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 							a_					(		SCREAMING_SNAKE_CASE		):






 '''simple docstring'''






 def 						__snake_case		(     self   :    Optional[Any]     ,       lowercase__   :    Dict     ,       lowercase__   :    Dict=False):







        '''simple docstring'''



        lowerCAmelCase__      ,   lowerCAmelCase__      ,   lowerCAmelCase__	      =   (
            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__	      =   pa.Table.from_pydict({'filename': [Path(lowercase__).name] * 100})
        if take == -1:
               lowerCAmelCase__	      =   len(lowercase__) - skip
        if skip is not None and take is not None:
               lowerCAmelCase__	      =   pa_table.slice(lowercase__     ,       lowercase__)
        return pa_table






class 							a_					(		SCREAMING_SNAKE_CASE		):






 '''simple docstring'''






 def 						__snake_case		(     self   :    List[str]):







        '''simple docstring'''



        lowerCAmelCase__	      =   'my_name'
        lowerCAmelCase__	      =   SplitInfo(name='train'     ,       num_examples=100)
        lowerCAmelCase__	      =   SplitInfo(name='test'     ,       num_examples=100)
        lowerCAmelCase__	      =   [train_info, test_info]
        lowerCAmelCase__	      =   SplitDict()
        split_dict.add(lowercase__)
        split_dict.add(lowercase__)
        lowerCAmelCase__	      =   DatasetInfo(splits=lowercase__)

        with tempfile.TemporaryDirectory() as tmp_dir:
               lowerCAmelCase__	      =   ReaderTest(lowercase__     ,       lowercase__)

               lowerCAmelCase__	      =   'test[:33%]'
               lowerCAmelCase__	      =   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)

               lowerCAmelCase__	      =   ['train', 'test[:33%]']
               lowerCAmelCase__	      =   [Split.TRAIN, ReadInstruction.from_spec('test[:33%]')]
               for instructions in [instructionsa, instructionsa]:
                      lowerCAmelCase__	      =   [reader.read(lowercase__     ,       lowercase__     ,       lowercase__) for instr in instructions]
                      lowerCAmelCase__      ,   lowerCAmelCase__	      =   (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 						__snake_case		(     self   :    Dict):







        '''simple docstring'''



        lowerCAmelCase__	      =   'my_name'
        lowerCAmelCase__	      =   SplitInfo(name='train'     ,       num_examples=1_000     ,       shard_lengths=[100] * 10)
        lowerCAmelCase__	      =   [train_info]
        lowerCAmelCase__	      =   SplitDict()
        split_dict.add(lowercase__)
        lowerCAmelCase__	      =   DatasetInfo(splits=lowercase__)

        with tempfile.TemporaryDirectory() as tmp_dir:
               lowerCAmelCase__	      =   ReaderTest(lowercase__     ,       lowercase__)

               lowerCAmelCase__	      =   'train[:33%]'
               lowerCAmelCase__	      =   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 						__snake_case		(     self   :    List[str]):







        '''simple docstring'''



        lowerCAmelCase__	      =   SplitInfo(name='train'     ,       num_examples=100)
        lowerCAmelCase__	      =   SplitInfo(name='test'     ,       num_examples=100)
        lowerCAmelCase__	      =   SplitDict()
        split_dict.add(lowercase__)
        split_dict.add(lowercase__)
        lowerCAmelCase__	      =   DatasetInfo(splits=lowercase__)

        with tempfile.TemporaryDirectory() as tmp_dir:
               lowerCAmelCase__	      =   ReaderTest(lowercase__     ,       lowercase__)

