




'''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
_SCREAMING_SNAKE_CASE							:       Any						=			"src/diffusers"

# Matches is_xxx_available()
_SCREAMING_SNAKE_CASE							:       Optional[Any]						=			re.compile(r"is\_([a-z_]*)_available\(\)")
# Matches from xxx import bla
_SCREAMING_SNAKE_CASE							:       Optional[Any]						=			re.compile(r"\s+from\s+\S*\s+import\s+([^\(\s].*)\n")


_SCREAMING_SNAKE_CASE							:       int						=			"\n{0} = None\n"

_SCREAMING_SNAKE_CASE							:       Union[str, Any]						=			"\nclass {0}(metaclass=DummyObject):\n    _backends = {1}\n\n    def __init__(self, *args, **kwargs):\n        requires_backends(self, {1})\n\n    @classmethod\n    def from_config(cls, *args, **kwargs):\n        requires_backends(cls, {1})\n\n    @classmethod\n    def from_pretrained(cls, *args, **kwargs):\n        requires_backends(cls, {1})\n"


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


def 					UpperCamelCase_(     snake_case							:	Tuple					):

							'''simple docstring'''






							snake_case_      =				_re_backend.findall(snake_case					)
							if len(snake_case					) == 0:
														return None

							return "_and_".join(snake_case					)


def 					UpperCamelCase_(     ):

							'''simple docstring'''






							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
							snake_case_      =				{}
							# Go through the end of the file
							while line_index < len(snake_case					):
														# If the line contains is_backend_available, we grab all objects associated with the `else` block
														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 line_index < len(snake_case					) and len(lines[line_index]					) > 1:
																												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(" " * 8					):
																																			objects.append(line[8:-2]					)
																												line_index += 1

																					if len(snake_case					) > 0:
																												snake_case_      =				objects
														else:
																					line_index += 1

							return backend_specific_objects


def 					UpperCamelCase_(     snake_case							:	Any							,    snake_case							:	Dict					):

							'''simple docstring'''






							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 					UpperCamelCase_(     snake_case							:	List[str]=None					):

							'''simple docstring'''






							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 					UpperCamelCase_(     snake_case							:	Union[str, Any]=False					):

							'''simple docstring'''






							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 diffusers.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'diffusers.utils.dummy_{short_names.get(snake_case							,    snake_case					)}_objects.py. Run `make fix-copies` '
																												    "to fix this."					)


if __name__ == "__main__":
		_SCREAMING_SNAKE_CASE							:       int						=			argparse.ArgumentParser()
		parser.add_argument("--fix_and_overwrite", action="store_true", help="Whether to fix inconsistencies.")
		_SCREAMING_SNAKE_CASE							:       List[str]						=			parser.parse_args()

		check_dummies(args.fix_and_overwrite)










'''simple docstring'''





_SCREAMING_SNAKE_CASE							:       Optional[int]						=			"Alexander Joslin"

import operator as op

from .stack import Stack


def 					UpperCamelCase_(     snake_case							:	str					):

							'''simple docstring'''






							snake_case_      =				{"*": op.mul, "/": op.truediv, "+": op.add, "-": op.sub}

							snake_case_      =				Stack()
							snake_case_      =				Stack()

							for i in equation:
														if i.isdigit():
																					# RULE 1
																					operand_stack.push(int(snake_case					)					)
														elif i in operators:
																					# RULE 2
																					operator_stack.push(snake_case					)
														elif i == ")":
																					# RULE 4
																					snake_case_      =				operator_stack.peek()
																					operator_stack.pop()
																					snake_case_      =				operand_stack.peek()
																					operand_stack.pop()
																					snake_case_      =				operand_stack.peek()
																					operand_stack.pop()

																					snake_case_      =				operators[opr](snake_case							,    snake_case					)
																					operand_stack.push(snake_case					)

    # RULE 5
							return operand_stack.peek()


if __name__ == "__main__":
		_SCREAMING_SNAKE_CASE							:       List[Any]						=			"(5 + ((4 * 2) * (2 + 3)))"
		# answer = 45
		print(F"{equation} = {dijkstras_two_stack_algorithm(equation)}")




