

import os
from shutil import copyfile
from typing import TYPE_CHECKING, Optional, Tuple

from tokenizers import processors

from ...tokenization_utils_fast import PreTrainedTokenizerFast
from ...utils import is_sentencepiece_available, logging
from ...utils.versions import require_version


if TYPE_CHECKING:
       from transformers.pipelines.conversational import Conversation

require_version("tokenizers>=0.13.3")

if is_sentencepiece_available():
       from .tokenization_llama import LlamaTokenizer
else:
       UpperCamelCase__     :					Optional[int]								=			None

UpperCamelCase__     :					Tuple								=			logging.get_logger(__name__)
UpperCamelCase__     :					List[Any]								=			{"vocab_file": "tokenizer.model", "tokenizer_file": "tokenizer.json"}

UpperCamelCase__		,       UpperCamelCase__     :					Any								=			"[INST]", "[/INST]"
UpperCamelCase__		,       UpperCamelCase__     :					Tuple								=			"<<SYS>>\n", "\n<</SYS>>\n\n"

# fmt: off
UpperCamelCase__     :					List[str]								=			"You are a helpful, respectful and honest assistant. Always answer as helpfully as possible, while being safe. Your\\nanswers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure\\nthat your responses are socially unbiased and positive in nature.\n\nIf a question does not make any sense, or is not factually coherent, explain why instead of answering something not\\ncorrect. If you don't know the answer to a question, please don't share false information."



class 					__snake_case     (			lowerCAmelCase__				):
  __lowerCAmelCase   :		Any         =     VOCAB_FILES_NAMES
  __lowerCAmelCase   :		Any         =     LlamaTokenizer
  __lowerCAmelCase   :		Dict         =     'left'
  __lowerCAmelCase   :		List[Any]         =     ['input_ids', 'attention_mask']

  def __init__(    self  ,						_A=None  ,						_A=None  ,						_A=False  ,						_A="<unk>"  ,						_A="<s>"  ,						_A="</s>"  ,						_A=True  ,						_A=False  ,						**_A  ,						):
      super().__init__(
          vocab_file=_A  ,						tokenizer_file=_A  ,						clean_up_tokenization_spaces=_A  ,						unk_token=_A  ,						bos_token=_A  ,						eos_token=_A  ,						**_A  ,						)
      SCREAMING_SNAKE_CASE_													=  add_bos_token
      SCREAMING_SNAKE_CASE_													=  add_eos_token
      self.update_post_processor()

      SCREAMING_SNAKE_CASE_													=  vocab_file
      SCREAMING_SNAKE_CASE_													=  False if not self.vocab_file else True

  def   lowerCAmelCase__   (    self):
      SCREAMING_SNAKE_CASE_													=  self.bos_token
      SCREAMING_SNAKE_CASE_													=  self.bos_token_id

      SCREAMING_SNAKE_CASE_													=  self.eos_token
      SCREAMING_SNAKE_CASE_													=  self.eos_token_id

      SCREAMING_SNAKE_CASE_													=  f"""{(bos+':0 ') * self.add_bos_token}$A:0{(' '+eos+':0') * self.add_eos_token}"""
      SCREAMING_SNAKE_CASE_													=  f"""{single}{(' '+bos+':1') * self.add_bos_token} $B:1{(' '+eos+':1') * self.add_eos_token}"""

      SCREAMING_SNAKE_CASE_													=  []
      if self.add_bos_token:
          special_tokens.append((bos, bos_token_id))
      if self.add_eos_token:
          special_tokens.append((eos, eos_token_id))
      SCREAMING_SNAKE_CASE_													=  processors.TemplateProcessing(
          single=_A  ,						pair=_A  ,						special_tokens=_A)

  @property
  def   lowerCAmelCase__   (    self):
      return self._add_eos_token

  @property
  def   lowerCAmelCase__   (    self):
      return self._add_bos_token

  @add_eos_token.setter
  def   lowerCAmelCase__   (    self  ,						_A):
      SCREAMING_SNAKE_CASE_													=  value
      self.update_post_processor()

