

"""simple docstring"""






from typing import List, Optional, Tuple, Union

import torch

from ...models import UNetaDModel
from ...schedulers import KarrasVeScheduler
from ...utils import randn_tensor
from ..pipeline_utils import DiffusionPipeline, ImagePipelineOutput







class 	__UpperCamelCase    (    a__						):
  _UpperCAmelCase          =		42
  _UpperCAmelCase          =		42

  def __init__(		self    ,_A    ,_A      ):
      '''simple docstring'''

      super().__init__()
      self.register_modules(unet=_A    ,scheduler=_A      )







  @torch.no_grad()
  def __call__(		self    ,_A = 1    ,_A = 50    ,_A = None    ,_A = "pil"    ,_A = True    ,**_A    ,):
      '''simple docstring'''

      _lowerCAmelCase       :   Dict  =    self.unet.config.sample_size
      _lowerCAmelCase       :   List[Any]  =    (batch_size, 3, img_size, img_size)

      _lowerCAmelCase       :   List[str]  =    self.unet

      # sample x_0 ~ N(0, sigma_0^2 * I)
      _lowerCAmelCase       :   Optional[Any]  =    randn_tensor(_A    ,generator=_A    ,device=self.device      ) * self.scheduler.init_noise_sigma

      self.scheduler.set_timesteps(_A      )

      for t in self.progress_bar(self.scheduler.timesteps      ):
          # here sigma_t == t_i from the paper
          _lowerCAmelCase       :   Tuple  =    self.scheduler.schedule[t]
          _lowerCAmelCase       :   Union[str, Any]  =    self.scheduler.schedule[t - 1] if t > 0 else 0

          # 1. Select temporarily increased noise level sigma_hat
          # 2. Add new noise to move from sample_i to sample_hat
          _lowerCAmelCase,					_lowerCAmelCase       :   Any  =    self.scheduler.add_noise_to_input(_A    ,_A    ,generator=_A      )

          # 3. Predict the noise residual given the noise magnitude `sigma_hat`
          # The model inputs and output are adjusted by following eq. (213) in [1].
          _lowerCAmelCase       :   List[str]  =    (sigma_hat / 2) * model((sample_hat + 1) / 2    ,sigma_hat / 2      ).sample

          # 4. Evaluate dx/dt at sigma_hat
          # 5. Take Euler step from sigma to sigma_prev
          _lowerCAmelCase       :   Any  =    self.scheduler.step(_A    ,_A    ,_A    ,_A      )

          if sigma_prev != 0:
              # 6. Apply 2nd order correction
              # The model inputs and output are adjusted by following eq. (213) in [1].
              _lowerCAmelCase       :   List[Any]  =    (sigma_prev / 2) * model((step_output.prev_sample + 1) / 2    ,sigma_prev / 2      ).sample
              _lowerCAmelCase       :   Any  =    self.scheduler.step_correct(
                  _A    ,_A    ,_A    ,_A    ,step_output.prev_sample    ,step_output['derivative']    ,)
          _lowerCAmelCase       :   List[Any]  =    step_output.prev_sample

      _lowerCAmelCase       :   Any  =    (sample / 2 + 0.5).clamp(0    ,1      )
      _lowerCAmelCase       :   str  =    sample.cpu().permute(0    ,2    ,3    ,1      ).numpy()
      if output_type == "pil":
          _lowerCAmelCase       :   Dict  =    self.numpy_to_pil(_A      )

      if not return_dict:
          return (image,)

      return ImagePipelineOutput(images=_A      )








"""simple docstring"""






import os
import unicodedata
from shutil import copyfile
from typing import Any, Dict, List, Optional, Tuple

import sentencepiece as spm

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...utils import SPIECE_UNDERLINE, logging


_lowerCAmelCase						=		logging.get_logger(__name__)

_lowerCAmelCase						=		{"""vocab_file""": """spiece.model"""}

_lowerCAmelCase						=		{
    """vocab_file""": {
        """xlnet-base-cased""": """https://huggingface.co/xlnet-base-cased/resolve/main/spiece.model""",
        """xlnet-large-cased""": """https://huggingface.co/xlnet-large-cased/resolve/main/spiece.model""",
    }
}

_lowerCAmelCase						=		{
    """xlnet-base-cased""": None,
    """xlnet-large-cased""": None,
}

