





"""simple docstring"""


import inspect
import unittest
import warnings
from typing import List

from transformers import EfficientFormerConfig
from transformers.models.auto import get_values
from transformers.testing_utils import require_torch, require_vision, slow, torch_device
from transformers.utils import cached_property, is_torch_available, is_vision_available

from ...test_configuration_common import ConfigTester
from ...test_modeling_common import ModelTesterMixin, floats_tensor, ids_tensor
from ...test_pipeline_mixin import PipelineTesterMixin


if is_torch_available():
   import torch

   from transformers import (
       MODEL_FOR_IMAGE_CLASSIFICATION_MAPPING,
       MODEL_MAPPING,
       EfficientFormerForImageClassification,
       EfficientFormerForImageClassificationWithTeacher,
       EfficientFormerModel,
   )
   from transformers.models.efficientformer.modeling_efficientformer import (
       EFFICIENTFORMER_PRETRAINED_MODEL_ARCHIVE_LIST,
   )


if is_vision_available():
   from PIL import Image

   from transformers import EfficientFormerImageProcessor



class        lowercase_			:

       def __init__(     self				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE = 13				,   __SCREAMING_SNAKE_CASE = 64				,   __SCREAMING_SNAKE_CASE = 2				,   __SCREAMING_SNAKE_CASE = 3				,   __SCREAMING_SNAKE_CASE = 3				,   __SCREAMING_SNAKE_CASE = True				,   __SCREAMING_SNAKE_CASE = True				,   __SCREAMING_SNAKE_CASE = 128				,   __SCREAMING_SNAKE_CASE=[16, 32, 64, 128]				,   __SCREAMING_SNAKE_CASE = 7				,   __SCREAMING_SNAKE_CASE = 4				,   __SCREAMING_SNAKE_CASE = 37				,   __SCREAMING_SNAKE_CASE = "gelu"				,   __SCREAMING_SNAKE_CASE = 0.1				,   __SCREAMING_SNAKE_CASE = 0.1				,   __SCREAMING_SNAKE_CASE = 10				,   __SCREAMING_SNAKE_CASE = 0.02				,   __SCREAMING_SNAKE_CASE = 2				,   __SCREAMING_SNAKE_CASE = 1				,   __SCREAMING_SNAKE_CASE = 128				,   __SCREAMING_SNAKE_CASE = [2, 2, 2, 2]				,   __SCREAMING_SNAKE_CASE = 2				,   __SCREAMING_SNAKE_CASE = 2				,   ):






        '''simple docstring'''

        snake_case__      							=			parent
        snake_case__      							=			batch_size
        snake_case__      							=			image_size
        snake_case__      							=			patch_size
        snake_case__      							=			num_channels
        snake_case__      							=			is_training
        snake_case__      							=			use_labels
        snake_case__      							=			hidden_size
        snake_case__      							=			num_hidden_layers
        snake_case__      							=			num_attention_heads
        snake_case__      							=			intermediate_size
        snake_case__      							=			hidden_act
        snake_case__      							=			hidden_dropout_prob
        snake_case__      							=			attention_probs_dropout_prob
        snake_case__      							=			type_sequence_label_size
        snake_case__      							=			initializer_range
        snake_case__      							=			encoder_stride
        snake_case__      							=			num_attention_outputs
        snake_case__      							=			embed_dim
        snake_case__      							=			embed_dim + 1
        snake_case__      							=			resolution
        snake_case__      							=			depths
        snake_case__      							=			hidden_sizes
        snake_case__      							=			dim
        snake_case__      							=			mlp_expansion_ratio

       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        snake_case__      							=			floats_tensor([self.batch_size, self.num_channels, self.image_size, self.image_size]       )

        snake_case__      							=			None
        if self.use_labels:
         snake_case__      							=			ids_tensor([self.batch_size]				,   self.type_sequence_label_size       )

        snake_case__      							=			self.get_config()
        return config, pixel_values, labels

