

'''simple docstring'''





import argparse

import pytorch_lightning as pl
import torch
from torch import nn

from transformers import LongformerForQuestionAnswering, LongformerModel


class  UpperCAmelCase (							pl.LightningModule    ):

		'''simple docstring'''






		def __init__(					self   ,			SCREAMING_SNAKE_CASE_		)  ->     int:






							'''simple docstring'''



							super().__init__()
							lowerCamelCase_  				=      model
							lowerCamelCase_  				=      2
							lowerCamelCase_  				=      nn.Linear(self.model.config.hidden_size   ,			self.num_labels		)






		def 			UpperCamelCase(					self		)  ->     Dict:






							'''simple docstring'''



							pass







def   _UpperCamelCase	(		__UpperCamelCase    ,__UpperCamelCase    ,__UpperCamelCase	)       ->			int:
					# load longformer model from model identifier
					lowerCamelCase_  				=      LongformerModel.from_pretrained(__UpperCamelCase	)
					lowerCamelCase_  				=      LightningModel(__UpperCamelCase	)

					lowerCamelCase_  				=      torch.load(__UpperCamelCase    ,map_location=torch.device('cpu'	)	)
					lightning_model.load_state_dict(ckpt['state_dict']	)

					# init longformer question answering model
					lowerCamelCase_  				=      LongformerForQuestionAnswering.from_pretrained(__UpperCamelCase	)

					# transfer weights
					longformer_for_qa.longformer.load_state_dict(lightning_model.model.state_dict()	)
					longformer_for_qa.qa_outputs.load_state_dict(lightning_model.qa_outputs.state_dict()	)
					longformer_for_qa.eval()

					# save model
					longformer_for_qa.save_pretrained(__UpperCamelCase	)

					print(f'''Conversion successful. Model saved under {pytorch_dump_folder_path}'''	)


if __name__ == "__main__":
				A_	= argparse.ArgumentParser()
				# Required parameters
				parser.add_argument(
				    "--longformer_model",
				    default=None,
				    type=str,
				    required=True,
				    help="model identifier of longformer. Should be either `longformer-base-4096` or `longformer-large-4096`.",
				)
				parser.add_argument(
				    "--longformer_question_answering_ckpt_path",
				    default=None,
				    type=str,
				    required=True,
				    help="Path the official PyTorch Lightning Checkpoint.",
				)
				parser.add_argument(
				    "--pytorch_dump_folder_path", default=None, type=str, required=True, help="Path to the output PyTorch model."
				)
				A_	= parser.parse_args()
				convert_longformer_qa_checkpoint_to_pytorch(
				    args.longformer_model, args.longformer_question_answering_ckpt_path, args.pytorch_dump_folder_path
				)











import pyarrow.parquet as pq
import pytest

from datasets import Audio, Dataset, DatasetDict, Features, NamedSplit, Sequence, Value, config
from datasets.features.image import Image
from datasets.io.parquet import ParquetDatasetReader, ParquetDatasetWriter, get_writer_batch_size

from ..utils import assert_arrow_memory_doesnt_increase, assert_arrow_memory_increases

def   __lowercase       (			snake_case,	snake_case			):







				"""simple docstring"""






				assert isinstance(snake_case,	snake_case			)
				assert dataset.num_rows == 4
				assert dataset.num_columns == 3
				assert dataset.column_names == ["col_1", "col_2", "col_3"]
				for feature, expected_dtype in expected_features.items():
								assert dataset.features[feature].dtype == expected_dtype

@pytest.mark.parametrize('''keep_in_memory''',	[False, True]			)
def   __lowercase       (			snake_case,	snake_case,	snake_case			):







				"""simple docstring"""






				__magic_name__		:Tuple   =   tmp_path / '''cache'''
				__magic_name__		:int   =   {'''col_1''': '''string''', '''col_2''': '''int64''', '''col_3''': '''float64'''}
				with assert_arrow_memory_increases() if keep_in_memory else assert_arrow_memory_doesnt_increase():
								__magic_name__		:Optional[Any]   =   ParquetDatasetReader(snake_case,	cache_dir=snake_case,	keep_in_memory=snake_case			).read()
				_check_parquet_dataset(snake_case,	snake_case			)