               lowerCAmelCase__	      =   [
                   {'filename': os.path.join(lowercase__     ,       'train')},
                   {'filename': os.path.join(lowercase__     ,       'test'), 'skip': 10, 'take': 10},
               ]
               lowerCAmelCase__	      =   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__      ,    lowerCAmelCase__      ,    lowerCAmelCase__      ):
       lowerCAmelCase__	      =   arrow_file
       with assert_arrow_memory_increases() if in_memory else assert_arrow_memory_doesnt_increase():
              lowerCAmelCase__	      =   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__      ):
       lowerCAmelCase__	      =   arrow_file
       lowerCAmelCase__	      =   ArrowReader(''      ,    lowerCAmelCase__      )
       with assert_arrow_memory_increases() if in_memory else assert_arrow_memory_doesnt_increase():
              lowerCAmelCase__	      =   reader.read_files([{'filename': filename}]      ,    in_memory=lowerCAmelCase__      )
       assert dataset_kwargs.keys() == {"arrow_table", "info", "split"}
       lowerCAmelCase__	      =   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						(		):
       assert ReadInstruction('train'      ,    to=1_0      ,    unit='abs'      ).to_spec() == "train[:10]"
       assert ReadInstruction('train'      ,    from_=-8_0      ,    to=1_0      ,    unit='%'      ).to_spec() == "train[-80%:10%]"

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

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

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

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

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

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






def  __lowerCamelCase						(		):
       lowerCAmelCase__	      =   'dummy'
       lowerCAmelCase__	      =   [SplitInfo(name='train'      ,    num_examples=1_0_0      )]
       lowerCAmelCase__	      =   'train[:33%]'
       lowerCAmelCase__	      =   'arrow'
       lowerCAmelCase__	      =   'prefix'

       lowerCAmelCase__	      =   make_file_instructions(lowerCAmelCase__      ,    lowerCAmelCase__      ,    lowerCAmelCase__      ,    lowerCAmelCase__      ,    lowerCAmelCase__      )
       assert isinstance(lowerCAmelCase__      ,    lowerCAmelCase__      )
       assert file_instructions.num_examples == 3_3
       assert file_instructions.file_instructions == [
           {"filename": os.path.join(lowerCAmelCase__      ,    F"""{name}-train.arrow"""      ), "skip": 0, "take": 3_3}
       ]

       lowerCAmelCase__	      =   [SplitInfo(name='train'      ,    num_examples=1_0_0      ,    shard_lengths=[1_0] * 1_0      )]
       lowerCAmelCase__	      =   make_file_instructions(lowerCAmelCase__      ,    lowerCAmelCase__      ,    lowerCAmelCase__      ,    lowerCAmelCase__      ,    lowerCAmelCase__      )
       assert isinstance(lowerCAmelCase__      ,    lowerCAmelCase__      )
       assert file_instructions.num_examples == 3_3
       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__      ):
       lowerCAmelCase__	      =   [SplitInfo(name='train'      ,    num_examples=1_0_0      )]
       lowerCAmelCase__	      =   'train'
       lowerCAmelCase__	      =   'arrow'
       lowerCAmelCase__	      =   'prefix_path'
       with pytest.raises(lowerCAmelCase__      ):
              lowerCAmelCase__	      =   make_file_instructions(lowerCAmelCase__      ,    lowerCAmelCase__      ,    lowerCAmelCase__      ,    lowerCAmelCase__      ,    lowerCAmelCase__      )

def  __lowerCamelCase						(		lowerCAmelCase__      ,    lowerCAmelCase__      ,    lowerCAmelCase__      ):
       if hue < 0 or hue > 3_6_0:
              raise Exception('hue should be between 0 and 360'      )

       if saturation < 0 or saturation > 1:
              raise Exception('saturation should be between 0 and 1'      )

       if value < 0 or value > 1:
              raise Exception('value should be between 0 and 1'      )

       lowerCAmelCase__	      =   value * saturation
       lowerCAmelCase__	      =   hue / 6_0
       lowerCAmelCase__	      =   chroma * (1 - abs(hue_section % 2 - 1      ))
       lowerCAmelCase__	      =   value - chroma