       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        return EfficientFormerConfig(
            image_size=self.image_size				,   patch_size=self.patch_size				,   num_channels=self.num_channels				,   hidden_size=self.hidden_size				,   num_hidden_layers=self.num_hidden_layers				,   num_attention_heads=self.num_attention_heads				,   intermediate_size=self.intermediate_size				,   hidden_act=self.hidden_act				,   hidden_dropout_prob=self.hidden_dropout_prob				,   attention_probs_dropout_prob=self.attention_probs_dropout_prob				,   is_decoder=__SCREAMING_SNAKE_CASE				,   initializer_range=self.initializer_range				,   encoder_stride=self.encoder_stride				,   resolution=self.resolution				,   depths=self.depths				,   hidden_sizes=self.hidden_sizes				,   dim=self.dim				,   mlp_expansion_ratio=self.mlp_expansion_ratio				,   )

       def 						_SCREAMING_SNAKE_CASE(     self				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE       ):






        '''simple docstring'''

        snake_case__      							=			EfficientFormerModel(config=__SCREAMING_SNAKE_CASE       )
        model.to(__SCREAMING_SNAKE_CASE       )
        model.eval()
        snake_case__      							=			model(__SCREAMING_SNAKE_CASE       )
        self.parent.assertEqual(result.last_hidden_state.shape				,   (self.batch_size, self.seq_length, self.hidden_size)       )

       def 						_SCREAMING_SNAKE_CASE(     self				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE       ):






        '''simple docstring'''

        snake_case__      							=			self.type_sequence_label_size
        snake_case__      							=			EfficientFormerForImageClassification(__SCREAMING_SNAKE_CASE       )
        model.to(__SCREAMING_SNAKE_CASE       )
        model.eval()
        snake_case__      							=			model(__SCREAMING_SNAKE_CASE				,   labels=__SCREAMING_SNAKE_CASE       )
        self.parent.assertEqual(result.logits.shape				,   (self.batch_size, self.type_sequence_label_size)       )

        # test greyscale images
        snake_case__      							=			1
        snake_case__      							=			EfficientFormerForImageClassification(__SCREAMING_SNAKE_CASE       )
        model.to(__SCREAMING_SNAKE_CASE       )
        model.eval()

        snake_case__      							=			floats_tensor([self.batch_size, 1, self.image_size, self.image_size]       )
        snake_case__      							=			model(__SCREAMING_SNAKE_CASE       )
        self.parent.assertEqual(result.logits.shape				,   (self.batch_size, self.type_sequence_label_size)       )

       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        snake_case__      							=			self.prepare_config_and_inputs()
        (
            (
            snake_case__				
        )							,				(
            snake_case__				
        )							,				(
            snake_case__				
        )							,								
        )      							=			config_and_inputs
        snake_case__      							=			{"pixel_values": pixel_values}
        return config, inputs_dict



@require_torch
class        lowercase_			(       __lowerCAmelCase			,__lowerCAmelCase			,unittest.TestCase							):
       snake_case__			:							str										=       (
           (
               EfficientFormerModel,
               EfficientFormerForImageClassificationWithTeacher,
               EfficientFormerForImageClassification,
           )
           if is_torch_available()
           else ()
       )
       snake_case__			:							Optional[Any]										=       (
           {
               """feature-extraction""": EfficientFormerModel,
               """image-classification""": (
                   EfficientFormerForImageClassification,
                   EfficientFormerForImageClassificationWithTeacher,
               ),
           }
           if is_torch_available()
           else {}
       )
       snake_case__			:							Tuple										=       False

       snake_case__			:							List[Any]										=       False
       snake_case__			:							Union[str, Any]										=       False
       snake_case__			:							Optional[Any]										=       False

       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        snake_case__      							=			EfficientFormerModelTester(self       )
        snake_case__      							=			ConfigTester(
            self				,   config_class=__SCREAMING_SNAKE_CASE				,   has_text_modality=__SCREAMING_SNAKE_CASE				,   hidden_size=37       )

       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        self.config_tester.run_common_tests()

       @unittest.skip(reason="EfficientFormer does not use inputs_embeds"       )
       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        pass

       @unittest.skip(reason="EfficientFormer does not support input and output embeddings"       )
       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        pass

