


import os
import tempfile
from pathlib import Path
from unittest import TestCase

import pyarrow as pa
import pytest

from datasets.arrow_dataset import Dataset
from datasets.arrow_reader import ArrowReader, BaseReader, FileInstructions, ReadInstruction, make_file_instructions
from datasets.info import DatasetInfo
from datasets.splits import NamedSplit, Split, SplitDict, SplitInfo

from .utils import assert_arrow_memory_doesnt_increase, assert_arrow_memory_increases







class 					snake_case__(				UpperCAmelCase__				):







						'''simple docstring'''




						def     lowercase_			(					self ,    __lowercase ,    __lowercase=False				)       ->     List[str]:
										lowerCAmelCase_					,	lowerCAmelCase_					,	lowerCAmelCase_			:   Union[str, Any]     					=					(
										    filename_skip_take['''filename'''],
										    filename_skip_take['''skip'''] if '''skip''' in filename_skip_take else None,
										    filename_skip_take['''take'''] if '''take''' in filename_skip_take else None,
										)
										open(os.path.join(__lowercase				) ,    '''wb'''				).close()
										lowerCAmelCase_			:   int     					=					pa.Table.from_pydict({'''filename''': [Path(__lowercase				).name] * 1_0_0}				)
										if take == -1:
														lowerCAmelCase_			:   Tuple     					=					len(__lowercase				) - skip
										if skip is not None and take is not None:
														lowerCAmelCase_			:   List[str]     					=					pa_table.slice(__lowercase ,    __lowercase				)
										return pa_table







class 					snake_case__(				UpperCAmelCase__				):







						'''simple docstring'''




						def     lowercase_			(					self				)       ->     int:
										lowerCAmelCase_			:   Union[str, Any]     					=					'''my_name'''
										lowerCAmelCase_			:   int     					=					SplitInfo(name='''train''' ,    num_examples=1_0_0				)
										lowerCAmelCase_			:   Union[str, Any]     					=					SplitInfo(name='''test''' ,    num_examples=1_0_0				)
										lowerCAmelCase_			:   int     					=					[train_info, test_info]
										lowerCAmelCase_			:   Optional[int]     					=					SplitDict()
										split_dict.add(__lowercase				)
										split_dict.add(__lowercase				)
										lowerCAmelCase_			:   Any     					=					DatasetInfo(splits=__lowercase				)

										with tempfile.TemporaryDirectory() as tmp_dir:
														lowerCAmelCase_			:   Tuple     					=					ReaderTest(__lowercase ,    __lowercase				)

														lowerCAmelCase_			:   List[Any]     					=					'''test[:33%]'''
														lowerCAmelCase_			:   Dict     					=					Dataset(**reader.read(__lowercase ,    __lowercase ,    __lowercase				)				)
														self.assertEqual(dset['''filename'''][0] ,    f"""{name}-test"""				)
														self.assertEqual(dset.num_rows ,    3_3				)
														self.assertEqual(dset.num_columns ,    1				)

														lowerCAmelCase_			:   Optional[int]     					=					['''train''', '''test[:33%]''']
														lowerCAmelCase_			:   Optional[int]     					=					[Split.TRAIN, ReadInstruction.from_spec('''test[:33%]'''				)]
														for instructions in [instructionsa, instructionsa]:
																		lowerCAmelCase_			:   int     					=					[reader.read(__lowercase ,    __lowercase ,    __lowercase				) for instr in instructions]
																		lowerCAmelCase_					,	lowerCAmelCase_			:   Tuple     					=					(Dataset(**__lowercase				) for dataset_kwargs in datasets_kwargs)
																		self.assertEqual(train_dset['''filename'''][0] ,    f"""{name}-train"""				)
																		self.assertEqual(train_dset.num_rows ,    1_0_0				)
																		self.assertEqual(train_dset.num_columns ,    1				)
																		self.assertIsInstance(train_dset.split ,    __lowercase				)
																		self.assertEqual(str(train_dset.split				) ,    '''train'''				)
																		self.assertEqual(test_dset['''filename'''][0] ,    f"""{name}-test"""				)
																		self.assertEqual(test_dset.num_rows ,    3_3				)
																		self.assertEqual(test_dset.num_columns ,    1				)
																		self.assertIsInstance(test_dset.split ,    __lowercase				)
																		self.assertEqual(str(test_dset.split				) ,    '''test[:33%]'''				)
																		del train_dset, test_dset