  @add_bos_token.setter
  def   lowerCAmelCase__   (    self  ,						_A):
      SCREAMING_SNAKE_CASE_													=  value
      self.update_post_processor()

  def   lowerCAmelCase__   (    self  ,						_A  ,						_A = None):
      if not self.can_save_slow_tokenizer:
          raise ValueError(
              'Your fast tokenizer does not have the necessary information to save the vocabulary for a slow '
              'tokenizer.')

      if not os.path.isdir(_A):
          logger.error(f"""Vocabulary path ({save_directory}) should be a directory""")
          return
      SCREAMING_SNAKE_CASE_													=  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):
          copyfile(self.vocab_file  ,						_A)

      return (out_vocab_file,)


  def   lowerCAmelCase__   (    self  ,						_A):
      SCREAMING_SNAKE_CASE_													=  list(conversation.iter_texts())
      if not all([is_user for is_user, msg in dialogue[::2]]) or not all(
          [not is_user for is_user, msg in dialogue[1::2]]):
          raise ValueError(
              'The model only supports \'user\' and \'assistant\' roles, starting with user and alternating (u/a/u/a/u...)')

      SCREAMING_SNAKE_CASE_													=  []
      if len(conversation.past_user_inputs) > 0:
          if not conversation.past_user_inputs[0].startswith(_A) or E_SYS not in conversation.past_user_inputs[0]:
              SCREAMING_SNAKE_CASE_													=  (
                  B_SYS + DEFAULT_SYSTEM_PROMPT + E_SYS + conversation.past_user_inputs[0]
              )
      elif not dialogue[0][1].startswith(_A) or E_SYS not in dialogue[0][1]:
          SCREAMING_SNAKE_CASE_													=  (dialogue[0][0], B_SYS + DEFAULT_SYSTEM_PROMPT + E_SYS + dialogue[0][1])

      dialog_tokens += sum(
          [
              [self.bos_token_id]
              + self.encode(
                  f"""{B_INST} {(prompt[1]).strip()} {E_INST} {(answer[1]).strip()} """  ,						add_special_tokens=_A)
              + [self.eos_token_id]
              for prompt, answer in zip(dialogue[::2]  ,						dialogue[1::2])
          ]  ,						[]  ,						)
      if not (dialogue[-1][0]):
          raise ValueError(f"""Last message must be from user, got {dialogue[-1]['role']}""")
      dialog_tokens += [self.bos_token_id] + self.encode(
          f"""{B_INST} {(dialogue[-1][1]).strip()} {E_INST}"""  ,						add_special_tokens=_A)
      return dialog_tokens





from dataclasses import dataclass
from typing import Any, Dict, Optional

import torch
import torch.nn.functional as F
from torch import nn

from ..configuration_utils import ConfigMixin, register_to_config
from ..models.embeddings import ImagePositionalEmbeddings
from ..utils import BaseOutput, deprecate
from .attention import BasicTransformerBlock
from .embeddings import PatchEmbed
from .modeling_utils import ModelMixin



@dataclass
class 					__snake_case     (			lowerCAmelCase__				):
  __lowerCAmelCase   :		torch.FloatTensor






class 					__snake_case     (			lowerCAmelCase__   ,       lowerCAmelCase__				):

  @register_to_config
  def __init__(    self  ,						_A = 16  ,						_A = 88  ,						_A = None  ,						_A = None  ,						_A = 1  ,						_A = 0.0  ,						_A = 32  ,						_A = None  ,						_A = False  ,						_A = None  ,						_A = None  ,						_A = None  ,						_A = "geglu"  ,						_A = None  ,						_A = False  ,						_A = False  ,						_A = False  ,						_A = "layer_norm"  ,						_A = True  ,						):
      super().__init__()
      SCREAMING_SNAKE_CASE_													=  use_linear_projection
      SCREAMING_SNAKE_CASE_													=  num_attention_heads
      SCREAMING_SNAKE_CASE_													=  attention_head_dim
      SCREAMING_SNAKE_CASE_													=  num_attention_heads * attention_head_dim