       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        snake_case__							,				snake_case__      							=			self.model_tester.prepare_config_and_inputs_for_common()

        for model_class in self.all_model_classes:
         snake_case__      							=			model_class(__SCREAMING_SNAKE_CASE       )
         snake_case__      							=			inspect.signature(model.forward       )
         # signature.parameters is an OrderedDict => so arg_names order is deterministic
         snake_case__      							=			[*signature.parameters.keys()]

         snake_case__      							=			["pixel_values"]
         self.assertListEqual(arg_names[:1]				,   __SCREAMING_SNAKE_CASE       )

       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        def check_hidden_states_output(__SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE       ):
         snake_case__      							=			model_class(__SCREAMING_SNAKE_CASE       )
         model.to(__SCREAMING_SNAKE_CASE       )
         model.eval()

         with torch.no_grad():
          snake_case__      							=			model(**self._prepare_for_class(__SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE       )       )

         snake_case__      							=			outputs.encoder_hidden_states if config.is_encoder_decoder else outputs.hidden_states

         snake_case__      							=			getattr(
             self.model_tester				,   "expected_num_hidden_layers"				,   self.model_tester.num_hidden_layers + 1       )
         self.assertEqual(len(__SCREAMING_SNAKE_CASE       )				,   __SCREAMING_SNAKE_CASE       )

         if hasattr(self.model_tester				,   "encoder_seq_length"       ):
          snake_case__      							=			self.model_tester.encoder_seq_length
          if hasattr(self.model_tester				,   "chunk_length"       ) and self.model_tester.chunk_length > 1:
           snake_case__      							=			seq_length * self.model_tester.chunk_length
         else:
          snake_case__      							=			self.model_tester.seq_length

         self.assertListEqual(
             list(hidden_states[-1].shape[-2:]       )				,   [seq_length, self.model_tester.hidden_size]				,   )

         if config.is_encoder_decoder:
          snake_case__      							=			outputs.decoder_hidden_states

          self.assertIsInstance(__SCREAMING_SNAKE_CASE				,   (list, tuple)       )
          self.assertEqual(len(__SCREAMING_SNAKE_CASE       )				,   __SCREAMING_SNAKE_CASE       )
          snake_case__      							=			getattr(self.model_tester				,   "seq_length"				,   __SCREAMING_SNAKE_CASE       )
          snake_case__      							=			getattr(self.model_tester				,   "decoder_seq_length"				,   __SCREAMING_SNAKE_CASE       )

          self.assertListEqual(
              list(hidden_states[-1].shape[-2:]       )				,   [decoder_seq_length, self.model_tester.hidden_size]				,   )

        snake_case__							,				snake_case__      							=			self.model_tester.prepare_config_and_inputs_for_common()

        for model_class in self.all_model_classes:
         snake_case__      							=			True
         check_hidden_states_output(__SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE       )

         # check that output_hidden_states also work using config
         del inputs_dict["output_hidden_states"]
         snake_case__      							=			True

         check_hidden_states_output(__SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE       )

       def 						_SCREAMING_SNAKE_CASE(     self				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE=False       ):






        '''simple docstring'''

        snake_case__      							=			super()._prepare_for_class(__SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   return_labels=__SCREAMING_SNAKE_CASE       )

        if return_labels:
         if model_class.__name__ == "EfficientFormerForImageClassificationWithTeacher":
          del inputs_dict["labels"]

        return inputs_dict

       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        snake_case__      							=			self.model_tester.prepare_config_and_inputs()
        self.model_tester.create_and_check_model(*__SCREAMING_SNAKE_CASE       )

       @unittest.skip(reason="EfficientFormer does not implement masked image modeling yet"       )
       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        snake_case__      							=			self.model_tester.prepare_config_and_inputs()
        self.model_tester.create_and_check_for_masked_image_modeling(*__SCREAMING_SNAKE_CASE       )

       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        snake_case__      							=			self.model_tester.prepare_config_and_inputs()
        self.model_tester.create_and_check_for_image_classification(*__SCREAMING_SNAKE_CASE       )

