





import enum
import os
from hashlib import shaaaa
from typing import Optional

from .. import config
from .logging import get_logger


A    :					str =      get_logger(__name__)


class   A			(enum.Enum    ):
			'''simple docstring'''




			__lowerCamelCase	:       List[Any]							=    '''all_checks'''
			__lowerCamelCase	:       Optional[int]							=    '''basic_checks'''
			__lowerCamelCase	:       Any							=    '''no_checks'''


class   A			(SCREAMING_SNAKE_CASE    ):
			'''simple docstring'''






class   A			(SCREAMING_SNAKE_CASE    ):
			'''simple docstring'''






class   A			(SCREAMING_SNAKE_CASE    ):
			'''simple docstring'''






class   A			(SCREAMING_SNAKE_CASE    ):
			'''simple docstring'''











def    __lowerCamelCase					(							__a   :Optional[dict]    ,     __a   :dict    ,     __a   :int=None    )		->				Optional[Any]:






		"""simple docstring"""

		if expected_checksums is None:
				logger.info("""Unable to verify checksums."""    )
				return
		if len(set(__a    ) - set(__a    )    ) > 0:
				raise ExpectedMoreDownloadedFiles(str(set(__a    ) - set(__a    )    )    )
		if len(set(__a    ) - set(__a    )    ) > 0:
				raise UnexpectedDownloadedFile(str(set(__a    ) - set(__a    )    )    )
		A__        =   [url for url in expected_checksums if expected_checksums[url] != recorded_checksums[url]]
		A__        =   """ for """ + verification_name if verification_name is not None else """"""
		if len(__a    ) > 0:
				raise NonMatchingChecksumError(
				    F'Checksums didn\'t match{for_verification_name}:\n'
				    F'{bad_urls}\n'
				    """Set `verification_mode='no_checks'` to skip checksums verification and ignore this error"""    )
		logger.info("""All the checksums matched successfully""" + for_verification_name    )


class   A			(SCREAMING_SNAKE_CASE    ):
			'''simple docstring'''






class   A			(SCREAMING_SNAKE_CASE    ):
			'''simple docstring'''






class   A			(SCREAMING_SNAKE_CASE    ):
			'''simple docstring'''






class   A			(SCREAMING_SNAKE_CASE    ):
			'''simple docstring'''











def    __lowerCamelCase					(							__a   :Optional[dict]    ,     __a   :dict    )		->				List[str]:






		"""simple docstring"""

		if expected_splits is None:
				logger.info("""Unable to verify splits sizes."""    )
				return
		if len(set(__a    ) - set(__a    )    ) > 0:
				raise ExpectedMoreSplits(str(set(__a    ) - set(__a    )    )    )
		if len(set(__a    ) - set(__a    )    ) > 0:
				raise UnexpectedSplits(str(set(__a    ) - set(__a    )    )    )
		A__        =   [
		    {"""expected""": expected_splits[name], """recorded""": recorded_splits[name]}
		    for name in expected_splits
		    if expected_splits[name].num_examples != recorded_splits[name].num_examples
		]
		if len(__a    ) > 0:
				raise NonMatchingSplitsSizesError(str(__a    )    )
		logger.info("""All the splits matched successfully."""    )







def    __lowerCamelCase					(							__a   :str    ,     __a   :bool = True    )		->				dict:






		"""simple docstring"""

		if record_checksum:
				A__        =   shaaaa()
				with open(__a    ,     """rb"""    ) as f:
						for chunk in iter(lambda: f.read(1 << 2_0    )    ,     b""""""    ):
								m.update(__a    )
						A__        =   m.hexdigest()
		else:
				A__        =   None
		return {"num_bytes": os.path.getsize(__a    ), "checksum": checksum}







def    __lowerCamelCase					(							__a   :int    )		->				str:






		"""simple docstring"""

		if dataset_size and config.IN_MEMORY_MAX_SIZE:
				return dataset_size < config.IN_MEMORY_MAX_SIZE
		else:
				return False










from math import ceil







def    __lowerCamelCase					(							__a   :int = 1_0_0_1    )		->				int:






		"""simple docstring"""

		A__        =   1

		for i in range(1    ,     int(ceil(n / 2.0    )    )    ):
				A__        =   2 * i + 1
				A__        =   2 * i
				A__        =   total + 4 * odd**2 - 6 * even

		return total


if __name__ == "__main__":
					import sys

					if len(sys.argv) == 1:
										print(solution())
					else:
										try:
															A    :					List[str] =      int(sys.argv[1])
															print(solution(n))
										except ValueError:
															print('''Invalid entry - please enter a number''')



