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__					:       Optional[Any]		=       '''src/transformers'''

# Matches is_xxx_available()
lowerCAmelCase__					:       Tuple		=       re.compile(r'''is\_([a-z_]*)_available()''')
# Matches from xxx import bla
lowerCAmelCase__					:       int		=       re.compile(r'''\s+from\s+\S*\s+import\s+([^\(\s].*)\n''')
lowerCAmelCase__					:       int		=       re.compile(r'''^\s+if\s+not\s+\(?is\_[a-z_]*\_available\(\)''')


lowerCAmelCase__					:       List[Any]		=       '''
{0} = None
'''

lowerCAmelCase__					:       List[str]		=       '''
class {0}(metaclass=DummyObject):
    _backends = {1}

    def __init__(self, *args, **kwargs):
        requires_backends(self, {1})
'''


lowerCAmelCase__					:       List[str]		=       '''
def {0}(*args, **kwargs):
    requires_backends({0}, {1})
'''
def 			UpperCamelCase__						(    A__   )       -> Union[str, Any]:
				if _re_test_backend.search(A__   ) is None:
								return None
				snake_case__ :     List[str] 							=				[b[0] for b in _re_backend.findall(A__   )]
				backends.sort()
				return "_and_".join(A__   )
def 			UpperCamelCase__						(    )       -> Union[str, Any]:
				with open(os.path.join(A__      ,			'__init__.py'   )      ,			'r'      ,			encoding='utf-8'      ,			newline='\n'   ) as f:
								snake_case__ :     Tuple 							=				f.readlines()

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

				snake_case__ :     List[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.
								snake_case__ :     Optional[Any] 							=				find_backend(lines[line_index]   )
								if backend is not None:
												while not lines[line_index].startswith('    else:'   ):
																line_index += 1
												line_index += 1

												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   ):
																snake_case__ :     List[str] 							=				lines[line_index]
																snake_case__ :     Optional[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(' ' * 12   ):
																				objects.append(line[12:-2]   )
																line_index += 1

												snake_case__ :     List[str] 							=				objects
								else:
												line_index += 1

				return backend_specific_objects
def 			UpperCamelCase__						(    A__      ,			A__   )       -> Optional[int]:
				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 			UpperCamelCase__						(    A__=None   )       -> Optional[Any]:
				if backend_specific_objects is None:
								snake_case__ :     Any 							=				read_init()
				# For special correspondence backend to module name as used in the function requires_modulename
				snake_case__ :     Any 							=				{}

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

				return dummy_files
def 			UpperCamelCase__						(    A__=False   )       -> List[Any]:
				snake_case__ :     Optional[int] 							=				create_dummy_files()
				# For special correspondence backend to shortcut as used in utils/dummy_xxx_objects.py
				snake_case__ :     Tuple 							=				{'torch': 'pt'}

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

				snake_case__ :     Tuple 							=				{}
				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:
																snake_case__ :     Optional[int] 							=				f.read()
								else:
												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__					:       Any		=       argparse.ArgumentParser()
				parser.add_argument('''--fix_and_overwrite''', action='''store_true''', help='''Whether to fix inconsistencies.''')
				lowerCAmelCase__					:       int		=       parser.parse_args()

				check_dummies(args.fix_and_overwrite)



def 			UpperCamelCase__						(    A__   )       -> int:
				if number != int(A__   ):
								raise ValueError('factorial() only accepts integral values'   )
				if number < 0:
								raise ValueError('factorial() not defined for negative values'   )
				snake_case__ :     Optional[Any] 							=				1
				for i in range(1      ,			number + 1   ):
								value *= i
				return value
def 			UpperCamelCase__						(    A__   )       -> int:
				if not isinstance(A__      ,			A__   ):
								raise ValueError('factorial() only accepts integral values'   )
				if n < 0:
								raise ValueError('factorial() not defined for negative values'   )
				return 1 if n == 0 or n == 1 else n * factorial(n - 1   )


if __name__ == "__main__":
				import doctest

				doctest.testmod()

				lowerCAmelCase__					:       Any		=       int(input('''Enter a positive integer: ''').strip() or 0)
				print(F'''factorial{n} is {factorial(n)}''')


