






from __future__ import annotations

from math import pi

# Define the Reduced Planck Constant ℏ (H bar), speed of light C, value of
# Pi and the function
a						:			List[Any]     	=					1.0_5_4_5_7_1_8_1_7e-3_4  # unit of ℏ : J * s

a						:			Any     	=					3e8  # unit of c : m * s^-1






def 							lowerCamelCase__ (       __lowerCamelCase     :	float    ,						__lowerCamelCase     :	float    ,						__lowerCamelCase     :	float						):

  if (force, area, distance).count(0						) != 1:
    raise ValueError("""One and only one argument must be 0"""						)
  if force < 0:
    raise ValueError("""Magnitude of force can not be negative"""						)
  if distance < 0:
    raise ValueError("""Distance can not be negative"""						)
  if area < 0:
    raise ValueError("""Area can not be negative"""						)
  if force == 0:
    __UpperCAmelCase				:      List[Any]	 =    (REDUCED_PLANCK_CONSTANT * SPEED_OF_LIGHT * pi**2 * area) / (
        240 * (distance) ** 4
    )
    return {"force": force}
  elif area == 0:
    __UpperCAmelCase				:      Tuple	 =    (240 * force * (distance) ** 4) / (
        REDUCED_PLANCK_CONSTANT * SPEED_OF_LIGHT * pi**2
    )
    return {"area": area}
  elif distance == 0:
    __UpperCAmelCase				:      Optional[Any]	 =    (
        (REDUCED_PLANCK_CONSTANT * SPEED_OF_LIGHT * pi**2 * area) / (240 * force)
    ) ** (1 / 4)
    return {"distance": distance}
  raise ValueError("""One and only one argument must be 0"""						)


# Run doctest
if __name__ == "__main__":
       import doctest

       doctest.testmod()





import os
import tempfile
from functools import partial
from unittest import TestCase
from unittest.mock import patch

import numpy as np
import pytest

from datasets.arrow_dataset import Dataset
from datasets.search import ElasticSearchIndex, FaissIndex, MissingIndex

from .utils import require_elasticsearch, require_faiss


_lowerCamelCase      :					List[str]					    =      pytest.mark.integration





@require_faiss
class        lowerCAmelCase__  (					__magic_name__			):



       '''simple docstring'''







       def     __UpperCamelCase     (							self     ):







             '''simple docstring'''



             __A    =Dataset.from_dict({'''filename''': ['''my_name-train''' + '''_''' + str(lowercase__     ) for x in np.arange(3_0     ).tolist()]}     )
             return dset

       def     __UpperCamelCase     (							self     ):







             '''simple docstring'''



             import faiss

             __A    =self._create_dummy_dataset()
             __A    =dset.map(
                 lambda lowercase__ ,   lowercase__     : {"vecs": i * np.ones(5 ,   dtype=np.floataa     )} ,   with_indices=lowercase__ ,   keep_in_memory=lowercase__     )
             __A    =dset.add_faiss_index('''vecs''' ,   batch_size=1_0_0 ,   metric_type=faiss.METRIC_INNER_PRODUCT     )
             __A    ,		__A    =dset.get_nearest_examples('''vecs''' ,   np.ones(5 ,   dtype=np.floataa     )     )
             self.assertEqual(examples['''filename'''][0] ,   '''my_name-train_29'''     )
             dset.drop_index('''vecs'''     )

       def     __UpperCamelCase     (							self     ):







             '''simple docstring'''



             import faiss

             __A    =self._create_dummy_dataset()
             dset.add_faiss_index_from_external_arrays(
                 external_arrays=np.ones((3_0, 5)     ) * np.arange(3_0     ).reshape(-1 ,   1     ) ,   index_name='''vecs''' ,   batch_size=1_0_0 ,   metric_type=faiss.METRIC_INNER_PRODUCT ,   )
             __A    ,		__A    =dset.get_nearest_examples('''vecs''' ,   np.ones(5 ,   dtype=np.floataa     )     )
             self.assertEqual(examples['''filename'''][0] ,   '''my_name-train_29'''     )

       def     __UpperCamelCase     (							self     ):







             '''simple docstring'''



             import faiss

             __A    =self._create_dummy_dataset()
             dset.add_faiss_index_from_external_arrays(
                 external_arrays=np.ones((3_0, 5)     ) * np.arange(3_0     ).reshape(-1 ,   1     ) ,   index_name='''vecs''' ,   metric_type=faiss.METRIC_INNER_PRODUCT ,   )

