE_CASE					(      cls							:	str			,       *__lowerCamelCase							:	Any			,       **__lowerCamelCase							:	Optional[Any] ):
    requires_backends(cls			,       ['''note_seq'''] )



