

"""simple docstring"""






import logging
import os
from dataclasses import dataclass, field
from functools import partial
from pathlib import Path
from tempfile import TemporaryDirectory
from typing import List, Optional

import faiss
import torch
from datasets import Features, Sequence, Value, load_dataset

from transformers import (
    DPRContextEncoder,
    DPRContextEncoderTokenizerFast,
    HfArgumentParser,
    RagRetriever,
    RagSequenceForGeneration,
    RagTokenizer,
)


lowerCamelCase__			:					int							  =					logging.getLogger(__name__)
torch.set_grad_enabled(False)
lowerCamelCase__			:					int							  =					'''cuda''' if torch.cuda.is_available() else '''cpu'''
def  UpperCamelCase   (     _lowerCAmelCase       :  str,					_lowerCAmelCase       :  int=100,					_lowerCAmelCase       :  List[str]=" "	)			->     List[str]:
	_UpperCAmelCase      :							Tuple       =   text.split(_lowerCAmelCase	)
	return [character.join(text[i : i + n]	).strip() for i in range(0,					len(_lowerCAmelCase	),					_lowerCAmelCase	)]
def  UpperCamelCase   (     _lowerCAmelCase       :  dict	)			->     dict:
	_UpperCAmelCase  ,				_UpperCAmelCase      :							List[str]       =   [], []
	for title, text in zip(documents["""title"""],					documents["""text"""]	):
		if text is not None:
			for passage in split_text(_lowerCAmelCase	):
				titles.append(title if title is not None else """"""	)
				texts.append(_lowerCAmelCase	)
	return {"title": titles, "text": texts}
def  UpperCamelCase   (     _lowerCAmelCase       :  dict,					_lowerCAmelCase       :  DPRContextEncoder,					_lowerCAmelCase       :  DPRContextEncoderTokenizerFast	)			->     dict:
	_UpperCAmelCase      :							int       =   ctx_tokenizer(
	    documents["""title"""],					documents["""text"""],					truncation=_lowerCAmelCase,					padding="""longest""",					return_tensors="""pt"""	)["""input_ids"""]
	_UpperCAmelCase      :							Optional[Any]       =   ctx_encoder(input_ids.to(device=_lowerCAmelCase	),					return_dict=_lowerCAmelCase	).pooler_output
	return {"embeddings": embeddings.detach().cpu().numpy()}
def  UpperCamelCase   (     _lowerCAmelCase       :  "RagExampleArguments",					_lowerCAmelCase       :  "ProcessingArguments",					_lowerCAmelCase       :  "IndexHnswArguments",					)			->     int:
	######################################
	logger.info("""Step 1 - Create the dataset"""	)
	######################################

	# The dataset needed for RAG must have three columns:
	# - title (string): title of the document
	# - text (string): text of a passage of the document
	# - embeddings (array of dimension d): DPR representation of the passage

	# Let's say you have documents in tab-separated csv files with columns "title" and "text"
	assert os.path.isfile(rag_example_args.csv_path	), "Please provide a valid path to a csv file"

	# You can load a Dataset object this way
	_UpperCAmelCase      :							Optional[int]       =   load_dataset(
	    """csv""",					data_files=[rag_example_args.csv_path],					split="""train""",					delimiter="""\t""",					column_names=["""title""", """text"""]	)

	# More info about loading csv files in the documentation: https://huggingface.co/docs/datasets/loading_datasets.html?highlight=csv#csv-files

	# Then split the documents into passages of 100 words
	_UpperCAmelCase      :							List[str]       =   dataset.map(_lowerCAmelCase,					batched=_lowerCAmelCase,					num_proc=processing_args.num_proc	)

	# And compute the embeddings
	_UpperCAmelCase      :							Optional[Any]       =   DPRContextEncoder.from_pretrained(rag_example_args.dpr_ctx_encoder_model_name	).to(device=_lowerCAmelCase	)
	_UpperCAmelCase      :							Tuple       =   DPRContextEncoderTokenizerFast.from_pretrained(rag_example_args.dpr_ctx_encoder_model_name	)
	_UpperCAmelCase      :							int       =   Features(
	    {"""text""": Value("""string"""	), """title""": Value("""string"""	), """embeddings""": Sequence(Value("""float32"""	)	)}	)  # optional, save as float32 instead of float64 to save space
	_UpperCAmelCase      :							Any       =   dataset.map(
	    partial(_lowerCAmelCase,					ctx_encoder=_lowerCAmelCase,					ctx_tokenizer=_lowerCAmelCase	),					batched=_lowerCAmelCase,					batch_size=processing_args.batch_size,					features=_lowerCAmelCase,					)

