"""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


lowercase__ 	=     logging.get_logger(__name__)




class        __snake_case	(					__lowerCAmelCase    ):



      def __init__(						self   ,      lowercase)     ->      List[str]:





        '''simple docstring'''





        super().__init__()
        a__:					str      							=     nn.ModuleList(lowercase)



      def   lowerCamelCase_       (						self   ,      lowercase   ,      lowercase   ,      lowercase   ,      lowercase   ,      lowercase   ,      lowercase = None   ,      lowercase = None   ,      lowercase = None   ,      lowercase = None   ,      lowercase = False   ,      lowercase = True   ,      )     ->      Union[ControlNetOutput, Tuple]:





        '''simple docstring'''





        for i, (image, scale, controlnet) in enumerate(zip(lowercase   ,      lowercase   ,      self.nets)):
          a__							,   a__:					Optional[int]      							=     controlnet(
              lowercase   ,      lowercase   ,      lowercase   ,      lowercase   ,      lowercase   ,      lowercase   ,      lowercase   ,      lowercase   ,      lowercase   ,      lowercase   ,      lowercase   ,      )

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

        return down_block_res_samples, mid_block_res_sample



      def   lowerCamelCase_       (						self   ,      lowercase   ,      lowercase = True   ,      lowercase = None   ,      lowercase = False   ,      lowercase = None   ,      )     ->      Union[str, Any]:





        '''simple docstring'''





        a__:					Union[str, Any]      							=     0
        a__:					List[str]      							=     save_directory
        for controlnet in self.nets:
          controlnet.save_pretrained(
              lowercase   ,      is_main_process=lowercase   ,      save_function=lowercase   ,      safe_serialization=lowercase   ,      variant=lowercase   ,      )

          idx += 1
          a__:					List[Any]      							=     model_path_to_save + f'_{idx}'



      @classmethod
      def   lowerCamelCase_       (						cls   ,      lowercase   ,      **lowercase)     ->      Union[str, Any]:





        '''simple docstring'''





        a__:					Optional[Any]      							=     0
        a__:					int      							=     []

        # 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`, ...
        a__:					List[str]      							=     pretrained_model_path
        while os.path.isdir(lowercase):
          a__:					Any      							=     ControlNetModel.from_pretrained(lowercase   ,      **lowercase)
          controlnets.append(lowercase)

          idx += 1
          a__:					Union[str, Any]      							=     pretrained_model_path + f'_{idx}'

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

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

        return cls(lowercase)



"""simple docstring"""
import gc
import inspect
import unittest

import torch
from parameterized import parameterized

from diffusers import PriorTransformer
from diffusers.utils import floats_tensor, slow, torch_all_close, torch_device
from diffusers.utils.testing_utils import enable_full_determinism

from .test_modeling_common import ModelTesterMixin


enable_full_determinism()




class        __snake_case	(					__lowerCAmelCase	,				unittest.TestCase    ):
      a__				=		PriorTransformer
      a__				=		"""hidden_states"""



      @property
      def   lowerCamelCase_       (						self)     ->      Tuple:





        '''simple docstring'''





        a__:					Union[str, Any]      							=     4
        a__:					Any      							=     8
        a__:					Optional[Any]      							=     7

        a__:					Tuple      							=     floats_tensor((batch_size, embedding_dim)).to(lowercase)

        a__:					Optional[int]      							=     floats_tensor((batch_size, embedding_dim)).to(lowercase)
        a__:					List[str]      							=     floats_tensor((batch_size, num_embeddings, embedding_dim)).to(lowercase)

        return {
            "hidden_states": hidden_states,
            "timestep": 2,
            "proj_embedding": proj_embedding,
            "encoder_hidden_states": encoder_hidden_states,
        }



      def   lowerCamelCase_       (						self   ,      lowercase=0)     ->      str:





        '''simple docstring'''





        torch.manual_seed(lowercase)
        a__:					Optional[Any]      							=     4
        a__:					Optional[Any]      							=     8
        a__:					Union[str, Any]      							=     7

        a__:					Optional[Any]      							=     torch.randn((batch_size, embedding_dim)).to(lowercase)

        a__:					List[str]      							=     torch.randn((batch_size, embedding_dim)).to(lowercase)
        a__:					Tuple      							=     torch.randn((batch_size, num_embeddings, embedding_dim)).to(lowercase)

        return {
            "hidden_states": hidden_states,
            "timestep": 2,
            "proj_embedding": proj_embedding,
            "encoder_hidden_states": encoder_hidden_states,
        }



      @property
      def   lowerCamelCase_       (						self)     ->      str:





        '''simple docstring'''





        return (4, 8)



      @property
      def   lowerCamelCase_       (						self)     ->      Optional[int]:





        '''simple docstring'''





        return (4, 8)



      def   lowerCamelCase_       (						self)     ->      str:





        '''simple docstring'''





        a__:					int      							=     {
            'num_attention_heads': 2,
            'attention_head_dim': 4,
            'num_layers': 2,
            'embedding_dim': 8,
            'num_embeddings': 7,
            'additional_embeddings': 4,
        }
        a__:					Union[str, Any]      							=     self.dummy_input
        return init_dict, inputs_dict



      def   lowerCamelCase_       (						self)     ->      Union[str, Any]:





        '''simple docstring'''





        a__							,   a__:					Union[str, Any]      							=     PriorTransformer.from_pretrained(
            'hf-internal-testing/prior-dummy'   ,      output_loading_info=lowercase)
        self.assertIsNotNone(lowercase)
        self.assertEqual(len(loading_info['missing_keys'])   ,      0)

        model.to(lowercase)
        a__:					Any      							=     model(**self.dummy_input)[0]

        assert hidden_states is not None, "Make sure output is not None"



      def   lowerCamelCase_       (						self)     ->      List[Any]:





        '''simple docstring'''





        a__							,   a__:					Tuple      							=     self.prepare_init_args_and_inputs_for_common()

        a__:					Any      							=     self.model_class(**lowercase)
        a__:					str      							=     inspect.signature(model.forward)
        # signature.parameters is an OrderedDict => so arg_names order is deterministic
        a__:					Tuple      							=     [*signature.parameters.keys()]

        a__:					List[Any]      							=     ['hidden_states', 'timestep']
        self.assertListEqual(arg_names[:2]   ,      lowercase)



      def   lowerCamelCase_       (						self)     ->      List[Any]:





        '''simple docstring'''





        a__:					str      							=     PriorTransformer.from_pretrained('hf-internal-testing/prior-dummy')
        a__:					str      							=     model.to(lowercase)

        if hasattr(lowercase   ,      'set_default_attn_processor'):
          model.set_default_attn_processor()

        a__:					Dict      							=     self.get_dummy_seed_input()

        with torch.no_grad():
          a__:					str      							=     model(**lowercase)[0]

        a__:					str      							=     output[0, :5].flatten().cpu()
        print(lowercase)

        # Since the VAE Gaussian prior's generator is seeded on the appropriate device,
        # the expected output slices are not the same for CPU and GPU.
        a__:					Any      							=     torch.tensor([-1.3436, -0.2870, 0.7538, 0.4368, -0.0239])
        self.assertTrue(torch_all_close(lowercase   ,      lowercase   ,      rtol=1e-2))







@slow
class        __snake_case	(					unittest.TestCase    ):



      def   lowerCamelCase_       (						self   ,      lowercase=1   ,      lowercase=7_68   ,      lowercase=77   ,      lowercase=0)     ->      int:





        '''simple docstring'''





        torch.manual_seed(lowercase)
        a__:					Union[str, Any]      							=     batch_size
        a__:					List[str]      							=     embedding_dim
        a__:					str      							=     num_embeddings

        a__:					Tuple      							=     torch.randn((batch_size, embedding_dim)).to(lowercase)

        a__:					List[str]      							=     torch.randn((batch_size, embedding_dim)).to(lowercase)
        a__:					str      							=     torch.randn((batch_size, num_embeddings, embedding_dim)).to(lowercase)

        return {
            "hidden_states": hidden_states,
            "timestep": 2,
            "proj_embedding": proj_embedding,
            "encoder_hidden_states": encoder_hidden_states,
        }



      def   lowerCamelCase_       (						self)     ->      List[Any]:





        '''simple docstring'''





        super().tearDown()
        gc.collect()
        torch.cuda.empty_cache()



      @parameterized.expand(
          [
              # fmt: off
              [13, [-0.5861,  0.1283, -0.0931,  0.0882,  0.4476,  0.1329, -0.0498,  0.0640]],
              [37, [-0.4913,  0.0110, -0.0483,  0.0541,  0.4954, -0.0170,  0.0354,  0.1651]],
              # fmt: on
          ])
      def   lowerCamelCase_       (						self   ,      lowercase   ,      lowercase)     ->      str:





        '''simple docstring'''





        a__:					Tuple      							=     PriorTransformer.from_pretrained('kandinsky-community/kandinsky-2-1-prior'   ,      subfolder='prior')
        model.to(lowercase)
        a__:					Optional[Any]      							=     self.get_dummy_seed_input(seed=lowercase)

        with torch.no_grad():
          a__:					Optional[int]      							=     model(**lowercase)[0]

        assert list(sample.shape) == [1, 7_68]

        a__:					List[str]      							=     sample[0, :8].flatten().cpu()
        print(lowercase)
        a__:					Union[str, Any]      							=     torch.tensor(lowercase)

        assert torch_all_close(lowercase   ,      lowercase   ,      atol=1e-3)