# Segments (not really needed)
_lowerCAmelCase						=		0
_lowerCAmelCase						=		1
_lowerCAmelCase						=		2
_lowerCAmelCase						=		3
_lowerCAmelCase						=		4







class 	__UpperCamelCase    (    a__						):
  _UpperCAmelCase          =		VOCAB_FILES_NAMES
  _UpperCAmelCase          =		PRETRAINED_VOCAB_FILES_MAP
  _UpperCAmelCase          =		PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
  _UpperCAmelCase          =		"left"

  def __init__(		self    ,_A    ,_A=False    ,_A=True    ,_A=False    ,_A="<s>"    ,_A="</s>"    ,_A="<unk>"    ,_A="<sep>"    ,_A="<pad>"    ,_A="<cls>"    ,_A="<mask>"    ,_A=["<eop>", "<eod>"]    ,_A = None    ,**_A    ,):
      '''simple docstring'''

      _lowerCAmelCase       :   Optional[Any]  =    AddedToken(_A    ,lstrip=_A    ,rstrip=_A      ) if isinstance(_A    ,_A      ) else mask_token

      _lowerCAmelCase       :   Union[str, Any]  =    {} if sp_model_kwargs is None else sp_model_kwargs

      super().__init__(
          do_lower_case=_A    ,remove_space=_A    ,keep_accents=_A    ,bos_token=_A    ,eos_token=_A    ,unk_token=_A    ,sep_token=_A    ,pad_token=_A    ,cls_token=_A    ,mask_token=_A    ,additional_special_tokens=_A    ,sp_model_kwargs=self.sp_model_kwargs    ,**_A    ,)

      _lowerCAmelCase       :   int  =    3

      _lowerCAmelCase       :   Union[str, Any]  =    do_lower_case
      _lowerCAmelCase       :   Dict  =    remove_space
      _lowerCAmelCase       :   int  =    keep_accents
      _lowerCAmelCase       :   List[str]  =    vocab_file

      _lowerCAmelCase       :   List[Any]  =    spm.SentencePieceProcessor(**self.sp_model_kwargs      )
      self.sp_model.Load(_A      )

  @property
  def __lowerCamelCase		(		self      ):
      '''simple docstring'''

      return len(self.sp_model      )

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

      _lowerCAmelCase       :   List[Any]  =    {self.convert_ids_to_tokens(_A      ): i for i in range(self.vocab_size      )}
      vocab.update(self.added_tokens_encoder      )
      return vocab

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

      _lowerCAmelCase       :   List[Any]  =    self.__dict__.copy()
      _lowerCAmelCase       :   List[str]  =    None
      return state

  def __setstate__(		self    ,_A      ):
      '''simple docstring'''

      _lowerCAmelCase       :   Union[str, Any]  =    d

      # for backward compatibility
      if not hasattr(self    ,'sp_model_kwargs'      ):
          _lowerCAmelCase       :   Union[str, Any]  =    {}

      _lowerCAmelCase       :   Optional[Any]  =    spm.SentencePieceProcessor(**self.sp_model_kwargs      )
      self.sp_model.Load(self.vocab_file      )

  def __lowerCamelCase		(		self    ,_A      ):
      '''simple docstring'''

      if self.remove_space:
          _lowerCAmelCase       :   str  =    ' '.join(inputs.strip().split()      )
      else:
          _lowerCAmelCase       :   Dict  =    inputs
      _lowerCAmelCase       :   List[str]  =    outputs.replace('``'    ,'"'      ).replace('\'\''    ,'"'      )

      if not self.keep_accents:
          _lowerCAmelCase       :   Optional[Any]  =    unicodedata.normalize('NFKD'    ,_A      )
          _lowerCAmelCase       :   Dict  =    ''.join([c for c in outputs if not unicodedata.combining(_A      )]      )
      if self.do_lower_case:
          _lowerCAmelCase       :   Tuple  =    outputs.lower()

      return outputs

  def __lowerCamelCase		(		self    ,_A      ):
      '''simple docstring'''

      _lowerCAmelCase       :   Union[str, Any]  =    self.preprocess_text(_A      )
      _lowerCAmelCase       :   int  =    self.sp_model.encode(_A    ,out_type=_A      )
      _lowerCAmelCase       :   int  =    []
      for piece in pieces:
          if len(_A      ) > 1 and piece[-1] == str(','      ) and piece[-2].isdigit():
              _lowerCAmelCase       :   Union[str, Any]  =    self.sp_model.EncodeAsPieces(piece[:-1].replace(_A    ,''      )      )
              if piece[0] != SPIECE_UNDERLINE and cur_pieces[0][0] == SPIECE_UNDERLINE:
                  if len(cur_pieces[0]      ) == 1:
                      _lowerCAmelCase       :   int  =    cur_pieces[1:]
                  else:
                      _lowerCAmelCase       :   Any  =    cur_pieces[0][1:]
              cur_pieces.append(piece[-1]      )
              new_pieces.extend(_A      )
          else:
              new_pieces.append(_A      )

      return new_pieces

  def __lowerCamelCase		(		self    ,_A      ):
      '''simple docstring'''

      return self.sp_model.PieceToId(_A      )

  def __lowerCamelCase		(		self    ,_A      ):
      '''simple docstring'''

      return self.sp_model.IdToPiece(_A      )

  def __lowerCamelCase		(		self    ,_A      ):
      '''simple docstring'''