      # 1. Transformer2DModel can process both standard continuous images of shape `(batch_size, num_channels, width, height)` as well as quantized image embeddings of shape `(batch_size, num_image_vectors)`
      # Define whether input is continuous or discrete depending on configuration
      SCREAMING_SNAKE_CASE_													=  (in_channels is not None) and (patch_size is None)
      SCREAMING_SNAKE_CASE_													=  num_vector_embeds is not None
      SCREAMING_SNAKE_CASE_													=  in_channels is not None and patch_size is not None

      if norm_type == "layer_norm" and num_embeds_ada_norm is not None:
          SCREAMING_SNAKE_CASE_													=  (
              f"""The configuration file of this model: {self.__class__} is outdated. `norm_type` is either not set or"""
              ' incorrectly set to `\'layer_norm\'`.Make sure to set `norm_type` to `\'ada_norm\'` in the config.'
              ' Please make sure to update the config accordingly as leaving `norm_type` might led to incorrect'
              ' results in future versions. If you have downloaded this checkpoint from the Hugging Face Hub, it'
              ' would be very nice if you could open a Pull request for the `transformer/config.json` file'
          )
          deprecate('norm_type!=num_embeds_ada_norm'  ,						'1.0.0'  ,						_A  ,						standard_warn=_A)
          SCREAMING_SNAKE_CASE_													=  'ada_norm'

      if self.is_input_continuous and self.is_input_vectorized:
          raise ValueError(
              f"""Cannot define both `in_channels`: {in_channels} and `num_vector_embeds`: {num_vector_embeds}. Make"""
              ' sure that either `in_channels` or `num_vector_embeds` is None.')
      elif self.is_input_vectorized and self.is_input_patches:
          raise ValueError(
              f"""Cannot define both `num_vector_embeds`: {num_vector_embeds} and `patch_size`: {patch_size}. Make"""
              ' sure that either `num_vector_embeds` or `num_patches` is None.')
      elif not self.is_input_continuous and not self.is_input_vectorized and not self.is_input_patches:
          raise ValueError(
              f"""Has to define `in_channels`: {in_channels}, `num_vector_embeds`: {num_vector_embeds}, or patch_size:"""
              f""" {patch_size}. Make sure that `in_channels`, `num_vector_embeds` or `num_patches` is not None.""")

      # 2. Define input layers
      if self.is_input_continuous:
          SCREAMING_SNAKE_CASE_													=  in_channels

          SCREAMING_SNAKE_CASE_													=  torch.nn.GroupNorm(num_groups=_A  ,						num_channels=_A  ,						eps=1E-6  ,						affine=_A)
          if use_linear_projection:
              SCREAMING_SNAKE_CASE_													=  nn.Linear(_A  ,						_A)
          else:
              SCREAMING_SNAKE_CASE_													=  nn.Convad(_A  ,						_A  ,						kernel_size=1  ,						stride=1  ,						padding=0)
      elif self.is_input_vectorized:
          assert sample_size is not None, "Transformer2DModel over discrete input must provide sample_size"
          assert num_vector_embeds is not None, "Transformer2DModel over discrete input must provide num_embed"

          SCREAMING_SNAKE_CASE_													=  sample_size
          SCREAMING_SNAKE_CASE_													=  sample_size
          SCREAMING_SNAKE_CASE_													=  num_vector_embeds
          SCREAMING_SNAKE_CASE_													=  self.height * self.width

          SCREAMING_SNAKE_CASE_													=  ImagePositionalEmbeddings(
              num_embed=_A  ,						embed_dim=_A  ,						height=self.height  ,						width=self.width)
      elif self.is_input_patches:
          assert sample_size is not None, "Transformer2DModel over patched input must provide sample_size"

          SCREAMING_SNAKE_CASE_													=  sample_size
          SCREAMING_SNAKE_CASE_													=  sample_size

          SCREAMING_SNAKE_CASE_													=  patch_size
          SCREAMING_SNAKE_CASE_													=  PatchEmbed(
              height=_A  ,						width=_A  ,						patch_size=_A  ,						in_channels=_A  ,						embed_dim=_A  ,						)

      # 3. Define transformers blocks
      SCREAMING_SNAKE_CASE_													=  nn.ModuleList(
          [
              BasicTransformerBlock(
                  _A  ,						_A  ,						_A  ,						dropout=_A  ,						cross_attention_dim=_A  ,						activation_fn=_A  ,						num_embeds_ada_norm=_A  ,						attention_bias=_A  ,						only_cross_attention=_A  ,						upcast_attention=_A  ,						norm_type=_A  ,						norm_elementwise_affine=_A  ,						)
              for d in range(_A)
          ])

