
from cva import destroyAllWindows, imread, imshow, waitKey


def     UpperCAmelCase_  (						__lowerCAmelCase	) ->						List[str]:
    # getting number of pixels in the image
    __lowercase    ,      __lowercase		:			Union[str, Any]	    =       img.shape[0], img.shape[1]

    # converting each pixel's color to its negative
    for i in range(__lowerCAmelCase	):
        for j in range(__lowerCAmelCase	):
            __lowercase		:			Any	    =       [255, 255, 255] - img[i][j]

    return img


if __name__ == "__main__":
 # read original image
 __lowerCAmelCase					:			Dict			      =		imread("image_data/lena.jpg", 1)

 # convert to its negative
 __lowerCAmelCase					:			int			      =		convert_to_negative(img)

 # show result image
 imshow("negative of original image", img)
 waitKey(0)
 destroyAllWindows()




import json
import os
import pickle
import shutil
import tempfile
from unittest import TestCase
from unittest.mock import patch

import numpy as np
from datasets import Dataset

from transformers import is_faiss_available
from transformers.models.bart.configuration_bart import BartConfig
from transformers.models.bart.tokenization_bart import BartTokenizer
from transformers.models.bert.tokenization_bert import VOCAB_FILES_NAMES as DPR_VOCAB_FILES_NAMES
from transformers.models.dpr.configuration_dpr import DPRConfig
from transformers.models.dpr.tokenization_dpr import DPRContextEncoderTokenizer, DPRQuestionEncoderTokenizer
from transformers.models.rag.configuration_rag import RagConfig
from transformers.models.rag.retrieval_rag import CustomHFIndex, RagRetriever
from transformers.models.roberta.tokenization_roberta import VOCAB_FILES_NAMES as BART_VOCAB_FILES_NAMES
from transformers.testing_utils import require_faiss, require_sentencepiece, require_tokenizers, require_torch


if is_faiss_available():
 import faiss


@require_faiss
class 						__lowerCAmelCase	(	lowerCAmelCase_      ):



      """simple docstring"""







      def 		snake_case_			(      self		:       Optional[int]				):
          __lowercase		:			Dict	    =       tempfile.mkdtemp()
          __lowercase		:			Tuple	    =       8

          # DPR tok
          __lowercase		:			Optional[int]	    =       [
              '''[UNK]''',
              '''[CLS]''',
              '''[SEP]''',
              '''[PAD]''',
              '''[MASK]''',
              '''want''',
              '''##want''',
              '''##ed''',
              '''wa''',
              '''un''',
              '''runn''',
              '''##ing''',
              ''',''',
              '''low''',
              '''lowest''',
          ]
          __lowercase		:			Optional[Any]	    =       os.path.join(self.tmpdirname				,       '''dpr_tokenizer'''				)
          os.makedirs(_snake_case				,       exist_ok=_snake_case				)
          __lowercase		:			str	    =       os.path.join(_snake_case				,       DPR_VOCAB_FILES_NAMES['''vocab_file''']				)
          with open(self.vocab_file				,       '''w'''				,       encoding='''utf-8'''				) as vocab_writer:
              vocab_writer.write(''''''.join([x + '''\n''' for x in vocab_tokens]				)				)

          # BART tok
          __lowercase		:			List[str]	    =       [
              '''l''',
              '''o''',
              '''w''',
              '''e''',
              '''r''',
              '''s''',
              '''t''',
              '''i''',
              '''d''',
              '''n''',
              '''\u0120''',
              '''\u0120l''',
              '''\u0120n''',
              '''\u0120lo''',
              '''\u0120low''',
              '''er''',
              '''\u0120lowest''',
              '''\u0120newer''',
              '''\u0120wider''',
              '''<unk>''',
          ]
          __lowercase		:			Optional[Any]	    =       dict(zip(_snake_case				,       range(len(_snake_case				)				)				)				)
          __lowercase		:			int	    =       ['''#version: 0.2''', '''\u0120 l''', '''\u0120l o''', '''\u0120lo w''', '''e r''', '''''']
          __lowercase		:			Any	    =       {'''unk_token''': '''<unk>'''}

