
"""simple docstring"""




import torch
from transformers import AutoModelForSequenceClassification, AutoTokenizer, Trainer, TrainingArguments

import datasets


UpperCAmelCase__				:   Any   							=			'\\n@article{eddine2021frugalscore,\n  title={FrugalScore: Learning Cheaper, Lighter and Faster Evaluation Metrics for Automatic Text Generation},\n  author={Eddine, Moussa Kamal and Shang, Guokan and Tixier, Antoine J-P and Vazirgiannis, Michalis},\n  journal={arXiv preprint arXiv:2110.08559},\n  year={2021}\n}\n'

UpperCAmelCase__				:   List[Any]   							=			'\\nFrugalScore is a reference-based metric for NLG models evaluation. It is based on a distillation approach that allows to learn a fixed, low cost version of any expensive NLG metric, while retaining most of its original performance.\n'


UpperCAmelCase__				:   List[Any]   							=			'\nCalculates how good are predictions given some references, using certain scores.\nArgs:\n    predictions (list of str): list of predictions to score. Each predictions\n        should be a string.\n    references (list of str): list of reference for each prediction. Each\n        reference should be a string.\n    batch_size (int): the batch size for predictions.\n    max_length (int): maximum sequence length.\n    device (str): either gpu or cpu\nReturns:\n    scores (list of int): list of scores.\nExamples:\n    >>> frugalscore = datasets.load_metric("frugalscore")\n    >>> results = frugalscore.compute(predictions=[\'hello there\', \'huggingface\'], references=[\'hello world\', \'hugging face\'])\n    >>> print([round(s, 3) for s in results["scores"]])\n    [0.631, 0.645]\n'



@datasets.utils.file_utils.add_start_docstrings(_DESCRIPTION			, _KWARGS_DESCRIPTION  )
class      lowerCAmelCase_						(datasets.Metric  ):


				"""simple docstring"""



				def      __magic_name__   (self   ) ->		str:



											"""simple docstring"""




											return datasets.MetricInfo(
											    description=_DESCRIPTION       ,	citation=_CITATION       ,	inputs_description=_KWARGS_DESCRIPTION       ,	features=datasets.Features(
											        {
											            """predictions""": datasets.Value("""string"""   ),
											            """references""": datasets.Value("""string"""   ),
											        }   )       ,	homepage="""https://github.com/moussaKam/FrugalScore"""       ,	)



				def      __magic_name__   (self       ,	SCREAMING_SNAKE_CASE__   ) ->		str:



											"""simple docstring"""




											if self.config_name == "default":
																		SCREAMING_SNAKE_CASE__						:	Optional[int]									=       """moussaKam/frugalscore_tiny_bert-base_bert-score"""
											else:
																		SCREAMING_SNAKE_CASE__						:	List[Any]									=       self.config_name
											SCREAMING_SNAKE_CASE__						:	Any									=       AutoModelForSequenceClassification.from_pretrained(SCREAMING_SNAKE_CASE__   )
											SCREAMING_SNAKE_CASE__						:	Union[str, Any]									=       AutoTokenizer.from_pretrained(SCREAMING_SNAKE_CASE__   )



				def      __magic_name__   (self       ,	SCREAMING_SNAKE_CASE__       ,	SCREAMING_SNAKE_CASE__       ,	SCREAMING_SNAKE_CASE__=32       ,	SCREAMING_SNAKE_CASE__=1_28       ,	SCREAMING_SNAKE_CASE__=None       ,	) ->		List[Any]:



											"""simple docstring"""




											assert len(SCREAMING_SNAKE_CASE__   ) == len(
											    SCREAMING_SNAKE_CASE__   ), "predictions and references should have the same number of sentences."
											if device is not None:
																		assert device in ["gpu", "cpu"], "device should be either gpu or cpu."
											else:
																		SCREAMING_SNAKE_CASE__						:	List[Any]									=       """gpu""" if torch.cuda.is_available() else """cpu"""
											SCREAMING_SNAKE_CASE__						:	List[str]									=       TrainingArguments(
											    """trainer"""       ,	fpaa=(device == """gpu""")       ,	per_device_eval_batch_size=SCREAMING_SNAKE_CASE__       ,	report_to="""all"""       ,	no_cuda=(device == """cpu""")       ,	log_level="""warning"""       ,	)
											SCREAMING_SNAKE_CASE__						:	Optional[int]									=       {"""sentence1""": predictions, """sentence2""": references}
											SCREAMING_SNAKE_CASE__						:	Union[str, Any]									=       datasets.Dataset.from_dict(SCREAMING_SNAKE_CASE__   )