       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        if not self.model_tester.is_training:
         return

        snake_case__							,				snake_case__      							=			self.model_tester.prepare_config_and_inputs_for_common()
        snake_case__      							=			True

        for model_class in self.all_model_classes:
         # EfficientFormerForImageClassificationWithTeacher supports inference-only
         if (
             model_class in get_values(__SCREAMING_SNAKE_CASE       )
             or model_class.__name__ == "EfficientFormerForImageClassificationWithTeacher"
         ):
          continue
         snake_case__      							=			model_class(__SCREAMING_SNAKE_CASE       )
         model.to(__SCREAMING_SNAKE_CASE       )
         model.train()
         snake_case__      							=			self._prepare_for_class(__SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   return_labels=__SCREAMING_SNAKE_CASE       )
         snake_case__      							=			model(**__SCREAMING_SNAKE_CASE       ).loss
         loss.backward()

       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        snake_case__							,				snake_case__      							=			self.model_tester.prepare_config_and_inputs_for_common()

        snake_case__      							=			[
            {"title": "multi_label_classification", "num_labels": 2, "dtype": torch.float},
            {"title": "single_label_classification", "num_labels": 1, "dtype": torch.long},
            {"title": "regression", "num_labels": 1, "dtype": torch.float},
        ]

        for model_class in self.all_model_classes:
         if (
             model_class
             not in [
                 *get_values(__SCREAMING_SNAKE_CASE       ),
             ]
             or model_class.__name__ == "EfficientFormerForImageClassificationWithTeacher"
         ):
          continue

         for problem_type in problem_types:
          with self.subTest(msg=F"Testing {model_class} with {problem_type['title']}"       ):
           snake_case__      							=			problem_type["title"]
           snake_case__      							=			problem_type["num_labels"]

           snake_case__      							=			model_class(__SCREAMING_SNAKE_CASE       )
           model.to(__SCREAMING_SNAKE_CASE       )
           model.train()

           snake_case__      							=			self._prepare_for_class(__SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   return_labels=__SCREAMING_SNAKE_CASE       )

           if problem_type["num_labels"] > 1:
            snake_case__      							=			inputs["labels"].unsqueeze(1       ).repeat(1				,   problem_type["num_labels"]       )

           snake_case__      							=			inputs["labels"].to(problem_type["dtype"]       )

           # This tests that we do not trigger the warning form PyTorch "Using a target size that is different
           # to the input size. This will likely lead to incorrect results due to broadcasting. Please ensure
           # they have the same size." which is a symptom something in wrong for the regression problem.
           # See https://github.com/huggingface/transformers/issues/11780
           with warnings.catch_warnings(record=__SCREAMING_SNAKE_CASE       ) as warning_list:
            snake_case__      							=			model(**__SCREAMING_SNAKE_CASE       ).loss
           for w in warning_list:
            if "Using a target size that is different to the input size" in str(w.message       ):
             raise ValueError(
                 F"Something is going wrong in the regression problem: intercepted {w.message}"       )

           loss.backward()

       @slow
       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        for model_name in EFFICIENTFORMER_PRETRAINED_MODEL_ARCHIVE_LIST[:1]:
         snake_case__      							=			EfficientFormerModel.from_pretrained(__SCREAMING_SNAKE_CASE       )
         self.assertIsNotNone(__SCREAMING_SNAKE_CASE       )

       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        snake_case__							,				snake_case__      							=			self.model_tester.prepare_config_and_inputs_for_common()
        snake_case__      							=			True

        snake_case__      							=			getattr(self.model_tester				,   "seq_length"				,   __SCREAMING_SNAKE_CASE       )
        snake_case__      							=			getattr(self.model_tester				,   "encoder_seq_length"				,   __SCREAMING_SNAKE_CASE       )
        snake_case__      							=			getattr(self.model_tester				,   "key_length"				,   __SCREAMING_SNAKE_CASE       )
        snake_case__      							=			getattr(self.model_tester				,   "chunk_length"				,   __SCREAMING_SNAKE_CASE       )

        if chunk_length is not None and hasattr(self.model_tester				,   "num_hashes"       ):
         snake_case__      							=			encoder_seq_length * self.model_tester.num_hashes

        for model_class in self.all_model_classes:
         snake_case__      							=			True
         snake_case__      							=			False
         snake_case__      							=			True
         snake_case__      							=			model_class(__SCREAMING_SNAKE_CASE       )
         model.to(__SCREAMING_SNAKE_CASE       )
         model.eval()
         with torch.no_grad():
          snake_case__      							=			model(**self._prepare_for_class(__SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE       )       )
         snake_case__      							=			outputs.encoder_attentions if config.is_encoder_decoder else outputs.attentions
         self.assertEqual(len(__SCREAMING_SNAKE_CASE       )				,   self.model_tester.num_attention_outputs       )

