




'''simple docstring'''


def 	snake_case_					():





							'''simple docstring'''


							return [list(range(1000 - i				,		-1000 - i				,		-1   )   ) for i in range(1000   )]


_snake_case   :   Union[str, Any]     							=	generate_large_matrix()
_snake_case   :   Union[str, Any]     							=	(
    [[4, 3, 2, -1], [3, 2, 1, -1], [1, 1, -1, -2], [-1, -1, -2, -3]],
    [[3, 2], [1, 0]],
    [[7, 7, 6]],
    [[7, 7, 6], [-1, -2, -3]],
    grid,
)
def 	snake_case_					(UpperCamelCase :						list[list[int]]   ):





							'''simple docstring'''


							assert all(row == sorted(UpperCamelCase				,		reverse=UpperCamelCase   ) for row in grid   )
							assert all(list(UpperCamelCase   ) == sorted(UpperCamelCase				,		reverse=UpperCamelCase   ) for col in zip(*UpperCamelCase   )   )
def 	snake_case_					(UpperCamelCase :						list[int]   ):





							'''simple docstring'''


							_a			  =       0
							_a			  =       len(UpperCamelCase   ) - 1

							# Edge cases such as no values or all numbers are negative.
							if not array or array[0] < 0:
														return 0

							while right + 1 > left:
														_a			  =       (left + right) // 2
														_a			  =       array[mid]

														# Num must be negative and the index must be greater than or equal to 0.
														if num < 0 and array[mid - 1] >= 0:
																					return mid

														if num >= 0:
																					_a			  =       mid + 1
														else:
																					_a			  =       mid - 1
    # No negative numbers so return the last index of the array + 1 which is the length.
							return len(UpperCamelCase   )
def 	snake_case_					(UpperCamelCase :						list[list[int]]   ):





							'''simple docstring'''


							_a			  =       0
							_a			  =       len(grid[0]   )

							for i in range(len(UpperCamelCase   )   ):
														_a			  =       find_negative_index(grid[i][:bound]   )
														total += bound
							return (len(UpperCamelCase   ) * len(grid[0]   )) - total
def 	snake_case_					(UpperCamelCase :						list[list[int]]   ):





							'''simple docstring'''


							return len([number for row in grid for number in row if number < 0]   )
def 	snake_case_					(UpperCamelCase :						list[list[int]]   ):





							'''simple docstring'''


							_a			  =       0
							for row in grid:
														for i, number in enumerate(UpperCamelCase   ):
																					if number < 0:
																												total += len(UpperCamelCase   ) - i
																												break
							return total
def 	snake_case_					():





							'''simple docstring'''


							from timeit import timeit

							print('''Running benchmarks'''   )
							_a			  =       (
							    '''from __main__ import count_negatives_binary_search, '''
							    '''count_negatives_brute_force, count_negatives_brute_force_with_break, grid'''
							)
							for func in (
							    "count_negatives_binary_search",  # took 0.7727 seconds
							    "count_negatives_brute_force_with_break",  # took 4.6505 seconds
							    "count_negatives_brute_force",  # took 12.8160 seconds
							):
														_a			  =       timeit(f'{func}(grid=grid)'				,		setup=UpperCamelCase				,		number=500   )
														print(f'{func}() took {time:0.4f} seconds'   )


if __name__ == "__main__":
				import doctest

				doctest.testmod()
				benchmark()







'''simple docstring'''


import copy
import os
import tempfile
from unittest import TestCase
from unittest.mock import patch

import numpy as np
import pyarrow as pa
import pyarrow.parquet as pq
import pytest

from datasets.arrow_writer import ArrowWriter, OptimizedTypedSequence, ParquetWriter, TypedSequence
from datasets.features import ArrayaD, ClassLabel, Features, Image, Value
from datasets.features.features import ArrayaDExtensionType, cast_to_python_objects
from datasets.keyhash import DuplicatedKeysError, InvalidKeyError

from .utils import require_pil

class     A					(	_a					):







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


														"""simple docstring"""


														_a			  =       pa.array(TypedSequence([1, 2, 3]      )      )
														self.assertEqual(arr.type							,    pa.intaa()      )







							def      __lowerCAmelCase    (						self :						List[str]      )    ->							str:


														"""simple docstring"""


														with self.assertRaises(lowerCAmelCase_      ):
																					_a			  =       pa.array(TypedSequence([1, 2, 3]      )							,    type=pa.intaa()      )







							def      __lowerCAmelCase    (						self :						Dict      )    ->							Dict:


														"""simple docstring"""


														with self.assertRaises(lowerCAmelCase_      ):
																					_a			  =       pa.array(TypedSequence([1, 2, 3]							,    try_type=Value('''bool'''      )							,    type=Value('''int64'''      )      )      )







							def      __lowerCAmelCase    (						self :						List[str]      )    ->							Optional[Any]:


														"""simple docstring"""


														_a			  =       pa.array(TypedSequence([1, 2, 3]							,    type=Value('''int32'''      )      )      )
														self.assertEqual(arr.type							,    pa.intaa()      )







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


														"""simple docstring"""


														with self.assertRaises((TypeError, pa.lib.ArrowInvalid)      ):
																					_a			  =       pa.array(TypedSequence(['''foo''', '''bar''']							,    type=Value('''int64'''      )      )      )







							def      __lowerCAmelCase    (						self :						Tuple      )    ->							List[Any]:


														"""simple docstring"""


														_a			  =       pa.array(TypedSequence([1, 2, 3]							,    try_type=Value('''int32'''      )      )      )
														self.assertEqual(arr.type							,    pa.intaa()      )







							def      __lowerCAmelCase    (						self :						Any      )    ->							Tuple:


														"""simple docstring"""


														_a			  =       pa.array(TypedSequence(['''foo''', '''bar''']							,    try_type=Value('''int64'''      )      )      )
														self.assertEqual(arr.type							,    pa.string()      )







							def      __lowerCAmelCase    (						self :						List[Any]      )    ->							str:


														"""simple docstring"""


														_a			  =       pa.array(TypedSequence([[[1, 2, 3]]]							,    type=ArrayaD((1, 3)							,    '''int64'''      )      )      )
														self.assertEqual(arr.type							,    ArrayaDExtensionType((1, 3)							,    '''int64'''      )      )







							def      __lowerCAmelCase    (						self :						Optional[Any]      )    ->							Optional[int]:


														"""simple docstring"""


														with self.assertRaises((TypeError, pa.lib.ArrowInvalid)      ):
																					_a			  =       pa.array(TypedSequence(['''foo''', '''bar''']							,    type=ArrayaD((1, 3)							,    '''int64'''      )      )      )







							def      __lowerCAmelCase    (						self :						Tuple      )    ->							Tuple:


														"""simple docstring"""


														_a			  =       pa.array(TypedSequence([[[1, 2, 3]]]							,    try_type=ArrayaD((1, 3)							,    '''int64'''      )      )      )
														self.assertEqual(arr.type							,    ArrayaDExtensionType((1, 3)							,    '''int64'''      )      )







							def      __lowerCAmelCase    (						self :						List[str]      )    ->							Any:


														"""simple docstring"""


														_a			  =       pa.array(TypedSequence(['''foo''', '''bar''']							,    try_type=ArrayaD((1, 3)							,    '''int64'''      )      )      )
														self.assertEqual(arr.type							,    pa.string()      )







							@require_pil
							def      __lowerCAmelCase    (						self :						Tuple      )    ->							List[Any]:


														"""simple docstring"""


														import PIL.Image

														_a			  =       PIL.Image.fromarray(np.arange(10							,    dtype=np.uinta      ).reshape(2							,    5      )      )
														with patch(
														    '''datasets.arrow_writer.cast_to_python_objects'''							,    side_effect=lowerCAmelCase_      ) as mock_cast_to_python_objects:
																					_a			  =       pa.array(TypedSequence([{'''path''': None, '''bytes''': B'''image_bytes'''}, pil_image]							,    type=Image()      )      )
																					_a  ,							_a			  =       mock_cast_to_python_objects.call_args_list[-1]
																					self.assertIn('''optimize_list_casting'''							,    lowerCAmelCase_      )
																					self.assertFalse(kwargs['''optimize_list_casting''']      )



def 	snake_case_					(UpperCamelCase :						Union[str, Any]				,		UpperCamelCase :						int   ):





