

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


__lowercase				      =						logging.getLogger(__name__)
torch.set_grad_enabled(False)
__lowercase				      =						"""cuda""" if torch.cuda.is_available() else """cpu"""







def 							_lowerCamelCase   (			SCREAMING_SNAKE_CASE		,				SCREAMING_SNAKE_CASE=100		,				SCREAMING_SNAKE_CASE=" "   ):
      '''simple docstring'''







      A_							       =		text.split(_lowerCAmelCase   )
      return [character.join(text[i : i + n]   ).strip() for i in range(0		,				len(_lowerCAmelCase   )		,				_lowerCAmelCase   )]







def 							_lowerCamelCase   (			SCREAMING_SNAKE_CASE   ):
      '''simple docstring'''







      A_							       =		[], []
      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 							_lowerCamelCase   (			SCREAMING_SNAKE_CASE		,				SCREAMING_SNAKE_CASE		,				SCREAMING_SNAKE_CASE   ):
      '''simple docstring'''







      A_							       =		ctx_tokenizer(
          documents['''title''']		,				documents['''text''']		,				truncation=_lowerCAmelCase		,				padding='''longest'''		,				return_tensors='''pt'''   )["input_ids"]
      A_							       =		ctx_encoder(input_ids.to(device=_lowerCAmelCase   )		,				return_dict=_lowerCAmelCase   ).pooler_output
      return {"embeddings": embeddings.detach().cpu().numpy()}







def 							_lowerCamelCase   (			SCREAMING_SNAKE_CASE		,				SCREAMING_SNAKE_CASE		,				SCREAMING_SNAKE_CASE		,				):
      '''simple docstring'''







      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
      A_							       =		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
      A_							       =		dataset.map(_lowerCAmelCase		,				batched=_lowerCAmelCase		,				num_proc=processing_args.num_proc   )

      # And compute the embeddings
      A_							       =		DPRContextEncoder.from_pretrained(rag_example_args.dpr_ctx_encoder_model_name   ).to(device=_lowerCAmelCase   )
      A_							       =		DPRContextEncoderTokenizerFast.from_pretrained(rag_example_args.dpr_ctx_encoder_model_name   )
      A_							       =		Features(
          {'''text''': Value('''string'''   ), '''title''': Value('''string'''   ), '''embeddings''': Sequence(Value('''float32'''   )   )}   )  # optional, save as float32 instead of float64 to save space
      A_							       =		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
      A_							       =		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
      A_							       =		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
      A_							       =		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

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



@dataclass
class    _lowercase				:
   _lowercase     :       Optional[int]  					=    field(
       default=__snake_case,metadata={
           'help': 'The number of processes to use to split the documents into passages. Default is single process.'
       },)
   _lowercase     :       int  					=    field(
       default=16,metadata={
           'help': 'The batch size to use when computing the passages embeddings using the DPR context encoder.'
       },)



@dataclass
class    _lowercase				:
   _lowercase     :       int  					=    field(
       default=768,metadata={'help': 'The dimension of the embeddings to pass to the HNSW Faiss index.'},)
   _lowercase     :       int  					=    field(
       default=128,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)

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












import inspect
import math
import tempfile
import unittest

import numpy as np

from transformers import ViTMAEConfig
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 torch import nn

    from transformers import ViTMAEForPreTraining, ViTMAEModel
    from transformers.models.vit.modeling_vit import VIT_PRETRAINED_MODEL_ARCHIVE_LIST


if is_vision_available():
    from PIL import Image

    from transformers import ViTImageProcessor



class    A__  :





      def __init__(					self			,				A_			,				A_=13			,				A_=30			,				A_=2			,				A_=3			,				A_=True			,				A_=True			,				A_=32			,				A_=5			,				A_=4			,				A_=37			,				A_="gelu"			,				A_=0.1			,				A_=0.1			,				A_=10			,				A_=0.02			,				A_=3			,				A_=0.6			,				A_=None			,				):
       '''simple docstring'''




