


import unittest

from transformers import BigBirdTokenizer, BigBirdTokenizerFast
from transformers.testing_utils import get_tests_dir, require_sentencepiece, require_tokenizers, require_torch, slow
from transformers.utils import cached_property

from ...test_tokenization_common import TokenizerTesterMixin


__a	 =      """▁"""

__a	 =      get_tests_dir("""fixtures/test_sentencepiece.model""")






@require_sentencepiece
@require_tokenizers
class 	__lowercase					(	__snake_case			,       unittest.TestCase	):
      UpperCamelCase										=							BigBirdTokenizer
      UpperCamelCase										=							BigBirdTokenizerFast
      UpperCamelCase										=							True
      UpperCamelCase										=							True





      def 							_lowercase					(		self    :       List[str]							)     -> Tuple:






         """simple docstring"""







         super().setUp()

         UpperCAmelCase      					=  self.tokenizer_class(__lowerCamelCase       ,							keep_accents=__lowerCamelCase							)
         tokenizer.save_pretrained(self.tmpdirname							)





      def 							_lowercase					(		self    :       Dict							)     -> Optional[Any]:






         """simple docstring"""







         UpperCAmelCase      					=  """<s>"""
         UpperCAmelCase      					=  1

         self.assertEqual(self.get_tokenizer()._convert_token_to_id(__lowerCamelCase							)       ,							__lowerCamelCase							)
         self.assertEqual(self.get_tokenizer()._convert_id_to_token(__lowerCamelCase							)       ,							__lowerCamelCase							)





      def 							_lowercase					(		self    :       Any							)     -> Dict:






         """simple docstring"""







         UpperCAmelCase      					=  list(self.get_tokenizer().get_vocab().keys()							)

         self.assertEqual(vocab_keys[0]       ,							"""<unk>"""							)
         self.assertEqual(vocab_keys[1]       ,							"""<s>"""							)
         self.assertEqual(vocab_keys[-1]       ,							"""[MASK]"""							)
         self.assertEqual(len(__lowerCamelCase							)       ,							1_0_0_4							)





      def 							_lowercase					(		self    :       Dict							)     -> Dict:






         """simple docstring"""







         self.assertEqual(self.get_tokenizer().vocab_size       ,							1_0_0_0							)





      def 							_lowercase					(		self    :       Tuple							)     -> Tuple:






         """simple docstring"""







         if not self.test_rust_tokenizer:
            return

         UpperCAmelCase      					=  self.get_tokenizer()
         UpperCAmelCase      					=  self.get_rust_tokenizer()

         UpperCAmelCase      					=  """I was born in 92000, and this is falsé."""

         UpperCAmelCase      					=  tokenizer.tokenize(__lowerCamelCase							)
         UpperCAmelCase      					=  rust_tokenizer.tokenize(__lowerCamelCase							)
         self.assertListEqual(__lowerCamelCase       ,							__lowerCamelCase							)

         UpperCAmelCase      					=  tokenizer.encode(__lowerCamelCase       ,							add_special_tokens=__lowerCamelCase							)
         UpperCAmelCase      					=  rust_tokenizer.encode(__lowerCamelCase       ,							add_special_tokens=__lowerCamelCase							)
         self.assertListEqual(__lowerCamelCase       ,							__lowerCamelCase							)

         UpperCAmelCase      					=  self.get_rust_tokenizer()
         UpperCAmelCase      					=  tokenizer.encode(__lowerCamelCase							)
         UpperCAmelCase      					=  rust_tokenizer.encode(__lowerCamelCase							)
         self.assertListEqual(__lowerCamelCase       ,							__lowerCamelCase							)





      def 							_lowercase					(		self    :       Optional[Any]							)     -> Optional[Any]:






         """simple docstring"""







         UpperCAmelCase      					=  BigBirdTokenizer(__lowerCamelCase       ,							keep_accents=__lowerCamelCase							)

         UpperCAmelCase      					=  tokenizer.tokenize("""This is a test"""							)
         self.assertListEqual(__lowerCamelCase       ,							["""▁This""", """▁is""", """▁a""", """▁t""", """est"""]							)

         self.assertListEqual(
             tokenizer.convert_tokens_to_ids(__lowerCamelCase							)       ,							[2_8_5, 4_6, 1_0, 1_7_0, 3_8_2]       ,							)

