


"""simple docstring"""


def _lowerCamelCase	(		_UpperCamelCase      ):

			'''simple docstring'''




			if not isinstance(_UpperCamelCase    , _UpperCamelCase      ):
						raise ValueError("Input must be an integer"      )
			if input_num <= 0:
						raise ValueError("Input must be positive"      )
			return sum(
			    divisor for divisor in range(1    , input_num // 2 + 1      ) if input_num % divisor == 0      )


if __name__ == "__main__":
	import doctest

	doctest.testmod()








'''simple docstring'''

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_  :				Dict						= logging.get_logger(__name__)





class      snake_case    (    lowercase			):





  """simple docstring"""




  def __init__(    self			,  UpperCamelCase     ):







   """simple docstring"""
   super().__init__()
   lowerCamelCase_      =  nn.ModuleList(UpperCamelCase     )






  def   snake_case		(    self			,  UpperCamelCase			,  UpperCamelCase			,  UpperCamelCase			,  UpperCamelCase			,  UpperCamelCase			,  UpperCamelCase = None			,  UpperCamelCase = None			,  UpperCamelCase = None			,  UpperCamelCase = None			,  UpperCamelCase = False			,  UpperCamelCase = True			,  ):







   """simple docstring"""
   for i, (image, scale, controlnet) in enumerate(zip(UpperCamelCase			,  UpperCamelCase			,  self.nets     )     ):
    lowerCamelCase_ ,lowerCamelCase_      =  controlnet(
        UpperCamelCase			,  UpperCamelCase			,  UpperCamelCase			,  UpperCamelCase			,  UpperCamelCase			,  UpperCamelCase			,  UpperCamelCase			,  UpperCamelCase			,  UpperCamelCase			,  UpperCamelCase			,  UpperCamelCase			,  )

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

   return down_block_res_samples, mid_block_res_sample






  def   snake_case		(    self			,  UpperCamelCase			,  UpperCamelCase = True			,  UpperCamelCase = None			,  UpperCamelCase = False			,  UpperCamelCase = None			,  ):







   """simple docstring"""
   lowerCamelCase_      =  0
   lowerCamelCase_      =  save_directory
   for controlnet in self.nets:
    controlnet.save_pretrained(
        UpperCamelCase			,  is_main_process=UpperCamelCase			,  save_function=UpperCamelCase			,  safe_serialization=UpperCamelCase			,  variant=UpperCamelCase			,  )

    idx += 1
    lowerCamelCase_      =  model_path_to_save + f'''_{idx}'''







  @classmethod
  def   snake_case		(    cls			,  UpperCamelCase			,  **UpperCamelCase     ):







   """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(UpperCamelCase     ):
    lowerCamelCase_      =  ControlNetModel.from_pretrained(UpperCamelCase			,  **UpperCamelCase     )
    controlnets.append(UpperCamelCase     )

    idx += 1
    lowerCamelCase_      =  pretrained_model_path + f'''_{idx}'''

   logger.info(f'''{len(UpperCamelCase     )} controlnets loaded from {pretrained_model_path}.'''     )

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

   return cls(UpperCamelCase     )