          __lowercase		:			int	    =       os.path.join(self.tmpdirname				,       '''bart_tokenizer'''				)
          os.makedirs(_snake_case				,       exist_ok=_snake_case				)
          __lowercase		:			List[Any]	    =       os.path.join(_snake_case				,       BART_VOCAB_FILES_NAMES['''vocab_file''']				)
          __lowercase		:			Tuple	    =       os.path.join(_snake_case				,       BART_VOCAB_FILES_NAMES['''merges_file''']				)
          with open(self.vocab_file				,       '''w'''				,       encoding='''utf-8'''				) as fp:
              fp.write(json.dumps(_snake_case				) + '''\n'''				)
          with open(self.merges_file				,       '''w'''				,       encoding='''utf-8'''				) as fp:
              fp.write('''\n'''.join(_snake_case				)				)




      def 		snake_case_			(      self		:       List[Any]				):
          return DPRQuestionEncoderTokenizer.from_pretrained(os.path.join(self.tmpdirname				,       '''dpr_tokenizer'''				)				)




      def 		snake_case_			(      self		:       Dict				):
          return DPRContextEncoderTokenizer.from_pretrained(os.path.join(self.tmpdirname				,       '''dpr_tokenizer'''				)				)




      def 		snake_case_			(      self		:       Optional[int]				):
          return BartTokenizer.from_pretrained(os.path.join(self.tmpdirname				,       '''bart_tokenizer'''				)				)




      def 		snake_case_			(      self		:       str				):
          shutil.rmtree(self.tmpdirname				)




      def 		snake_case_			(      self		:       Tuple				):
          __lowercase		:			Dict	    =       Dataset.from_dict(
              {
                  '''id''': ['''0''', '''1'''],
                  '''text''': ['''foo''', '''bar'''],
                  '''title''': ['''Foo''', '''Bar'''],
                  '''embeddings''': [np.ones(self.retrieval_vector_size				), 2 * np.ones(self.retrieval_vector_size				)],
              }				)
          dataset.add_faiss_index('''embeddings'''				,       string_factory='''Flat'''				,       metric_type=faiss.METRIC_INNER_PRODUCT				)
          return dataset




      def 		snake_case_			(      self		:       Union[str, Any]				):
          __lowercase		:			Union[str, Any]	    =       self.get_dummy_dataset()
          __lowercase		:			Optional[int]	    =       RagConfig(
              retrieval_vector_size=self.retrieval_vector_size				,       question_encoder=DPRConfig().to_dict()				,       generator=BartConfig().to_dict()				,       )
          with patch('''transformers.models.rag.retrieval_rag.load_dataset'''				) as mock_load_dataset:
              __lowercase		:			List[Any]	    =       dataset
              __lowercase		:			str	    =       RagRetriever(
                  _snake_case				,       question_encoder_tokenizer=self.get_dpr_tokenizer()				,       generator_tokenizer=self.get_bart_tokenizer()				,       )
          return retriever




      def 		snake_case_			(      self		:       int				,       _snake_case		:       bool				):
          __lowercase		:			Dict	    =       self.get_dummy_dataset()
          __lowercase		:			List[Any]	    =       RagConfig(
              retrieval_vector_size=self.retrieval_vector_size				,       question_encoder=DPRConfig().to_dict()				,       generator=BartConfig().to_dict()				,       index_name='''custom'''				,       )
          if from_disk:
              __lowercase		:			List[Any]	    =       os.path.join(self.tmpdirname				,       '''dataset'''				)
              __lowercase		:			Union[str, Any]	    =       os.path.join(self.tmpdirname				,       '''index.faiss'''				)
              dataset.get_index('''embeddings'''				).save(os.path.join(self.tmpdirname				,       '''index.faiss'''				)				)
              dataset.drop_index('''embeddings'''				)
              dataset.save_to_disk(os.path.join(self.tmpdirname				,       '''dataset'''				)				)
              del dataset
              __lowercase		:			Optional[Any]	    =       RagRetriever(
                  _snake_case				,       question_encoder_tokenizer=self.get_dpr_tokenizer()				,       generator_tokenizer=self.get_bart_tokenizer()				,       )
          else:
              __lowercase		:			Optional[Any]	    =       RagRetriever(
                  _snake_case				,       question_encoder_tokenizer=self.get_dpr_tokenizer()				,       generator_tokenizer=self.get_bart_tokenizer()				,       index=CustomHFIndex(config.retrieval_vector_size				,       _snake_case				)				,       )
          return retriever




      def 		snake_case_			(      self		:       str				):
          __lowercase		:			List[str]	    =       Dataset.from_dict(
              {
                  '''id''': ['''0''', '''1'''],
                  '''text''': ['''foo''', '''bar'''],
                  '''title''': ['''Foo''', '''Bar'''],
                  '''embeddings''': [np.ones(self.retrieval_vector_size + 1				), 2 * np.ones(self.retrieval_vector_size + 1				)],
              }				)
          dataset.add_faiss_index('''embeddings'''				,       string_factory='''Flat'''				,       metric_type=faiss.METRIC_INNER_PRODUCT				)

