
"""simple docstring"""


import logging
import random

import ray

from transformers import RagConfig, RagRetriever, RagTokenizer
from transformers.models.rag.retrieval_rag import CustomHFIndex


A_    							=					logging.getLogger(__name__)




class  __lowerCamelCase  :




				def __init__(				self   ):
							lowerCamelCase_					=  False




				def        UpperCAmelCase__						(				self							,						UpperCAmelCase							,						UpperCAmelCase							,						UpperCAmelCase							,						UpperCAmelCase   ):
							if not self.initialized:
										lowerCamelCase_					=  RagRetriever(
										    UpperCAmelCase							,						question_encoder_tokenizer=UpperCAmelCase							,						generator_tokenizer=UpperCAmelCase							,						index=UpperCAmelCase							,						init_retrieval=UpperCAmelCase							,						)
										lowerCamelCase_					=  True




				def        UpperCAmelCase__						(				self   ):
							self.retriever.index.init_index()





				def        UpperCAmelCase__						(				self							,						UpperCAmelCase							,						UpperCAmelCase   ):
							lowerCamelCase_		, lowerCamelCase_					=  self.retriever._main_retrieve(UpperCAmelCase							,						UpperCAmelCase   )
							return doc_ids, retrieved_doc_embeds




class  __lowerCamelCase  ( lowerCAmelCase			):




				def __init__(				self							,						UpperCAmelCase							,						UpperCAmelCase							,						UpperCAmelCase							,						UpperCAmelCase							,						UpperCAmelCase=None   ):
							if index is not None and index.is_initialized() and len(UpperCAmelCase   ) > 0:
										raise ValueError(
										    '''When using Ray for distributed fine-tuning, '''
										    '''you\'ll need to provide the paths instead, '''
										    '''as the dataset and the index are loaded '''
										    '''separately. More info in examples/rag/use_own_knowledge_dataset.py '''   )
							super().__init__(
							    UpperCAmelCase							,						question_encoder_tokenizer=UpperCAmelCase							,						generator_tokenizer=UpperCAmelCase							,						index=UpperCAmelCase							,						init_retrieval=UpperCAmelCase							,						)
							lowerCamelCase_					=  retrieval_workers
							if len(self.retrieval_workers   ) > 0:
										ray.get(
										    [
										        worker.create_rag_retriever.remote(UpperCAmelCase							,						UpperCAmelCase							,						UpperCAmelCase							,						UpperCAmelCase   )
										        for worker in self.retrieval_workers
										    ]   )




				def        UpperCAmelCase__						(				self   ):
							logger.info('''initializing retrieval'''   )

							if len(self.retrieval_workers   ) > 0:
										ray.get([worker.init_retrieval.remote() for worker in self.retrieval_workers]   )
							else:
										# Non-distributed training. Load index into this same process.
										self.index.init_index()




				def        UpperCAmelCase__						(				self							,						UpperCAmelCase							,						UpperCAmelCase   ):
							if len(self.retrieval_workers   ) > 0:
										# Select a random retrieval actor.
										lowerCamelCase_					=  self.retrieval_workers[random.randint(0							,						len(self.retrieval_workers   ) - 1   )]
										lowerCamelCase_		, lowerCamelCase_					=  ray.get(random_worker.retrieve.remote(UpperCAmelCase							,						UpperCAmelCase   )   )
							else:
										lowerCamelCase_		, lowerCamelCase_					=  self._main_retrieve(UpperCAmelCase							,						UpperCAmelCase   )
							return retrieved_doc_embeds, doc_ids, self.index.get_doc_dicts(UpperCAmelCase   )




				@classmethod
				def        UpperCAmelCase__						(				cls							,						UpperCAmelCase							,						UpperCAmelCase=None							,						**UpperCAmelCase   ):
							return super(UpperCAmelCase							,						cls   ).get_tokenizers(UpperCAmelCase							,						UpperCAmelCase							,						**UpperCAmelCase   )





				@classmethod
				def        UpperCAmelCase__						(				cls							,						UpperCAmelCase							,						UpperCAmelCase							,						UpperCAmelCase=None							,						**UpperCAmelCase   ):
							lowerCamelCase_					=  kwargs.pop('''config'''							,						UpperCAmelCase   ) or RagConfig.from_pretrained(UpperCAmelCase							,						**UpperCAmelCase   )
							lowerCamelCase_					=  RagTokenizer.from_pretrained(UpperCAmelCase							,						config=UpperCAmelCase   )
							lowerCamelCase_					=  rag_tokenizer.question_encoder
							lowerCamelCase_					=  rag_tokenizer.generator
							if indexed_dataset is not None:
										lowerCamelCase_					=  '''custom'''
										lowerCamelCase_					=  CustomHFIndex(config.retrieval_vector_size							,						UpperCAmelCase   )
							else:
										lowerCamelCase_					=  cls._build_index(UpperCAmelCase   )
							return cls(
							    UpperCAmelCase							,						question_encoder_tokenizer=UpperCAmelCase							,						generator_tokenizer=UpperCAmelCase							,						retrieval_workers=UpperCAmelCase							,						index=UpperCAmelCase							,						)








from datasets.utils.patching import _PatchedModuleObj, patch_submodule

from . import _test_patching

def 	_lowerCAmelCase (    ):
      import os as original_os
      from os import path as original_path
      from os import rename as original_rename
      from os.path import dirname as original_dirname
      from os.path import join as original_join

      assert _test_patching.os is original_os
      assert _test_patching.path is original_path
      assert _test_patching.join is original_join

      assert _test_patching.renamed_os is original_os
      assert _test_patching.renamed_path is original_path
      assert _test_patching.renamed_join is original_join

      lowercase__  =	'__test_patch_submodule_mock__'
      with patch_submodule(_test_patching    ,	'os.path.join'    ,	A__						):
            # Every way to access os.path.join must be patched, and the rest must stay untouched