@pytest.mark.parametrize(
    '''features''',	[
        None,
        {'''col_1''': '''string''', '''col_2''': '''int64''', '''col_3''': '''float64'''},
        {'''col_1''': '''string''', '''col_2''': '''string''', '''col_3''': '''string'''},
        {'''col_1''': '''int32''', '''col_2''': '''int32''', '''col_3''': '''int32'''},
        {'''col_1''': '''float32''', '''col_2''': '''float32''', '''col_3''': '''float32'''},
    ],	)
def   __lowercase       (			snake_case,	snake_case,	snake_case			):







				"""simple docstring"""






				__magic_name__		:List[str]   =   tmp_path / '''cache'''
				__magic_name__		:int   =   {'''col_1''': '''string''', '''col_2''': '''int64''', '''col_3''': '''float64'''}
				__magic_name__		:Tuple   =   features.copy() if features else default_expected_features
				__magic_name__		:Union[str, Any]   =   (
				    Features({feature: Value(snake_case			) for feature, dtype in features.items()}			) if features is not None else None
				)
				__magic_name__		:int   =   ParquetDatasetReader(snake_case,	features=snake_case,	cache_dir=snake_case			).read()
				_check_parquet_dataset(snake_case,	snake_case			)

@pytest.mark.parametrize('''split''',	[None, NamedSplit('''train'''			), '''train''', '''test''']			)
def   __lowercase       (			snake_case,	snake_case,	snake_case			):







				"""simple docstring"""






				__magic_name__		:str   =   tmp_path / '''cache'''
				__magic_name__		:List[Any]   =   {'''col_1''': '''string''', '''col_2''': '''int64''', '''col_3''': '''float64'''}
				__magic_name__		:int   =   ParquetDatasetReader(snake_case,	cache_dir=snake_case,	split=snake_case			).read()
				_check_parquet_dataset(snake_case,	snake_case			)
				assert dataset.split == split if split else "train"

@pytest.mark.parametrize('''path_type''',	[str, list]			)
def   __lowercase       (			snake_case,	snake_case,	snake_case			):







				"""simple docstring"""






				if issubclass(snake_case,	snake_case			):
								__magic_name__		:Union[str, Any]   =   parquet_path
				elif issubclass(snake_case,	snake_case			):
								__magic_name__		:Union[str, Any]   =   [parquet_path]
				__magic_name__		:Optional[int]   =   tmp_path / '''cache'''
				__magic_name__		:Optional[int]   =   {'''col_1''': '''string''', '''col_2''': '''int64''', '''col_3''': '''float64'''}
				__magic_name__		:str   =   ParquetDatasetReader(snake_case,	cache_dir=snake_case			).read()
				_check_parquet_dataset(snake_case,	snake_case			)

def   __lowercase       (			snake_case,	snake_case,	snake_case=("train",)			):







				"""simple docstring"""






				assert isinstance(snake_case,	snake_case			)
				for split in splits:
								__magic_name__		:Optional[Any]   =   dataset_dict[split]
								assert dataset.num_rows == 4
								assert dataset.num_columns == 3
								assert dataset.column_names == ["col_1", "col_2", "col_3"]
								for feature, expected_dtype in expected_features.items():
												assert dataset.features[feature].dtype == expected_dtype

@pytest.mark.parametrize('''keep_in_memory''',	[False, True]			)
def   __lowercase       (			snake_case,	snake_case,	snake_case			):







				"""simple docstring"""






				__magic_name__		:Any   =   tmp_path / '''cache'''
				__magic_name__		:Optional[int]   =   {'''col_1''': '''string''', '''col_2''': '''int64''', '''col_3''': '''float64'''}
				with assert_arrow_memory_increases() if keep_in_memory else assert_arrow_memory_doesnt_increase():
								__magic_name__		:Tuple   =   ParquetDatasetReader(
								    {'''train''': parquet_path},	cache_dir=snake_case,	keep_in_memory=snake_case			).read()
				_check_parquet_datasetdict(snake_case,	snake_case			)