						def     lowercase_			(					self				)       ->     Any:
										lowerCAmelCase_			:   Optional[int]     					=					'''my_name'''
										lowerCAmelCase_			:   Dict     					=					SplitInfo(name='''train''' ,    num_examples=1_0_0_0 ,    shard_lengths=[1_0_0] * 1_0				)
										lowerCAmelCase_			:   int     					=					[train_info]
										lowerCAmelCase_			:   int     					=					SplitDict()
										split_dict.add(__lowercase				)
										lowerCAmelCase_			:   Optional[Any]     					=					DatasetInfo(splits=__lowercase				)

										with tempfile.TemporaryDirectory() as tmp_dir:
														lowerCAmelCase_			:   Dict     					=					ReaderTest(__lowercase ,    __lowercase				)

														lowerCAmelCase_			:   Union[str, Any]     					=					'''train[:33%]'''
														lowerCAmelCase_			:   List[Any]     					=					Dataset(**reader.read(__lowercase ,    __lowercase ,    __lowercase				)				)
														self.assertEqual(dset['''filename'''][0] ,    f"""{name}-train-00000-of-00010"""				)
														self.assertEqual(dset['''filename'''][-1] ,    f"""{name}-train-00003-of-00010"""				)
														self.assertEqual(dset.num_rows ,    3_3_0				)
														self.assertEqual(dset.num_columns ,    1				)




						def     lowercase_			(					self				)       ->     Tuple:
										lowerCAmelCase_			:   List[Any]     					=					SplitInfo(name='''train''' ,    num_examples=1_0_0				)
										lowerCAmelCase_			:   List[str]     					=					SplitInfo(name='''test''' ,    num_examples=1_0_0				)
										lowerCAmelCase_			:   Dict     					=					SplitDict()
										split_dict.add(__lowercase				)
										split_dict.add(__lowercase				)
										lowerCAmelCase_			:   Union[str, Any]     					=					DatasetInfo(splits=__lowercase				)

										with tempfile.TemporaryDirectory() as tmp_dir:
														lowerCAmelCase_			:   str     					=					ReaderTest(__lowercase ,    __lowercase				)

														lowerCAmelCase_			:   List[str]     					=					[
														    {'''filename''': os.path.join(__lowercase ,    '''train'''				)},
														    {'''filename''': os.path.join(__lowercase ,    '''test'''				), '''skip''': 1_0, '''take''': 1_0},
														]
														lowerCAmelCase_			:   List[str]     					=					Dataset(**reader.read_files(__lowercase ,    original_instructions='''train+test[10:20]'''				)				)
														self.assertEqual(dset.num_rows ,    1_1_0				)
														self.assertEqual(dset.num_columns ,    1				)
														del dset






@pytest.mark.parametrize('''in_memory'''			, [False, True]			)
def       lowerCAmelCase			(		lowerCAmelCase_			, lowerCAmelCase_			, lowerCAmelCase_			)->			List[str]:
				lowerCAmelCase_			:   Optional[int]     					=					arrow_file
				with assert_arrow_memory_increases() if in_memory else assert_arrow_memory_doesnt_increase():
								lowerCAmelCase_			:   List[str]     					=					ArrowReader.read_table(lowerCAmelCase_			, in_memory=lowerCAmelCase_			)
				assert table.shape == dataset.data.shape
				assert set(table.column_names			) == set(dataset.data.column_names			)
				assert dict(table.to_pydict()			) == dict(dataset.data.to_pydict()			)  # to_pydict returns OrderedDict