       if hue_section >= 0 and hue_section <= 1:
              lowerCAmelCase__	      =   round(2_5_5 * (chroma + match_value)      )
              lowerCAmelCase__	      =   round(2_5_5 * (second_largest_component + match_value)      )
              lowerCAmelCase__	      =   round(2_5_5 * (match_value)      )
       elif hue_section > 1 and hue_section <= 2:
              lowerCAmelCase__	      =   round(2_5_5 * (second_largest_component + match_value)      )
              lowerCAmelCase__	      =   round(2_5_5 * (chroma + match_value)      )
              lowerCAmelCase__	      =   round(2_5_5 * (match_value)      )
       elif hue_section > 2 and hue_section <= 3:
              lowerCAmelCase__	      =   round(2_5_5 * (match_value)      )
              lowerCAmelCase__	      =   round(2_5_5 * (chroma + match_value)      )
              lowerCAmelCase__	      =   round(2_5_5 * (second_largest_component + match_value)      )
       elif hue_section > 3 and hue_section <= 4:
              lowerCAmelCase__	      =   round(2_5_5 * (match_value)      )
              lowerCAmelCase__	      =   round(2_5_5 * (second_largest_component + match_value)      )
              lowerCAmelCase__	      =   round(2_5_5 * (chroma + match_value)      )
       elif hue_section > 4 and hue_section <= 5:
              lowerCAmelCase__	      =   round(2_5_5 * (second_largest_component + match_value)      )
              lowerCAmelCase__	      =   round(2_5_5 * (match_value)      )
              lowerCAmelCase__	      =   round(2_5_5 * (chroma + match_value)      )
       else:
              lowerCAmelCase__	      =   round(2_5_5 * (chroma + match_value)      )
              lowerCAmelCase__	      =   round(2_5_5 * (match_value)      )
              lowerCAmelCase__	      =   round(2_5_5 * (second_largest_component + match_value)      )

       return [red, green, blue]






def  __lowerCamelCase						(		lowerCAmelCase__      ,    lowerCAmelCase__      ,    lowerCAmelCase__      ):
       if red < 0 or red > 2_5_5:
              raise Exception('red should be between 0 and 255'      )

       if green < 0 or green > 2_5_5:
              raise Exception('green should be between 0 and 255'      )

       if blue < 0 or blue > 2_5_5:
              raise Exception('blue should be between 0 and 255'      )

       lowerCAmelCase__	      =   red / 2_5_5
       lowerCAmelCase__	      =   green / 2_5_5
       lowerCAmelCase__	      =   blue / 2_5_5
       lowerCAmelCase__	      =   max(lowerCAmelCase__      ,    lowerCAmelCase__      ,    lowerCAmelCase__      )
       lowerCAmelCase__	      =   value - min(lowerCAmelCase__      ,    lowerCAmelCase__      ,    lowerCAmelCase__      )
       lowerCAmelCase__	      =   0 if value == 0 else chroma / value

       if chroma == 0:
              lowerCAmelCase__	      =   0.0
       elif value == float_red:
              lowerCAmelCase__	      =   6_0 * (0 + (float_green - float_blue) / chroma)
       elif value == float_green:
              lowerCAmelCase__	      =   6_0 * (2 + (float_blue - float_red) / chroma)
       else:
              lowerCAmelCase__	      =   6_0 * (4 + (float_red - float_green) / chroma)

       lowerCAmelCase__	      =   (hue + 3_6_0) % 3_6_0

       return [hue, saturation, value]






def  __lowerCamelCase						(		lowerCAmelCase__      ,    lowerCAmelCase__      ):
       lowerCAmelCase__	      =   abs(hsv_a[0] - hsv_a[0]      ) < 0.2
       lowerCAmelCase__	      =   abs(hsv_a[1] - hsv_a[1]      ) < 0.0_0_2
       lowerCAmelCase__	      =   abs(hsv_a[2] - hsv_a[2]      ) < 0.0_0_2

       return check_hue and check_saturation and check_value