@pytest.mark.parametrize(
    '''features''',	[
        None,
        {'''col_1''': '''string''', '''col_2''': '''int64''', '''col_3''': '''float64'''},
        {'''col_1''': '''string''', '''col_2''': '''string''', '''col_3''': '''string'''},
        {'''col_1''': '''int32''', '''col_2''': '''int32''', '''col_3''': '''int32'''},
        {'''col_1''': '''float32''', '''col_2''': '''float32''', '''col_3''': '''float32'''},
    ],	)
def   __lowercase       (			snake_case,	snake_case,	snake_case			):







				"""simple docstring"""






				__magic_name__		:Optional[Any]   =   tmp_path / '''cache'''
				__magic_name__		:Dict   =   {'''col_1''': '''string''', '''col_2''': '''int64''', '''col_3''': '''float64'''}
				__magic_name__		:int   =   features.copy() if features else default_expected_features
				__magic_name__		:List[Any]   =   (
				    Features({feature: Value(snake_case			) for feature, dtype in features.items()}			) if features is not None else None
				)
				__magic_name__		:Optional[int]   =   ParquetDatasetReader({'''train''': parquet_path},	features=snake_case,	cache_dir=snake_case			).read()
				_check_parquet_datasetdict(snake_case,	snake_case			)

@pytest.mark.parametrize('''split''',	[None, NamedSplit('''train'''			), '''train''', '''test''']			)
def   __lowercase       (			snake_case,	snake_case,	snake_case			):







				"""simple docstring"""






				if split:
								__magic_name__		:Dict   =   {split: parquet_path}
				else:
								__magic_name__		:Optional[int]   =   '''train'''
								__magic_name__		:Dict   =   {'''train''': parquet_path, '''test''': parquet_path}
				__magic_name__		:List[Any]   =   tmp_path / '''cache'''
				__magic_name__		:Optional[Any]   =   {'''col_1''': '''string''', '''col_2''': '''int64''', '''col_3''': '''float64'''}
				__magic_name__		:Optional[Any]   =   ParquetDatasetReader(snake_case,	cache_dir=snake_case			).read()
				_check_parquet_datasetdict(snake_case,	snake_case,	splits=list(path.keys()			)			)
				assert all(dataset[split].split == split for split in path.keys()			)

def   __lowercase       (			snake_case,	snake_case			):







				"""simple docstring"""






				__magic_name__		:str   =   ParquetDatasetWriter(snake_case,	tmp_path / '''foo.parquet'''			)
				assert writer.write() > 0
				__magic_name__		:List[Any]   =   pq.ParquetFile(tmp_path / '''foo.parquet'''			)
				__magic_name__		:List[Any]   =   pf.read()
				assert dataset.data.table == output_table

def   __lowercase       (			snake_case,	snake_case			):







				"""simple docstring"""






				__magic_name__		:List[str]   =   str(shared_datadir / '''test_image_rgb.jpg'''			)
				__magic_name__		:Tuple   =   {'''image''': [image_path]}
				__magic_name__		:List[Any]   =   Features({'''image''': Image()}			)
				__magic_name__		:Tuple   =   Dataset.from_dict(snake_case,	features=snake_case			)
				__magic_name__		:Union[str, Any]   =   ParquetDatasetWriter(snake_case,	tmp_path / '''foo.parquet'''			)
				assert writer.write() > 0

				__magic_name__		:List[str]   =   Dataset.from_parquet(str(tmp_path / '''foo.parquet'''			)			)
				assert dataset.features == reloaded_dataset.features

				__magic_name__		:List[str]   =   ParquetDatasetReader(str(tmp_path / '''foo.parquet'''			),	streaming=snake_case			).read()
				assert dataset.features == reloaded_iterable_dataset.features

@pytest.mark.parametrize(
    '''feature, expected''',	[
        (Features({'''foo''': Value('''int32'''			)}			), None),
        (Features({'''image''': Image(), '''foo''': Value('''int32'''			)}			), config.PARQUET_ROW_GROUP_SIZE_FOR_IMAGE_DATASETS),
        (Features({'''nested''': Sequence(Audio()			)}			), config.PARQUET_ROW_GROUP_SIZE_FOR_AUDIO_DATASETS),
    ],	)
def   __lowercase       (			snake_case,	snake_case			):







				"""simple docstring"""






				assert get_writer_batch_size(snake_case			) == expected






