





'''simple docstring'''
import os
from functools import partial
from glob import glob

import faiss
from datasets import Features, Sequence, Value, concatenate_datasets, load_dataset, load_from_disk

from transformers import DPRContextEncoder, DPRContextEncoderTokenizerFast
def     lowercase__       (       __lowercase						:  Any    ,  __lowercase						:  int=100    ,  __lowercase						:  str=" "					)			->				Dict:



       """simple docstring"""






       __UpperCamelCase	=  text.split(__lowercase					)
       return [character.join(text[i : i + n]					).strip() for i in range(0    ,  len(__lowercase					)    ,  __lowercase					)]
def     lowercase__       (       __lowercase						:  str					)			->				List[Any]:



       """simple docstring"""






       __UpperCamelCase	,						__UpperCamelCase	=  [], []
       for title, text in zip(documents['title']    ,  documents['text']					):
              if text is not None:
                     for passage in split_text(__lowercase					):
                            titles.append(title if title is not None else ''					)
                            texts.append(__lowercase					)
       return {"title": titles, "text": texts}
def     lowercase__       (       __lowercase						:  Union[str, Any]    ,  __lowercase						:  int    ,  __lowercase						:  Tuple    ,  __lowercase						:  Dict    ,  __lowercase						:  List[Any]    ,  __lowercase						:  Any					)			->				Dict:



       """simple docstring"""






       __UpperCamelCase	=  load_dataset(
           'csv'    ,  data_files=[csv_path]    ,  split='train'    ,  delimiter='\t'    ,  column_names=['title', 'text']					)
       __UpperCamelCase	=  kb_dataset.map(
           __lowercase    ,  batched=__lowercase    ,  num_proc=1					)  # if you want you can load already splitted csv.
       __UpperCamelCase	=  [kb_dataset.shard(__lowercase    ,  __lowercase    ,  contiguous=__lowercase					) for i in range(__lowercase					)]
       __UpperCamelCase	=  kb_list[process_num]

       __UpperCamelCase	=  'data_' + str(__lowercase					)
       __UpperCamelCase	=  os.path.join(__lowercase    ,  __lowercase					)

       __UpperCamelCase	=  DPRContextEncoderTokenizerFast.from_pretrained('facebook/dpr-ctx_encoder-multiset-base'					)
       __UpperCamelCase	=  ctx_encoder.to(device=__lowercase					)

       def embed(
           __lowercase						:  dict    ,  __lowercase						:  DPRContextEncoder    ,  __lowercase						:  DPRContextEncoderTokenizerFast    ,  __lowercase						:  Any					) -> dict:
              __UpperCamelCase	=  ctx_tokenizer(
                  documents['title']    ,  documents['text']    ,  truncation=__lowercase    ,  padding='longest'    ,  return_tensors='pt'					)['input_ids']
              __UpperCamelCase	=  ctx_encoder(input_ids.to(device=__lowercase					)    ,  return_dict=__lowercase					).pooler_output
              return {"embeddings": embeddings.detach().cpu().numpy()}

       __UpperCamelCase	=  Features(
           {'text': Value('string'					), 'title': Value('string'					), 'embeddings': Sequence(Value('float32'					)					)}					)  # optional, save as float32 instead of float64 to save space

       __UpperCamelCase	=  data_shrad.map(
           partial(__lowercase    ,  ctx_encoder=__lowercase    ,  ctx_tokenizer=__lowercase    ,  device=__lowercase					)    ,  batched=__lowercase    ,  batch_size=16    ,  features=__lowercase    ,  )
       dataset.save_to_disk(__lowercase					)


def     lowercase__       (       __lowercase						:  str    ,  __lowercase						:  str					)			->				List[Any]:



       """simple docstring"""






       __UpperCamelCase	=  []

       for shard_address in glob(str(__lowercase					) + '/*/'					):
              data_shard_list.append(load_from_disk(__lowercase					)					)