@pytest.mark.parametrize('''in_memory'''			, [False, True]			)
def       lowerCAmelCase			(		lowerCAmelCase_			, lowerCAmelCase_			, lowerCAmelCase_			)->			List[Any]:
				lowerCAmelCase_			:   Optional[Any]     					=					arrow_file
				lowerCAmelCase_			:   Union[str, Any]     					=					ArrowReader(''''''			, lowerCAmelCase_			)
				with assert_arrow_memory_increases() if in_memory else assert_arrow_memory_doesnt_increase():
								lowerCAmelCase_			:   str     					=					reader.read_files([{'''filename''': filename}]			, in_memory=lowerCAmelCase_			)
				assert dataset_kwargs.keys() == {"arrow_table", "info", "split"}
				lowerCAmelCase_			:   Optional[int]     					=					dataset_kwargs['''arrow_table''']
				assert table.shape == dataset.data.shape
				assert set(table.column_names			) == set(dataset.data.column_names			)
				assert dict(table.to_pydict()			) == dict(dataset.data.to_pydict()			)  # to_pydict returns OrderedDict



def       lowerCAmelCase			(		)->			Any:
				assert ReadInstruction('''train'''			, to=10			, unit='''abs'''			).to_spec() == "train[:10]"
				assert ReadInstruction('''train'''			, from_=-80			, to=10			, unit='''%'''			).to_spec() == "train[-80%:10%]"

				lowerCAmelCase_			:   Optional[int]     					=					'''train+test'''
				assert ReadInstruction.from_spec(lowerCAmelCase_			).to_spec() == spec_train_test

				lowerCAmelCase_			:   Union[str, Any]     					=					'''train[2:10]'''
				assert ReadInstruction.from_spec(lowerCAmelCase_			).to_spec() == spec_train_abs

				lowerCAmelCase_			:   Any     					=					'''train[15%:-20%]'''
				assert ReadInstruction.from_spec(lowerCAmelCase_			).to_spec() == spec_train_pct

				lowerCAmelCase_			:   int     					=					'''train[:10%](closest)'''
				assert ReadInstruction.from_spec(lowerCAmelCase_			).to_spec() == "train[:10%]"

				lowerCAmelCase_			:   str     					=					'''train[:10%](pct1_dropremainder)'''
				assert ReadInstruction.from_spec(lowerCAmelCase_			).to_spec() == spec_train_pct_rounding

				lowerCAmelCase_			:   List[str]     					=					'''train[:10%](pct1_dropremainder)+test[-10%:](pct1_dropremainder)'''
				assert ReadInstruction.from_spec(lowerCAmelCase_			).to_spec() == spec_train_test_pct_rounding



def       lowerCAmelCase			(		)->			Optional[Any]:
				lowerCAmelCase_			:   List[Any]     					=					'''dummy'''
				lowerCAmelCase_			:   Optional[Any]     					=					[SplitInfo(name='''train'''			, num_examples=100			)]
				lowerCAmelCase_			:   int     					=					'''train[:33%]'''
				lowerCAmelCase_			:   List[Any]     					=					'''arrow'''
				lowerCAmelCase_			:   str     					=					'''prefix'''

				lowerCAmelCase_			:   Any     					=					make_file_instructions(lowerCAmelCase_			, lowerCAmelCase_			, lowerCAmelCase_			, lowerCAmelCase_			, lowerCAmelCase_			)
				assert isinstance(lowerCAmelCase_			, lowerCAmelCase_			)
				assert file_instructions.num_examples == 33
				assert file_instructions.file_instructions == [
				    {"filename": os.path.join(lowerCAmelCase_			, f"""{name}-train.arrow"""			), "skip": 0, "take": 33}
				]

				lowerCAmelCase_			:   Any     					=					[SplitInfo(name='''train'''			, num_examples=100			, shard_lengths=[10] * 10			)]
				lowerCAmelCase_			:   str     					=					make_file_instructions(lowerCAmelCase_			, lowerCAmelCase_			, lowerCAmelCase_			, lowerCAmelCase_			, lowerCAmelCase_			)
				assert isinstance(lowerCAmelCase_			, lowerCAmelCase_			)
				assert file_instructions.num_examples == 33
				assert file_instructions.file_instructions == [
				    {"filename": os.path.join(lowerCAmelCase_			, f"""{name}-train-00000-of-00010.arrow"""			), "skip": 0, "take": -1},
				    {"filename": os.path.join(lowerCAmelCase_			, f"""{name}-train-00001-of-00010.arrow"""			), "skip": 0, "take": -1},
				    {"filename": os.path.join(lowerCAmelCase_			, f"""{name}-train-00002-of-00010.arrow"""			), "skip": 0, "take": -1},
				    {"filename": os.path.join(lowerCAmelCase_			, f"""{name}-train-00003-of-00010.arrow"""			), "skip": 0, "take": 3},
				]