         UpperCAmelCase      					=  tokenizer.tokenize("""I was born in 92000, and this is falsé."""							)
         self.assertListEqual(
             __lowerCamelCase       ,							[
                 SPIECE_UNDERLINE + """I""",
                 SPIECE_UNDERLINE + """was""",
                 SPIECE_UNDERLINE + """b""",
                 """or""",
                 """n""",
                 SPIECE_UNDERLINE + """in""",
                 SPIECE_UNDERLINE + """""",
                 """9""",
                 """2""",
                 """0""",
                 """0""",
                 """0""",
                 """,""",
                 SPIECE_UNDERLINE + """and""",
                 SPIECE_UNDERLINE + """this""",
                 SPIECE_UNDERLINE + """is""",
                 SPIECE_UNDERLINE + """f""",
                 """al""",
                 """s""",
                 """é""",
                 """.""",
             ]       ,							)
         UpperCAmelCase      					=  tokenizer.convert_tokens_to_ids(__lowerCamelCase							)
         self.assertListEqual(
             __lowerCamelCase       ,							[8, 2_1, 8_4, 5_5, 2_4, 1_9, 7, 0, 6_0_2, 3_4_7, 3_4_7, 3_4_7, 3, 1_2, 6_6, 4_6, 7_2, 8_0, 6, 0, 4]       ,							)

         UpperCAmelCase      					=  tokenizer.convert_ids_to_tokens(__lowerCamelCase							)
         self.assertListEqual(
             __lowerCamelCase       ,							[
                 SPIECE_UNDERLINE + """I""",
                 SPIECE_UNDERLINE + """was""",
                 SPIECE_UNDERLINE + """b""",
                 """or""",
                 """n""",
                 SPIECE_UNDERLINE + """in""",
                 SPIECE_UNDERLINE + """""",
                 """<unk>""",
                 """2""",
                 """0""",
                 """0""",
                 """0""",
                 """,""",
                 SPIECE_UNDERLINE + """and""",
                 SPIECE_UNDERLINE + """this""",
                 SPIECE_UNDERLINE + """is""",
                 SPIECE_UNDERLINE + """f""",
                 """al""",
                 """s""",
                 """<unk>""",
                 """.""",
             ]       ,							)





      @cached_property
      def 							_lowercase					(		self    :       Dict							)     -> Dict:






         """simple docstring"""







         return BigBirdTokenizer.from_pretrained("""google/bigbird-roberta-base"""							)





      @slow
      def 							_lowercase					(		self    :       int							)     -> List[Any]:






         """simple docstring"""







         UpperCAmelCase      					=  """Hello World!"""
         UpperCAmelCase      					=  [6_5, 1_8_5_3_6, 2_2_6_0, 1_0_1, 6_6]

         self.assertListEqual(__lowerCamelCase       ,							self.big_tokenizer.encode(__lowerCamelCase							)							)





      @slow
      def 							_lowercase					(		self    :       Any							)     -> Optional[int]:






         """simple docstring"""







         UpperCAmelCase      					=  (
             """This is a very long text with a lot of weird characters, such as: . , ~ ? ( ) \" [ ] ! : - . Also we will"""
             """ add words that should not exsist and be tokenized to <unk>, such as saoneuhaoesuth"""
         )
         # fmt: off
         UpperCAmelCase      					=  [6_5, 8_7_1, 4_1_9, 3_5_8, 9_4_6, 9_9_1, 2_5_2_1, 4_5_2, 3_5_8, 1_3_5_7, 3_8_7, 7_7_5_1, 3_5_3_6, 1_1_2, 9_8_5, 4_5_6, 1_2_6, 8_6_5, 9_3_8, 5_4_0_0, 5_7_3_4, 4_5_8, 1_3_6_8, 4_6_7, 7_8_6, 2_4_6_2, 5_2_4_6, 1_1_5_9, 6_3_3, 8_6_5, 4_5_1_9, 4_5_7, 5_8_2, 8_5_2, 2_5_5_7, 4_2_7, 9_1_6, 5_0_8, 4_0_5, 3_4_3_2_4, 4_9_7, 3_9_1, 4_0_8, 1_1_3_4_2, 1_2_4_4, 3_8_5, 1_0_0, 9_3_8, 9_8_5, 4_5_6, 5_7_4, 3_6_2, 1_2_5_9_7, 3_2_0_0, 3_1_2_9, 1_1_7_2, 6_6]  # noqa: E231
         # fmt: on
         self.assertListEqual(__lowerCamelCase       ,							self.big_tokenizer.encode(__lowerCamelCase							)							)





      @require_torch
      @slow
      def 							_lowercase					(		self    :       Any							)     -> Union[str, Any]:






         """simple docstring"""







         import torch

         from transformers import BigBirdConfig, BigBirdModel

         # Build sequence
         UpperCAmelCase      					=  list(self.big_tokenizer.get_vocab().keys()							)[:1_0]
         UpperCAmelCase      					=  """ """.join(__lowerCamelCase							)
         UpperCAmelCase      					=  self.big_tokenizer.encode_plus(__lowerCamelCase       ,							return_tensors="""pt"""       ,							return_token_type_ids=__lowerCamelCase							)
         UpperCAmelCase      					=  self.big_tokenizer.batch_encode_plus(
             [sequence + """ """ + sequence]       ,							return_tensors="""pt"""       ,							return_token_type_ids=__lowerCamelCase							)

         UpperCAmelCase      					=  BigBirdConfig(attention_type="""original_full"""							)
         UpperCAmelCase      					=  BigBirdModel(__lowerCamelCase							)

         assert model.get_input_embeddings().weight.shape[0] >= self.big_tokenizer.vocab_size

         with torch.no_grad():
            model(**__lowerCamelCase							)
            model(**__lowerCamelCase							)





      @slow
      def 							_lowercase					(		self    :       Dict							)     -> Tuple:






         """simple docstring"""







         UpperCAmelCase      					=  BigBirdTokenizer.from_pretrained("""google/bigbird-roberta-base"""							)
         UpperCAmelCase      					=  tokenizer.decode(tokenizer("""Paris is the [MASK]."""							).input_ids							)

         self.assertTrue(decoded_text == """[CLS] Paris is the[MASK].[SEP]"""							)





      @slow
      def 							_lowercase					(		self    :       Optional[Any]							)     -> int:






         """simple docstring"""







         UpperCAmelCase      					=  {"""input_ids""": [[6_5, 3_9_2_8_6, 4_5_8, 3_6_3_3_5, 2_0_0_1, 4_5_6, 1_3_0_7_3, 1_3_2_6_6, 4_5_5, 1_1_3, 7_7_4_6, 1_7_4_1, 1_1_1_5_7, 3_9_1, 1_3_0_7_3, 1_3_2_6_6, 4_5_5, 1_1_3, 3_9_6_7, 3_5_4_1_2, 1_1_3, 4_9_3_6, 1_0_9, 3_8_7_0, 2_3_7_7, 1_1_3, 3_0_0_8_4, 4_5_7_2_0, 4_5_8, 1_3_4, 1_7_4_9_6, 1_1_2, 5_0_3, 1_1_6_7_2, 1_1_3, 1_1_8, 1_1_2, 5_6_6_5, 1_3_3_4_7, 3_8_6_8_7, 1_1_2, 1_4_9_6, 3_1_3_8_9, 1_1_2, 3_2_6_8, 4_7_2_6_4, 1_3_4, 9_6_2, 1_1_2, 1_6_3_7_7, 8_0_3_5, 2_3_1_3_0, 4_3_0, 1_2_1_6_9, 1_5_5_1_8, 2_8_5_9_2, 4_5_8, 1_4_6, 4_1_6_9_7, 1_0_9, 3_9_1, 1_2_1_6_9, 1_5_5_1_8, 1_6_6_8_9, 4_5_8, 1_4_6, 4_1_3_5_8, 1_0_9, 4_5_2, 7_2_6, 4_0_3_4, 1_1_1, 7_6_3, 3_5_4_1_2, 5_0_8_2, 3_8_8, 1_9_0_3, 1_1_1, 9_0_5_1, 3_9_1, 2_8_7_0, 4_8_9_1_8, 1_9_0_0, 1_1_2_3, 5_5_0, 9_9_8, 1_1_2, 9_5_8_6, 1_5_9_8_5, 4_5_5, 3_9_1, 4_1_0, 2_2_9_5_5, 3_7_6_3_6, 1_1_4, 6_6], [6_5, 4_4_8, 1_7_4_9_6, 4_1_9, 3_6_6_3, 3_8_5, 7_6_3, 1_1_3, 2_7_5_3_3, 2_8_7_0, 3_2_8_3, 1_3_0_4_3, 1_6_3_9, 2_4_7_1_3, 5_2_3, 6_5_6, 2_4_0_1_3, 1_8_5_5_0, 2_5_2_1, 5_1_7, 2_7_0_1_4, 2_1_2_4_4, 4_2_0, 1_2_1_2, 1_4_6_5, 3_9_1, 9_2_7, 4_8_3_3, 3_8_8, 5_7_8, 1_1_7_8_6, 1_1_4, 6_6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], [6_5, 4_8_4, 2_1_6_9, 7_6_8_7, 2_1_9_3_2, 1_8_1_4_6, 7_2_6, 3_6_3, 1_7_0_3_2, 3_3_9_1, 1_1_4, 6_6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]], """attention_mask""": [[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]]}  # noqa: E501
         # fmt: on

         self.tokenizer_integration_test_util(
             expected_encoding=__lowerCamelCase       ,							model_name="""google/bigbird-roberta-base"""       ,							revision="""215c99f1600e06f83acce68422f2035b2b5c3510"""       ,							)