	# And finally save your dataset
	_UpperCAmelCase      :							Dict       =   os.path.join(rag_example_args.output_dir,					"""my_knowledge_dataset"""	)
	dataset.save_to_disk(_lowerCAmelCase	)
	# from datasets import load_from_disk
	# dataset = load_from_disk(passages_path)  # to reload the dataset

	######################################
	logger.info("""Step 2 - Index the dataset"""	)
	######################################

	# Let's use the Faiss implementation of HNSW for fast approximate nearest neighbor search
	_UpperCAmelCase      :							List[Any]       =   faiss.IndexHNSWFlat(index_hnsw_args.d,					index_hnsw_args.m,					faiss.METRIC_INNER_PRODUCT	)
	dataset.add_faiss_index("""embeddings""",					custom_index=_lowerCAmelCase	)

	# And save the index
	_UpperCAmelCase      :							List[str]       =   os.path.join(rag_example_args.output_dir,					"""my_knowledge_dataset_hnsw_index.faiss"""	)
	dataset.get_index("""embeddings"""	).save(_lowerCAmelCase	)
	# dataset.load_faiss_index("embeddings", index_path)  # to reload the index

	######################################
	logger.info("""Step 3 - Load RAG"""	)
	######################################

	# Easy way to load the model
	_UpperCAmelCase      :							List[Any]       =   RagRetriever.from_pretrained(
	    rag_example_args.rag_model_name,					index_name="""custom""",					indexed_dataset=_lowerCAmelCase	)
	_UpperCAmelCase      :							Dict       =   RagSequenceForGeneration.from_pretrained(rag_example_args.rag_model_name,					retriever=_lowerCAmelCase	)
	_UpperCAmelCase      :							Tuple       =   RagTokenizer.from_pretrained(rag_example_args.rag_model_name	)

	# For distributed fine-tuning you'll need to provide the paths instead, as the dataset and the index are loaded separately.
	# retriever = RagRetriever.from_pretrained(rag_model_name, index_name="custom", passages_path=passages_path, index_path=index_path)

	######################################
	logger.info("""Step 4 - Have fun"""	)
	######################################

	_UpperCAmelCase      :							List[Any]       =   rag_example_args.question or """What does Moses' rod turn into ?"""
	_UpperCAmelCase      :							List[Any]       =   tokenizer.question_encoder(_lowerCAmelCase,					return_tensors="""pt"""	)["""input_ids"""]
	_UpperCAmelCase      :							Dict       =   model.generate(_lowerCAmelCase	)
	_UpperCAmelCase      :							int       =   tokenizer.batch_decode(_lowerCAmelCase,					skip_special_tokens=_lowerCAmelCase	)[0]
	logger.info("""Q: """ + question	)
	logger.info("""A: """ + generated_string	)






@dataclass
class       _UpperCAmelCase     :
			__a	:    str			   =							field(
			    default=str(Path(__a).parent / """test_data""" / """my_knowledge_dataset.csv""")      ,       metadata={"""help""": """Path to a tab-separated csv file with columns 'title' and 'text'"""}      ,       )
			__a	:    Optional[str]			   =							field(
			    default=__a      ,       metadata={"""help""": """Question that is passed as input to RAG. Default is 'What does Moses' rod turn into ?'."""}      ,       )
			__a	:    str			   =							field(
			    default="""facebook/rag-sequence-nq"""      ,       metadata={"""help""": """The RAG model to use. Either 'facebook/rag-sequence-nq' or 'facebook/rag-token-nq'"""}      ,       )
			__a	:    str			   =							field(
			    default="""facebook/dpr-ctx_encoder-multiset-base"""      ,       metadata={
			        """help""": (
			            """The DPR context encoder model to use. Either 'facebook/dpr-ctx_encoder-single-nq-base' or"""
			            """ 'facebook/dpr-ctx_encoder-multiset-base'"""
			        )
			    }      ,       )
			__a	:    Optional[str]			   =							field(
			    default=__a      ,       metadata={"""help""": """Path to a directory where the dataset passages and the index will be saved"""}      ,       )






@dataclass
class       _UpperCAmelCase     :
			__a	:    Optional[int]			   =							field(
			    default=__a      ,       metadata={
			        """help""": """The number of processes to use to split the documents into passages. Default is single process."""
			    }      ,       )
			__a	:    int			   =							field(
			    default=1_6      ,       metadata={
			        """help""": """The batch size to use when computing the passages embeddings using the DPR context encoder."""
			    }      ,       )