            # check os.path.join
            assert isinstance(_test_patching.os    ,	_PatchedModuleObj						)
            assert isinstance(_test_patching.os.path    ,	_PatchedModuleObj						)
            assert _test_patching.os.path.join is mock

            # check path.join
            assert isinstance(_test_patching.path    ,	_PatchedModuleObj						)
            assert _test_patching.path.join is mock

            # check join
            assert _test_patching.join is mock

            # check that the other attributes are untouched
            assert _test_patching.os.rename is original_rename
            assert _test_patching.path.dirname is original_dirname
            assert _test_patching.os.path.dirname is original_dirname

            # Even renamed modules or objects must be patched

            # check renamed_os.path.join
            assert isinstance(_test_patching.renamed_os    ,	_PatchedModuleObj						)
            assert isinstance(_test_patching.renamed_os.path    ,	_PatchedModuleObj						)
            assert _test_patching.renamed_os.path.join is mock

            # check renamed_path.join
            assert isinstance(_test_patching.renamed_path    ,	_PatchedModuleObj						)
            assert _test_patching.renamed_path.join is mock

            # check renamed_join
            assert _test_patching.renamed_join is mock

            # check that the other attributes are untouched
            assert _test_patching.renamed_os.rename is original_rename
            assert _test_patching.renamed_path.dirname is original_dirname
            assert _test_patching.renamed_os.path.dirname is original_dirname

      # check that everthing is back to normal when the patch is over

      assert _test_patching.os is original_os
      assert _test_patching.path is original_path
      assert _test_patching.join is original_join

      assert _test_patching.renamed_os is original_os
      assert _test_patching.renamed_path is original_path
      assert _test_patching.renamed_join is original_join

def 	_lowerCAmelCase (    ):
      assert _test_patching.open is open

      lowercase__  =	'__test_patch_submodule_builtin_mock__'
      # _test_patching has "open" in its globals
      assert _test_patching.open is open
      with patch_submodule(_test_patching    ,	'open'    ,	A__						):
            assert _test_patching.open is mock

      # check that everthing is back to normal when the patch is over

      assert _test_patching.open is open

def 	_lowerCAmelCase (    ):
      # pandas.read_csv is not present in _test_patching
      lowercase__  =	'__test_patch_submodule_missing_mock__'
      with patch_submodule(_test_patching    ,	'pandas.read_csv'    ,	A__						):
            pass

def 	_lowerCAmelCase (    ):
      # builtin should always be mocked even if they're not in the globals
      # in case they're loaded at one point
      lowercase__  =	'__test_patch_submodule_missing_builtin_mock__'
      # _test_patching doesn't have "len" in its globals
      assert getattr(_test_patching    ,	'len'    ,	A__						) is None
      with patch_submodule(_test_patching    ,	'len'    ,	A__						):
            assert _test_patching.len is mock
      assert _test_patching.len is len

def 	_lowerCAmelCase (    ):
      lowercase__  =	'__test_patch_submodule_start_and_stop_mock__'
      lowercase__  =	patch_submodule(_test_patching    ,	'open'    ,	A__						)
      assert _test_patching.open is open
      patch.start()
      assert _test_patching.open is mock
      patch.stop()
      assert _test_patching.open is open

def 	_lowerCAmelCase (    ):
      from os import rename as original_rename
      from os.path import dirname as original_dirname
      from os.path import join as original_join

      lowercase__  =	'__test_patch_submodule_successive_join__'
      lowercase__  =	'__test_patch_submodule_successive_dirname__'
      lowercase__  =	'__test_patch_submodule_successive_rename__'
      assert _test_patching.os.path.join is original_join
      assert _test_patching.os.path.dirname is original_dirname
      assert _test_patching.os.rename is original_rename

      with patch_submodule(_test_patching    ,	'os.path.join'    ,	A__						):
            with patch_submodule(_test_patching    ,	'os.rename'    ,	A__						):
                  with patch_submodule(_test_patching    ,	'os.path.dirname'    ,	A__						):
                        assert _test_patching.os.path.join is mock_join
                        assert _test_patching.os.path.dirname is mock_dirname
                        assert _test_patching.os.rename is mock_rename

    # try another order
      with patch_submodule(_test_patching    ,	'os.rename'    ,	A__						):
            with patch_submodule(_test_patching    ,	'os.path.join'    ,	A__						):
                  with patch_submodule(_test_patching    ,	'os.path.dirname'    ,	A__						):
                        assert _test_patching.os.path.join is mock_join
                        assert _test_patching.os.path.dirname is mock_dirname
                        assert _test_patching.os.rename is mock_rename

      assert _test_patching.os.path.join is original_join
      assert _test_patching.os.path.dirname is original_dirname
      assert _test_patching.os.rename is original_rename

def 	_lowerCAmelCase (    ):
      lowercase__  =	'__test_patch_submodule_doesnt_exist_mock__'
      with patch_submodule(_test_patching    ,	'__module_that_doesn_exist__.__attribute_that_doesn_exist__'    ,	A__						):
            pass
      with patch_submodule(_test_patching    ,	'os.__attribute_that_doesn_exist__'    ,	A__						):
            pass
