


"""simple docstring"""






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






class     A:

		"""simple docstring"""





		A         =       "block_{0}.dat"
		def __init__(   self				,							SCREAMING_SNAKE_CASE__      )			->  Dict:

					"""simple docstring"""



					_UpperCamelCase				:Tuple				    =  filename
					_UpperCamelCase				:List[str]				    =  []
		def      _UpperCamelCase(   self				,							SCREAMING_SNAKE_CASE__				,							SCREAMING_SNAKE_CASE__      )			->  str:

					"""simple docstring"""



					_UpperCamelCase				:str				    =  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      _UpperCamelCase(   self      )			->  Optional[Any]:

					"""simple docstring"""



					return self.block_filenames
		def      _UpperCamelCase(   self				,							SCREAMING_SNAKE_CASE__				,							SCREAMING_SNAKE_CASE__=None      )			->  Dict:

					"""simple docstring"""



					_UpperCamelCase				:Optional[int]				    =  0
					with open(self.filename      ) as file:
								while True:
											_UpperCamelCase				:int				    =  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      _UpperCamelCase(   self      )			->  List[Any]:

					"""simple docstring"""



					map(os.remove				,							self.block_filenames      )






class     A:

		"""simple docstring"""





		def      _UpperCamelCase(   self				,							SCREAMING_SNAKE_CASE__      )			->  Optional[Any]:

					"""simple docstring"""



					_UpperCamelCase				:Tuple				    =  -1
					_UpperCamelCase				:Optional[int]				    =  None

					for i in range(len(SCREAMING_SNAKE_CASE__      )      ):
								if min_str is None or choices[i] < min_str:
											_UpperCamelCase				:Union[str, Any]				    =  i

					return min_index






class     A:

		"""simple docstring"""





		def __init__(   self				,							SCREAMING_SNAKE_CASE__      )			->  Union[str, Any]:

					"""simple docstring"""



					_UpperCamelCase				:Union[str, Any]				    =  files
					_UpperCamelCase				:Union[str, Any]				    =  set()
					_UpperCamelCase				:Optional[Any]				    =  len(SCREAMING_SNAKE_CASE__      )
					_UpperCamelCase				:List[Any]				    =  {i: None for i in range(self.num_buffers      )}
		def      _UpperCamelCase(   self      )			->  Union[str, Any]:

					"""simple docstring"""



					return {
					    i: self.buffers[i] for i in range(self.num_buffers      ) if i not in self.empty
					}
		def      _UpperCamelCase(   self      )			->  Dict:

					"""simple docstring"""



					for i in range(self.num_buffers      ):
								if self.buffers[i] is None and i not in self.empty:
											_UpperCamelCase				:str				    =  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      _UpperCamelCase(   self				,							SCREAMING_SNAKE_CASE__      )			->  Optional[Any]:

					"""simple docstring"""



					_UpperCamelCase				:Union[str, Any]				    =  self.buffers[index]
					_UpperCamelCase				:Optional[Any]				    =  None

					return value






class     A:

		"""simple docstring"""





		def __init__(   self				,							SCREAMING_SNAKE_CASE__      )			->  Dict:

					"""simple docstring"""



					_UpperCamelCase				:int				    =  merge_strategy
		def      _UpperCamelCase(   self				,							SCREAMING_SNAKE_CASE__				,							SCREAMING_SNAKE_CASE__				,							SCREAMING_SNAKE_CASE__      )			->  Tuple:

					"""simple docstring"""



					_UpperCamelCase				:Any				    =  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():
											_UpperCamelCase				:Tuple				    =  self.merge_strategy.select(buffers.get_dict()      )
											outfile.write(buffers.unshift(SCREAMING_SNAKE_CASE__      )      )





		def      _UpperCamelCase(   self				,							SCREAMING_SNAKE_CASE__				,							SCREAMING_SNAKE_CASE__      )			->  Optional[Any]:

					"""simple docstring"""