       UpperCamelCase      :   Dict			      =  parent
       UpperCamelCase      :   Union[str, Any]			      =  batch_size
       UpperCamelCase      :   Any			      =  image_size
       UpperCamelCase      :   Tuple			      =  patch_size
       UpperCamelCase      :   Union[str, Any]			      =  num_channels
       UpperCamelCase      :   Tuple			      =  is_training
       UpperCamelCase      :   int			      =  use_labels
       UpperCamelCase      :   Tuple			      =  hidden_size
       UpperCamelCase      :   Optional[Any]			      =  num_hidden_layers
       UpperCamelCase      :   str			      =  num_attention_heads
       UpperCamelCase      :   Optional[int]			      =  intermediate_size
       UpperCamelCase      :   Dict			      =  hidden_act
       UpperCamelCase      :   List[str]			      =  hidden_dropout_prob
       UpperCamelCase      :   str			      =  attention_probs_dropout_prob
       UpperCamelCase      :   Optional[Any]			      =  type_sequence_label_size
       UpperCamelCase      :   Tuple			      =  initializer_range
       UpperCamelCase      :   Any			      =  mask_ratio
       UpperCamelCase      :   int			      =  scope

       # in ViTMAE, the expected sequence length = (num_patches + 1) * (1 - config.mask_ratio), rounded above
       # (we add 1 for the [CLS] token)
       UpperCamelCase      :   Union[str, Any]			      =  (image_size // patch_size) ** 2
       UpperCamelCase      :   int			      =  int(math.ceil((1 - mask_ratio) * (num_patches + 1)  )  )





      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       UpperCamelCase      :   Any			      =  floats_tensor([self.batch_size, self.num_channels, self.image_size, self.image_size]  )

       UpperCamelCase      :   int			      =  None
       if self.use_labels:
        UpperCamelCase      :   Optional[Any]			      =  ids_tensor([self.batch_size]			,				self.type_sequence_label_size  )

       UpperCamelCase      :   str			      =  self.get_config()

       return config, pixel_values, labels





      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       return ViTMAEConfig(
           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=A_			,				initializer_range=self.initializer_range			,				mask_ratio=self.mask_ratio			,				)





      def 			__UpperCamelCase(					self			,				A_			,				A_			,				A_  ):
       '''simple docstring'''




       UpperCamelCase      :   Any			      =  ViTMAEModel(config=A_  )
       model.to(A_  )
       model.eval()
       UpperCamelCase      :   Optional[Any]			      =  model(A_  )
       self.parent.assertEqual(result.last_hidden_state.shape			,				(self.batch_size, self.seq_length, self.hidden_size)  )





      def 			__UpperCamelCase(					self			,				A_			,				A_			,				A_  ):
       '''simple docstring'''




       UpperCamelCase      :   Tuple			      =  ViTMAEForPreTraining(A_  )
       model.to(A_  )
       model.eval()
       UpperCamelCase      :   List[str]			      =  model(A_  )
       UpperCamelCase      :   Any			      =  (self.image_size // self.patch_size) ** 2
       UpperCamelCase      :   List[str]			      =  self.patch_size**2 * self.num_channels
       self.parent.assertEqual(result.logits.shape			,				(self.batch_size, num_patches, expected_num_channels)  )

       # test greyscale images
       UpperCamelCase      :   str			      =  1
       UpperCamelCase      :   Union[str, Any]			      =  ViTMAEForPreTraining(A_  )
       model.to(A_  )
       model.eval()
       UpperCamelCase      :   Union[str, Any]			      =  floats_tensor([self.batch_size, 1, self.image_size, self.image_size]  )
       UpperCamelCase      :   Union[str, Any]			      =  model(A_  )
       UpperCamelCase      :   List[str]			      =  self.patch_size**2
       self.parent.assertEqual(result.logits.shape			,				(self.batch_size, num_patches, expected_num_channels)  )





