



'''simple docstring'''
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
_UpperCamelCase											=			'''src/transformers'''

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


_UpperCamelCase											=			'''
{0} = None
'''

_UpperCamelCase											=			'''
class {0}(metaclass=DummyObject):
    _backends = {1}

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


_UpperCamelCase											=			'''
def {0}(*args, **kwargs):
    requires_backends({0}, {1})
'''


def   lowercase_	(   lowerCAmelCase__	:  Optional[int] ):

			"""simple docstring"""





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


def   lowercase_	(   ):

			"""simple docstring"""





			with open(os.path.join(lowerCAmelCase__			,							"""__init__.py""" )			,							"""r"""			,							encoding="""utf-8"""			,							newline="""\n""" ) as f:
						__UpperCAmelCase   :      List[Any]										=     f.readlines()

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

			__UpperCAmelCase   :      Tuple										=     {}
			# 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.
						__UpperCAmelCase   :      int										=     find_backend(lines[line_index] )
						if backend is not None:
									while not lines[line_index].startswith("""    else:""" ):
												line_index += 1
									line_index += 1

									__UpperCAmelCase   :      List[str]										=     []
									# Until we unindent, add backend objects to the list
									while len(lines[line_index] ) <= 1 or lines[line_index].startswith(""" """ * 8 ):
												__UpperCAmelCase   :      str										=     lines[line_index]
												__UpperCAmelCase   :      Optional[Any]										=     _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

									__UpperCAmelCase   :      Optional[int]										=     objects
						else:
									line_index += 1

			return backend_specific_objects


def   lowercase_	(   lowerCAmelCase__	:  Optional[int]			,							lowerCAmelCase__	:  List[Any] ):

			"""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   lowercase_	(   lowerCAmelCase__	:  Optional[int]=None ):

			"""simple docstring"""





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

			for backend, objects in backend_specific_objects.items():
						__UpperCAmelCase   :      Dict										=     """[""" + """, """.join(f'"{b}"' for b in backend.split("""_and_""" ) ) + """]"""
						__UpperCAmelCase   :      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(lowerCAmelCase__			,							lowerCAmelCase__ ) for o in objects] )
						__UpperCAmelCase   :      Tuple										=     dummy_file

			return dummy_files


def   lowercase_	(   lowerCAmelCase__	:  Optional[Any]=False ):

			"""simple docstring"""





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

			# Locate actual dummy modules and read their content.
			__UpperCAmelCase   :      Optional[int]										=     os.path.join(lowerCAmelCase__			,							"""utils""" )
			__UpperCAmelCase   :      int										=     {
			    backend: os.path.join(lowerCAmelCase__			,							f'dummy_{short_names.get(lowerCAmelCase__			,							lowerCAmelCase__ )}_objects.py' )
			    for backend in dummy_files.keys()
			}

			__UpperCAmelCase   :      Optional[Any]										=     {}
			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:
												__UpperCAmelCase   :      Union[str, Any]										=     f.read()
						else:
									__UpperCAmelCase   :      Tuple										=     """"""

			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__":
					_UpperCamelCase											=			argparse.ArgumentParser()
					parser.add_argument('''--fix_and_overwrite''', action='''store_true''', help='''Whether to fix inconsistencies.''')
					_UpperCamelCase											=			parser.parse_args()

					check_dummies(args.fix_and_overwrite)









'''simple docstring'''
from __future__ import annotations

from typing import Any



class _A  :





		def __init__(     self ,       __UpperCAmelCase ,       __UpperCAmelCase				)       ->     None:  # noqa: A002

					'''simple docstring'''
					__UpperCAmelCase   :      Tuple										=     item
					__UpperCAmelCase   :      str										=     next



class _A  :





		def __init__(     self				)       ->     None:

					'''simple docstring'''
					__UpperCAmelCase   :      Node | None										=     None
					__UpperCAmelCase   :      Optional[int]										=     0





		def 							__A       (     self ,       __UpperCAmelCase				)       ->     None:

					'''simple docstring'''
					__UpperCAmelCase   :      Optional[Any]										=     Node(__UpperCAmelCase ,       self.head				)
					self.size += 1





		def 							__A       (     self				)       ->     Any:

					'''simple docstring'''
					# Switched 'self.is_empty()' to 'self.head is None'
					# because mypy was considering the possibility that 'self.head'
					# can be None in below else part and giving error
					if self.head is None:
								return None
					else:
								__UpperCAmelCase   :      str										=     self.head.item
								__UpperCAmelCase   :      Tuple										=     self.head.next
								self.size -= 1
								return item





		def 							__A       (     self				)       ->     bool:

					'''simple docstring'''
					return self.head is None





		def __str__(     self				)       ->     str:

					'''simple docstring'''
					if self.is_empty():
								return ""
					else:
								__UpperCAmelCase   :      Union[str, Any]										=     self.head
								__UpperCAmelCase   :      List[Any]										=     """"""
								__UpperCAmelCase   :      list[str]										=     []
								while iterate:
											item_list.append(str(iterate.item				)				)
											__UpperCAmelCase   :      Any										=     iterate.next

								__UpperCAmelCase   :      Dict										=     """ --> """.join(__UpperCAmelCase				)

								return item_str





		def __len__(     self				)       ->     int:

					'''simple docstring'''
					return self.size