					_UpperCamelCase				:Union[str, Any]				    =  {}

					for i in range(len(SCREAMING_SNAKE_CASE__      )      ):
								_UpperCamelCase				:Tuple				    =  open(filenames[i]				,							'''r'''				,							SCREAMING_SNAKE_CASE__      )  # noqa: UP015

					return files






class     A:

		"""simple docstring"""





		def __init__(   self				,							SCREAMING_SNAKE_CASE__      )			->  str:

					"""simple docstring"""



					_UpperCamelCase				:int				    =  block_size
		def      _UpperCamelCase(   self				,							SCREAMING_SNAKE_CASE__				,							SCREAMING_SNAKE_CASE__=None      )			->  List[str]:

					"""simple docstring"""



					_UpperCamelCase				:Dict				    =  self.get_number_blocks(SCREAMING_SNAKE_CASE__				,							self.block_size      )
					_UpperCamelCase				:Dict				    =  FileSplitter(SCREAMING_SNAKE_CASE__      )
					splitter.split(self.block_size				,							SCREAMING_SNAKE_CASE__      )

					_UpperCamelCase				:int				    =  FileMerger(NWayMerge()      )
					_UpperCamelCase				:int				    =  self.block_size / (num_blocks + 1)
					merger.merge(splitter.get_block_filenames()				,							filename + '''.out'''				,							SCREAMING_SNAKE_CASE__      )

					splitter.cleanup()





		def      _UpperCamelCase(   self				,							SCREAMING_SNAKE_CASE__				,							SCREAMING_SNAKE_CASE__      )			->  Union[str, Any]:

					"""simple docstring"""



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





def 							A_					(   snake_case__		)				->     Tuple:
			if string[-1].lower() == "k":
						return int(string[:-1]		) * 10_24
			elif string[-1].lower() == "m":
						return int(string[:-1]		) * 10_24 * 10_24
			elif string[-1].lower() == "g":
						return int(string[:-1]		) * 10_24 * 10_24 * 10_24
			else:
						return int(snake_case__		)





def 							A_					(   )				->     Optional[Any]:
			_UpperCamelCase				:List[str]				    =  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'''		)
			_UpperCamelCase				:Union[str, Any]				    =  parser.parse_args()

			_UpperCamelCase				:Dict				    =  ExternalSort(parse_memory(args.mem		)		)
			sorter.sort(args.filename[0]		)


if __name__ == "__main__":
					main()





"""simple docstring"""






class     A:

		"""simple docstring"""





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

					"""simple docstring"""



					_UpperCamelCase				:List[Any]				    =  []
					_UpperCamelCase				:Dict				    =  0
					_UpperCamelCase				:List[Any]				    =  0
		def __str__(   self      )			->  Optional[int]:

					"""simple docstring"""



					_UpperCamelCase				:Optional[Any]				    =  '''<''' + str(self.entries      )[1:-1] + '''>'''
					return printed
		def      _UpperCamelCase(   self				,							SCREAMING_SNAKE_CASE__      )			->  Tuple:

					"""simple docstring"""



					self.entries.append(SCREAMING_SNAKE_CASE__      )
					_UpperCamelCase				:Union[str, Any]				    =  self.length + 1
		def      _UpperCamelCase(   self      )			->  Dict:

					"""simple docstring"""



					_UpperCamelCase				:str				    =  self.length - 1
					_UpperCamelCase				:Optional[int]				    =  self.entries[self.front]
					# self.front-=1
					# self.entries = self.entries[self.front:]
					_UpperCamelCase				:Tuple				    =  self.entries[1:]
					return dequeued
		def      _UpperCamelCase(   self				,							SCREAMING_SNAKE_CASE__      )			->  str:

					"""simple docstring"""



					for _ in range(SCREAMING_SNAKE_CASE__      ):
								self.put(self.get()      )
		def      _UpperCamelCase(   self      )			->  str:

					"""simple docstring"""



					return self.entries[0]
		def      _UpperCamelCase(   self      )			->  Union[str, Any]:

					"""simple docstring"""



					return self.length