      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       UpperCamelCase      :   Union[str, Any]			      =  self.prepare_config_and_inputs()
       UpperCamelCase      ,       UpperCamelCase      ,       UpperCamelCase      :   Optional[int]			      =  config_and_inputs
       UpperCamelCase      :   Optional[int]			      =  {"pixel_values": pixel_values}
       return config, inputs_dict



@require_torch
class    A__  (			__snake_case			,  __snake_case			,  unittest.TestCase     ):
      _UpperCAmelCase      :Any		       =  (ViTMAEModel, ViTMAEForPreTraining) if is_torch_available() else ()
      _UpperCAmelCase      :int		       =  {'feature-extraction': ViTMAEModel} if is_torch_available() else {}

      _UpperCAmelCase      :Optional[Any]		       =  False
      _UpperCAmelCase      :Any		       =  False
      _UpperCAmelCase      :Optional[int]		       =  False
      _UpperCAmelCase      :Dict		       =  False





      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       UpperCamelCase      :   Union[str, Any]			      =  ViTMAEModelTester(self  )
       UpperCamelCase      :   Any			      =  ConfigTester(self			,				config_class=A_			,				has_text_modality=A_			,				hidden_size=37  )





      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       self.config_tester.run_common_tests()





      @unittest.skip(reason="ViTMAE does not use inputs_embeds"  )
      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       pass





      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       UpperCamelCase      ,       UpperCamelCase      :   List[Any]			      =  self.model_tester.prepare_config_and_inputs_for_common()

       for model_class in self.all_model_classes:
        UpperCamelCase      :   Any			      =  model_class(A_  )
        self.assertIsInstance(model.get_input_embeddings()			,				(nn.Module)  )
        UpperCamelCase      :   Any			      =  model.get_output_embeddings()
        self.assertTrue(x is None or isinstance(A_			,				nn.Linear  )  )





      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       UpperCamelCase      ,       UpperCamelCase      :   Optional[int]			      =  self.model_tester.prepare_config_and_inputs_for_common()

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

        UpperCamelCase      :   Optional[int]			      =  ["pixel_values"]
        self.assertListEqual(arg_names[:1]			,				A_  )





      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       UpperCamelCase      :   List[str]			      =  self.model_tester.prepare_config_and_inputs()
       self.model_tester.create_and_check_model(*A_  )





      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       UpperCamelCase      :   Optional[int]			      =  self.model_tester.prepare_config_and_inputs()
       self.model_tester.create_and_check_for_pretraining(*A_  )





      def 			__UpperCamelCase(					self			,				A_			,				A_			,				A_  ):
       '''simple docstring'''




       np.random.seed(2  )

       UpperCamelCase      :   Union[str, Any]			      =  int((pt_model.config.image_size // pt_model.config.patch_size) ** 2  )
       UpperCamelCase      :   Optional[Any]			      =  np.random.uniform(size=(self.model_tester.batch_size, num_patches)  )
       UpperCamelCase      :   Tuple			      =  torch.from_numpy(A_  )

       # Add `noise` argument.
       # PT inputs will be prepared in `super().check_pt_tf_models()` with this added `noise` argument
       UpperCamelCase      :   Any			      =  pt_noise

       super().check_pt_tf_models(A_			,				A_			,				A_  )





      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       UpperCamelCase      ,       UpperCamelCase      :   Tuple			      =  self.model_tester.prepare_config_and_inputs_for_common()

       for model_class in self.all_model_classes:
        UpperCamelCase      :   Optional[Any]			      =  model_class(A_  )
        model.to(A_  )
        model.eval()
        # make random mask reproducible
        torch.manual_seed(2  )
        with torch.no_grad():
         UpperCamelCase      :   str			      =  model(**self._prepare_for_class(A_			,				A_  )  )