							'''simple docstring'''


							_a			  =       pa.BufferReader(UpperCamelCase   ) if isinstance(UpperCamelCase				,		pa.Buffer   ) else pa.memory_map(UpperCamelCase   )
							_a			  =       pa.ipc.open_stream(UpperCamelCase   )
							_a			  =       f.read_all()
							assert len(pa_table.to_batches()   ) == expected_num_chunks
							assert pa_table.to_pydict() == {"col_1": ["foo", "bar"], "col_2": [1, 2]}
							del pa_table
@pytest.mark.parametrize('''writer_batch_size'''				,		[None, 1, 10]   )
@pytest.mark.parametrize(
    '''fields'''				,		[None, {'''col_1''': pa.string(), '''col_2''': pa.intaa()}, {'''col_1''': pa.string(), '''col_2''': pa.intaa()}]   )
def 	snake_case_					(UpperCamelCase :						Dict				,		UpperCamelCase :						str   ):





							'''simple docstring'''


							_a			  =       pa.BufferOutputStream()
							_a			  =       pa.schema(UpperCamelCase   ) if fields else None
							with ArrowWriter(stream=UpperCamelCase				,		schema=UpperCamelCase				,		writer_batch_size=UpperCamelCase   ) as writer:
														writer.write({'''col_1''': '''foo''', '''col_2''': 1}   )
														writer.write({'''col_1''': '''bar''', '''col_2''': 2}   )
														_a  ,							_a			  =       writer.finalize()
							assert num_examples == 2
							assert num_bytes > 0
							if not fields:
														_a			  =       {'''col_1''': pa.string(), '''col_2''': pa.intaa()}
							assert writer._schema == pa.schema(UpperCamelCase				,		metadata=writer._schema.metadata   )
							_check_output(output.getvalue()				,		expected_num_chunks=num_examples if writer_batch_size == 1 else 1   )
def 	snake_case_					():





							'''simple docstring'''


							_a			  =       pa.BufferOutputStream()
							_a			  =       Features({'''labels''': ClassLabel(names=['''neg''', '''pos''']   )}   )
							with ArrowWriter(stream=UpperCamelCase				,		features=UpperCamelCase   ) as writer:
														writer.write({'''labels''': 0}   )
														writer.write({'''labels''': 1}   )
														_a  ,							_a			  =       writer.finalize()
							assert num_examples == 2
							assert num_bytes > 0
							assert writer._schema == features.arrow_schema
							assert writer._schema.metadata == features.arrow_schema.metadata
							_a			  =       pa.BufferReader(output.getvalue()   )
							_a			  =       pa.ipc.open_stream(UpperCamelCase   )
							_a			  =       f.read_all()
							_a			  =       pa_table.schema
							assert pa_table.num_rows == 2
							assert schema == features.arrow_schema
							assert schema.metadata == features.arrow_schema.metadata
							assert features == Features.from_arrow_schema(UpperCamelCase   )
@pytest.mark.parametrize('''writer_batch_size'''				,		[None, 1, 10]   )
def 	snake_case_					(UpperCamelCase :						Any   ):





							'''simple docstring'''


							_a			  =       pa.BufferOutputStream()
							with ArrowWriter(
							    stream=UpperCamelCase				,		writer_batch_size=UpperCamelCase				,		hash_salt='''split_name'''				,		check_duplicates=UpperCamelCase				,		) as writer:
														with pytest.raises(UpperCamelCase   ):
																					writer.write({'''col_1''': '''foo''', '''col_2''': 1}				,		key=[1, 2]   )
																					_a  ,							_a			  =       writer.finalize()
@pytest.mark.parametrize('''writer_batch_size'''				,		[None, 2, 10]   )
def 	snake_case_					(UpperCamelCase :						Any   ):





							'''simple docstring'''


