"""simple docstring"""


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






class    __UpperCAmelCase						:
				A__      :   Dict  							=       '''block_{0}.dat'''

				def __init__(      self	, _lowerCamelCase      ):
										lowerCamelCase__					=filename
										lowerCamelCase__					=[]

				def 		_a	(      self	, _lowerCamelCase	, _lowerCamelCase      ):
										lowerCamelCase__					=self.BLOCK_FILENAME_FORMAT.format(_lowerCamelCase      )
										with open(_lowerCamelCase	, "w"      ) as file:
																file.write(_lowerCamelCase      )
										self.block_filenames.append(_lowerCamelCase      )

				def 		_a	(      self      ):
										return self.block_filenames

				def 		_a	(      self	, _lowerCamelCase	, _lowerCamelCase=None      ):
										lowerCamelCase__					=0
										with open(self.filename      ) as file:
																while True:
																						lowerCamelCase__					=file.readlines(_lowerCamelCase      )

																						if lines == []:
																												break

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

																						self.write_block("".join(_lowerCamelCase      )	, _lowerCamelCase      )
																						i += 1






				def 		_a	(      self      ):
										map(os.remove	, self.block_filenames      )






class    __UpperCAmelCase						:

				def 		_a	(      self	, _lowerCamelCase      ):
										lowerCamelCase__					=-1
										lowerCamelCase__					=None

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

										return min_index






class    __UpperCAmelCase						:

				def __init__(      self	, _lowerCamelCase      ):
										lowerCamelCase__					=files
										lowerCamelCase__					=set()
										lowerCamelCase__					=len(_lowerCamelCase      )
										lowerCamelCase__					={i: None for i in range(self.num_buffers      )}

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

				def 		_a	(      self      ):
										for i in range(self.num_buffers      ):
																if self.buffers[i] is None and i not in self.empty:
																						lowerCamelCase__					=self.files[i].readline()

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

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

										return True






				def 		_a	(      self	, _lowerCamelCase      ):
										lowerCamelCase__					=self.buffers[index]
										lowerCamelCase__					=None

										return value






class    __UpperCAmelCase						:

				def __init__(      self	, _lowerCamelCase      ):
										lowerCamelCase__					=merge_strategy

				def 		_a	(      self	, _lowerCamelCase	, _lowerCamelCase	, _lowerCamelCase      ):
										lowerCamelCase__					=FilesArray(self.get_file_handles(_lowerCamelCase	, _lowerCamelCase      )      )
										with open(_lowerCamelCase	, "w"	, _lowerCamelCase      ) as outfile:
																while buffers.refresh():
																						lowerCamelCase__					=self.merge_strategy.select(buffers.get_dict()      )
																						outfile.write(buffers.unshift(_lowerCamelCase      )      )






				def 		_a	(      self	, _lowerCamelCase	, _lowerCamelCase      ):
										lowerCamelCase__					={}

										for i in range(len(_lowerCamelCase      )      ):
																lowerCamelCase__					=open(filenames[i]	, "r"	, _lowerCamelCase      )  # noqa: UP015

										return files






class    __UpperCAmelCase						:

				def __init__(      self	, _lowerCamelCase      ):
										lowerCamelCase__					=block_size

				def 		_a	(      self	, _lowerCamelCase	, _lowerCamelCase=None      ):
										lowerCamelCase__					=self.get_number_blocks(_lowerCamelCase	, self.block_size      )
										lowerCamelCase__					=FileSplitter(_lowerCamelCase      )
										splitter.split(self.block_size	, _lowerCamelCase      )

										lowerCamelCase__					=FileMerger(NWayMerge()      )
										lowerCamelCase__					=self.block_size / (num_blocks + 1)
										merger.merge(splitter.get_block_filenames()	, filename + ".out"	, _lowerCamelCase      )

										splitter.cleanup()






				def 		_a	(      self	, _lowerCamelCase	, _lowerCamelCase      ):
										return (os.stat(_lowerCamelCase      ).st_size / block_size) + 1





def 			lowerCamelCase_ (					__lowerCAmelCase				)							->					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(__lowerCAmelCase				)





def 			lowerCamelCase_ (					)							->					Union[str, Any]:




						'''simple docstring'''



						lowerCamelCase__					=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__					=parser.parse_args()

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


if __name__ == "__main__":
	main()



"""simple docstring"""


def 			lowerCamelCase_ (					__lowerCAmelCase				)							->					str:




						'''simple docstring'''



						lowerCamelCase__					=1
						lowerCamelCase__					=0
						lowerCamelCase__					=1
						lowerCamelCase__					=1
						lowerCamelCase__					=3
						lowerCamelCase__					=3
						lowerCamelCase__					=limit
						lowerCamelCase__					=0

						lowerCamelCase__					=""
						while counter != decimal + 1:
												if 4 * q + r - t < n * t:
																		result += str(__lowerCAmelCase				)
																		if counter == 0:
																								result += "."

																		if decimal == counter:
																								break

																		counter += 1
																		lowerCamelCase__					=10 * (r - n * t)
																		lowerCamelCase__					=((10 * (3 * q + r)) // t) - 10 * n
																		q *= 10
																		lowerCamelCase__					=nr
												else:
																		lowerCamelCase__					=(2 * q + r) * l
																		lowerCamelCase__					=(q * (7 * k) + 2 + (r * l)) // (t * l)
																		q *= k
																		t *= l
																		l += 2
																		k += 1
																		lowerCamelCase__					=nn
																		lowerCamelCase__					=nr
						return result





def 			lowerCamelCase_ (					)							->					None:




						'''simple docstring'''



						print(F'''{calculate_pi(50				) = }'''				)
						import doctest

						doctest.testmod()


if __name__ == "__main__":
	main()