        UpperCamelCase      :   Any			      =  outputs[0].cpu().numpy()
        UpperCamelCase      :   str			      =  0

        with tempfile.TemporaryDirectory() as tmpdirname:
         model.save_pretrained(A_  )
         UpperCamelCase      :   Optional[int]			      =  model_class.from_pretrained(A_  )
         model.to(A_  )
         # make random mask reproducible
         torch.manual_seed(2  )
         with torch.no_grad():
          UpperCamelCase      :   Tuple			      =  model(**self._prepare_for_class(A_			,				A_  )  )

         # Make sure we don't have nans
         UpperCamelCase      :   Dict			      =  after_outputs[0].cpu().numpy()
         UpperCamelCase      :   int			      =  0
         UpperCamelCase      :   str			      =  np.amax(np.abs(out_a - out_a  )  )
         self.assertLessEqual(A_			,				1e-5  )





      @unittest.skip(
          reason="ViTMAE returns a random mask + ids_restore in each forward pass. See test_save_load\n    to get deterministic results."  )
      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       pass





      @unittest.skip(
          reason="ViTMAE returns a random mask + ids_restore in each forward pass. See test_save_load\n    to get deterministic results."  )
      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       pass





      @unittest.skip(
          reason="ViTMAE returns a random mask + ids_restore in each forward pass. See test_save_load\n    to get deterministic results."  )
      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       pass





      @unittest.skip(reason="ViTMAE returns a random mask + ids_restore in each forward pass. See test_save_load"  )
      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       pass





      @unittest.skip("Will be fixed soon by reducing the size of the model used for common tests."  )
      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       pass





      @slow
      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       for model_name in VIT_PRETRAINED_MODEL_ARCHIVE_LIST[:1]:
        UpperCamelCase      :   List[str]			      =  ViTMAEModel.from_pretrained(A_  )
        self.assertIsNotNone(A_  )



def 						A_							(	)		->					Optional[int]:
 UpperCamelCase      :   List[Any]			      =  Image.open("./tests/fixtures/tests_samples/COCO/000000039769.png"	)
 return image



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





      @cached_property
      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       return ViTImageProcessor.from_pretrained("facebook/vit-mae-base"  ) if is_vision_available() else None





      @slow
      def 			__UpperCamelCase(					self  ):
       '''simple docstring'''




       np.random.seed(2  )

       UpperCamelCase      :   Union[str, Any]			      =  ViTMAEForPreTraining.from_pretrained("facebook/vit-mae-base"  ).to(A_  )

       UpperCamelCase      :   Any			      =  self.default_image_processor
       UpperCamelCase      :   Optional[Any]			      =  prepare_img()
       UpperCamelCase      :   int			      =  image_processor(images=A_			,				return_tensors="pt"  ).to(A_  )

       # prepare a noise vector that will be also used for testing the TF model
       # (this way we can ensure that the PT and TF models operate on the same inputs)
       UpperCamelCase      :   Dict			      =  ViTMAEConfig()
       UpperCamelCase      :   Any			      =  int((vit_mae_config.image_size // vit_mae_config.patch_size) ** 2  )
       UpperCamelCase      :   Optional[Any]			      =  np.random.uniform(size=(1, num_patches)  )

       # forward pass
       with torch.no_grad():
        UpperCamelCase      :   Optional[Any]			      =  model(**A_			,				noise=torch.from_numpy(A_  ).to(device=A_  )  )

       # verify the logits
       UpperCamelCase      :   str			      =  torch.Size((1, 196, 768)  )
       self.assertEqual(outputs.logits.shape			,				A_  )

       UpperCamelCase      :   str			      =  torch.tensor(
           [[-0.05_48, -1.70_23, -0.93_25], [0.37_21, -0.56_70, -0.22_33], [0.82_35, -1.38_78, -0.35_24]]  )

       self.assertTrue(torch.allclose(outputs.logits[0, :3, :3]			,				expected_slice.to(A_  )			,				atol=1e-4  )  )
