




'''simple docstring'''







import os
from typing import Dict, List, Union

import tensorflow as tf
from keras_nlp.tokenizers import BytePairTokenizer
from tensorflow_text import pad_model_inputs

from .tokenization_gpta import GPTaTokenizer


class     _a						(			tf.keras.layers.Layer				):
       def __init__(			self		:			Dict     ,       lowercase		:			Dict[str, int]     ,       lowercase		:			List[str]     ,       lowercase		:			int = None     ,       lowercase		:			int = None       ):



           '''simple docstring'''

           super().__init__()
           UpperCAmelCase     =	pad_token_id
           UpperCAmelCase     =	max_length
           UpperCAmelCase     =	vocab
           UpperCAmelCase     =	merges
           UpperCAmelCase     =	BytePairTokenizer(lowercase     ,       lowercase     ,       sequence_length=lowercase       )
       @classmethod
       def 					A   (			cls		:			Dict     ,       lowercase		:			GPTaTokenizer     ,       *lowercase		:			Optional[Any]     ,       **lowercase		:			Optional[Any]       ):



           '''simple docstring'''

           UpperCAmelCase     =	[''' '''.join(lowercase       ) for m in tokenizer.bpe_ranks.keys()]
           UpperCAmelCase     =	tokenizer.get_vocab()
           return cls(lowercase     ,       lowercase     ,       *lowercase     ,       **lowercase       )
       @classmethod
       def 					A   (			cls		:			Any     ,       lowercase		:			Union[str, os.PathLike]     ,       *lowercase		:			List[str]     ,       **lowercase		:			Optional[Any]       ):



           '''simple docstring'''

           UpperCAmelCase     =	GPTaTokenizer.from_pretrained(lowercase     ,       *lowercase     ,       **lowercase       )
           return cls.from_tokenizer(lowercase     ,       *lowercase     ,       **lowercase       )
       @classmethod
       def 					A   (			cls		:			str     ,       lowercase		:			Union[str, Any]       ):



           '''simple docstring'''

           return cls(**lowercase       )
       def 					A   (			self		:			Optional[int]       ):



           '''simple docstring'''

           return {
               "vocab": self.vocab,
               "merges": self.merges,
               "max_length": self.max_length,
               "pad_token_id": self.pad_token_id,
           }







       def 					A   (			self		:			str     ,       lowercase		:			Tuple     ,       lowercase		:			int = None       ):



           '''simple docstring'''

           UpperCAmelCase     =	self.tf_tokenizer(lowercase       )
           UpperCAmelCase     =	tf.ones_like(lowercase       )

           if self.pad_token_id is not None:
               # pad the tokens up to max length
               UpperCAmelCase     =	max_length if max_length is not None else self.max_length

               if max_length is not None:
                   UpperCAmelCase ,  UpperCAmelCase     =	pad_model_inputs(
                       lowercase     ,       max_seq_length=lowercase     ,       pad_value=self.pad_token_id       )

           return {"attention_mask": attention_mask, "input_ids": input_ids}










'''simple docstring'''







import gc
import unittest

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

from diffusers import HeunDiscreteScheduler, PriorTransformer, ShapEPipeline
from diffusers.pipelines.shap_e import ShapERenderer
from diffusers.utils import load_numpy, slow
from diffusers.utils.testing_utils import require_torch_gpu, torch_device

from ..test_pipelines_common import PipelineTesterMixin, assert_mean_pixel_difference


class     _a						(			__a							,							unittest.TestCase				):
       __a       :  Tuple            =      ShapEPipeline
       __a       :  Tuple            =      ["""prompt"""]
       __a       :  Tuple            =      ["""prompt"""]
       __a       :  str            =      [
           """num_images_per_prompt""",
           """num_inference_steps""",
           """generator""",
           """latents""",
           """guidance_scale""",
           """frame_size""",
           """output_type""",
           """return_dict""",
       ]
       __a       :  Union[str, Any]            =      False
       @property
       def 					A   (			self		:			Optional[Any]       ):



