
"""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


UpperCamelCase__          =	logging.getLogger(__name__)
torch.set_grad_enabled(False)
UpperCamelCase__          =	'cuda' if torch.cuda.is_available() else 'cpu'
def 					lowerCamelCase   (     _snake_case    ,_snake_case=100    ,_snake_case=" " ):
    UpperCAmelCase__	:      Optional[int]     							=					text.split(_snake_case )
    return [character.join(text[i : i + n] ).strip() for i in range(0    ,len(_snake_case )    ,_snake_case )]
def 					lowerCamelCase   (     _snake_case ):
    UpperCAmelCase__							,							UpperCAmelCase__	:      Optional[int]     							=					[], []
    for title, text in zip(documents['title']    ,documents['text'] ):
        if text is not None:
            for passage in split_text(_snake_case ):
                titles.append(title if title is not None else '' )
                texts.append(_snake_case )
    return {"title": titles, "text": texts}
def 					lowerCamelCase   (     _snake_case    ,_snake_case    ,_snake_case ):
    UpperCAmelCase__	:      List[Any]     							=					ctx_tokenizer(
        documents['title']    ,documents['text']    ,truncation=_snake_case    ,padding='longest'    ,return_tensors='pt' )['input_ids']
    UpperCAmelCase__	:      str     							=					ctx_encoder(input_ids.to(device=_snake_case )    ,return_dict=_snake_case ).pooler_output
    return {"embeddings": embeddings.detach().cpu().numpy()}
def 					lowerCamelCase   (     _snake_case    ,_snake_case    ,_snake_case    ,):
    ######################################
    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__	:      Tuple     							=					dataset.map(_snake_case    ,batched=_snake_case    ,num_proc=processing_args.num_proc )

    # And compute the embeddings
    UpperCAmelCase__	:      Optional[int]     							=					DPRContextEncoder.from_pretrained(rag_example_args.dpr_ctx_encoder_model_name ).to(device=_snake_case )
    UpperCAmelCase__	:      int     							=					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__	:      str     							=					dataset.map(
        partial(_snake_case    ,ctx_encoder=_snake_case    ,ctx_tokenizer=_snake_case )    ,batched=_snake_case    ,batch_size=processing_args.batch_size    ,features=_snake_case    ,)

    # And finally save your dataset
    UpperCAmelCase__	:      Any     							=					os.path.join(rag_example_args.output_dir    ,'my_knowledge_dataset' )
    dataset.save_to_disk(_snake_case )
    # 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__	:      Optional[int]     							=					faiss.IndexHNSWFlat(index_hnsw_args.d    ,index_hnsw_args.m    ,faiss.METRIC_INNER_PRODUCT )
    dataset.add_faiss_index('embeddings'    ,custom_index=_snake_case )

    # And save the index
    UpperCAmelCase__	:      str     							=					os.path.join(rag_example_args.output_dir    ,'my_knowledge_dataset_hnsw_index.faiss' )
    dataset.get_index('embeddings' ).save(_snake_case )
    # dataset.load_faiss_index("embeddings", index_path)  # to reload the index





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





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





@dataclass
class 				a			:
      UpperCamelCase							:   int           =     field(
          default=7_6_8						,		metadata={"""help""": """The dimension of the embeddings to pass to the HNSW Faiss index."""}						,		)
      UpperCamelCase							:   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)

    UpperCamelCase__          =	HfArgumentParser((RagExampleArguments, ProcessingArguments, IndexHnswArguments))
    UpperCamelCase__    ,					UpperCamelCase__    ,					UpperCamelCase__          =	parser.parse_args_into_dataclasses()
    with TemporaryDirectory() as tmp_dir:
        UpperCamelCase__          =	rag_example_args.output_dir or tmp_dir
        main(rag_example_args, processing_args, index_hnsw_args)





from manim import *




class       lowercase_					(lowercase__   ):





				def 						__UpperCamelCase    (				self)  -> List[Any]:
											a__      =Rectangle(height=0.5       ,  width=0.5)
											a__      =Rectangle(height=0.46       ,  width=0.46).set_stroke(width=0)

											a__      =[mem.copy() for i in range(6)]
											a__      =[mem.copy() for i in range(6)]
											a__      =VGroup(*lowercase_).arrange(lowercase_       ,  buff=0)
											a__      =VGroup(*lowercase_).arrange(lowercase_       ,  buff=0)
											a__      =VGroup(lowercase_       ,  lowercase_).arrange(lowercase_       ,  buff=0)
											a__      =Text('CPU'       ,  font_size=24)
											a__      =Group(lowercase_       ,  lowercase_).arrange(lowercase_       ,  buff=0.5       ,  aligned_edge=lowercase_)
											cpu.move_to([-2.5, -0.5, 0])
											self.add(lowercase_)