@pytest.mark.parametrize('''name, expected_exception'''			, [(None, TypeError), ('''''', ValueError)]			)
def       lowerCAmelCase			(		lowerCAmelCase_			, lowerCAmelCase_			)->			Dict:
				lowerCAmelCase_			:   Optional[Any]     					=					[SplitInfo(name='''train'''			, num_examples=100			)]
				lowerCAmelCase_			:   List[Any]     					=					'''train'''
				lowerCAmelCase_			:   str     					=					'''arrow'''
				lowerCAmelCase_			:   Optional[Any]     					=					'''prefix_path'''
				with pytest.raises(lowerCAmelCase_			):
								lowerCAmelCase_			:   List[str]     					=					make_file_instructions(lowerCAmelCase_			, lowerCAmelCase_			, lowerCAmelCase_			, lowerCAmelCase_			, lowerCAmelCase_			)



import numpy as np

_UpperCAmelCase      :	int  =[
    ["""a""", """b""", """c""", """d""", """e"""],
    ["""f""", """g""", """h""", """i""", """k"""],
    ["""l""", """m""", """n""", """o""", """p"""],
    ["""q""", """r""", """s""", """t""", """u"""],
    ["""v""", """w""", """x""", """y""", """z"""],
]







class 					snake_case__:







						'''simple docstring'''




						def __init__(					self				)       ->     None:
										lowerCAmelCase_			:   List[Any]     					=					np.array(__lowercase				)




						def     lowercase_			(					self ,    __lowercase				)       ->     np.ndarray:
										lowerCAmelCase_					,	lowerCAmelCase_			:   List[str]     					=					np.where(letter == self.SQUARE				)
										lowerCAmelCase_			:   Union[str, Any]     					=					np.concatenate([indexa + 1, indexa + 1]				)
										return indexes




						def     lowercase_			(					self ,    __lowercase ,    __lowercase				)       ->     str:
										return self.SQUARE[indexa - 1, indexa - 1]




						def     lowercase_			(					self ,    __lowercase				)       ->     str:
										lowerCAmelCase_			:   Dict     					=					message.lower()
										lowerCAmelCase_			:   Any     					=					message.replace('''j''' ,    '''i'''				)

										lowerCAmelCase_			:   Optional[Any]     					=					''''''
										for letter_index in range(len(__lowercase				)				):
														if message[letter_index] != " ":
																		lowerCAmelCase_			:   Optional[Any]     					=					self.letter_to_numbers(message[letter_index]				)
																		lowerCAmelCase_			:   List[Any]     					=					encoded_message + str(numbers[0]				) + str(numbers[1]				)
														elif message[letter_index] == " ":
																		lowerCAmelCase_			:   Optional[Any]     					=					encoded_message + ''' '''

										return encoded_message




						def     lowercase_			(					self ,    __lowercase				)       ->     str:
										lowerCAmelCase_			:   List[str]     					=					message.replace(''' ''' ,    '''  '''				)
										lowerCAmelCase_			:   Union[str, Any]     					=					''''''
										for numbers_index in range(int(len(__lowercase				) / 2				)				):
														if message[numbers_index * 2] != " ":
																		lowerCAmelCase_			:   Any     					=					message[numbers_index * 2]
																		lowerCAmelCase_			:   Dict     					=					message[numbers_index * 2 + 1]

																		lowerCAmelCase_			:   Dict     					=					self.numbers_to_letter(int(__lowercase				) ,    int(__lowercase				)				)
																		lowerCAmelCase_			:   Tuple     					=					decoded_message + letter
														elif message[numbers_index * 2] == " ":
																		lowerCAmelCase_			:   List[str]     					=					decoded_message + ''' '''

										return decoded_message