       __UpperCamelCase	=  concatenate_datasets(__lowercase					)
       faiss.omp_set_num_threads(96					)

       __UpperCamelCase	=  faiss.IndexHNSWFlat(768    ,  128    ,  faiss.METRIC_INNER_PRODUCT					)
       concat.add_faiss_index('embeddings'    ,  custom_index=__lowercase					)
       concat.get_index('embeddings'					).save(
           __lowercase					)  # since we load the index in to memory,we can directly update the index in the disk







'''simple docstring'''
import logging
import os
import sys
import threading
from logging import (
    CRITICAL,  # NOQA
    DEBUG,  # NOQA
    ERROR,  # NOQA
    FATAL,  # NOQA
    INFO,  # NOQA
    NOTSET,  # NOQA
    WARN,  # NOQA
    WARNING,  # NOQA
)
from typing import Optional

from tqdm import auto as tqdm_lib


a__							:							Optional[int]			=threading.Lock()
a__							:							Optional[logging.Handler]			=None

a__							:							Optional[Any]			={
    '''debug''': logging.DEBUG,
    '''info''': logging.INFO,
    '''warning''': logging.WARNING,
    '''error''': logging.ERROR,
    '''critical''': logging.CRITICAL,
}

a__							:							List[Any]			=logging.WARNING

a__							:							str			=True
def     lowercase__       (       )			->				int:



       """simple docstring"""






       __UpperCamelCase	=  os.getenv('DIFFUSERS_VERBOSITY'    ,  __lowercase					)
       if env_level_str:
              if env_level_str in log_levels:
                     return log_levels[env_level_str]
              else:
                     logging.getLogger().warning(
                         F'''Unknown option DIFFUSERS_VERBOSITY={env_level_str}, '''
                         F'''has to be one of: { ', '.join(log_levels.keys()					) }'''					)
       return _default_log_level
def     lowercase__       (       )			->				str:



       """simple docstring"""






       return __name__.split('.'					)[0]
def     lowercase__       (       )			->				logging.Logger:



       """simple docstring"""






       return logging.getLogger(_get_library_name()					)
def     lowercase__       (       )			->				None:



       """simple docstring"""






       global _default_handler

       with _lock:
              if _default_handler:
                     # This library has already configured the library root logger.
                     return
              __UpperCamelCase	=  logging.StreamHandler()  # Set sys.stderr as stream.
              __UpperCamelCase	=  sys.stderr.flush

              # Apply our default configuration to the library root logger.
              __UpperCamelCase	=  _get_library_root_logger()
              library_root_logger.addHandler(_default_handler					)
              library_root_logger.setLevel(_get_default_logging_level()					)
              __UpperCamelCase	=  False
def     lowercase__       (       )			->				None:



       """simple docstring"""






       global _default_handler

       with _lock:
              if not _default_handler:
                     return

              __UpperCamelCase	=  _get_library_root_logger()
              library_root_logger.removeHandler(_default_handler					)
              library_root_logger.setLevel(logging.NOTSET					)
              __UpperCamelCase	=  None
def     lowercase__       (       )			->				str:



       """simple docstring"""






       return log_levels
def     lowercase__       (       __lowercase						:  Optional[str] = None					)			->				logging.Logger:



       """simple docstring"""






       if name is None:
              __UpperCamelCase	=  _get_library_name()

       _configure_library_root_logger()
       return logging.getLogger(__lowercase					)
def     lowercase__       (       )			->				int:



       """simple docstring"""






       _configure_library_root_logger()
       return _get_library_root_logger().getEffectiveLevel()
def     lowercase__       (       __lowercase						:  int					)			->				None:



       """simple docstring"""






       _configure_library_root_logger()
       _get_library_root_logger().setLevel(__lowercase					)
def     lowercase__       (       )			->				Tuple:



       """simple docstring"""






       return set_verbosity(__lowercase					)
def     lowercase__       (       )			->				Union[str, Any]:



       """simple docstring"""






       return set_verbosity(__lowercase					)
def     lowercase__       (       )			->				Any:



       """simple docstring"""






       return set_verbosity(__lowercase					)
def     lowercase__       (       )			->				int:



       """simple docstring"""






       return set_verbosity(__lowercase					)
def     lowercase__       (       )			->				None:



       """simple docstring"""