          __lowercase		:			Optional[int]	    =       os.path.join(self.tmpdirname				,       '''hf_bert_base.hnswSQ8_correct_phi_128.c_index'''				)
          dataset.save_faiss_index('''embeddings'''				,       index_file_name + '''.index.dpr'''				)
          pickle.dump(dataset['''id''']				,       open(index_file_name + '''.index_meta.dpr'''				,       '''wb'''				)				)

          __lowercase		:			str	    =       os.path.join(self.tmpdirname				,       '''psgs_w100.tsv.pkl'''				)
          __lowercase		:			Dict	    =       {sample['''id''']: [sample['''text'''], sample['''title''']] for sample in dataset}
          pickle.dump(_snake_case				,       open(_snake_case				,       '''wb'''				)				)

          __lowercase		:			List[str]	    =       RagConfig(
              retrieval_vector_size=self.retrieval_vector_size				,       question_encoder=DPRConfig().to_dict()				,       generator=BartConfig().to_dict()				,       index_name='''legacy'''				,       index_path=self.tmpdirname				,       )
          __lowercase		:			Optional[int]	    =       RagRetriever(
              _snake_case				,       question_encoder_tokenizer=self.get_dpr_tokenizer()				,       generator_tokenizer=self.get_bart_tokenizer()				)
          return retriever




      def 		snake_case_			(      self		:       Optional[Any]				):
          __lowercase		:			List[str]	    =       1
          __lowercase		:			Tuple	    =       self.get_dummy_canonical_hf_index_retriever()
          __lowercase		:			List[Any]	    =       np.array(
              [np.ones(self.retrieval_vector_size				), -np.ones(self.retrieval_vector_size				)]				,       dtype=np.floataa				)
          __lowercase    ,      __lowercase    ,      __lowercase		:			str	    =       retriever.retrieve(_snake_case				,       n_docs=_snake_case				)
          self.assertEqual(retrieved_doc_embeds.shape				,       (2, n_docs, self.retrieval_vector_size)				)
          self.assertEqual(len(_snake_case				)				,       2				)
          self.assertEqual(sorted(doc_dicts[0]				)				,       ['''embeddings''', '''id''', '''text''', '''title''']				)
          self.assertEqual(len(doc_dicts[0]['''id''']				)				,       _snake_case				)
          self.assertEqual(doc_dicts[0]['''id'''][0]				,       '''1'''				)  # max inner product is reached with second doc
          self.assertEqual(doc_dicts[1]['''id'''][0]				,       '''0'''				)  # max inner product is reached with first doc
          self.assertListEqual(doc_ids.tolist()				,       [[1], [0]]				)




      def 		snake_case_			(      self		:       int				):
          __lowercase		:			int	    =       self.get_dummy_canonical_hf_index_retriever()
          with tempfile.TemporaryDirectory() as tmp_dirname:
              with patch('''transformers.models.rag.retrieval_rag.load_dataset'''				) as mock_load_dataset:
                  __lowercase		:			Optional[Any]	    =       self.get_dummy_dataset()
                  retriever.save_pretrained(_snake_case				)
                  __lowercase		:			str	    =       RagRetriever.from_pretrained(_snake_case				)
                  self.assertIsInstance(_snake_case				,       _snake_case				)
                  __lowercase		:			List[str]	    =       np.array(
                      [np.ones(self.retrieval_vector_size				), -np.ones(self.retrieval_vector_size				)]				,       dtype=np.floataa				)
                  __lowercase		:			Union[str, Any]	    =       retriever.retrieve(_snake_case				,       n_docs=1				)
                  self.assertTrue(out is not None				)




      def 		snake_case_			(      self		:       str				):
          __lowercase		:			List[str]	    =       1
          __lowercase		:			Dict	    =       self.get_dummy_custom_hf_index_retriever(from_disk=_snake_case				)
          __lowercase		:			Optional[Any]	    =       np.array(
              [np.ones(self.retrieval_vector_size				), -np.ones(self.retrieval_vector_size				)]				,       dtype=np.floataa				)
          __lowercase    ,      __lowercase    ,      __lowercase		:			Tuple	    =       retriever.retrieve(_snake_case				,       n_docs=_snake_case				)
          self.assertEqual(retrieved_doc_embeds.shape				,       (2, n_docs, self.retrieval_vector_size)				)
          self.assertEqual(len(_snake_case				)				,       2				)
          self.assertEqual(sorted(doc_dicts[0]				)				,       ['''embeddings''', '''id''', '''text''', '''title''']				)
          self.assertEqual(len(doc_dicts[0]['''id''']				)				,       _snake_case				)
          self.assertEqual(doc_dicts[0]['''id'''][0]				,       '''1'''				)  # max inner product is reached with second doc
          self.assertEqual(doc_dicts[1]['''id'''][0]				,       '''0'''				)  # max inner product is reached with first doc
          self.assertListEqual(doc_ids.tolist()				,       [[1], [0]]				)