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

import numpy as np
import PIL
import torch
from transformers import CLIPImageProcessor, CLIPVisionModel

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


__a	 =      logging.get_logger(__name__)  # pylint: disable=invalid-name

__a	 =      """
    Examples:
        ```py
        >>> from PIL import Image
        >>> import torch
        >>> from diffusers import DiffusionPipeline
        >>> from diffusers.utils import export_to_gif, load_image

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

        >>> repo = \"openai/shap-e-img2img\"
        >>> pipe = DiffusionPipeline.from_pretrained(repo, torch_dtype=torch.float16)
        >>> pipe = pipe.to(device)

        >>> guidance_scale = 3.0
        >>> image_url = \"https://hf.co/datasets/diffusers/docs-images/resolve/main/shap-e/corgi.png\"
        >>> image = load_image(image_url).convert(\"RGB\")

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

        >>> gif_path = export_to_gif(images[0], \"corgi_3d.gif\")
        ```
"""






@dataclass
class 	__lowercase					(	__snake_case	):
      UpperCamelCase										=							42






class 	__lowercase					(	__snake_case	):





      def __init__(		self    :       Any       ,							__lowerCamelCase    :       PriorTransformer       ,							__lowerCamelCase    :       CLIPVisionModel       ,							__lowerCamelCase    :       CLIPImageProcessor       ,							__lowerCamelCase    :       HeunDiscreteScheduler       ,							__lowerCamelCase    :       ShapERenderer       ,							)     -> str:






         """simple docstring"""







         super().__init__()

         self.register_modules(
             prior=__lowerCamelCase       ,							image_encoder=__lowerCamelCase       ,							image_processor=__lowerCamelCase       ,							scheduler=__lowerCamelCase       ,							renderer=__lowerCamelCase       ,							)





      def 							_lowercase					(		self    :       Dict       ,							__lowerCamelCase    :       Optional[int]       ,							__lowerCamelCase    :       Tuple       ,							__lowerCamelCase    :       Dict       ,							__lowerCamelCase    :       int       ,							__lowerCamelCase    :       str       ,							__lowerCamelCase    :       str							)     -> int:






         """simple docstring"""







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

         UpperCAmelCase      					=  latents * scheduler.init_noise_sigma
         return latents





      def 							_lowercase					(		self    :       Optional[Any]       ,							__lowerCamelCase    :       Dict=0							)     -> Optional[int]:






         """simple docstring"""







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

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

         UpperCAmelCase      					=  [self.image_encoder, self.prior]
         for cpu_offloaded_model in models:
            if cpu_offloaded_model is not None:
               cpu_offload(__lowerCamelCase       ,							__lowerCamelCase							)





      @property
      def 							_lowercase					(		self    :       List[str]							)     -> int:






         """simple docstring"""







         if self.device != torch.device("""meta"""							) or not hasattr(self.image_encoder       ,							"""_hf_hook"""							):
            return self.device
         for module in self.image_encoder.modules():
            if (
                hasattr(__lowerCamelCase       ,							"""_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 							_lowercase					(		self    :       List[Any]       ,							__lowerCamelCase    :       int       ,							__lowerCamelCase    :       List[str]       ,							__lowerCamelCase    :       int       ,							__lowerCamelCase    :       Union[str, Any]       ,							)     -> List[str]:






         """simple docstring"""







         if isinstance(__lowerCamelCase       ,							__lowerCamelCase							) and isinstance(image[0]       ,							torch.Tensor							):
            UpperCAmelCase      					=  torch.cat(__lowerCamelCase       ,							axis=0							) if image[0].ndim == 4 else torch.stack(__lowerCamelCase       ,							axis=0							)

         if not isinstance(__lowerCamelCase       ,							torch.Tensor							):
            UpperCAmelCase      					=  self.image_processor(__lowerCamelCase       ,							return_tensors="""pt"""							).pixel_values[0].unsqueeze(0							)