							_a			  =       pa.BufferOutputStream()
							with ArrowWriter(
							    stream=UpperCamelCase				,		writer_batch_size=UpperCamelCase				,		hash_salt='''split_name'''				,		check_duplicates=UpperCamelCase				,		) as writer:
														with pytest.raises(UpperCamelCase   ):
																					writer.write({'''col_1''': '''foo''', '''col_2''': 1}				,		key=10   )
																					writer.write({'''col_1''': '''bar''', '''col_2''': 2}				,		key=10   )
																					_a  ,							_a			  =       writer.finalize()
@pytest.mark.parametrize('''writer_batch_size'''				,		[None, 2, 10]   )
def 	snake_case_					(UpperCamelCase :						int   ):





							'''simple docstring'''


							_a			  =       pa.BufferOutputStream()
							with ArrowWriter(
							    stream=UpperCamelCase				,		writer_batch_size=UpperCamelCase				,		hash_salt='''split_name'''				,		check_duplicates=UpperCamelCase				,		) as writer:
														writer.write({'''col_1''': '''foo''', '''col_2''': 1}				,		key=1   )
														writer.write({'''col_1''': '''bar''', '''col_2''': 2}				,		key=2   )
														_a  ,							_a			  =       writer.finalize()
							assert num_examples == 2
							assert num_bytes > 0
							_check_output(output.getvalue()				,		expected_num_chunks=num_examples if writer_batch_size == 1 else 1   )
@pytest.mark.parametrize('''writer_batch_size'''				,		[None, 1, 10]   )
@pytest.mark.parametrize(
    '''fields'''				,		[None, {'''col_1''': pa.string(), '''col_2''': pa.intaa()}, {'''col_1''': pa.string(), '''col_2''': pa.intaa()}]   )
def 	snake_case_					(UpperCamelCase :						Dict				,		UpperCamelCase :						List[str]   ):





							'''simple docstring'''


							_a			  =       pa.BufferOutputStream()
							_a			  =       pa.schema(UpperCamelCase   ) if fields else None
							with ArrowWriter(stream=UpperCamelCase				,		schema=UpperCamelCase				,		writer_batch_size=UpperCamelCase   ) as writer:
														writer.write_batch({'''col_1''': ['''foo''', '''bar'''], '''col_2''': [1, 2]}   )
														writer.write_batch({'''col_1''': [], '''col_2''': []}   )
														_a  ,							_a			  =       writer.finalize()
							assert num_examples == 2
							assert num_bytes > 0
							if not fields:
														_a			  =       {'''col_1''': pa.string(), '''col_2''': pa.intaa()}
							assert writer._schema == pa.schema(UpperCamelCase				,		metadata=writer._schema.metadata   )
							_check_output(output.getvalue()				,		expected_num_chunks=num_examples if writer_batch_size == 1 else 1   )
@pytest.mark.parametrize('''writer_batch_size'''				,		[None, 1, 10]   )
@pytest.mark.parametrize(
    '''fields'''				,		[None, {'''col_1''': pa.string(), '''col_2''': pa.intaa()}, {'''col_1''': pa.string(), '''col_2''': pa.intaa()}]   )
def 	snake_case_					(UpperCamelCase :						Any				,		UpperCamelCase :						Any   ):





							'''simple docstring'''


							_a			  =       pa.BufferOutputStream()
							_a			  =       pa.schema(UpperCamelCase   ) if fields else None
							with ArrowWriter(stream=UpperCamelCase				,		schema=UpperCamelCase				,		writer_batch_size=UpperCamelCase   ) as writer:
														writer.write_table(pa.Table.from_pydict({'''col_1''': ['''foo''', '''bar'''], '''col_2''': [1, 2]}   )   )
														_a  ,							_a			  =       writer.finalize()
							assert num_examples == 2
							assert num_bytes > 0
							if not fields:
														_a			  =       {'''col_1''': pa.string(), '''col_2''': pa.intaa()}
							assert writer._schema == pa.schema(UpperCamelCase				,		metadata=writer._schema.metadata   )
							_check_output(output.getvalue()				,		expected_num_chunks=num_examples if writer_batch_size == 1 else 1   )
@pytest.mark.parametrize('''writer_batch_size'''				,		[None, 1, 10]   )
@pytest.mark.parametrize(
    '''fields'''				,		[None, {'''col_1''': pa.string(), '''col_2''': pa.intaa()}, {'''col_1''': pa.string(), '''col_2''': pa.intaa()}]   )
def 	snake_case_					(UpperCamelCase :						int				,		UpperCamelCase :						Optional[int]   ):