      def 		snake_case_			(      self		:       Any				):
          __lowercase		:			List[str]	    =       self.get_dummy_custom_hf_index_retriever(from_disk=_snake_case				)
          with tempfile.TemporaryDirectory() as tmp_dirname:
              retriever.save_pretrained(_snake_case				)
              __lowercase		:			Optional[Any]	    =       RagRetriever.from_pretrained(_snake_case				)
              self.assertIsInstance(_snake_case				,       _snake_case				)
              __lowercase		:			Optional[Any]	    =       np.array(
                  [np.ones(self.retrieval_vector_size				), -np.ones(self.retrieval_vector_size				)]				,       dtype=np.floataa				)
              __lowercase		:			List[Any]	    =       retriever.retrieve(_snake_case				,       n_docs=1				)
              self.assertTrue(out is not None				)




      def 		snake_case_			(      self		:       List[Any]				):
          __lowercase		:			Any	    =       1
          __lowercase		:			List[Any]	    =       self.get_dummy_custom_hf_index_retriever(from_disk=_snake_case				)
          __lowercase		:			Any	    =       np.array(
              [np.ones(self.retrieval_vector_size				), -np.ones(self.retrieval_vector_size				)]				,       dtype=np.floataa				)
          __lowercase    ,      __lowercase    ,      __lowercase		:			Union[str, Any]	    =       retriever.retrieve(_snake_case				,       n_docs=_snake_case				)
          self.assertEqual(retrieved_doc_embeds.shape				,       (2, n_docs, self.retrieval_vector_size)				)
          self.assertEqual(len(_snake_case				)				,       2				)
          self.assertEqual(sorted(doc_dicts[0]				)				,       ['''embeddings''', '''id''', '''text''', '''title''']				)
          self.assertEqual(len(doc_dicts[0]['''id''']				)				,       _snake_case				)
          self.assertEqual(doc_dicts[0]['''id'''][0]				,       '''1'''				)  # max inner product is reached with second doc
          self.assertEqual(doc_dicts[1]['''id'''][0]				,       '''0'''				)  # max inner product is reached with first doc
          self.assertListEqual(doc_ids.tolist()				,       [[1], [0]]				)




      def 		snake_case_			(      self		:       Any				):
          __lowercase		:			str	    =       self.get_dummy_custom_hf_index_retriever(from_disk=_snake_case				)
          with tempfile.TemporaryDirectory() as tmp_dirname:
              retriever.save_pretrained(_snake_case				)
              __lowercase		:			Optional[int]	    =       RagRetriever.from_pretrained(_snake_case				)
              self.assertIsInstance(_snake_case				,       _snake_case				)
              __lowercase		:			Union[str, Any]	    =       np.array(
                  [np.ones(self.retrieval_vector_size				), -np.ones(self.retrieval_vector_size				)]				,       dtype=np.floataa				)
              __lowercase		:			Tuple	    =       retriever.retrieve(_snake_case				,       n_docs=1				)
              self.assertTrue(out is not None				)




      def 		snake_case_			(      self		:       Tuple				):
          __lowercase		:			Optional[int]	    =       1
          __lowercase		:			str	    =       self.get_dummy_legacy_index_retriever()
          __lowercase		:			Tuple	    =       np.array(
              [np.ones(self.retrieval_vector_size				), -np.ones(self.retrieval_vector_size				)]				,       dtype=np.floataa				)
          __lowercase    ,      __lowercase    ,      __lowercase		:			Tuple	    =       retriever.retrieve(_snake_case				,       n_docs=_snake_case				)
          self.assertEqual(retrieved_doc_embeds.shape				,       (2, n_docs, self.retrieval_vector_size)				)
          self.assertEqual(len(_snake_case				)				,       2				)
          self.assertEqual(sorted(doc_dicts[0]				)				,       ['''text''', '''title''']				)
          self.assertEqual(len(doc_dicts[0]['''text''']				)				,       _snake_case				)
          self.assertEqual(doc_dicts[0]['''text'''][0]				,       '''bar'''				)  # max inner product is reached with second doc
          self.assertEqual(doc_dicts[1]['''text'''][0]				,       '''foo'''				)  # max inner product is reached with first doc
          self.assertListEqual(doc_ids.tolist()				,       [[1], [0]]				)