											def tokenize_function(SCREAMING_SNAKE_CASE__   ):
																		return self.tokenizer(
																		    data["""sentence1"""]       ,	data["""sentence2"""]       ,	max_length=SCREAMING_SNAKE_CASE__       ,	truncation=SCREAMING_SNAKE_CASE__       ,	padding=SCREAMING_SNAKE_CASE__   )

											SCREAMING_SNAKE_CASE__						:	Optional[int]									=       raw_datasets.map(SCREAMING_SNAKE_CASE__       ,	batched=SCREAMING_SNAKE_CASE__   )
											tokenized_datasets.remove_columns(["""sentence1""", """sentence2"""]   )
											SCREAMING_SNAKE_CASE__						:	Any									=       Trainer(self.model       ,	SCREAMING_SNAKE_CASE__       ,	tokenizer=self.tokenizer   )
											SCREAMING_SNAKE_CASE__						:	List[str]									=       trainer.predict(SCREAMING_SNAKE_CASE__   )
											return {"scores": list(predictions.predictions.squeeze(-1   )   )}






"""simple docstring"""




import sys
from dataclasses import dataclass
from typing import TYPE_CHECKING, Dict, List, Optional, Tuple, Union

import pandas as pd
import pyarrow as pa

import datasets
import datasets.config
from datasets.features.features import require_storage_cast
from datasets.table import table_cast


if TYPE_CHECKING:
					import sqlitea

					import sqlalchemy


UpperCAmelCase__				:   Union[str, Any]   							=			datasets.utils.logging.get_logger(__name__)



@dataclass
class      lowerCAmelCase_						(datasets.BuilderConfig  ):


				"""simple docstring"""



				__UpperCamelCase				:						Union[str, "sqlalchemy.sql.Selectable"] 	=       None
				__UpperCamelCase				:						Union[str, "sqlalchemy.engine.Connection", "sqlalchemy.engine.Engine", "sqlite3.Connection"] 	=       None
				__UpperCamelCase				:						Optional[Union[str, List[str]]] 	=       None
				__UpperCamelCase				:						bool 	=       True
				__UpperCamelCase				:						Optional[Union[List, Tuple, Dict]] 	=       None
				__UpperCamelCase				:						Optional[Union[List, Dict]] 	=       None
				__UpperCamelCase				:						Optional[List[str]] 	=       None
				__UpperCamelCase				:						Optional[int] 	=       10000
				__UpperCamelCase				:						Optional[datasets.Features] 	=       None



				def      __magic_name__   (self   ) ->		Dict:



											"""simple docstring"""




											if self.sql is None:
																		raise ValueError("""sql must be specified"""   )
											if self.con is None:
																		raise ValueError("""con must be specified"""   )



				def      __magic_name__   (self       ,	SCREAMING_SNAKE_CASE__       ,	SCREAMING_SNAKE_CASE__ = None       ,	) ->		str:



											"""simple docstring"""




											SCREAMING_SNAKE_CASE__						:	List[Any]									=       config_kwargs.copy()
											# We need to stringify the Selectable object to make its hash deterministic

											# The process of stringifying is explained here: http://docs.sqlalchemy.org/en/latest/faq/sqlexpressions.html
											SCREAMING_SNAKE_CASE__						:	Dict									=       config_kwargs["""sql"""]
											if not isinstance(SCREAMING_SNAKE_CASE__       ,	SCREAMING_SNAKE_CASE__   ):
																		if datasets.config.SQLALCHEMY_AVAILABLE and "sqlalchemy" in sys.modules:
																									import sqlalchemy