							'''simple docstring'''


							_a			  =       pa.BufferOutputStream()
							_a			  =       pa.schema(UpperCamelCase   ) if fields else None
							with ArrowWriter(stream=UpperCamelCase				,		schema=UpperCamelCase				,		writer_batch_size=UpperCamelCase   ) as writer:
														writer.write_row(pa.Table.from_pydict({'''col_1''': ['''foo'''], '''col_2''': [1]}   )   )
														writer.write_row(pa.Table.from_pydict({'''col_1''': ['''bar'''], '''col_2''': [2]}   )   )
														_a  ,							_a			  =       writer.finalize()
							assert num_examples == 2
							assert num_bytes > 0
							if not fields:
														_a			  =       {'''col_1''': pa.string(), '''col_2''': pa.intaa()}
							assert writer._schema == pa.schema(UpperCamelCase				,		metadata=writer._schema.metadata   )
							_check_output(output.getvalue()				,		expected_num_chunks=num_examples if writer_batch_size == 1 else 1   )
def 	snake_case_					():





							'''simple docstring'''


							with tempfile.TemporaryDirectory() as tmp_dir:
														_a			  =       {'''col_1''': pa.string(), '''col_2''': pa.intaa()}
														_a			  =       os.path.join(UpperCamelCase				,		'''test.arrow'''   )
														with ArrowWriter(path=UpperCamelCase				,		schema=pa.schema(UpperCamelCase   )   ) as writer:
																					writer.write_batch({'''col_1''': ['''foo''', '''bar'''], '''col_2''': [1, 2]}   )
																					_a  ,							_a			  =       writer.finalize()
														assert num_examples == 2
														assert num_bytes > 0
														assert writer._schema == pa.schema(UpperCamelCase				,		metadata=writer._schema.metadata   )
														_check_output(UpperCamelCase				,		1   )
def 	snake_case_					(UpperCamelCase :						List[str]   ):





							'''simple docstring'''


							if pa.types.is_list(UpperCamelCase   ):
														return get_base_dtype(arr_type.value_type   )
							else:
														return arr_type
def 	snake_case_					(UpperCamelCase :						Optional[int]				,		UpperCamelCase :						Any   ):





							'''simple docstring'''


							if isinstance(lst[0]				,		UpperCamelCase   ):
														change_first_primitive_element_in_list(lst[0]				,		UpperCamelCase   )
							else:
														_a			  =       value
@pytest.mark.parametrize('''optimized_int_type, expected_dtype'''				,		[(None, pa.intaa()), (Value('''int32'''   ), pa.intaa())]   )
@pytest.mark.parametrize('''sequence'''				,		[[1, 2, 3], [[1, 2, 3]], [[[1, 2, 3]]]]   )
def 	snake_case_					(UpperCamelCase :						int				,		UpperCamelCase :						Tuple				,		UpperCamelCase :						Optional[int]   ):





							'''simple docstring'''


							_a			  =       pa.array(TypedSequence(UpperCamelCase				,		optimized_int_type=UpperCamelCase   )   )
							assert get_base_dtype(arr.type   ) == expected_dtype
@pytest.mark.parametrize(
    '''col, expected_dtype'''				,		[
        ('''attention_mask''', pa.inta()),
        ('''special_tokens_mask''', pa.inta()),
        ('''token_type_ids''', pa.inta()),
        ('''input_ids''', pa.intaa()),
        ('''other''', pa.intaa()),
    ]				,		)
@pytest.mark.parametrize('''sequence'''				,		[[1, 2, 3], [[1, 2, 3]], [[[1, 2, 3]]]]   )
def 	snake_case_					(UpperCamelCase :						List[Any]				,		UpperCamelCase :						str				,		UpperCamelCase :						List[Any]   ):





							'''simple docstring'''


							_a			  =       pa.array(OptimizedTypedSequence(UpperCamelCase				,		col=UpperCamelCase   )   )
							assert get_base_dtype(arr.type   ) == expected_dtype