         # check that output_attentions also work using config
         del inputs_dict["output_attentions"]
         snake_case__      							=			True
         snake_case__      							=			model_class(__SCREAMING_SNAKE_CASE       )
         model.to(__SCREAMING_SNAKE_CASE       )
         model.eval()
         with torch.no_grad():
          snake_case__      							=			model(**self._prepare_for_class(__SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE       )       )
         snake_case__      							=			outputs.encoder_attentions if config.is_encoder_decoder else outputs.attentions
         self.assertEqual(len(__SCREAMING_SNAKE_CASE       )				,   self.model_tester.num_attention_outputs       )

         if chunk_length is not None:
          self.assertListEqual(
              list(attentions[0].shape[-4:]       )				,   [self.model_tester.num_attention_heads, encoder_seq_length, chunk_length, encoder_key_length]				,   )
         else:
          self.assertListEqual(
              list(attentions[0].shape[-3:]       )				,   [self.model_tester.num_attention_heads, encoder_seq_length, encoder_key_length]				,   )





def 							a__     (					)      ->					Dict:

 '''simple docstring'''






 snake_case__      							=			Image.open("./tests/fixtures/tests_samples/COCO/000000039769.png"		)
 return image



@require_torch
@require_vision
class        lowercase_			(       unittest.TestCase							):

       @cached_property
       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        return (
            EfficientFormerImageProcessor.from_pretrained("snap-research/efficientformer-l1-300"       )
            if is_vision_available()
            else None
        )

       @slow
       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        snake_case__      							=			EfficientFormerForImageClassification.from_pretrained("snap-research/efficientformer-l1-300"       ).to(
            __SCREAMING_SNAKE_CASE       )

        snake_case__      							=			self.default_image_processor
        snake_case__      							=			prepare_img()
        snake_case__      							=			image_processor(images=__SCREAMING_SNAKE_CASE				,   return_tensors="pt"       ).to(__SCREAMING_SNAKE_CASE       )

        # forward pass
        with torch.no_grad():
         snake_case__      							=			model(**__SCREAMING_SNAKE_CASE       )

        # verify the logits
        snake_case__      							=			(1, 1000)
        self.assertEqual(outputs.logits.shape				,   __SCREAMING_SNAKE_CASE       )

        snake_case__      							=			torch.tensor([-0.0555, 0.4825, -0.0852]       ).to(__SCREAMING_SNAKE_CASE       )
        self.assertTrue(torch.allclose(outputs.logits[0][:3]				,   __SCREAMING_SNAKE_CASE				,   atol=1e-4       )       )

       @slow
       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        snake_case__      							=			EfficientFormerForImageClassificationWithTeacher.from_pretrained(
            "snap-research/efficientformer-l1-300"       ).to(__SCREAMING_SNAKE_CASE       )

        snake_case__      							=			self.default_image_processor
        snake_case__      							=			prepare_img()
        snake_case__      							=			image_processor(images=__SCREAMING_SNAKE_CASE				,   return_tensors="pt"       ).to(__SCREAMING_SNAKE_CASE       )

        # forward pass
        with torch.no_grad():
         snake_case__      							=			model(**__SCREAMING_SNAKE_CASE       )

        # verify the logits
        snake_case__      							=			(1, 1000)
        self.assertEqual(outputs.logits.shape				,   __SCREAMING_SNAKE_CASE       )

        snake_case__      							=			torch.tensor([-0.1312, 0.4353, -1.0499]       ).to(__SCREAMING_SNAKE_CASE       )
        self.assertTrue(torch.allclose(outputs.logits[0][:3]				,   __SCREAMING_SNAKE_CASE				,   atol=1e-4       )       )








