
"""simple docstring"""







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



class 		UpperCAmelCase_	:
 """simple docstring"""




 UpperCamelCase_						:     List[Any]				   =    """block_{0}.dat"""




 def __init__( self       : Optional[int]     ,   a_       : Optional[Any] )->					str:



      """simple docstring"""

      UpperCAmelCase_						:    Optional[int]    					=  filename
      UpperCAmelCase_						:    Dict    					=  []




 def   a      ( self       : Optional[Any]     ,   a_       : Optional[Any]     ,   a_       : Dict )->					int:



      """simple docstring"""

      UpperCAmelCase_						:    Optional[int]    					=  self.BLOCK_FILENAME_FORMAT.format(a_ )
      with open(a_     ,   """w""" ) as file:
           file.write(a_ )
      self.block_filenames.append(a_ )




 def   a      ( self       : Union[str, Any] )->					Optional[int]:



      """simple docstring"""

      return self.block_filenames




 def   a      ( self       : Any     ,   a_       : Optional[Any]     ,   a_       : List[str]=None )->					Optional[int]:



      """simple docstring"""

      UpperCAmelCase_						:    Any    					=  0
      with open(self.filename ) as file:
           while True:
                UpperCAmelCase_						:    int    					=  file.readlines(a_ )

                if lines == []:
                     break

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

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






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



      """simple docstring"""

      map(os.remove     ,   self.block_filenames )



class 		UpperCAmelCase_	:
 """simple docstring"""




 def   a      ( self       : Union[str, Any]     ,   a_       : Optional[int] )->					int:



      """simple docstring"""

      UpperCAmelCase_						:    str    					=  -1
      UpperCAmelCase_						:    Optional[int]    					=  None

      for i in range(len(a_ ) ):
           if min_str is None or choices[i] < min_str:
                UpperCAmelCase_						:    List[Any]    					=  i

      return min_index



class 		UpperCAmelCase_	:
 """simple docstring"""




 def __init__( self       : Union[str, Any]     ,   a_       : Optional[Any] )->					Tuple:



      """simple docstring"""

      UpperCAmelCase_						:    Optional[int]    					=  files
      UpperCAmelCase_						:    Optional[int]    					=  set()
      UpperCAmelCase_						:    Tuple    					=  len(a_ )
      UpperCAmelCase_						:    Optional[int]    					=  {i: None for i in range(self.num_buffers )}




 def   a      ( self       : Dict )->					int:



      """simple docstring"""

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




 def   a      ( self       : Dict )->					Optional[int]:



      """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(a_ )
                     self.files[i].close()

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

      return True






 def   a      ( self       : str     ,   a_       : str )->					Tuple:



      """simple docstring"""

      UpperCAmelCase_						:    Union[str, Any]    					=  self.buffers[index]
      UpperCAmelCase_						:    Tuple    					=  None

      return value



class 		UpperCAmelCase_	:
 """simple docstring"""




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



      """simple docstring"""

      UpperCAmelCase_						:    List[str]    					=  merge_strategy




 def   a      ( self       : Any     ,   a_       : List[str]     ,   a_       : int     ,   a_       : List[Any] )->					Dict:



      """simple docstring"""

      UpperCAmelCase_						:    int    					=  FilesArray(self.get_file_handles(a_     ,   a_ ) )
      with open(a_     ,   """w"""     ,   a_ ) as outfile:
           while buffers.refresh():
                UpperCAmelCase_						:    List[Any]    					=  self.merge_strategy.select(buffers.get_dict() )
                outfile.write(buffers.unshift(a_ ) )






 def   a      ( self       : Union[str, Any]     ,   a_       : Optional[Any]     ,   a_       : Optional[Any] )->					int:



      """simple docstring"""

      UpperCAmelCase_						:    Tuple    					=  {}

      for i in range(len(a_ ) ):
           UpperCAmelCase_						:    Optional[int]    					=  open(filenames[i]     ,   """r"""     ,   a_ )  # noqa: UP015

      return files



class 		UpperCAmelCase_	:
 """simple docstring"""




 def __init__( self       : int     ,   a_       : List[str] )->					Optional[int]:



      """simple docstring"""

      UpperCAmelCase_						:    int    					=  block_size




 def   a      ( self       : Optional[int]     ,   a_       : List[Any]     ,   a_       : Any=None )->					Any:



      """simple docstring"""

      UpperCAmelCase_						:    Optional[Any]    					=  self.get_number_blocks(a_     ,   self.block_size )
      UpperCAmelCase_						:    Optional[Any]    					=  FileSplitter(a_ )
      splitter.split(self.block_size     ,   a_ )

      UpperCAmelCase_						:    str    					=  FileMerger(NWayMerge() )
      UpperCAmelCase_						:    Tuple    					=  self.block_size / (num_blocks + 1)
      merger.merge(splitter.get_block_filenames()     ,   filename + """.out"""     ,   a_ )

      splitter.cleanup()






 def   a      ( self       : Union[str, Any]     ,   a_       : str     ,   a_       : Optional[Any] )->					Optional[int]:



      """simple docstring"""

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




def 			A_			(					lowercase      )     ->							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(lowercase      )




def 			A_			(					)     ->							Dict:


     """simple docstring"""







     UpperCAmelCase_						:    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_						:    List[str]    					=  parser.parse_args()

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


if __name__ == "__main__":
       main()



"""simple docstring"""







from __future__ import annotations



class 		UpperCAmelCase_	:
 """simple docstring"""




 def __init__( self       : Any     ,   a_       : int = 0 )->					None:



      """simple docstring"""

      UpperCAmelCase_						:    Tuple    					=  value
      UpperCAmelCase_						:    Node | None    					=  None
      UpperCAmelCase_						:    Node | None    					=  None




def 			A_			(					lowercase						, lowercase      )     ->							Node | None:


     """simple docstring"""







     if treea is None:
          return treea
     if treea is None:
          return treea

     UpperCAmelCase_						:    int    					=  treea.value + treea.value
     UpperCAmelCase_						:    List[str]    					=  merge_two_binary_trees(treea.left						, treea.left      )
     UpperCAmelCase_						:    List[str]    					=  merge_two_binary_trees(treea.right						, treea.right      )
     return treea




def 			A_			(					lowercase      )     ->							None:


     """simple docstring"""







     if root:
          print(root.value      )
          print_preorder(root.left      )
          print_preorder(root.right      )


if __name__ == "__main__":
       lowercase_						    =					Node(1)
       lowercase_						    =					Node(2)
       lowercase_						    =					Node(3)
       lowercase_						    =					Node(4)

       lowercase_						    =					Node(2)
       lowercase_						    =					Node(4)
       lowercase_						    =					Node(6)
       lowercase_						    =					Node(9)
       lowercase_						    =					Node(5)

       print("Tree1 is: ")
       print_preorder(treea)
       print("Tree2 is: ")
       print_preorder(treea)
       lowercase_						    =					merge_two_binary_trees(treea, treea)
       print("Merged Tree is: ")
       print_preorder(merged_tree)

