

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       :				Tuple         =					'src/transformers'

# Matches is_xxx_available()
lowerCAmelCase       :				Dict         =					re.compile(R'is\_([a-z_]*)_available()')
# Matches from xxx import bla
lowerCAmelCase       :				List[str]         =					re.compile(R'\s+from\s+\S*\s+import\s+([^\(\s].*)\n')
lowerCAmelCase       :				Union[str, Any]         =					re.compile(R'^\s+if\s+not\s+\(?is\_[a-z_]*\_available\(\)')


lowerCAmelCase       :				Union[str, Any]         =					'\n{0} = None\n'

lowerCAmelCase       :				Union[str, Any]         =					'\nclass {0}(metaclass=DummyObject):\n    _backends = {1}\n\n    def __init__(self, *args, **kwargs):\n        requires_backends(self, {1})\n'


lowerCAmelCase       :				Optional[Any]         =					'\ndef {0}(*args, **kwargs):\n    requires_backends({0}, {1})\n'

def 				A_					(							a					):

      """simple docstring"""



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

def 				A_					(							):

      """simple docstring"""



      with open(os.path.join(a   ,				'__init__.py'					)   ,				'r'   ,				encoding='utf-8'   ,				newline='\n'					) as f:
            SCREAMING_SNAKE_CASE_			:					Optional[Any]          =       f.readlines()

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

      SCREAMING_SNAKE_CASE_			:					Optional[Any]          =       {}
      # Go through the end of the file
      while line_index < len(a					):
            # If the line is an if is_backend_available, we grab all objects associated.
            SCREAMING_SNAKE_CASE_			:					Optional[int]          =       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_			:					Optional[Any]          =       []
                  # Until we unindent, add backend objects to the list
                  while len(lines[line_index]					) <= 1 or lines[line_index].startswith(' ' * 8					):
                        SCREAMING_SNAKE_CASE_			:					str          =       lines[line_index]
                        SCREAMING_SNAKE_CASE_			:					Any          =       _re_single_line_import.search(a					)
                        if single_line_import_search is not None:
                              objects.extend(single_line_import_search.groups()[0].split(', '					)					)
                        elif line.startswith(' ' * 1_2					):
                              objects.append(line[1_2:-2]					)
                        line_index += 1

                  SCREAMING_SNAKE_CASE_			:					Any          =       objects
            else:
                  line_index += 1

      return backend_specific_objects

def 				A_					(							a   ,				a					):

      """simple docstring"""



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

def 				A_					(							a=None					):

      """simple docstring"""



      if backend_specific_objects is None:
            SCREAMING_SNAKE_CASE_			:					Optional[Any]          =       read_init()
      # For special correspondence backend to module name as used in the function requires_modulename
      SCREAMING_SNAKE_CASE_			:					List[str]          =       {}

      for backend, objects in backend_specific_objects.items():
            SCREAMING_SNAKE_CASE_			:					List[Any]          =       '[' + ', '.join(f"\"{b}\"" for b in backend.split('_and_'					)					) + ']'
            SCREAMING_SNAKE_CASE_			:					List[Any]          =       '# 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(a   ,				a					) for o in objects]					)
            SCREAMING_SNAKE_CASE_			:					str          =       dummy_file

      return dummy_files

def 				A_					(							a=False					):

      """simple docstring"""



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

      # Locate actual dummy modules and read their content.
      SCREAMING_SNAKE_CASE_			:					Tuple          =       os.path.join(a   ,				'utils'					)
      SCREAMING_SNAKE_CASE_			:					Any          =       {
          backend: os.path.join(a   ,				f"dummy_{short_names.get(a   ,				a					)}_objects.py"					)
          for backend in dummy_files.keys()
      }

      SCREAMING_SNAKE_CASE_			:					Optional[int]          =       {}
      for backend, file_path in dummy_file_paths.items():
            if os.path.isfile(a					):
                  with open(a   ,				'r'   ,				encoding='utf-8'   ,				newline='\n'					) as f:
                        SCREAMING_SNAKE_CASE_			:					Tuple          =       f.read()
            else:
                  SCREAMING_SNAKE_CASE_			:					List[Any]          =       ''

      for backend in dummy_files.keys():
            if dummy_files[backend] != actual_dummies[backend]:
                  if overwrite:
                        print(
                            f"Updating transformers.utils.dummy_{short_names.get(a   ,				a					)}_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(a   ,				a					)}_objects.py. Run `make fix-copies` "
                            'to fix this.'					)


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

    check_dummies(args.fix_and_overwrite)









from math import factorial

def 				A_					(							a   ,				a					):

      """simple docstring"""



      return factorial(a					) / (factorial(a					) * factorial(n - r					))

def 				A_					(							):

      """simple docstring"""



      SCREAMING_SNAKE_CASE_			:					Union[str, Any]          =       0

      for i in range(1   ,				1_0_1					):
            for j in range(1   ,				i + 1					):
                  if combinations(a   ,				a					) > 1e6:
                        total += 1
      return total


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






