




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       _UpperCamelCase   (					_A		):
      def 						UpperCAmelCase_    (      self :int			,   lowerCamelCase :Tuple			,   lowerCamelCase :List[Any]=False   )  ->      str:
       UpperCAmelCase__							=    (
           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()
       UpperCAmelCase__							=    pa.Table.from_pydict({"filename": [Path(__lowercase   ).name] * 100}   )
       if take == -1:
        UpperCAmelCase__							=    len(__lowercase   ) - skip
       if skip is not None and take is not None:
        UpperCAmelCase__							=    pa_table.slice(__lowercase			,   __lowercase   )
       return pa_table



class       _UpperCamelCase   (					_A		):
      def 						UpperCAmelCase_    (      self :List[Any]   )  ->      str:
       UpperCAmelCase__							=    '''my_name'''
       UpperCAmelCase__							=    SplitInfo(name="train"			,   num_examples=100   )
       UpperCAmelCase__							=    SplitInfo(name="test"			,   num_examples=100   )
       UpperCAmelCase__							=    [train_info, test_info]
       UpperCAmelCase__							=    SplitDict()
       split_dict.add(__lowercase   )
       split_dict.add(__lowercase   )
       UpperCAmelCase__							=    DatasetInfo(splits=__lowercase   )

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

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

        UpperCAmelCase__							=    ['''train''', '''test[:33%]''']
        UpperCAmelCase__							=    [Split.TRAIN, ReadInstruction.from_spec("test[:33%]"   )]
        for instructions in [instructionsa, instructionsa]:
         UpperCAmelCase__							=    [reader.read(__lowercase			,   __lowercase			,   __lowercase   ) for instr in instructions]
         UpperCAmelCase__							=    (Dataset(**__lowercase   ) for dataset_kwargs in datasets_kwargs)
         self.assertEqual(train_dset["filename"][0]			,   f'''{name}-train'''   )
         self.assertEqual(train_dset.num_rows			,   100   )
         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			,   33   )
         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 						UpperCAmelCase_    (      self :str   )  ->      Tuple:
       UpperCAmelCase__							=    '''my_name'''
       UpperCAmelCase__							=    SplitInfo(name="train"			,   num_examples=1000			,   shard_lengths=[100] * 10   )
       UpperCAmelCase__							=    [train_info]
       UpperCAmelCase__							=    SplitDict()
       split_dict.add(__lowercase   )
       UpperCAmelCase__							=    DatasetInfo(splits=__lowercase   )

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

        UpperCAmelCase__							=    '''train[:33%]'''
        UpperCAmelCase__							=    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			,   330   )
        self.assertEqual(dset.num_columns			,   1   )







      def 						UpperCAmelCase_    (      self :List[str]   )  ->      str:
       UpperCAmelCase__							=    SplitInfo(name="train"			,   num_examples=100   )
       UpperCAmelCase__							=    SplitInfo(name="test"			,   num_examples=100   )
       UpperCAmelCase__							=    SplitDict()
       split_dict.add(__lowercase   )
       split_dict.add(__lowercase   )
       UpperCAmelCase__							=    DatasetInfo(splits=__lowercase   )

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

        UpperCAmelCase__							=    [
            {'''filename''': os.path.join(__lowercase			,   "train"   )},
            {'''filename''': os.path.join(__lowercase			,   "test"   ), '''skip''': 10, '''take''': 10},
        ]
        UpperCAmelCase__							=    Dataset(**reader.read_files(__lowercase			,   original_instructions="train+test[10:20]"   )   )
        self.assertEqual(dset.num_rows			,   110   )
        self.assertEqual(dset.num_columns			,   1   )
        del dset



@pytest.mark.parametrize("in_memory"    ,				[False, True]						)
def     lowerCAmelCase		(		_lowerCAmelCase				: List[str]    ,				_lowerCAmelCase				: Optional[Any]    ,				_lowerCAmelCase				: Optional[int]						):