             # Setting delete=False and unlinking manually is not pretty... but it is required on Windows to
             # ensure somewhat stable behaviour. If we don't, we get PermissionErrors. This is an age-old issue.
             # see https://bugs.python.org/issue14243 and
             # https://stackoverflow.com/questions/23212435/permission-denied-to-write-to-my-temporary-file/23212515
             with tempfile.NamedTemporaryFile(delete=lowercase__     ) as tmp_file:
                   dset.save_faiss_index('''vecs''' ,   tmp_file.name     )
                   dset.load_faiss_index('''vecs2''' ,   tmp_file.name     )
             os.unlink(tmp_file.name     )

             __A    ,		__A    =dset.get_nearest_examples('''vecs2''' ,   np.ones(5 ,   dtype=np.floataa     )     )
             self.assertEqual(examples['''filename'''][0] ,   '''my_name-train_29'''     )

       def     __UpperCamelCase     (							self     ):







             '''simple docstring'''



             __A    =self._create_dummy_dataset()
             dset.add_faiss_index_from_external_arrays(
                 external_arrays=np.ones((3_0, 5)     ) * np.arange(3_0     ).reshape(-1 ,   1     ) ,   index_name='''vecs'''     )
             dset.drop_index('''vecs'''     )
             self.assertRaises(lowercase__ ,   partial(dset.get_nearest_examples ,   '''vecs2''' ,   np.ones(5 ,   dtype=np.floataa     )     )     )


       def     __UpperCamelCase     (							self     ):







             '''simple docstring'''



             from elasticsearch import Elasticsearch

             __A    =self._create_dummy_dataset()
             with patch('''elasticsearch.Elasticsearch.search'''     ) as mocked_search, patch(
                 '''elasticsearch.client.IndicesClient.create'''     ) as mocked_index_create, patch('''elasticsearch.helpers.streaming_bulk'''     ) as mocked_bulk:
                   __A    ={'''acknowledged''': True}
                   mocked_bulk.return_value([(True, None)] * 3_0     )
                   __A    ={'''hits''': {'''hits''': [{'''_score''': 1, '''_id''': 2_9}]}}
                   __A    =Elasticsearch()

                   dset.add_elasticsearch_index('''filename''' ,   es_client=lowercase__     )
                   __A    ,		__A    =dset.get_nearest_examples('''filename''' ,   '''my_name-train_29'''     )
                   self.assertEqual(examples['''filename'''][0] ,   '''my_name-train_29'''     )





@require_faiss
class        lowerCAmelCase__  (					__magic_name__			):



       '''simple docstring'''







       def     __UpperCamelCase     (							self     ):







             '''simple docstring'''



             import faiss

             __A    =FaissIndex(metric_type=faiss.METRIC_INNER_PRODUCT     )

             # add vectors
             index.add_vectors(np.eye(5 ,   dtype=np.floataa     )     )
             self.assertIsNotNone(index.faiss_index     )
             self.assertEqual(index.faiss_index.ntotal ,   5     )
             index.add_vectors(np.zeros((5, 5) ,   dtype=np.floataa     )     )
             self.assertEqual(index.faiss_index.ntotal ,   1_0     )

             # single query
             __A    =np.zeros(5 ,   dtype=np.floataa     )
             __A    =1
             __A    ,		__A    =index.search(lowercase__     )
             self.assertRaises(lowercase__ ,   index.search ,   query.reshape(-1 ,   1     )     )
             self.assertGreater(scores[0] ,   0     )
             self.assertEqual(indices[0] ,   1     )

             # batched queries
             __A    =np.eye(5 ,   dtype=np.floataa     )[::-1]
             __A    ,		__A    =index.search_batch(lowercase__     )
             self.assertRaises(lowercase__ ,   index.search_batch ,   queries[0]     )
             __A    =[scores[0] for scores in total_scores]
             __A    =[indices[0] for indices in total_indices]
             self.assertGreater(np.min(lowercase__     ) ,   0     )
             self.assertListEqual([4, 3, 2, 1, 0] ,   lowercase__     )

       def     __UpperCamelCase     (							self     ):







             '''simple docstring'''



             import faiss

             __A    =FaissIndex(string_factory='''Flat'''     )
             index.add_vectors(np.eye(5 ,   dtype=np.floataa     )     )
             self.assertIsInstance(index.faiss_index ,   faiss.IndexFlat     )
             __A    =FaissIndex(string_factory='''LSH'''     )
             index.add_vectors(np.eye(5 ,   dtype=np.floataa     )     )
             self.assertIsInstance(index.faiss_index ,   faiss.IndexLSH     )
             with self.assertRaises(lowercase__     ):
                   __A    =FaissIndex(string_factory='''Flat''' ,   custom_index=faiss.IndexFlat(5     )     )

       def     __UpperCamelCase     (							self     ):