"""simple docstring"""


import math
from dataclasses import dataclass
from typing import List, Optional, Union

import numpy as np
import PIL
import torch
from transformers import CLIPTextModelWithProjection, CLIPTokenizer

from ...models import PriorTransformer
from ...pipelines import DiffusionPipeline
from ...schedulers import HeunDiscreteScheduler
from ...utils import (
    BaseOutput,
    is_accelerate_available,
    is_accelerate_version,
    logging,
    randn_tensor,
    replace_example_docstring,
)
from .renderer import ShapERenderer


a__   :       Optional[Any]   						=			logging.get_logger(__name__)  # pylint: disable=invalid-name

a__   :       Tuple   						=			"""
    Examples:
        ```py
        >>> import torch
        >>> from diffusers import DiffusionPipeline
        >>> from diffusers.utils import export_to_gif

        >>> device = torch.device(\"cuda\" if torch.cuda.is_available() else \"cpu\")

        >>> repo = \"openai/shap-e\"
        >>> pipe = DiffusionPipeline.from_pretrained(repo, torch_dtype=torch.float16)
        >>> pipe = pipe.to(device)

        >>> guidance_scale = 15.0
        >>> prompt = \"a shark\"

        >>> images = pipe(
        ...     prompt,
        ...     guidance_scale=guidance_scale,
        ...     num_inference_steps=64,
        ...     frame_size=256,
        ... ).images

        >>> gif_path = export_to_gif(images[0], \"shark_3d.gif\")
        ```
"""



@dataclass
class        lowercase_			(       __lowerCAmelCase							):
       snake_case__			:							Union[List[List[PIL.Image.Image]], List[List[np.ndarray]]]



class        lowercase_			(       __lowerCAmelCase							):

       def __init__(     self				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   ):






        '''simple docstring'''

        super().__init__()

        self.register_modules(
            prior=__SCREAMING_SNAKE_CASE				,   text_encoder=__SCREAMING_SNAKE_CASE				,   tokenizer=__SCREAMING_SNAKE_CASE				,   scheduler=__SCREAMING_SNAKE_CASE				,   renderer=__SCREAMING_SNAKE_CASE				,   )

       def 						_SCREAMING_SNAKE_CASE(     self				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE       ):






        '''simple docstring'''

        if latents is None:
         snake_case__      							=			randn_tensor(__SCREAMING_SNAKE_CASE				,   generator=__SCREAMING_SNAKE_CASE				,   device=__SCREAMING_SNAKE_CASE				,   dtype=__SCREAMING_SNAKE_CASE       )
        else:
         if latents.shape != shape:
          raise ValueError(F"Unexpected latents shape, got {latents.shape}, expected {shape}"       )
         snake_case__      							=			latents.to(__SCREAMING_SNAKE_CASE       )

        snake_case__      							=			latents * scheduler.init_noise_sigma
        return latents

       def 						_SCREAMING_SNAKE_CASE(     self				,   __SCREAMING_SNAKE_CASE=0       ):






        '''simple docstring'''

        if is_accelerate_available():
         from accelerate import cpu_offload
        else:
         raise ImportError("Please install accelerate via `pip install accelerate`"       )

        snake_case__      							=			torch.device(F"cuda:{gpu_id}"       )

        snake_case__      							=			[self.text_encoder, self.prior]
        for cpu_offloaded_model in models:
         if cpu_offloaded_model is not None:
          cpu_offload(__SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE       )

       def 						_SCREAMING_SNAKE_CASE(     self				,   __SCREAMING_SNAKE_CASE=0       ):