																									if isinstance(SCREAMING_SNAKE_CASE__       ,	sqlalchemy.sql.Selectable   ):
																																SCREAMING_SNAKE_CASE__						:	str									=       sqlalchemy.create_engine(config_kwargs["""con"""].split("""://"""   )[0] + """://"""   )
																																SCREAMING_SNAKE_CASE__						:	Tuple									=       str(sql.compile(dialect=engine.dialect   )   )
																																SCREAMING_SNAKE_CASE__						:	Any									=       sql_str
																									else:
																																raise TypeError(
																																    F'''Supported types for \'sql\' are string and sqlalchemy.sql.Selectable but got {type(SCREAMING_SNAKE_CASE__   )}: {sql}'''   )
																		else:
																									raise TypeError(
																									    F'''Supported types for \'sql\' are string and sqlalchemy.sql.Selectable but got {type(SCREAMING_SNAKE_CASE__   )}: {sql}'''   )
											SCREAMING_SNAKE_CASE__						:	Union[str, Any]									=       config_kwargs["""con"""]
											if not isinstance(SCREAMING_SNAKE_CASE__       ,	SCREAMING_SNAKE_CASE__   ):
																		SCREAMING_SNAKE_CASE__						:	Optional[Any]									=       id(SCREAMING_SNAKE_CASE__   )
																		logger.info(
																		    F'''SQL connection \'con\' of type {type(SCREAMING_SNAKE_CASE__   )} couldn\'t be hashed properly. To enable hashing, specify \'con\' as URI string instead.'''   )

											return super().create_config_id(SCREAMING_SNAKE_CASE__       ,	custom_features=SCREAMING_SNAKE_CASE__   )



				@property
				def      __magic_name__   (self   ) ->		str:



											"""simple docstring"""




											SCREAMING_SNAKE_CASE__						:	Optional[int]									=       {
											    """index_col""": self.index_col,
											    """columns""": self.columns,
											    """params""": self.params,
											    """coerce_float""": self.coerce_float,
											    """parse_dates""": self.parse_dates,
											}
											return pd_read_sql_kwargs






class      lowerCAmelCase_						(datasets.ArrowBasedBuilder  ):


				"""simple docstring"""



				__UpperCamelCase				:						List[str] 	=       SqlConfig



				def      __magic_name__   (self   ) ->		List[Any]:



											"""simple docstring"""




											return datasets.DatasetInfo(features=self.config.features   )



				def      __magic_name__   (self       ,	SCREAMING_SNAKE_CASE__   ) ->		List[str]:



											"""simple docstring"""




											return [datasets.SplitGenerator(name=datasets.Split.TRAIN       ,	gen_kwargs={}   )]



				def      __magic_name__   (self       ,	SCREAMING_SNAKE_CASE__   ) ->		pa.Table:



											"""simple docstring"""




											if self.config.features is not None:
																		SCREAMING_SNAKE_CASE__						:	List[str]									=       self.config.features.arrow_schema
																		if all(not require_storage_cast(SCREAMING_SNAKE_CASE__   ) for feature in self.config.features.values()   ):
																									# cheaper cast
																									SCREAMING_SNAKE_CASE__						:	Union[str, Any]									=       pa.Table.from_arrays([pa_table[field.name] for field in schema]       ,	schema=SCREAMING_SNAKE_CASE__   )
																		else:
																									# more expensive cast; allows str <-> int/float or str to Audio for example
																									SCREAMING_SNAKE_CASE__						:	Optional[int]									=       table_cast(SCREAMING_SNAKE_CASE__       ,	SCREAMING_SNAKE_CASE__   )
											return pa_table



				def      __magic_name__   (self   ) ->		Optional[int]:



											"""simple docstring"""




											SCREAMING_SNAKE_CASE__						:	List[Any]									=       self.config.chunksize
											SCREAMING_SNAKE_CASE__						:	Any									=       pd.read_sql(
											    self.config.sql       ,	self.config.con       ,	chunksize=SCREAMING_SNAKE_CASE__       ,	**self.config.pd_read_sql_kwargs   )
											SCREAMING_SNAKE_CASE__						:	str									=       [sql_reader] if chunksize is None else sql_reader
											for chunk_idx, df in enumerate(SCREAMING_SNAKE_CASE__   ):
																		SCREAMING_SNAKE_CASE__						:	int									=       pa.Table.from_pandas(SCREAMING_SNAKE_CASE__   )
																		yield chunk_idx, self._cast_table(SCREAMING_SNAKE_CASE__   )