@dataclass
class       _UpperCAmelCase     :
			__a	:    int			   =							field(
			    default=7_6_8      ,       metadata={"""help""": """The dimension of the embeddings to pass to the HNSW Faiss index."""}      ,       )
			__a	:    int			   =							field(
			    default=1_2_8      ,       metadata={
			        """help""": (
			            """The number of bi-directional links created for every new element during the HNSW index construction."""
			        )
			    }      ,       )


if __name__ == "__main__":
						logging.basicConfig(level=logging.WARNING)
						logger.setLevel(logging.INFO)

						lowerCamelCase__			:					Tuple							  =					HfArgumentParser((RagExampleArguments, ProcessingArguments, IndexHnswArguments))
						lowerCamelCase__  ,					lowerCamelCase__  ,					lowerCamelCase__			:					Dict							  =					parser.parse_args_into_dataclasses()
						with TemporaryDirectory() as tmp_dir:
												lowerCamelCase__			:					List[str]							  =					rag_example_args.output_dir or tmp_dir
												main(rag_example_args, processing_args, index_hnsw_args)








"""simple docstring"""






import unittest

import numpy as np
import torch
from torch import nn
from transformers import (
    CLIPImageProcessor,
    CLIPTextConfig,
    CLIPTextModelWithProjection,
    CLIPTokenizer,
    CLIPVisionConfig,
    CLIPVisionModelWithProjection,
)

from diffusers import KandinskyPriorPipeline, PriorTransformer, UnCLIPScheduler
from diffusers.utils import torch_device
from diffusers.utils.testing_utils import enable_full_determinism, skip_mps

from ..test_pipelines_common import PipelineTesterMixin


enable_full_determinism()






class       _UpperCAmelCase     (						__a      ,       unittest.TestCase):
			__a	:    List[Any]			   =							KandinskyPriorPipeline
			__a	:    List[Any]			   =							["""prompt"""]
			__a	:    List[str]			   =							["""prompt""", """negative_prompt"""]
			__a	:    Tuple			   =							[
			    """num_images_per_prompt""",
			    """generator""",
			    """num_inference_steps""",
			    """latents""",
			    """negative_prompt""",
			    """guidance_scale""",
			    """output_type""",
			    """return_dict""",
			]
			__a	:    str			   =							False
			@property
			def 							__snake_case	(						self       )      ->      Any:






				'''simple docstring'''







				return 32
			@property
			def 							__snake_case	(						self       )      ->      Union[str, Any]:






				'''simple docstring'''







				return 32
			@property
			def 							__snake_case	(						self       )      ->      Dict:






				'''simple docstring'''







				return self.time_input_dim
			@property
			def 							__snake_case	(						self       )      ->      Optional[Any]:






				'''simple docstring'''







				return self.time_input_dim * 4
			@property
			def 							__snake_case	(						self       )      ->      List[Any]:






				'''simple docstring'''







				return 1_00
			@property
			def 							__snake_case	(						self       )      ->      Optional[int]:






				'''simple docstring'''







				_UpperCAmelCase      :							List[str]       =   CLIPTokenizer.from_pretrained("""hf-internal-testing/tiny-random-clip"""       )
				return tokenizer
			@property
			def 							__snake_case	(						self       )      ->      int:






				'''simple docstring'''







				torch.manual_seed(0       )
				_UpperCAmelCase      :							List[Any]       =   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=10_00 ,						)
				return CLIPTextModelWithProjection(_A       )
			@property
			def 							__snake_case	(						self       )      ->      List[Any]:






				'''simple docstring'''







				torch.manual_seed(0       )

				_UpperCAmelCase      :							Optional[int]       =   {
				    """num_attention_heads""": 2,
				    """attention_head_dim""": 12,
				    """embedding_dim""": self.text_embedder_hidden_size,
				    """num_layers""": 1,
				}

				_UpperCAmelCase      :							List[Any]       =   PriorTransformer(**_A       )
				# clip_std and clip_mean is initialized to be 0 so PriorTransformer.post_process_latents will always return 0 - set clip_std to be 1 so it won't return 0
				_UpperCAmelCase      :							List[Any]       =   nn.Parameter(torch.ones(model.clip_std.shape       )       )
				return model
			@property
			def 							__snake_case	(						self       )      ->      Dict:






				'''simple docstring'''







				torch.manual_seed(0       )
				_UpperCAmelCase      :							Optional[Any]       =   CLIPVisionConfig(
				    hidden_size=self.text_embedder_hidden_size ,						image_size=2_24 ,						projection_dim=self.text_embedder_hidden_size ,						intermediate_size=37 ,						num_attention_heads=4 ,						num_channels=3 ,						num_hidden_layers=5 ,						patch_size=14 ,						)