        '''simple docstring'''

        if is_accelerate_available() and is_accelerate_version(">="				,   "0.17.0.dev0"       ):
         from accelerate import cpu_offload_with_hook
        else:
         raise ImportError("`enable_model_cpu_offload` requires `accelerate v0.17.0` or higher."       )

        snake_case__      							=			torch.device(F"cuda:{gpu_id}"       )

        if self.device.type != "cpu":
         self.to("cpu"				,   silence_dtype_warnings=__SCREAMING_SNAKE_CASE       )
         torch.cuda.empty_cache()  # otherwise we don't see the memory savings (but they probably exist)

        snake_case__      							=			None
        for cpu_offloaded_model in [self.text_encoder, self.prior, self.renderer]:
         snake_case__							,				snake_case__      							=			cpu_offload_with_hook(__SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   prev_module_hook=__SCREAMING_SNAKE_CASE       )

        if self.safety_checker is not None:
         snake_case__							,				snake_case__      							=			cpu_offload_with_hook(self.safety_checker				,   __SCREAMING_SNAKE_CASE				,   prev_module_hook=__SCREAMING_SNAKE_CASE       )

        # We'll offload the last model manually.
        snake_case__      							=			hook

       @property
       def 						_SCREAMING_SNAKE_CASE(     self       ):






        '''simple docstring'''

        if self.device != torch.device("meta"       ) or not hasattr(self.text_encoder				,   "_hf_hook"       ):
         return self.device
        for module in self.text_encoder.modules():
         if (
             hasattr(__SCREAMING_SNAKE_CASE				,   "_hf_hook"       )
             and hasattr(module._hf_hook				,   "execution_device"       )
             and module._hf_hook.execution_device is not None
         ):
          return torch.device(module._hf_hook.execution_device       )
        return self.device

       def 						_SCREAMING_SNAKE_CASE(     self				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   ):






        '''simple docstring'''

        len(__SCREAMING_SNAKE_CASE       ) if isinstance(__SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE       ) else 1

        # YiYi Notes: set pad_token_id to be 0, not sure why I can't set in the config file
        snake_case__      							=			0
        # get prompt text embeddings
        snake_case__      							=			self.tokenizer(
            __SCREAMING_SNAKE_CASE				,   padding="max_length"				,   max_length=self.tokenizer.model_max_length				,   truncation=__SCREAMING_SNAKE_CASE				,   return_tensors="pt"				,   )
        snake_case__      							=			text_inputs.input_ids
        snake_case__      							=			self.tokenizer(__SCREAMING_SNAKE_CASE				,   padding="longest"				,   return_tensors="pt"       ).input_ids

        if untruncated_ids.shape[-1] >= text_input_ids.shape[-1] and not torch.equal(__SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE       ):
         snake_case__      							=			self.tokenizer.batch_decode(untruncated_ids[:, self.tokenizer.model_max_length - 1 : -1]       )
         logger.warning(
             "The following part of your input was truncated because CLIP can only handle sequences up to"
             F" {self.tokenizer.model_max_length} tokens: {removed_text}"       )

        snake_case__      							=			self.text_encoder(text_input_ids.to(__SCREAMING_SNAKE_CASE       )       )
        snake_case__      							=			text_encoder_output.text_embeds

        snake_case__      							=			prompt_embeds.repeat_interleave(__SCREAMING_SNAKE_CASE				,   dim=0       )
        # in Shap-E it normalize the prompt_embeds and then later rescale it
        snake_case__      							=			prompt_embeds / torch.linalg.norm(__SCREAMING_SNAKE_CASE				,   dim=-1				,   keepdim=__SCREAMING_SNAKE_CASE       )

        if do_classifier_free_guidance:
         snake_case__      							=			torch.zeros_like(__SCREAMING_SNAKE_CASE       )

         # For classifier free guidance, we need to do two forward passes.
         # Here we concatenate the unconditional and text embeddings into a single batch
         # to avoid doing two forward passes
         snake_case__      							=			torch.cat([negative_prompt_embeds, prompt_embeds]       )

        # Rescale the features to have unit variance
        snake_case__      							=			math.sqrt(prompt_embeds.shape[1]       ) * prompt_embeds

        return prompt_embeds

       @torch.no_grad()
       @replace_example_docstring(__SCREAMING_SNAKE_CASE       )
       def __call__(     self				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE = 1				,   __SCREAMING_SNAKE_CASE = 25				,   __SCREAMING_SNAKE_CASE = None				,   __SCREAMING_SNAKE_CASE = None				,   __SCREAMING_SNAKE_CASE = 4.0				,   __SCREAMING_SNAKE_CASE = 64				,   __SCREAMING_SNAKE_CASE = "pil"				,   __SCREAMING_SNAKE_CASE = True				,   ):