      _lowerCAmelCase       :   Optional[Any]  =    ''.join(_A      ).replace(_A    ,' '      ).strip()
      return out_string

  def __lowerCamelCase		(		self    ,_A    ,_A = False    ,_A = None    ,_A = True    ,**_A    ,):
      '''simple docstring'''

      _lowerCAmelCase       :   Dict  =    kwargs.pop('use_source_tokenizer'    ,_A      )

      _lowerCAmelCase       :   Dict  =    self.convert_ids_to_tokens(_A    ,skip_special_tokens=_A      )

      # To avoid mixing byte-level and unicode for byte-level BPT
      # we need to build string separately for added tokens and byte-level tokens
      # cf. https://github.com/huggingface/transformers/issues/1133
      _lowerCAmelCase       :   Optional[Any]  =    []
      _lowerCAmelCase       :   int  =    []
      for token in filtered_tokens:
          if skip_special_tokens and token in self.all_special_ids:
              continue
          if token in self.added_tokens_encoder:
              if current_sub_text:
                  sub_texts.append(self.convert_tokens_to_string(_A      )      )
                  _lowerCAmelCase       :   Tuple  =    []
              sub_texts.append(_A      )
          else:
              current_sub_text.append(_A      )
      if current_sub_text:
          sub_texts.append(self.convert_tokens_to_string(_A      )      )

      # Mimic the behavior of the Rust tokenizer:
      # By default, there are no spaces between special tokens
      _lowerCAmelCase       :   List[Any]  =    ''.join(_A      )

      _lowerCAmelCase       :   Tuple  =    (
          clean_up_tokenization_spaces
          if clean_up_tokenization_spaces is not None
          else self.clean_up_tokenization_spaces
      )
      if clean_up_tokenization_spaces:
          _lowerCAmelCase       :   int  =    self.clean_up_tokenization(_A      )
          return clean_text
      else:
          return text

  def __lowerCamelCase		(		self    ,_A    ,_A = None      ):
      '''simple docstring'''

      _lowerCAmelCase       :   str  =    [self.sep_token_id]
      _lowerCAmelCase       :   Union[str, Any]  =    [self.cls_token_id]
      if token_ids_a is None:
          return token_ids_a + sep + cls
      return token_ids_a + sep + token_ids_a + sep + cls

  def __lowerCamelCase		(		self    ,_A    ,_A = None    ,_A = False      ):
      '''simple docstring'''

      if already_has_special_tokens:
          return super().get_special_tokens_mask(
              token_ids_a=_A    ,token_ids_a=_A    ,already_has_special_tokens=_A      )

      if token_ids_a is not None:
          return ([0] * len(_A      )) + [1] + ([0] * len(_A      )) + [1, 1]
      return ([0] * len(_A      )) + [1, 1]

  def __lowerCamelCase		(		self    ,_A    ,_A = None      ):
      '''simple docstring'''

      _lowerCAmelCase       :   str  =    [self.sep_token_id]
      _lowerCAmelCase       :   Any  =    [2]

      if token_ids_a is None:
          return len(token_ids_a + sep      ) * [0] + cls_segment_id
      return len(token_ids_a + sep      ) * [0] + len(token_ids_a + sep      ) * [1] + cls_segment_id







  def __lowerCamelCase		(		self    ,_A    ,_A = None      ):
      '''simple docstring'''

      if not os.path.isdir(_A      ):
          logger.error(F"""Vocabulary path ({save_directory}) should be a directory"""      )
          return
      _lowerCAmelCase       :   str  =    os.path.join(
          _A    ,(filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['vocab_file']      )

      if os.path.abspath(self.vocab_file      ) != os.path.abspath(_A      ) and os.path.isfile(self.vocab_file      ):
          copyfile(self.vocab_file    ,_A      )
      elif not os.path.isfile(self.vocab_file      ):
          with open(_A    ,'wb'      ) as fi:
              _lowerCAmelCase       :   Optional[Any]  =    self.sp_model.serialized_model_proto()
              fi.write(_A      )

      return (out_vocab_file,)