           '''simple docstring'''

           return 32
       @property
       def 					A   (			self		:			List[Any]       ):



           '''simple docstring'''

           return 32
       @property
       def 					A   (			self		:			Union[str, Any]       ):



           '''simple docstring'''

           return self.time_input_dim * 4
       @property
       def 					A   (			self		:			Dict       ):



           '''simple docstring'''

           return 8
       @property
       def 					A   (			self		:			Optional[Any]       ):



           '''simple docstring'''

           UpperCAmelCase     =	CLIPTokenizer.from_pretrained('''hf-internal-testing/tiny-random-clip'''       )
           return tokenizer
       @property
       def 					A   (			self		:			Union[str, Any]       ):



           '''simple docstring'''

           torch.manual_seed(0       )
           UpperCAmelCase     =	CLIPTextConfig(
               bos_token_id=0     ,       eos_token_id=2     ,       hidden_size=self.text_embedder_hidden_size     ,       projection_dim=self.text_embedder_hidden_size     ,       intermediate_size=37     ,       layer_norm_eps=1E-05     ,       num_attention_heads=4     ,       num_hidden_layers=5     ,       pad_token_id=1     ,       vocab_size=1_000     ,       )
           return CLIPTextModelWithProjection(lowercase       )
       @property
       def 					A   (			self		:			Union[str, Any]       ):



           '''simple docstring'''

           torch.manual_seed(0       )

           UpperCAmelCase     =	{
               '''num_attention_heads''': 2,
               '''attention_head_dim''': 16,
               '''embedding_dim''': self.time_input_dim,
               '''num_embeddings''': 32,
               '''embedding_proj_dim''': self.text_embedder_hidden_size,
               '''time_embed_dim''': self.time_embed_dim,
               '''num_layers''': 1,
               '''clip_embed_dim''': self.time_input_dim * 2,
               '''additional_embeddings''': 0,
               '''time_embed_act_fn''': '''gelu''',
               '''norm_in_type''': '''layer''',
               '''encoder_hid_proj_type''': None,
               '''added_emb_type''': None,
           }

           UpperCAmelCase     =	PriorTransformer(**lowercase       )
           return model
       @property
       def 					A   (			self		:			List[Any]       ):



           '''simple docstring'''

           torch.manual_seed(0       )

           UpperCAmelCase     =	{
               '''param_shapes''': (
                   (self.renderer_dim, 93),
                   (self.renderer_dim, 8),
                   (self.renderer_dim, 8),
                   (self.renderer_dim, 8),
               ),
               '''d_latent''': self.time_input_dim,
               '''d_hidden''': self.renderer_dim,
               '''n_output''': 12,
               '''background''': (
                   0.1,
                   0.1,
                   0.1,
               ),
           }
           UpperCAmelCase     =	ShapERenderer(**lowercase       )
           return model
       def 					A   (			self		:			Tuple       ):



           '''simple docstring'''

           UpperCAmelCase     =	self.dummy_prior
           UpperCAmelCase     =	self.dummy_text_encoder
           UpperCAmelCase     =	self.dummy_tokenizer
           UpperCAmelCase     =	self.dummy_renderer

           UpperCAmelCase     =	HeunDiscreteScheduler(
               beta_schedule='''exp'''     ,       num_train_timesteps=1_024     ,       prediction_type='''sample'''     ,       use_karras_sigmas=lowercase     ,       clip_sample=lowercase     ,       clip_sample_range=1.0     ,       )
           UpperCAmelCase     =	{
               '''prior''': prior,
               '''text_encoder''': text_encoder,
               '''tokenizer''': tokenizer,
               '''renderer''': renderer,
               '''scheduler''': scheduler,
           }

           return components
       def 					A   (			self		:			Dict     ,       lowercase		:			Optional[int]     ,       lowercase		:			Optional[int]=0       ):