				_UpperCAmelCase      :							Tuple       =   CLIPVisionModelWithProjection(_A       )
				return model
			@property
			def 							__snake_case	(						self       )      ->      List[str]:






				'''simple docstring'''







				_UpperCAmelCase      :							str       =   CLIPImageProcessor(
				    crop_size=2_24 ,						do_center_crop=_A ,						do_normalize=_A ,						do_resize=_A ,						image_mean=[0.48145466, 0.4578275, 0.40821073] ,						image_std=[0.26862954, 0.26130258, 0.27577711] ,						resample=3 ,						size=2_24 ,						)

				return image_processor
			def 							__snake_case	(						self       )      ->      Dict:






				'''simple docstring'''







				_UpperCAmelCase      :							Optional[int]       =   self.dummy_prior
				_UpperCAmelCase      :							int       =   self.dummy_image_encoder
				_UpperCAmelCase      :							int       =   self.dummy_text_encoder
				_UpperCAmelCase      :							str       =   self.dummy_tokenizer
				_UpperCAmelCase      :							Any       =   self.dummy_image_processor

				_UpperCAmelCase      :							Any       =   UnCLIPScheduler(
				    variance_type="""fixed_small_log""" ,						prediction_type="""sample""" ,						num_train_timesteps=10_00 ,						clip_sample=_A ,						clip_sample_range=10.0 ,						)

				_UpperCAmelCase      :							Any       =   {
				    """prior""": prior,
				    """image_encoder""": image_encoder,
				    """text_encoder""": text_encoder,
				    """tokenizer""": tokenizer,
				    """scheduler""": scheduler,
				    """image_processor""": image_processor,
				}

				return components
			def 							__snake_case	(						self ,						_A ,						_A=0       )      ->      Optional[Any]:






				'''simple docstring'''







				if str(_A       ).startswith("""mps"""       ):
					_UpperCAmelCase      :							Any       =   torch.manual_seed(_A       )
				else:
					_UpperCAmelCase      :							Optional[int]       =   torch.Generator(device=_A       ).manual_seed(_A       )
				_UpperCAmelCase      :							Union[str, Any]       =   {
				    """prompt""": """horse""",
				    """generator""": generator,
				    """guidance_scale""": 4.0,
				    """num_inference_steps""": 2,
				    """output_type""": """np""",
				}
				return inputs
			def 							__snake_case	(						self       )      ->      Union[str, Any]:






				'''simple docstring'''







				_UpperCAmelCase      :							List[str]       =   """cpu"""

				_UpperCAmelCase      :							int       =   self.get_dummy_components()

				_UpperCAmelCase      :							Optional[Any]       =   self.pipeline_class(**_A       )
				_UpperCAmelCase      :							List[Any]       =   pipe.to(_A       )

				pipe.set_progress_bar_config(disable=_A       )

				_UpperCAmelCase      :							str       =   pipe(**self.get_dummy_inputs(_A       )       )
				_UpperCAmelCase      :							Any       =   output.image_embeds

				_UpperCAmelCase      :							Optional[int]       =   pipe(
				    **self.get_dummy_inputs(_A       ) ,						return_dict=_A ,						)[0]

				_UpperCAmelCase      :							int       =   image[0, -10:]
				_UpperCAmelCase      :							Optional[Any]       =   image_from_tuple[0, -10:]

				assert image.shape == (1, 32)

				_UpperCAmelCase      :							Optional[Any]       =   np.array(
				    [-0.0532, 1.7120, 0.3656, -1.0852, -0.8946, -1.1756, 0.4348, 0.2482, 0.5146, -0.1156]       )

				assert np.abs(image_slice.flatten() - expected_slice       ).max() < 1e-2
				assert np.abs(image_from_tuple_slice.flatten() - expected_slice       ).max() < 1e-2
			@skip_mps
			def 							__snake_case	(						self       )      ->      Tuple:






				'''simple docstring'''







				_UpperCAmelCase      :							str       =   torch_device == """cpu"""
				_UpperCAmelCase      :							Optional[Any]       =   True
				_UpperCAmelCase      :							List[Any]       =   False

				self._test_inference_batch_single_identical(
				    test_max_difference=_A ,						relax_max_difference=_A ,						test_mean_pixel_difference=_A ,						)
			@skip_mps
			def 							__snake_case	(						self       )      ->      Any:






				'''simple docstring'''







				_UpperCAmelCase      :							Any       =   torch_device == """cpu"""
				_UpperCAmelCase      :							List[str]       =   False

				self._test_attention_slicing_forward_pass(
				    test_max_difference=_A ,						test_mean_pixel_difference=_A ,						)