							# not in range
							if col != "other":
														# avoids errors due to in-place modifications
														_a			  =       copy.deepcopy(UpperCamelCase   )
														_a			  =       np.iinfo(expected_dtype.to_pandas_dtype()   ).max + 1
														change_first_primitive_element_in_list(UpperCamelCase				,		UpperCamelCase   )
														_a			  =       pa.array(OptimizedTypedSequence(UpperCamelCase				,		col=UpperCamelCase   )   )
														assert get_base_dtype(arr.type   ) == pa.intaa()
@pytest.mark.parametrize('''raise_exception'''				,		[False, True]   )
def 	snake_case_					(UpperCamelCase :						Optional[Any]				,		UpperCamelCase :						Optional[Any]   ):





							'''simple docstring'''


							_a			  =       str(tmp_path / '''dataset-train.arrow'''   )
							try:
														with ArrowWriter(path=UpperCamelCase   ) as writer:
																					if raise_exception:
																												raise pa.lib.ArrowInvalid()
																					else:
																												writer.stream.close()
							except pa.lib.ArrowInvalid:
														pass
							finally:
														assert writer.stream.closed
def 	snake_case_					(UpperCamelCase :						List[Any]   ):





							'''simple docstring'''


							_a			  =       '''mock://dataset-train.arrow'''
							with ArrowWriter(path=UpperCamelCase				,		storage_options=mockfs.storage_options   ) as writer:
														assert isinstance(writer._fs				,		type(UpperCamelCase   )   )
														assert writer._fs.storage_options == mockfs.storage_options
														writer.write({'''col_1''': '''foo''', '''col_2''': 1}   )
														writer.write({'''col_1''': '''bar''', '''col_2''': 2}   )
														_a  ,							_a			  =       writer.finalize()
							assert num_examples == 2
							assert num_bytes > 0
							assert mockfs.exists(UpperCamelCase   )
def 	snake_case_					():





							'''simple docstring'''


							_a			  =       pa.BufferOutputStream()
							with ParquetWriter(stream=UpperCamelCase   ) as writer:
														writer.write({'''col_1''': '''foo''', '''col_2''': 1}   )
														writer.write({'''col_1''': '''bar''', '''col_2''': 2}   )
														_a  ,							_a			  =       writer.finalize()
							assert num_examples == 2
							assert num_bytes > 0
							_a			  =       pa.BufferReader(output.getvalue()   )
							_a			  =       pq.read_table(UpperCamelCase   )
							assert pa_table.to_pydict() == {"col_1": ["foo", "bar"], "col_2": [1, 2]}
@require_pil
@pytest.mark.parametrize('''embed_local_files'''				,		[False, True]   )
def 	snake_case_					(UpperCamelCase :						List[Any]				,		UpperCamelCase :						List[Any]   ):





							'''simple docstring'''


							import PIL.Image

							_a			  =       str(tmp_path / '''test_image_rgb.jpg'''   )
							PIL.Image.fromarray(np.zeros((5, 5)				,		dtype=np.uinta   )   ).save(UpperCamelCase				,		format='''png'''   )
							_a			  =       pa.BufferOutputStream()
							with ParquetWriter(
							    stream=UpperCamelCase				,		features=Features({'''image''': Image()}   )				,		embed_local_files=UpperCamelCase   ) as writer:
														writer.write({'''image''': image_path}   )
														writer.finalize()
							_a			  =       pa.BufferReader(output.getvalue()   )
							_a			  =       pq.read_table(UpperCamelCase   )
							_a			  =       pa_table.to_pydict()
							if embed_local_files:
														assert isinstance(out['''image'''][0]['''path''']				,		UpperCamelCase   )
														with open(UpperCamelCase				,		'''rb'''   ) as f:
																					assert out["image"][0]["bytes"] == f.read()
							else:
														assert out["image"][0]["path"] == image_path
														assert out["image"][0]["bytes"] is None

def 	snake_case_					():





							'''simple docstring'''


							_a			  =       pa.schema([pa.field('''col_1'''				,		pa.string()				,		nullable=UpperCamelCase   )]   )
							_a			  =       pa.BufferOutputStream()
							with ArrowWriter(stream=UpperCamelCase   ) as writer:
														writer._build_writer(inferred_schema=UpperCamelCase   )
														assert writer._schema == pa.schema([pa.field('''col_1'''				,		pa.string()   )]   )