           '''simple docstring'''

           if str(lowercase       ).startswith('''mps'''       ):
               UpperCAmelCase     =	torch.manual_seed(lowercase       )
           else:
               UpperCAmelCase     =	torch.Generator(device=lowercase       ).manual_seed(lowercase       )
           UpperCAmelCase     =	{
               '''prompt''': '''horse''',
               '''generator''': generator,
               '''num_inference_steps''': 1,
               '''frame_size''': 32,
               '''output_type''': '''np''',
           }
           return inputs
       def 					A   (			self		:			str       ):



           '''simple docstring'''

           UpperCAmelCase     =	'''cpu'''

           UpperCAmelCase     =	self.get_dummy_components()

           UpperCAmelCase     =	self.pipeline_class(**lowercase       )
           UpperCAmelCase     =	pipe.to(lowercase       )

           pipe.set_progress_bar_config(disable=lowercase       )

           UpperCAmelCase     =	pipe(**self.get_dummy_inputs(lowercase       )       )
           UpperCAmelCase     =	output.images[0]
           UpperCAmelCase     =	image[0, -3:, -3:, -1]

           assert image.shape == (20, 32, 32, 3)

           UpperCAmelCase     =	np.array(
               [
                   0.0003_9216,
                   0.0003_9216,
                   0.0003_9216,
                   0.0003_9216,
                   0.0003_9216,
                   0.0003_9216,
                   0.0003_9216,
                   0.0003_9216,
                   0.0003_9216,
               ]       )

           assert np.abs(image_slice.flatten() - expected_slice       ).max() < 1E-2
       def 					A   (			self		:			int       ):



           '''simple docstring'''

           self._test_inference_batch_consistent(batch_sizes=[1, 2]       )
       def 					A   (			self		:			Dict       ):



           '''simple docstring'''

           UpperCAmelCase     =	torch_device == '''cpu'''
           UpperCAmelCase     =	True

           self._test_inference_batch_single_identical(
               batch_size=2     ,       test_max_difference=lowercase     ,       relax_max_difference=lowercase     ,       )







       def 					A   (			self		:			Any       ):



           '''simple docstring'''

           UpperCAmelCase     =	self.get_dummy_components()
           UpperCAmelCase     =	self.pipeline_class(**lowercase       )
           UpperCAmelCase     =	pipe.to(lowercase       )
           pipe.set_progress_bar_config(disable=lowercase       )

           UpperCAmelCase     =	1
           UpperCAmelCase     =	2

           UpperCAmelCase     =	self.get_dummy_inputs(lowercase       )

           for key in inputs.keys():
               if key in self.batch_params:
                   UpperCAmelCase     =	batch_size * [inputs[key]]

           UpperCAmelCase     =	pipe(**lowercase     ,       num_images_per_prompt=lowercase       )[0]

           assert images.shape[0] == batch_size * num_images_per_prompt






@slow
@require_torch_gpu
class     _a						(			unittest.TestCase				):
       def 					A   (			self		:			str       ):



           '''simple docstring'''

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







       def 					A   (			self		:			int       ):



           '''simple docstring'''

           UpperCAmelCase     =	load_numpy(
               '''https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main'''
               '''/shap_e/test_shap_e_np_out.npy'''       )
           UpperCAmelCase     =	ShapEPipeline.from_pretrained('''openai/shap-e'''       )
           UpperCAmelCase     =	pipe.to(lowercase       )
           pipe.set_progress_bar_config(disable=lowercase       )

           UpperCAmelCase     =	torch.Generator(device=lowercase       ).manual_seed(0       )

           UpperCAmelCase     =	pipe(
               '''a shark'''     ,       generator=lowercase     ,       guidance_scale=15.0     ,       num_inference_steps=64     ,       frame_size=64     ,       output_type='''np'''     ,       ).images[0]

           assert images.shape == (20, 64, 64, 3)

           assert_mean_pixel_difference(lowercase     ,       lowercase       )




