
#
# Sort large text files in a minimum amount of memory
#
import argparse
import os
class 			lowercase__:



	"""simple docstring"""




	a      :Optional[Any]   					=     'block_{0}.dat'
	def __init__(	self  :      str	,							SCREAMING_SNAKE_CASE_  :      Any	)	->					Optional[Any]:
					lowercase_					  = filename
					lowercase_					  = []
	def 						_lowercase  (	self  :      List[Any]	,							SCREAMING_SNAKE_CASE_  :      int	,							SCREAMING_SNAKE_CASE_  :      Dict	)	->					Optional[Any]:
					lowercase_					  = self.BLOCK_FILENAME_FORMAT.format(SCREAMING_SNAKE_CASE_	)
					with open(SCREAMING_SNAKE_CASE_	,							'''w'''	) as file:
									file.write(SCREAMING_SNAKE_CASE_	)
					self.block_filenames.append(SCREAMING_SNAKE_CASE_	)
	def 						_lowercase  (	self  :      List[str]	)	->					str:
					return self.block_filenames
	def 						_lowercase  (	self  :      int	,							SCREAMING_SNAKE_CASE_  :      Union[str, Any]	,							SCREAMING_SNAKE_CASE_  :      List[Any]=None	)	->					Union[str, Any]:
					lowercase_					  = 0
					with open(self.filename	) as file:
									while True:
													lowercase_					  = file.readlines(SCREAMING_SNAKE_CASE_	)

													if lines == []:
																	break

													if sort_key is None:
																	lines.sort()
													else:
																	lines.sort(key=SCREAMING_SNAKE_CASE_	)

													self.write_block(''''''.join(SCREAMING_SNAKE_CASE_	)	,							SCREAMING_SNAKE_CASE_	)
													i += 1




	def 						_lowercase  (	self  :      Union[str, Any]	)	->					List[str]:
					map(os.remove	,							self.block_filenames	)

class 			lowercase__:



	"""simple docstring"""




	def 						_lowercase  (	self  :      Optional[Any]	,							SCREAMING_SNAKE_CASE_  :      Any	)	->					Tuple:
					lowercase_					  = -1
					lowercase_					  = None

					for i in range(len(SCREAMING_SNAKE_CASE_	)	):
									if min_str is None or choices[i] < min_str:
													lowercase_					  = i

					return min_index

class 			lowercase__:



	"""simple docstring"""




	def __init__(	self  :      Tuple	,							SCREAMING_SNAKE_CASE_  :      str	)	->					Any:
					lowercase_					  = files
					lowercase_					  = set()
					lowercase_					  = len(SCREAMING_SNAKE_CASE_	)
					lowercase_					  = {i: None for i in range(self.num_buffers	)}
	def 						_lowercase  (	self  :      Dict	)	->					int:
					return {
					    i: self.buffers[i] for i in range(self.num_buffers	) if i not in self.empty
					}
	def 						_lowercase  (	self  :      List[str]	)	->					Optional[int]:
					for i in range(self.num_buffers	):
									if self.buffers[i] is None and i not in self.empty:
													lowercase_					  = self.files[i].readline()

													if self.buffers[i] == "":
																	self.empty.add(SCREAMING_SNAKE_CASE_	)
																	self.files[i].close()

					if len(self.empty	) == self.num_buffers:
									return False

					return True




	def 						_lowercase  (	self  :      Optional[int]	,							SCREAMING_SNAKE_CASE_  :      List[Any]	)	->					Any:
					lowercase_					  = self.buffers[index]
					lowercase_					  = None

					return value

class 			lowercase__:



	"""simple docstring"""




	def __init__(	self  :      Union[str, Any]	,							SCREAMING_SNAKE_CASE_  :      int	)	->					int:
					lowercase_					  = merge_strategy
	def 						_lowercase  (	self  :      List[str]	,							SCREAMING_SNAKE_CASE_  :      List[str]	,							SCREAMING_SNAKE_CASE_  :      int	,							SCREAMING_SNAKE_CASE_  :      int	)	->					List[Any]:
					lowercase_					  = FilesArray(self.get_file_handles(SCREAMING_SNAKE_CASE_	,							SCREAMING_SNAKE_CASE_	)	)
					with open(SCREAMING_SNAKE_CASE_	,							'''w'''	,							SCREAMING_SNAKE_CASE_	) as outfile:
									while buffers.refresh():
													lowercase_					  = self.merge_strategy.select(buffers.get_dict()	)
													outfile.write(buffers.unshift(SCREAMING_SNAKE_CASE_	)	)




	def 						_lowercase  (	self  :      Tuple	,							SCREAMING_SNAKE_CASE_  :      int	,							SCREAMING_SNAKE_CASE_  :      Tuple	)	->					int:
					lowercase_					  = {}

					for i in range(len(SCREAMING_SNAKE_CASE_	)	):
									lowercase_					  = open(filenames[i]	,							'''r'''	,							SCREAMING_SNAKE_CASE_	)  # noqa: UP015

					return files

class 			lowercase__:



	"""simple docstring"""




	def __init__(	self  :      Any	,							SCREAMING_SNAKE_CASE_  :      Any	)	->					Dict:
					lowercase_					  = block_size
	def 						_lowercase  (	self  :      str	,							SCREAMING_SNAKE_CASE_  :      Any	,							SCREAMING_SNAKE_CASE_  :      str=None	)	->					str:
					lowercase_					  = self.get_number_blocks(SCREAMING_SNAKE_CASE_	,							self.block_size	)
					lowercase_					  = FileSplitter(SCREAMING_SNAKE_CASE_	)
					splitter.split(self.block_size	,							SCREAMING_SNAKE_CASE_	)

					lowercase_					  = FileMerger(NWayMerge()	)
					lowercase_					  = self.block_size / (num_blocks + 1)
					merger.merge(splitter.get_block_filenames()	,							filename + '''.out'''	,							SCREAMING_SNAKE_CASE_	)

					splitter.cleanup()




	def 						_lowercase  (	self  :      int	,							SCREAMING_SNAKE_CASE_  :      Union[str, Any]	,							SCREAMING_SNAKE_CASE_  :      Dict	)	->					List[str]:
					return (os.stat(SCREAMING_SNAKE_CASE_	).st_size / block_size) + 1




def     a						(							snake_case__: Union[str, Any] ):


				'''simple docstring'''
				if string[-1].lower() == "k":
								return int(string[:-1] ) * 1_024
				elif string[-1].lower() == "m":
								return int(string[:-1] ) * 1_024 * 1_024
				elif string[-1].lower() == "g":
								return int(string[:-1] ) * 1_024 * 1_024 * 1_024
				else:
								return int(snake_case__ )




def     a						(							):


				'''simple docstring'''
				lowercase_					  = argparse.ArgumentParser()
				parser.add_argument(
				    '''-m'''						,       '''--mem'''						,       help='''amount of memory to use for sorting'''						,       default='''100M''' )
				parser.add_argument(
				    '''filename'''						,       metavar='''<filename>'''						,       nargs=1						,       help='''name of file to sort''' )
				lowercase_					  = parser.parse_args()

				lowercase_					  = ExternalSort(parse_memory(args.mem ) )
				sorter.sort(args.filename[0] )


if __name__ == "__main__":
						main()






from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_tokenizers_available, is_torch_available


__a        = {
    'configuration_nystromformer': ['NYSTROMFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP', 'NystromformerConfig'],
}

try:
						if not is_torch_available():
												raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
						pass
else:
						__a        = [
						    'NYSTROMFORMER_PRETRAINED_MODEL_ARCHIVE_LIST',
						    'NystromformerForMaskedLM',
						    'NystromformerForMultipleChoice',
						    'NystromformerForQuestionAnswering',
						    'NystromformerForSequenceClassification',
						    'NystromformerForTokenClassification',
						    'NystromformerLayer',
						    'NystromformerModel',
						    'NystromformerPreTrainedModel',
						]


if TYPE_CHECKING:
						from .configuration_nystromformer import NYSTROMFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP, NystromformerConfig

						try:
												if not is_torch_available():
																		raise OptionalDependencyNotAvailable()
						except OptionalDependencyNotAvailable:
												pass
						else:
												from .modeling_nystromformer import (
												    NYSTROMFORMER_PRETRAINED_MODEL_ARCHIVE_LIST,
												    NystromformerForMaskedLM,
												    NystromformerForMultipleChoice,
												    NystromformerForQuestionAnswering,
												    NystromformerForSequenceClassification,
												    NystromformerForTokenClassification,
												    NystromformerLayer,
												    NystromformerModel,
												    NystromformerPreTrainedModel,
												)


else:
						import sys

						__a        = _LazyModule(__name__, globals()['__file__'], _import_structure, module_spec=__spec__)