											a__      =[mem.copy() for i in range(4)]
											a__      =VGroup(*lowercase_).arrange(lowercase_       ,  buff=0)
											a__      =Text('GPU'       ,  font_size=24)
											a__      =Group(lowercase_       ,  lowercase_).arrange(lowercase_       ,  buff=0.5       ,  aligned_edge=lowercase_)
											gpu.move_to([-1, -1, 0])
											self.add(lowercase_)

											a__      =[mem.copy() for i in range(6)]
											a__      =VGroup(*lowercase_).arrange(lowercase_       ,  buff=0)

											a__      =Text('Model'       ,  font_size=24)
											a__      =Group(lowercase_       ,  lowercase_).arrange(lowercase_       ,  buff=0.5       ,  aligned_edge=lowercase_)
											model.move_to([3, -1.0, 0])
											self.add(lowercase_)

											a__      =[]
											for i, rect in enumerate(lowercase_):
																		rect.set_stroke(lowercase_)
																		# target = fill.copy().set_fill(YELLOW, opacity=0.7)
																		# target.move_to(rect)
																		# self.add(target)

																		a__      =Rectangle(height=0.46 / 4       ,  width=0.46 / 3).set_stroke(width=0.0).set_fill(lowercase_       ,  opacity=0.7)

																		if i == 0:
																									cpu_target.next_to(cpu_left_col_base[0].get_corner(DOWN + LEFT)       ,  buff=0.02       ,  direction=lowercase_)
																									cpu_target.set_x(cpu_target.get_x() + 0.1)
																		elif i == 3:
																									cpu_target.next_to(cpu_targs[0]       ,  direction=lowercase_       ,  buff=0.0)
																		else:
																									cpu_target.next_to(cpu_targs[i - 1]       ,  direction=lowercase_       ,  buff=0.0)
																		self.add(lowercase_)
																		cpu_targs.append(lowercase_)

											a__      =[mem.copy() for i in range(6)]
											a__      =VGroup(*lowercase_).arrange(lowercase_       ,  buff=0)

											a__      =Text('Loaded Checkpoint'       ,  font_size=24)
											a__      =Group(lowercase_       ,  lowercase_).arrange(lowercase_       ,  aligned_edge=lowercase_       ,  buff=0.4)
											checkpoint.move_to([3, 0.5, 0])

											a__      =Square(side_length=2.2)
											key.move_to([-5, 2, 0])

											a__      =MarkupText(
											    F"""<b>Key:</b>\n\n<span fgcolor='{YELLOW}'>●</span> Empty Model"""       ,  font_size=18       ,  )

											key_text.move_to([-5, 2.4, 0])

											self.add(lowercase_       ,  lowercase_)

											a__      =MarkupText(
											    F"""<span fgcolor='{BLUE}'>●</span> Checkpoint"""       ,  font_size=18       ,  )

											blue_text.next_to(lowercase_       ,  DOWN * 2.4       ,  aligned_edge=key_text.get_left())

											a__      =MarkupText(
											    F"""Next, a <i><span fgcolor=\"{BLUE}\">second</span></i> model is loaded into memory,\nwith the weights of a <span fgcolor=\"{BLUE}\">single shard</span>."""       ,  font_size=24       ,  )
											step_a.move_to([2, 2, 0])
											self.play(Write(lowercase_)       ,  Write(lowercase_))

											self.play(Write(lowercase_       ,  run_time=1)       ,  Create(lowercase_       ,  run_time=1))

											a__      =[]
											a__      =[]
											for i, rect in enumerate(lowercase_):
																		a__      =fill.copy().set_fill(lowercase_       ,  opacity=0.7)
																		target.move_to(lowercase_)
																		first_animations.append(GrowFromCenter(lowercase_       ,  run_time=1))

																		a__      =target.copy()
																		cpu_target.generate_target()
																		if i < 5:
																									cpu_target.target.move_to(cpu_left_col_base[i + 1])
																		else:
																									cpu_target.target.move_to(cpu_right_col_base[i - 5])
																		second_animations.append(MoveToTarget(lowercase_       ,  run_time=1.5))

											self.play(*lowercase_)
											self.play(*lowercase_)
											self.wait()

