


import os
import socket
from contextlib import contextmanager

import torch

from ..commands.config.default import write_basic_config  # noqa: F401
from ..state import PartialState
from .dataclasses import DistributedType
from .imports import is_deepspeed_available, is_tpu_available
from .transformer_engine import convert_model
from .versions import is_torch_version


if is_deepspeed_available():
	from deepspeed import DeepSpeedEngine

if is_tpu_available(check_device=False):
	import torch_xla.core.xla_model as xm


def 		lowercase_  (     _UpperCamelCase  ):


			'''simple docstring'''







			if is_torch_version('''<'''       ,			'''2.0.0'''  ) or not hasattr(_A       ,			'''_dynamo'''  ):
						return False
			return isinstance(_A       ,			torch._dynamo.eval_frame.OptimizedModule  )


def 		lowercase_  (     _UpperCamelCase       ,			_UpperCamelCase = True  ):


			'''simple docstring'''







			__lowercase 					=   (torch.nn.parallel.DistributedDataParallel, torch.nn.DataParallel)

			__lowercase 					=   is_compiled_module(_A  )
			if is_compiled:
						__lowercase 					=   model
						__lowercase 					=   model._orig_mod

			if is_deepspeed_available():
						options += (DeepSpeedEngine,)

			while isinstance(_A       ,			_A  ):
						__lowercase 					=   model.module

			if not keep_fpaa_wrapper:
						__lowercase 					=   getattr(_A       ,			'''forward'''  )
						__lowercase 					=   model.__dict__.pop('''_original_forward'''       ,			_A  )
						if original_forward is not None:
									while hasattr(_A       ,			'''__wrapped__'''  ):
												__lowercase 					=   forward.__wrapped__
												if forward == original_forward:
															break
									__lowercase 					=   forward
						if getattr(_A       ,			'''_converted_to_transformer_engine'''       ,			_A  ):
									convert_model(_A       ,			to_transformer_engine=_A  )

			if is_compiled:
						__lowercase 					=   model
						__lowercase 					=   compiled_model

			return model


def 		lowercase_  (     ):


			'''simple docstring'''







			PartialState().wait_for_everyone()


def 		lowercase_  (     _UpperCamelCase       ,			_UpperCamelCase  ):


			'''simple docstring'''







			if PartialState().distributed_type == DistributedType.TPU:
						xm.save(_A       ,			_A  )
			elif PartialState().local_process_index == 0:
						torch.save(_A       ,			_A  )


@contextmanager
def 		lowercase_  (     **_UpperCamelCase  ):


			'''simple docstring'''







			for key, value in kwargs.items():
						__lowercase 					=   str(_A  )

			yield

			for key in kwargs:
						if key.upper() in os.environ:
									del os.environ[key.upper()]


def 		lowercase_  (     _UpperCamelCase  ):


			'''simple docstring'''







			if not hasattr(_A       ,			'''__qualname__'''  ) and not hasattr(_A       ,			'''__name__'''  ):
						__lowercase 					=   getattr(_A       ,			'''__class__'''       ,			_A  )
			if hasattr(_A       ,			'''__qualname__'''  ):
						return obj.__qualname__
			if hasattr(_A       ,			'''__name__'''  ):
						return obj.__name__
			return str(_A  )


def 		lowercase_  (     _UpperCamelCase       ,			_UpperCamelCase  ):


			'''simple docstring'''







			for key, value in source.items():
						if isinstance(_A       ,			_A  ):
									__lowercase 					=   destination.setdefault(_A       ,			{}  )
									merge_dicts(_A       ,			_A  )
						else:
									__lowercase 					=   value

			return destination





def 		lowercase_  (     _UpperCamelCase = None  ):


			'''simple docstring'''







			if port is None:
						__lowercase 					=   2_95_00
			with socket.socket(socket.AF_INET       ,			socket.SOCK_STREAM  ) as s:
						return s.connect_ex(('''localhost''', port)  ) == 0






def 		lowercase_  (     _UpperCamelCase  ):


			'''simple docstring'''







			__lowercase 					=   []
			__lowercase 					=   []
			__lowercase 					=   {
			    '''^''': 3,
			    '''*''': 2,
			    '''/''': 2,
			    '''%''': 2,
			    '''+''': 1,
			    '''-''': 1,
			}  # Priority of each operator
			__lowercase 					=   len(_UpperCamelCase  ) if (len(_UpperCamelCase  ) > 7) else 7

			# Print table header for output
			print(
			    '''Symbol'''.center(8  )       ,			'''Stack'''.center(_UpperCamelCase  )       ,			'''Postfix'''.center(_UpperCamelCase  )       ,			sep=''' | '''       ,			)
			print('''-''' * (print_width * 3 + 7)  )

			for x in infix:
						if x.isalpha() or x.isdigit():
									post_fix.append(_UpperCamelCase  )  # if x is Alphabet / Digit, add it to Postfix
						elif x == "(":
									stack.append(_UpperCamelCase  )  # if x is "(" push to Stack
						elif x == ")":  # if x is ")" pop stack until "(" is encountered
									while stack[-1] != "(":
												post_fix.append(stack.pop()  )  # Pop stack & add the content to Postfix
									stack.pop()
						else:
									if len(_UpperCamelCase  ) == 0:
												stack.append(_UpperCamelCase  )  # If stack is empty, push x to stack
									else:  # while priority of x is not > priority of element in the stack
												while len(_UpperCamelCase  ) > 0 and priority[x] <= priority[stack[-1]]:
															post_fix.append(stack.pop()  )  # pop stack & add to Postfix
												stack.append(_UpperCamelCase  )  # push x to stack

						print(
						    x.center(8  )       ,			(''''''.join(_UpperCamelCase  )).ljust(_UpperCamelCase  )       ,			(''''''.join(_UpperCamelCase  )).ljust(_UpperCamelCase  )       ,			sep=''' | '''       ,			)  # Output in tabular format

			while len(_UpperCamelCase  ) > 0:  # while stack is not empty
						post_fix.append(stack.pop()  )  # pop stack & add to Postfix
						print(
						    ''' '''.center(8  )       ,			(''''''.join(_UpperCamelCase  )).ljust(_UpperCamelCase  )       ,			(''''''.join(_UpperCamelCase  )).ljust(_UpperCamelCase  )       ,			sep=''' | '''       ,			)  # Output in tabular format

			return "".join(_UpperCamelCase  )  # return Postfix as str


def 		lowercase_  (     _UpperCamelCase  ):


			'''simple docstring'''







			__lowercase 					=   list(infix[::-1]  )  # reverse the infix equation

			for i in range(len(_UpperCamelCase  )  ):
						if infix[i] == "(":
									__lowercase 					=   ''')'''  # change "(" to ")"
						elif infix[i] == ")":
									__lowercase 					=   '''('''  # change ")" to "("

			return (infix_2_postfix(''''''.join(_UpperCamelCase  )  ))[
			    ::-1
			]  # call infix_2_postfix on Infix, return reverse of Postfix


if __name__ == "__main__":
	a : Union[str, Any]		=				input('''\nEnter an Infix Equation = ''')  # Input an Infix equation
	a : Optional[Any]		=				''''''.join(Infix.split())  # Remove spaces from the input
	print('''\n\t''', Infix, '''(Infix) -> ''', infix_2_prefix(Infix), '''(Prefix)''')


