



import os
from typing import Any, Callable, Dict, List, Optional, Tuple, Union

import torch
from torch import nn

from ...models.controlnet import ControlNetModel, ControlNetOutput
from ...models.modeling_utils import ModelMixin
from ...utils import logging


a_						:     Any	     =		logging.get_logger(__name__)





class    lowerCamelCase__  (						UpperCAmelCase_):
     """simple docstring"""



     def __init__(self				,			__a    ):






           '''simple docstring'''



           super().__init__()
           lowerCamelCase								=		nn.ModuleList(__a    )







     def 						_a      (self				,			__a				,			__a				,			__a				,			__a				,			__a				,			__a = None				,			__a = None				,			__a = None				,			__a = None				,			__a = False				,			__a = True				,			):






           '''simple docstring'''



           for i, (image, scale, controlnet) in enumerate(zip(__a				,			__a				,			self.nets    )    ):
                 lowerCamelCase			,							lowerCamelCase								=		controlnet(
                     __a				,			__a				,			__a				,			__a				,			__a				,			__a				,			__a				,			__a				,			__a				,			__a				,			__a				,			)

                 # merge samples
                 if i == 0:
                       lowerCamelCase			,							lowerCamelCase								=		down_samples, mid_sample
                 else:
                       lowerCamelCase								=		[
                           samples_prev + samples_curr
                           for samples_prev, samples_curr in zip(__a				,			__a    )
                       ]
                       mid_block_res_sample += mid_sample

           return down_block_res_samples, mid_block_res_sample







     def 						_a      (self				,			__a				,			__a = True				,			__a = None				,			__a = False				,			__a = None				,			):






           '''simple docstring'''



           lowerCamelCase								=		0
           lowerCamelCase								=		save_directory
           for controlnet in self.nets:
                 controlnet.save_pretrained(
                     __a				,			is_main_process=__a				,			save_function=__a				,			safe_serialization=__a				,			variant=__a				,			)

                 idx += 1
                 lowerCamelCase								=		model_path_to_save + F"""_{idx}"""







     @classmethod
     def 						_a      (cls				,			__a				,			**__a    ):






           '''simple docstring'''



           lowerCamelCase								=		0
           lowerCamelCase								=		[]

           # load controlnet and append to list until no controlnet directory exists anymore
           # first controlnet has to be saved under `./mydirectory/controlnet` to be compliant with `DiffusionPipeline.from_prertained`
           # second, third, ... controlnets have to be saved under `./mydirectory/controlnet_1`, `./mydirectory/controlnet_2`, ...
           lowerCamelCase								=		pretrained_model_path
           while os.path.isdir(__a    ):
                 lowerCamelCase								=		ControlNetModel.from_pretrained(__a				,			**__a    )
                 controlnets.append(__a    )

                 idx += 1
                 lowerCamelCase								=		pretrained_model_path + F"""_{idx}"""

           logger.info(F"""{len(__a    )} controlnets loaded from {pretrained_model_path}."""    )

           if len(__a    ) == 0:
                 raise ValueError(
                     F"""No ControlNets found under {os.path.dirname(__a    )}. Expected at least {pretrained_model_path + "_0"}."""    )

           return cls(__a    )




def     __lowercase(	UpperCAmelCase__ ):


      """simple docstring"""



      lowerCamelCase								=		[]
      lowerCamelCase								=		[]
      lowerCamelCase								=		{
          "^": 3,
          "*": 2,
          "/": 2,
          "%": 2,
          "+": 1,
          "-": 1,
      }  # Priority of each operator
      lowerCamelCase								=		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"""



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

      for i in range(len(UpperCAmelCase__ ) ):
            if infix[i] == "(":
                  lowerCamelCase								=		")"  # change "(" to ")"
            elif infix[i] == ")":
                  lowerCamelCase								=		"("  # change ")" to "("

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


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