         UpperCAmelCase      					=  image.to(dtype=self.image_encoder.dtype       ,							device=__lowerCamelCase							)

         UpperCAmelCase      					=  self.image_encoder(__lowerCamelCase							)["""last_hidden_state"""]
         UpperCAmelCase      					=  image_embeds[:, 1:, :].contiguous()  # batch_size, dim, 256

         UpperCAmelCase      					=  image_embeds.repeat_interleave(__lowerCamelCase       ,							dim=0							)

         if do_classifier_free_guidance:
            UpperCAmelCase      					=  torch.zeros_like(__lowerCamelCase							)

            # 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
            UpperCAmelCase      					=  torch.cat([negative_image_embeds, image_embeds]							)

         return image_embeds





      @torch.no_grad()
      @replace_example_docstring(__lowerCamelCase							)
      def __call__(		self    :       str       ,							__lowerCamelCase    :       Union[PIL.Image.Image, List[PIL.Image.Image]]       ,							__lowerCamelCase    :       int = 1       ,							__lowerCamelCase    :       int = 2_5       ,							__lowerCamelCase    :       Optional[Union[torch.Generator, List[torch.Generator]]] = None       ,							__lowerCamelCase    :       Optional[torch.FloatTensor] = None       ,							__lowerCamelCase    :       float = 4.0       ,							__lowerCamelCase    :       int = 6_4       ,							__lowerCamelCase    :       Optional[str] = "pil"       ,							__lowerCamelCase    :       bool = True       ,							)     -> Tuple:






         """simple docstring"""







         if isinstance(__lowerCamelCase       ,							PIL.Image.Image							):
            UpperCAmelCase      					=  1
         elif isinstance(__lowerCamelCase       ,							torch.Tensor							):
            UpperCAmelCase      					=  image.shape[0]
         elif isinstance(__lowerCamelCase       ,							__lowerCamelCase							) and isinstance(image[0]       ,							(torch.Tensor, PIL.Image.Image)							):
            UpperCAmelCase      					=  len(__lowerCamelCase							)
         else:
            raise ValueError(
                F"""`image` has to be of type `PIL.Image.Image`, `torch.Tensor`, `List[PIL.Image.Image]` or `List[torch.Tensor]` but is {type(__lowerCamelCase							)}"""							)

         UpperCAmelCase      					=  self._execution_device

         UpperCAmelCase      					=  batch_size * num_images_per_prompt

         UpperCAmelCase      					=  guidance_scale > 1.0
         UpperCAmelCase      					=  self._encode_image(__lowerCamelCase       ,							__lowerCamelCase       ,							__lowerCamelCase       ,							__lowerCamelCase							)

         # prior

         self.scheduler.set_timesteps(__lowerCamelCase       ,							device=__lowerCamelCase							)
         UpperCAmelCase      					=  self.scheduler.timesteps

         UpperCAmelCase      					=  self.prior.config.num_embeddings
         UpperCAmelCase      					=  self.prior.config.embedding_dim

         UpperCAmelCase      					=  self.prepare_latents(
             (batch_size, num_embeddings * embedding_dim)       ,							image_embeds.dtype       ,							__lowerCamelCase       ,							__lowerCamelCase       ,							__lowerCamelCase       ,							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
         UpperCAmelCase      					=  latents.reshape(latents.shape[0]       ,							__lowerCamelCase       ,							__lowerCamelCase							)

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

            UpperCAmelCase      					=  self.prior(
                __lowerCamelCase       ,							timestep=__lowerCamelCase       ,							proj_embedding=__lowerCamelCase       ,							).predicted_image_embedding

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

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

            UpperCAmelCase      					=  self.scheduler.step(
                __lowerCamelCase       ,							timestep=__lowerCamelCase       ,							sample=__lowerCamelCase       ,							).prev_sample

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

         UpperCAmelCase      					=  []
         for i, latent in enumerate(__lowerCamelCase							):
            print()
            UpperCAmelCase      					=  self.renderer.decode(
                latent[None, :]       ,							__lowerCamelCase       ,							size=__lowerCamelCase       ,							ray_batch_size=4_0_9_6       ,							n_coarse_samples=6_4       ,							n_fine_samples=1_2_8       ,							)

            images.append(__lowerCamelCase							)

         UpperCAmelCase      					=  torch.stack(__lowerCamelCase							)

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

         UpperCAmelCase      					=  images.cpu().numpy()

         if output_type == "pil":
            UpperCAmelCase      					=  [self.numpy_to_pil(__lowerCamelCase							) 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=__lowerCamelCase							)