             '''simple docstring'''



             import faiss

             __A    =faiss.IndexFlat(5     )
             __A    =FaissIndex(custom_index=lowercase__     )
             index.add_vectors(np.eye(5 ,   dtype=np.floataa     )     )
             self.assertIsInstance(index.faiss_index ,   faiss.IndexFlat     )


       def     __UpperCamelCase     (							self     ):







             '''simple docstring'''



             import faiss

             __A    =FaissIndex(metric_type=faiss.METRIC_INNER_PRODUCT     )
             index.add_vectors(np.eye(5 ,   dtype=np.floataa     )     )

             # Setting delete=False and unlinking manually is not pretty... but it is required on Windows to
             # ensure somewhat stable behaviour. If we don't, we get PermissionErrors. This is an age-old issue.
             # see https://bugs.python.org/issue14243 and
             # https://stackoverflow.com/questions/23212435/permission-denied-to-write-to-my-temporary-file/23212515
             with tempfile.NamedTemporaryFile(delete=lowercase__     ) as tmp_file:
                   index.save(tmp_file.name     )
                   __A    =FaissIndex.load(tmp_file.name     )
             os.unlink(tmp_file.name     )

             __A    =np.zeros(5 ,   dtype=np.floataa     )
             __A    =1
             __A    ,		__A    =index.search(lowercase__     )
             self.assertGreater(scores[0] ,   0     )
             self.assertEqual(indices[0] ,   1     )





@require_faiss
def      A__					(			__A  :						Dict			)					->List[Any]:
      import faiss

      __A    =FaissIndex(metric_type=faiss.METRIC_INNER_PRODUCT			)
      index.add_vectors(np.eye(5     ,				dtype=np.floataa			)			)

      __A    ='''index.faiss'''
      __A    =F'''mock://{index_name}'''
      index.save(__A     ,				storage_options=mockfs.storage_options			)
      __A    =FaissIndex.load(__A     ,				storage_options=mockfs.storage_options			)

      __A    =np.zeros(5     ,				dtype=np.floataa			)
      __A    =1
      __A    ,		__A    =index.search(__A			)
      assert scores[0] > 0
      assert indices[0] == 1





@require_elasticsearch
class        lowerCAmelCase__  (					__magic_name__			):



       '''simple docstring'''







       def     __UpperCamelCase     (							self     ):







             '''simple docstring'''



             from elasticsearch import Elasticsearch

             with patch('''elasticsearch.Elasticsearch.search'''     ) as mocked_search, patch(
                 '''elasticsearch.client.IndicesClient.create'''     ) as mocked_index_create, patch('''elasticsearch.helpers.streaming_bulk'''     ) as mocked_bulk:
                   __A    =Elasticsearch()
                   __A    ={'''acknowledged''': True}
                   __A    =ElasticSearchIndex(es_client=lowercase__     )
                   mocked_bulk.return_value([(True, None)] * 3     )
                   index.add_documents(['''foo''', '''bar''', '''foobar''']     )

                   # single query
                   __A    ='''foo'''
                   __A    ={'''hits''': {'''hits''': [{'''_score''': 1, '''_id''': 0}]}}
                   __A    ,		__A    =index.search(lowercase__     )
                   self.assertEqual(scores[0] ,   1     )
                   self.assertEqual(indices[0] ,   0     )

                   # single query with timeout
                   __A    ='''foo'''
                   __A    ={'''hits''': {'''hits''': [{'''_score''': 1, '''_id''': 0}]}}
                   __A    ,		__A    =index.search(lowercase__ ,   request_timeout=3_0     )
                   self.assertEqual(scores[0] ,   1     )
                   self.assertEqual(indices[0] ,   0     )

                   # batched queries
                   __A    =['''foo''', '''bar''', '''foobar''']
                   __A    ={'''hits''': {'''hits''': [{'''_score''': 1, '''_id''': 1}]}}
                   __A    ,		__A    =index.search_batch(lowercase__     )
                   __A    =[scores[0] for scores in total_scores]
                   __A    =[indices[0] for indices in total_indices]
                   self.assertGreater(np.min(lowercase__     ) ,   0     )
                   self.assertListEqual([1, 1, 1] ,   lowercase__     )

                   # batched queries with timeout
                   __A    =['''foo''', '''bar''', '''foobar''']
                   __A    ={'''hits''': {'''hits''': [{'''_score''': 1, '''_id''': 1}]}}
                   __A    ,		__A    =index.search_batch(lowercase__ ,   request_timeout=3_0     )
                   __A    =[scores[0] for scores in total_scores]
                   __A    =[indices[0] for indices in total_indices]
                   self.assertGreater(np.min(lowercase__     ) ,   0     )
                   self.assertListEqual([1, 1, 1] ,   lowercase__     )


