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 							_lowerCamelCase(				__snake_case	)  ->   int:







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



def 							_lowerCamelCase(				)  ->   List[Any]:







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

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

		__snake_case		       =     {}
		# Go through the end of the file
		while line_index < len(__snake_case	):
				# If the line is an if is_backend_available, we grab all objects associated.
				__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

						__snake_case		       =     []
						# Until we unindent, add backend objects to the list
						while len(lines[line_index]	) <= 1 or lines[line_index].startswith(" " * 8	):
								__snake_case		       =     lines[line_index]
								__snake_case		       =     _re_single_line_import.search(__snake_case	)
								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		       =     objects
				else:
						line_index += 1

		return backend_specific_objects



def 							_lowerCamelCase(				__snake_case						,						__snake_case	)  ->   str:







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



def 							_lowerCamelCase(				__snake_case=None	)  ->   Optional[int]:







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

		for backend, objects in backend_specific_objects.items():
				__snake_case		       =     "[" + ", ".join(f"""\"{b}\"""" for b in backend.split("_and_"	)	) + "]"
				__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(__snake_case						,						__snake_case	) for o in objects]	)
				__snake_case		       =     dummy_file

		return dummy_files



def 							_lowerCamelCase(				__snake_case=False	)  ->   List[str]:
		__snake_case		       =     create_dummy_files()
		# For special correspondence backend to shortcut as used in utils/dummy_xxx_objects.py
		__snake_case		       =     {"torch": "pt"}

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

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






from __future__ import annotations

from collections.abc import Iterable
from dataclasses import dataclass
from typing import Any




class 					UpperCamelCase	:
					__UpperCamelCase						=   ("""_front""", """_back""", """_len""")




					@dataclass
					class 					UpperCamelCase	:
										__UpperCamelCase						=   None
										__UpperCamelCase						=   None
										__UpperCamelCase						=   None




					class 					UpperCamelCase	:
										__UpperCamelCase						=   ("""_cur""",)




										def __init__( self :					Dict      ,_lowerCAmelCase :					Deque._Node | None						):


												"""simple docstring"""




												__snake_case		       =     cur




										def __iter__( self :					Dict						):


												"""simple docstring"""




												return self







										def 							UpperCamelCase_						( self :					Optional[Any]						):


												"""simple docstring"""




												if self._cur is None:
														# finished iterating
														raise StopIteration
												__snake_case		       =     self._cur.val
												__snake_case		       =     self._cur.next_node

												return val




					def __init__( self :					Optional[int]      ,_lowerCAmelCase :					Iterable[Any] | None = None						):


							"""simple docstring"""




							__snake_case		       =     None
							__snake_case		       =     None
							__snake_case		       =     0

							if iterable is not None:
									# append every value to the deque
									for val in iterable:
											self.append(_lowerCAmelCase						)




					def 							UpperCamelCase_						( self :					int      ,_lowerCAmelCase :					Any						):


							"""simple docstring"""




							__snake_case		       =     self._Node(_lowerCAmelCase      ,_lowerCAmelCase      ,_lowerCAmelCase						)
							if self.is_empty():
									# front = back
									__snake_case		       =     __snake_case		       =     node
									__snake_case		       =     1
							else:
									# connect nodes
									__snake_case		       =     node
									__snake_case		       =     self._back
									__snake_case		       =     node  # assign new back to the new node

									self._len += 1

									# make sure there were no errors
									assert not self.is_empty(), "Error on appending value."




					def 							UpperCamelCase_						( self :					Any      ,_lowerCAmelCase :					Any						):


							"""simple docstring"""




							__snake_case		       =     self._Node(_lowerCAmelCase      ,_lowerCAmelCase      ,_lowerCAmelCase						)
							if self.is_empty():
									# front = back
									__snake_case		       =     __snake_case		       =     node
									__snake_case		       =     1
							else:
									# connect nodes
									__snake_case		       =     self._front
									__snake_case		       =     node
									__snake_case		       =     node  # assign new front to the new node

									self._len += 1

									# make sure there were no errors
									assert not self.is_empty(), "Error on appending value."




					def 							UpperCamelCase_						( self :					int      ,_lowerCAmelCase :					Iterable[Any]						):


							"""simple docstring"""




							for val in iterable:
									self.append(_lowerCAmelCase						)




					def 							UpperCamelCase_						( self :					Optional[int]      ,_lowerCAmelCase :					Iterable[Any]						):


							"""simple docstring"""




							for val in iterable:
									self.appendleft(_lowerCAmelCase						)




					def 							UpperCamelCase_						( self :					List[Any]						):


							"""simple docstring"""




							assert not self.is_empty(), "Deque is empty."

							__snake_case		       =     self._back
							__snake_case		       =     self._back.prev_node  # set new back
							# drop the last node - python will deallocate memory automatically
							__snake_case		       =     None

							self._len -= 1

							return topop.val




					def 							UpperCamelCase_						( self :					List[str]						):


							"""simple docstring"""




							assert not self.is_empty(), "Deque is empty."

							__snake_case		       =     self._front
							__snake_case		       =     self._front.next_node  # set new front and drop the first node
							__snake_case		       =     None

							self._len -= 1

							return topop.val




					def 							UpperCamelCase_						( self :					int						):


							"""simple docstring"""




							return self._front is None




					def __len__( self :					Tuple						):


							"""simple docstring"""




							return self._len




					def __eq__( self :					Union[str, Any]      ,_lowerCAmelCase :					object						):


							"""simple docstring"""




							if not isinstance(_lowerCAmelCase      ,_lowerCAmelCase						):
									return NotImplemented

							__snake_case		       =     self._front
							__snake_case		       =     other._front

							# if the length of the dequeues are not the same, they are not equal
							if len(self						) != len(_lowerCAmelCase						):
									return False

							while me is not None and oth is not None:
									# compare every value
									if me.val != oth.val:
											return False
									__snake_case		       =     me.next_node
									__snake_case		       =     oth.next_node

							return True




					def __iter__( self :					Tuple						):


							"""simple docstring"""




							return Deque._Iterator(self._front						)







					def __repr__( self :					List[Any]						):


							"""simple docstring"""




							__snake_case		       =     []
							__snake_case		       =     self._front
							while aux is not None:
									# append the values in a list to display
									values_list.append(aux.val						)
									__snake_case		       =     aux.next_node

							return F"""[{", ".join(repr(_lowerCAmelCase						) for val in values_list						)}]"""


if __name__ == "__main__":
		import doctest

		doctest.testmod()





