

import argparse
import os
import re


# All paths are set with the intent you should run this script from the root of the repo with the command
# python utils/check_dummies.py
_lowerCamelCase							="src/transformers"

# Matches is_xxx_available()
_lowerCamelCase							=re.compile(R"is\_([a-z_]*)_available()")
# Matches from xxx import bla
_lowerCamelCase							=re.compile(R"\s+from\s+\S*\s+import\s+([^\(\s].*)\n")
_lowerCamelCase							=re.compile(R"^\s+if\s+not\s+\(?is\_[a-z_]*\_available\(\)")


_lowerCamelCase							="\n{0} = None\n"

_lowerCamelCase							="\nclass {0}(metaclass=DummyObject):\n    _backends = {1}\n\n    def __init__(self, *args, **kwargs):\n        requires_backends(self, {1})\n"


_lowerCamelCase							="\ndef {0}(*args, **kwargs):\n    requires_backends({0}, {1})\n"







def      snake_case__							(  lowerCAmelCase_     ):





     """simple docstring"""







     if _re_test_backend.search(lowerCAmelCase_     ) is None:
          return None
     SCREAMING_SNAKE_CASE 		=[b[0] for b in _re_backend.findall(lowerCAmelCase_     )]
     backends.sort()
     return "_and_".join(lowerCAmelCase_     )







def      snake_case__							(  ):





     """simple docstring"""







     with open(os.path.join(lowerCAmelCase_,       '__init__.py'     ),       'r',       encoding='utf-8',       newline='\n'     ) as f:
          SCREAMING_SNAKE_CASE 		=f.readlines()

     # Get to the point we do the actual imports for type checking
     SCREAMING_SNAKE_CASE 		=0
     while not lines[line_index].startswith('if TYPE_CHECKING'     ):
          line_index += 1

     SCREAMING_SNAKE_CASE 		={}
     # Go through the end of the file
     while line_index < len(lowerCAmelCase_     ):
          # If the line is an if is_backend_available, we grab all objects associated.
          SCREAMING_SNAKE_CASE 		=find_backend(lines[line_index]     )
          if backend is not None:
               while not lines[line_index].startswith('    else:'     ):
                    line_index += 1
               line_index += 1

               SCREAMING_SNAKE_CASE 		=[]
               # Until we unindent, add backend objects to the list
               while len(lines[line_index]     ) <= 1 or lines[line_index].startswith(' ' * 8     ):
                    SCREAMING_SNAKE_CASE 		=lines[line_index]
                    SCREAMING_SNAKE_CASE 		=_re_single_line_import.search(lowerCAmelCase_     )
                    if single_line_import_search is not None:
                         objects.extend(single_line_import_search.groups()[0].split(', '     )     )
                    elif line.startswith(' ' * 12     ):
                         objects.append(line[12:-2]     )
                    line_index += 1

               SCREAMING_SNAKE_CASE 		=objects
          else:
               line_index += 1

     return backend_specific_objects







def      snake_case__							(  lowerCAmelCase_,       lowerCAmelCase_     ):





     """simple docstring"""







     if name.isupper():
          return DUMMY_CONSTANT.format(lowerCAmelCase_     )
     elif name.islower():
          return DUMMY_FUNCTION.format(lowerCAmelCase_,       lowerCAmelCase_     )
     else:
          return DUMMY_CLASS.format(lowerCAmelCase_,       lowerCAmelCase_     )







def      snake_case__							(  lowerCAmelCase_=None     ):





     """simple docstring"""







     if backend_specific_objects is None:
          SCREAMING_SNAKE_CASE 		=read_init()
     # For special correspondence backend to module name as used in the function requires_modulename
     SCREAMING_SNAKE_CASE 		={}

     for backend, objects in backend_specific_objects.items():
          SCREAMING_SNAKE_CASE 		='[' + ', '.join(F'"{b}"' for b in backend.split('_and_'     )     ) + ']'
          SCREAMING_SNAKE_CASE 		='# This file is autogenerated by the command `make fix-copies`, do not edit.\n'
          dummy_file += "from ..utils import DummyObject, requires_backends\n\n"
          dummy_file += "\n".join([create_dummy_object(lowerCAmelCase_,       lowerCAmelCase_     ) for o in objects]     )
          SCREAMING_SNAKE_CASE 		=dummy_file

     return dummy_files







def      snake_case__							(  lowerCAmelCase_=False     ):





     """simple docstring"""







     SCREAMING_SNAKE_CASE 		=create_dummy_files()
     # For special correspondence backend to shortcut as used in utils/dummy_xxx_objects.py
     SCREAMING_SNAKE_CASE 		={'torch': 'pt'}

     # Locate actual dummy modules and read their content.
     SCREAMING_SNAKE_CASE 		=os.path.join(lowerCAmelCase_,       'utils'     )
     SCREAMING_SNAKE_CASE 		={
         backend: os.path.join(lowerCAmelCase_,       F'dummy_{short_names.get(lowerCAmelCase_,       lowerCAmelCase_     )}_objects.py'     )
         for backend in dummy_files.keys()
     }

     SCREAMING_SNAKE_CASE 		={}
     for backend, file_path in dummy_file_paths.items():
          if os.path.isfile(lowerCAmelCase_     ):
               with open(lowerCAmelCase_,       'r',       encoding='utf-8',       newline='\n'     ) as f:
                    SCREAMING_SNAKE_CASE 		=f.read()
          else:
               SCREAMING_SNAKE_CASE 		=''

     for backend in dummy_files.keys():
          if dummy_files[backend] != actual_dummies[backend]:
               if overwrite:
                    print(
                        F'Updating transformers.utils.dummy_{short_names.get(lowerCAmelCase_,       lowerCAmelCase_     )}_objects.py as the main '
                        '__init__ has new objects.'     )
                    with open(dummy_file_paths[backend],       'w',       encoding='utf-8',       newline='\n'     ) as f:
                         f.write(dummy_files[backend]     )
               else:
                    raise ValueError(
                        'The main __init__ has objects that are not present in '
                        F'transformers.utils.dummy_{short_names.get(lowerCAmelCase_,       lowerCAmelCase_     )}_objects.py. Run `make fix-copies` '
                        'to fix this.'     )


if __name__ == "__main__":
 _lowerCamelCase							=argparse.ArgumentParser()
 parser.add_argument("--fix_and_overwrite", action="store_true", help="Whether to fix inconsistencies.")
 _lowerCamelCase							=parser.parse_args()

 check_dummies(args.fix_and_overwrite)




import os







def      snake_case__							(  ):





     """simple docstring"""







     SCREAMING_SNAKE_CASE 		=os.path.dirname(os.path.realpath(lowerCAmelCase_     )     )
     SCREAMING_SNAKE_CASE 		=os.path.join(lowerCAmelCase_,       'triangle.txt'     )

     with open(lowerCAmelCase_     ) as f:
          SCREAMING_SNAKE_CASE 		=f.readlines()

     SCREAMING_SNAKE_CASE 		=[[int(lowerCAmelCase_     ) for y in x.rstrip('\r\n'     ).split(' '     )] for x in triangle]

     for i in range(1,       len(lowerCAmelCase_     )     ):
          for j in range(len(a[i]     )     ):
               SCREAMING_SNAKE_CASE 		=a[i - 1][j] if j != len(a[i - 1]     ) else 0
               SCREAMING_SNAKE_CASE 		=a[i - 1][j - 1] if j > 0 else 0
               a[i][j] += max(lowerCAmelCase_,       lowerCAmelCase_     )
     return max(a[-1]     )


if __name__ == "__main__":
 print(solution())

