




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


class 				__SCREAMING_SNAKE_CASE							:
					_lowerCamelCase		  = """block_{0}.dat"""

					def __init__(				self ,       __lowercase					):







						'''simple docstring'''




						lowerCamelCase_							:		Dict							   =							filename
						lowerCamelCase_							:		Dict							   =							[]

					def 	lowercase_							(				self ,       __lowercase ,       __lowercase					):







						'''simple docstring'''




						lowerCamelCase_							:		str							   =							self.BLOCK_FILENAME_FORMAT.format(__lowercase					)
						with open(__lowercase ,       'w'					) as file:
							file.write(__lowercase					)
						self.block_filenames.append(__lowercase					)

					def 	lowercase_							(				self					):







						'''simple docstring'''




						return self.block_filenames

					def 	lowercase_							(				self ,       __lowercase ,       __lowercase=None					):







						'''simple docstring'''




						lowerCamelCase_							:		Tuple							   =							0
						with open(self.filename					) as file:
							while True:
								lowerCamelCase_							:		int							   =							file.readlines(__lowercase					)

								if lines == []:
									break

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

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





					def 	lowercase_							(				self					):







						'''simple docstring'''




						map(os.remove ,       self.block_filenames					)


class 				__SCREAMING_SNAKE_CASE							:

					def 	lowercase_							(				self ,       __lowercase					):







						'''simple docstring'''




						lowerCamelCase_							:		List[str]							   =							-1
						lowerCamelCase_							:		Tuple							   =							None

						for i in range(len(__lowercase					)					):
							if min_str is None or choices[i] < min_str:
								lowerCamelCase_							:		str							   =							i

						return min_index


class 				__SCREAMING_SNAKE_CASE							:

					def __init__(				self ,       __lowercase					):







						'''simple docstring'''




						lowerCamelCase_							:		List[str]							   =							files
						lowerCamelCase_							:		Union[str, Any]							   =							set()
						lowerCamelCase_							:		Optional[int]							   =							len(__lowercase					)
						lowerCamelCase_							:		Any							   =							{i: None for i in range(self.num_buffers					)}

					def 	lowercase_							(				self					):







						'''simple docstring'''




						return {
						    i: self.buffers[i] for i in range(self.num_buffers					) if i not in self.empty
						}

					def 	lowercase_							(				self					):







						'''simple docstring'''




						for i in range(self.num_buffers					):
							if self.buffers[i] is None and i not in self.empty:
								lowerCamelCase_							:		Optional[int]							   =							self.files[i].readline()

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

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

						return True





					def 	lowercase_							(				self ,       __lowercase					):







						'''simple docstring'''




						lowerCamelCase_							:		Optional[int]							   =							self.buffers[index]
						lowerCamelCase_							:		Optional[Any]							   =							None

						return value


class 				__SCREAMING_SNAKE_CASE							:

					def __init__(				self ,       __lowercase					):







						'''simple docstring'''




						lowerCamelCase_							:		Union[str, Any]							   =							merge_strategy

					def 	lowercase_							(				self ,       __lowercase ,       __lowercase ,       __lowercase					):







						'''simple docstring'''




						lowerCamelCase_							:		List[str]							   =							FilesArray(self.get_file_handles(__lowercase ,       __lowercase					)					)
						with open(__lowercase ,       'w' ,       __lowercase					) as outfile:
							while buffers.refresh():
								lowerCamelCase_							:		Optional[Any]							   =							self.merge_strategy.select(buffers.get_dict()					)
								outfile.write(buffers.unshift(__lowercase					)					)





					def 	lowercase_							(				self ,       __lowercase ,       __lowercase					):







						'''simple docstring'''




						lowerCamelCase_							:		List[Any]							   =							{}

						for i in range(len(__lowercase					)					):
							lowerCamelCase_							:		Optional[int]							   =							open(filenames[i] ,       'r' ,       __lowercase					)  # noqa: UP015

						return files


class 				__SCREAMING_SNAKE_CASE							:

					def __init__(				self ,       __lowercase					):







						'''simple docstring'''




						lowerCamelCase_							:		Any							   =							block_size

					def 	lowercase_							(				self ,       __lowercase ,       __lowercase=None					):







						'''simple docstring'''




						lowerCamelCase_							:		Optional[int]							   =							self.get_number_blocks(__lowercase ,       self.block_size					)
						lowerCamelCase_							:		List[str]							   =							FileSplitter(__lowercase					)
						splitter.split(self.block_size ,       __lowercase					)

						lowerCamelCase_							:		Union[str, Any]							   =							FileMerger(NWayMerge()					)
						lowerCamelCase_							:		Dict							   =							self.block_size / (num_blocks + 1)
						merger.merge(splitter.get_block_filenames() ,       filename + '.out' ,       __lowercase					)

						splitter.cleanup()





					def 	lowercase_							(				self ,       __lowercase ,       __lowercase					):







						'''simple docstring'''




						return (os.stat(__lowercase					).st_size / block_size) + 1






def 					snake_case					(							A			)							->							List[Any]:




	'''simple docstring'''


	if string[-1].lower() == "k":
		return int(string[:-1]			) * 1024
	elif string[-1].lower() == "m":
		return int(string[:-1]			) * 1024 * 1024
	elif string[-1].lower() == "g":
		return int(string[:-1]			) * 1024 * 1024 * 1024
	else:
		return int(A			)






def 					snake_case					(							)							->							List[Any]:




	'''simple docstring'''


	lowerCamelCase_							:		Optional[Any]							   =							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'			)
	lowerCamelCase_							:		List[Any]							   =							parser.parse_args()

	lowerCamelCase_							:		Optional[int]							   =							ExternalSort(parse_memory(args.mem			)			)
	sorter.sort(args.filename[0]			)


if __name__ == "__main__":
							main()








"""simple docstring"""







import math
from decimal import Decimal, getcontext





def 						lowercase__(A = 4_000_000						)				->int:




						"""simple docstring"""



						try:
												lowercase__				:      int=       int(A						)
						except (TypeError, ValueError):
												raise TypeError("Parameter n must be int or castable to int."						)
						if n <= 0:
												raise ValueError("Parameter n must be greater than or equal to one."						)
						lowercase__				:      Dict=       100
						lowercase__				:      Optional[Any]=       (Decimal(5						) ** Decimal(0.5						) + 1) / Decimal(2						)

						lowercase__				:      str=       (math.floor(math.log(n * (phi + 2)					,		A						) - 1						) // 3) * 3 + 2
						lowercase__				:      Optional[Any]=       Decimal(round(phi ** Decimal(index + 1						)						)						) / (phi + 2)
						lowercase__				:      Tuple=       num // 2
						return int(A						)


if __name__ == "__main__":
			print(F"""{solution() = }""")