      def 		snake_case_			(      self		:       Union[str, Any]				):
          __lowercase		:			Tuple	    =       self.get_dummy_legacy_index_retriever()
          with tempfile.TemporaryDirectory() as tmp_dirname:
              retriever.save_pretrained(_snake_case				)
              __lowercase		:			Tuple	    =       RagRetriever.from_pretrained(_snake_case				)
              self.assertIsInstance(_snake_case				,       _snake_case				)
              __lowercase		:			Optional[int]	    =       np.array(
                  [np.ones(self.retrieval_vector_size				), -np.ones(self.retrieval_vector_size				)]				,       dtype=np.floataa				)
              __lowercase		:			Tuple	    =       retriever.retrieve(_snake_case				,       n_docs=1				)
              self.assertTrue(out is not None				)




      @require_torch
      @require_tokenizers
      @require_sentencepiece
      def 		snake_case_			(      self		:       Optional[Any]				):
          import torch

          __lowercase		:			Tuple	    =       1
          __lowercase		:			Any	    =       self.get_dummy_canonical_hf_index_retriever()
          __lowercase		:			str	    =       [[5, 7], [10, 11]]
          __lowercase		:			List[Any]	    =       np.array(
              [np.ones(self.retrieval_vector_size				), -np.ones(self.retrieval_vector_size				)]				,       dtype=np.floataa				)
          __lowercase		:			Any	    =       retriever(_snake_case				,       _snake_case				,       prefix=retriever.config.generator.prefix				,       n_docs=_snake_case				)
          __lowercase    ,      __lowercase    ,      __lowercase		:			Tuple	    =       (
              out['''context_input_ids'''],
              out['''context_attention_mask'''],
              out['''retrieved_doc_embeds'''],
          )
          self.assertEqual(retrieved_doc_embeds.shape				,       (2, n_docs, self.retrieval_vector_size)				)
          self.assertIsInstance(_snake_case				,       _snake_case				)
          self.assertIsInstance(_snake_case				,       _snake_case				)
          self.assertIsInstance(_snake_case				,       np.ndarray				)

          __lowercase		:			Optional[Any]	    =       retriever(
              _snake_case				,       _snake_case				,       prefix=retriever.config.generator.prefix				,       n_docs=_snake_case				,       return_tensors='''pt'''				,       )
          __lowercase    ,      __lowercase    ,      __lowercase    ,      __lowercase		:			Optional[Any]	    =       (  # noqa: F841
              out['''context_input_ids'''],
              out['''context_attention_mask'''],
              out['''retrieved_doc_embeds'''],
              out['''doc_ids'''],
          )
          self.assertEqual(retrieved_doc_embeds.shape				,       (2, n_docs, self.retrieval_vector_size)				)
          self.assertIsInstance(_snake_case				,       torch.Tensor				)
          self.assertIsInstance(_snake_case				,       torch.Tensor				)
          self.assertIsInstance(_snake_case				,       torch.Tensor				)




      @require_torch
      @require_tokenizers
      @require_sentencepiece
      def 		snake_case_			(      self		:       List[Any]				):
          __lowercase		:			Tuple	    =       self.get_dpr_ctx_encoder_tokenizer()
          __lowercase		:			str	    =       1
          __lowercase		:			int	    =       self.get_dummy_custom_hf_index_retriever(from_disk=_snake_case				)
          retriever.set_ctx_encoder_tokenizer(_snake_case				)

          __lowercase		:			Tuple	    =       [[5, 7], [10, 11]]
          __lowercase		:			int	    =       np.array(
              [np.ones(self.retrieval_vector_size				), -np.ones(self.retrieval_vector_size				)]				,       dtype=np.floataa				)
          __lowercase		:			Any	    =       retriever(_snake_case				,       _snake_case				,       prefix=retriever.config.generator.prefix				,       n_docs=_snake_case				)

          self.assertEqual(
              len(_snake_case				)				,       6				)  # check whether the retriever output consist of 6 attributes including tokenized docs
          self.assertEqual(
              all(k in out for k in ('''tokenized_doc_ids''', '''tokenized_doc_attention_mask''')				)				,       _snake_case				)  # check for doc token related keys in dictionary.