        '''simple docstring'''

        if isinstance(__SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE       ):
         snake_case__      							=			1
        elif isinstance(__SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE       ):
         snake_case__      							=			len(__SCREAMING_SNAKE_CASE       )
        else:
         raise ValueError(F"`prompt` has to be of type `str` or `list` but is {type(__SCREAMING_SNAKE_CASE       )}"       )

        snake_case__      							=			self._execution_device

        snake_case__      							=			batch_size * num_images_per_prompt

        snake_case__      							=			guidance_scale > 1.0
        snake_case__      							=			self._encode_prompt(__SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE       )

        # prior

        self.scheduler.set_timesteps(__SCREAMING_SNAKE_CASE				,   device=__SCREAMING_SNAKE_CASE       )
        snake_case__      							=			self.scheduler.timesteps

        snake_case__      							=			self.prior.config.num_embeddings
        snake_case__      							=			self.prior.config.embedding_dim

        snake_case__      							=			self.prepare_latents(
            (batch_size, num_embeddings * embedding_dim)				,   prompt_embeds.dtype				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE				,   self.scheduler				,   )

        # YiYi notes: for testing only to match ldm, we can directly create a latents with desired shape: batch_size, num_embeddings, embedding_dim
        snake_case__      							=			latents.reshape(latents.shape[0]				,   __SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE       )

        for i, t in enumerate(self.progress_bar(__SCREAMING_SNAKE_CASE       )       ):
         # expand the latents if we are doing classifier free guidance
         snake_case__      							=			torch.cat([latents] * 2       ) if do_classifier_free_guidance else latents
         snake_case__      							=			self.scheduler.scale_model_input(__SCREAMING_SNAKE_CASE				,   __SCREAMING_SNAKE_CASE       )

         snake_case__      							=			self.prior(
             __SCREAMING_SNAKE_CASE				,   timestep=__SCREAMING_SNAKE_CASE				,   proj_embedding=__SCREAMING_SNAKE_CASE				,   ).predicted_image_embedding

         # remove the variance
         snake_case__							,				snake_case__      							=			noise_pred.split(
             scaled_model_input.shape[2]				,   dim=2       )  # batch_size, num_embeddings, embedding_dim

         if do_classifier_free_guidance is not None:
          snake_case__							,				snake_case__      							=			noise_pred.chunk(2       )
          snake_case__      							=			noise_pred_uncond + guidance_scale * (noise_pred - noise_pred_uncond)

         snake_case__      							=			self.scheduler.step(
             __SCREAMING_SNAKE_CASE				,   timestep=__SCREAMING_SNAKE_CASE				,   sample=__SCREAMING_SNAKE_CASE				,   ).prev_sample

        if output_type == "latent":
         return ShapEPipelineOutput(images=__SCREAMING_SNAKE_CASE       )

        snake_case__      							=			[]
        for i, latent in enumerate(__SCREAMING_SNAKE_CASE       ):
         snake_case__      							=			self.renderer.decode(
             latent[None, :]				,   __SCREAMING_SNAKE_CASE				,   size=__SCREAMING_SNAKE_CASE				,   ray_batch_size=4096				,   n_coarse_samples=64				,   n_fine_samples=128				,   )
         images.append(__SCREAMING_SNAKE_CASE       )

        snake_case__      							=			torch.stack(__SCREAMING_SNAKE_CASE       )

        if output_type not in ["np", "pil"]:
         raise ValueError(F"Only the output types `pil` and `np` are supported not output_type={output_type}"       )

        snake_case__      							=			images.cpu().numpy()

        if output_type == "pil":
         snake_case__      							=			[self.numpy_to_pil(__SCREAMING_SNAKE_CASE       ) for image in images]

        # Offload last model to CPU
        if hasattr(self				,   "final_offload_hook"       ) and self.final_offload_hook is not None:
         self.final_offload_hook.offload()

        if not return_dict:
         return (images,)

        return ShapEPipelineOutput(images=__SCREAMING_SNAKE_CASE       )