       _configure_library_root_logger()

       assert _default_handler is not None
       _get_library_root_logger().removeHandler(_default_handler					)
def     lowercase__       (       )			->				None:



       """simple docstring"""






       _configure_library_root_logger()

       assert _default_handler is not None
       _get_library_root_logger().addHandler(_default_handler					)
def     lowercase__       (       __lowercase						:  logging.Handler					)			->				None:



       """simple docstring"""






       _configure_library_root_logger()

       assert handler is not None
       _get_library_root_logger().addHandler(__lowercase					)
def     lowercase__       (       __lowercase						:  logging.Handler					)			->				None:



       """simple docstring"""






       _configure_library_root_logger()

       assert handler is not None and handler not in _get_library_root_logger().handlers
       _get_library_root_logger().removeHandler(__lowercase					)
def     lowercase__       (       )			->				None:



       """simple docstring"""






       _configure_library_root_logger()
       __UpperCamelCase	=  False
def     lowercase__       (       )			->				None:



       """simple docstring"""






       _configure_library_root_logger()
       __UpperCamelCase	=  True
def     lowercase__       (       )			->				None:



       """simple docstring"""






       __UpperCamelCase	=  _get_library_root_logger().handlers

       for handler in handlers:
              __UpperCamelCase	=  logging.Formatter('[%(levelname)s|%(filename)s:%(lineno)s] %(asctime)s >> %(message)s'					)
              handler.setFormatter(__lowercase					)
def     lowercase__       (       )			->				None:



       """simple docstring"""






       __UpperCamelCase	=  _get_library_root_logger().handlers

       for handler in handlers:
              handler.setFormatter(__lowercase					)
def     lowercase__       (       self						:  int    ,  *__lowercase						:  List[str]    ,  **__lowercase						:  List[Any]					)			->				Any:



       """simple docstring"""






       __UpperCamelCase	=  os.getenv('DIFFUSERS_NO_ADVISORY_WARNINGS'    ,  __lowercase					)
       if no_advisory_warnings:
              return
       self.warning(*__lowercase    ,  **__lowercase					)


a__							:							Dict			=warning_advice

class 					snake_case					:




 """simple docstring"""



 def __init__(	self	:							Optional[int]							,     *__A	:							int							,     **__A	:							Dict     ):  # pylint: disable=unused-argument
        __UpperCamelCase	=  args[0] if args else None






 def __iter__(	self	:							str     ):
        return iter(self._iterator     )






 def __getattr__(	self	:							Tuple							,     __A	:							Any     ):

        def empty_fn(*__A	:							Any							,     **__A	:							List[str]     ):  # pylint: disable=unused-argument
               return

        return empty_fn






 def __enter__(	self	:							str     ):
        return self






 def __exit__(	self	:							Optional[Any]							,     __A	:							Dict							,     __A	:							str							,     __A	:							Dict     ):
        return






class 					snake_case					:




 """simple docstring"""



 def __call__(	self	:							Union[str, Any]							,     *__A	:							Union[str, Any]							,     **__A	:							Dict     ):
        if _tqdm_active:
               return tqdm_lib.tqdm(*__A							,     **__A     )
        else:
               return EmptyTqdm(*__A							,     **__A     )






 def 	_lowerCamelCase (	self	:							Any							,     *__A	:							str							,     **__A	:							Optional[int]     ):
        __UpperCamelCase	=  None
        if _tqdm_active:
               return tqdm_lib.tqdm.set_lock(*__A							,     **__A     )






 def 	_lowerCamelCase (	self	:							Optional[int]     ):
        if _tqdm_active:
               return tqdm_lib.tqdm.get_lock()






a__							:							List[Any]			=_tqdm_cls()
def     lowercase__       (       )			->				bool:



       """simple docstring"""






       global _tqdm_active
       return bool(_tqdm_active					)
def     lowercase__       (       )			->				List[str]:



       """simple docstring"""






       global _tqdm_active
       __UpperCamelCase	=  True


def     lowercase__       (       )			->				str:



       """simple docstring"""






       global _tqdm_active
       __UpperCamelCase	=  False