 """simple docstring"""







 UpperCAmelCase__							=    arrow_file
 with assert_arrow_memory_increases() if in_memory else assert_arrow_memory_doesnt_increase():
  UpperCAmelCase__							=    ArrowReader.read_table(SCREAMING_SNAKE_CASE_    ,				in_memory=SCREAMING_SNAKE_CASE_						)
 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				: List[str]    ,				_lowerCAmelCase				: int    ,				_lowerCAmelCase				: Optional[Any]						):




 """simple docstring"""







 UpperCAmelCase__							=    arrow_file
 UpperCAmelCase__							=    ArrowReader(""    ,				SCREAMING_SNAKE_CASE_						)
 with assert_arrow_memory_increases() if in_memory else assert_arrow_memory_doesnt_increase():
  UpperCAmelCase__							=    reader.read_files([{"filename": filename}]    ,				in_memory=SCREAMING_SNAKE_CASE_						)
 assert dataset_kwargs.keys() == {"arrow_table", "info", "split"}
 UpperCAmelCase__							=    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		(		):




 """simple docstring"""







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

 UpperCAmelCase__							=    '''train+test'''
 assert ReadInstruction.from_spec(SCREAMING_SNAKE_CASE_						).to_spec() == spec_train_test

 UpperCAmelCase__							=    '''train[2:10]'''
 assert ReadInstruction.from_spec(SCREAMING_SNAKE_CASE_						).to_spec() == spec_train_abs

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

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

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

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



def     lowerCAmelCase		(		):




 """simple docstring"""







 UpperCAmelCase__							=    '''dummy'''
 UpperCAmelCase__							=    [SplitInfo(name="train"    ,				num_examples=100						)]
 UpperCAmelCase__							=    '''train[:33%]'''
 UpperCAmelCase__							=    '''arrow'''
 UpperCAmelCase__							=    '''prefix'''

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

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



@pytest.mark.parametrize("name, expected_exception"    ,				[(None, TypeError), ("", ValueError)]						)
def     lowerCAmelCase		(		_lowerCAmelCase				: Optional[int]    ,				_lowerCAmelCase				: Tuple						):




 """simple docstring"""







 UpperCAmelCase__							=    [SplitInfo(name="train"    ,				num_examples=100						)]
 UpperCAmelCase__							=    '''train'''
 UpperCAmelCase__							=    '''arrow'''
 UpperCAmelCase__							=    '''prefix_path'''
 with pytest.raises(SCREAMING_SNAKE_CASE_						):
  UpperCAmelCase__							=    make_file_instructions(SCREAMING_SNAKE_CASE_    ,				SCREAMING_SNAKE_CASE_    ,				SCREAMING_SNAKE_CASE_    ,				SCREAMING_SNAKE_CASE_    ,				SCREAMING_SNAKE_CASE_						)












def        A__						(							SCREAMING_SNAKE_CASE_ = 1_0_0_0		) ->  int:
		lowerCamelCase :			Dict    		=[]
		lowerCamelCase :			Dict    		=[]
		lowerCamelCase :			Union[str, Any]    		=3
		lowerCamelCase :			List[str]    		=5
		lowerCamelCase :			Union[str, Any]    		=1
		while True:
				lowerCamelCase :			Dict    		=z * temp
				if result < n:
						zmulti.append(SCREAMING_SNAKE_CASE_		)
						temp += 1
				else:
						lowerCamelCase :			List[Any]    		=1
						break
		while True:
				lowerCamelCase :			Optional[Any]    		=x * temp
				if result < n:
						xmulti.append(SCREAMING_SNAKE_CASE_		)
						temp += 1
				else:
						break
		lowerCamelCase :			str    		=list(set(xmulti + zmulti		)		)
		return sum(SCREAMING_SNAKE_CASE_		)


if __name__ == "__main__":
				print(F"""{solution() = }""")

