


"""simple docstring"""


from typing import Optional

import pyspark

from .. import Features, NamedSplit
from ..download import DownloadMode
from ..packaged_modules.spark.spark import Spark
from .abc import AbstractDatasetReader


class 			A__	(						_lowerCamelCase):


     """simple docstring"""

     def __init__(	self:						int     ,		__a:						List[str]     ,		__a:						Optional[Any] = None     ,		__a:						Any = None     ,		__a:						Tuple = True     ,		__a:						int = None     ,		__a:						Any = False     ,		__a:						int = None     ,		__a:						Dict = True     ,		__a:						Optional[Any] = "arrow"     ,		**__a:						Union[str, Any]     ,		)->    Optional[int]:
           super().__init__(
               split=A__     ,		features=A__     ,		cache_dir=A__     ,		keep_in_memory=A__     ,		streaming=A__     ,		**A__     ,		)
           lowerCamelCase					:					Dict        =	load_from_cache_file
           lowerCamelCase					:					Union[str, Any]        =	file_format
           lowerCamelCase					:					Tuple        =	Spark(
               df=A__     ,		features=A__     ,		cache_dir=A__     ,		working_dir=A__     ,		**A__     ,		)







     def 		a__						(	self:						Any	)->    Optional[int]:
           if self.streaming:
                 return self.builder.as_streaming_dataset(split=self.split	)
           lowerCamelCase					:					Union[str, Any]        =	None if self._load_from_cache_file else DownloadMode.FORCE_REDOWNLOAD
           self.builder.download_and_prepare(
               download_mode=A__     ,		file_format=self._file_format     ,		)
           return self.builder.as_dataset(split=self.split	)








"""simple docstring"""


import unittest

from knapsack import greedy_knapsack as kp


class 			A__	(						unittest.TestCase):


     """simple docstring"""

     def 		a__						(	self:						Optional[int]	)->    Union[str, Any]:
           lowerCamelCase					:					Tuple        =	[10, 20, 30, 40, 50, 60]
           lowerCamelCase					:					Union[str, Any]        =	[2, 4, 6, 8, 10, 12]
           lowerCamelCase					:					Union[str, Any]        =	100
           self.assertEqual(kp.calc_profit(__a     ,		__a     ,		__a	)     ,		210	)

     def 		a__						(	self:						str	)->    str:
           self.assertRaisesRegex(__a     ,		"""max_weight must greater than zero."""	)

     def 		a__						(	self:						str	)->    List[Any]:
           self.assertRaisesRegex(__a     ,		"""Weight can not be negative."""	)

     def 		a__						(	self:						Any	)->    Dict:
           self.assertRaisesRegex(__a     ,		"""Profit can not be negative."""	)

     def 		a__						(	self:						Optional[Any]	)->    List[Any]:
           self.assertRaisesRegex(__a     ,		"""max_weight must greater than zero."""	)







     def 		a__						(	self:						Optional[Any]	)->    Tuple:
           self.assertRaisesRegex(
               __a     ,		"""The length of profit and weight must be same."""	)


if __name__ == "__main__":
    unittest.main()