      # 4. Define output layers
      SCREAMING_SNAKE_CASE_													=  in_channels if out_channels is None else out_channels
      if self.is_input_continuous:
          # TODO: should use out_channels for continuous projections
          if use_linear_projection:
              SCREAMING_SNAKE_CASE_													=  nn.Linear(_A  ,						_A)
          else:
              SCREAMING_SNAKE_CASE_													=  nn.Convad(_A  ,						_A  ,						kernel_size=1  ,						stride=1  ,						padding=0)
      elif self.is_input_vectorized:
          SCREAMING_SNAKE_CASE_													=  nn.LayerNorm(_A)
          SCREAMING_SNAKE_CASE_													=  nn.Linear(_A  ,						self.num_vector_embeds - 1)
      elif self.is_input_patches:
          SCREAMING_SNAKE_CASE_													=  nn.LayerNorm(_A  ,						elementwise_affine=_A  ,						eps=1E-6)
          SCREAMING_SNAKE_CASE_													=  nn.Linear(_A  ,						2 * inner_dim)
          SCREAMING_SNAKE_CASE_													=  nn.Linear(_A  ,						patch_size * patch_size * self.out_channels)


  def   lowerCAmelCase__   (    self  ,						_A  ,						_A = None  ,						_A = None  ,						_A = None  ,						_A = None  ,						_A = None  ,						_A = None  ,						_A = True  ,						):
      # ensure attention_mask is a bias, and give it a singleton query_tokens dimension.
      #   we may have done this conversion already, e.g. if we came here via UNet2DConditionModel#forward.
      #   we can tell by counting dims; if ndim == 2: it's a mask rather than a bias.
      # expects mask of shape:
      #   [batch, key_tokens]
      # adds singleton query_tokens dimension:
      #   [batch,                    1, key_tokens]
      # this helps to broadcast it as a bias over attention scores, which will be in one of the following shapes:
      #   [batch,  heads, query_tokens, key_tokens] (e.g. torch sdp attn)
      #   [batch * heads, query_tokens, key_tokens] (e.g. xformers or classic attn)
      if attention_mask is not None and attention_mask.ndim == 2:
          # assume that mask is expressed as:
          #   (1 = keep,      0 = discard)
          # convert mask into a bias that can be added to attention scores:
          #       (keep = +0,     discard = -10000.0)
          SCREAMING_SNAKE_CASE_													=  (1 - attention_mask.to(hidden_states.dtype)) * -1_0_0_0_0.0
          SCREAMING_SNAKE_CASE_													=  attention_mask.unsqueeze(1)

      # convert encoder_attention_mask to a bias the same way we do for attention_mask
      if encoder_attention_mask is not None and encoder_attention_mask.ndim == 2:
          SCREAMING_SNAKE_CASE_													=  (1 - encoder_attention_mask.to(hidden_states.dtype)) * -1_0_0_0_0.0
          SCREAMING_SNAKE_CASE_													=  encoder_attention_mask.unsqueeze(1)

      # 1. Input
      if self.is_input_continuous:
          SCREAMING_SNAKE_CASE_							,	SCREAMING_SNAKE_CASE_							,	SCREAMING_SNAKE_CASE_							,	SCREAMING_SNAKE_CASE_													=  hidden_states.shape
          SCREAMING_SNAKE_CASE_													=  hidden_states

          SCREAMING_SNAKE_CASE_													=  self.norm(_A)
          if not self.use_linear_projection:
              SCREAMING_SNAKE_CASE_													=  self.proj_in(_A)
              SCREAMING_SNAKE_CASE_													=  hidden_states.shape[1]
              SCREAMING_SNAKE_CASE_													=  hidden_states.permute(0  ,						2  ,						3  ,						1).reshape(_A  ,						height * width  ,						_A)
          else:
              SCREAMING_SNAKE_CASE_													=  hidden_states.shape[1]
              SCREAMING_SNAKE_CASE_													=  hidden_states.permute(0  ,						2  ,						3  ,						1).reshape(_A  ,						height * width  ,						_A)
              SCREAMING_SNAKE_CASE_													=  self.proj_in(_A)
      elif self.is_input_vectorized:
          SCREAMING_SNAKE_CASE_													=  self.latent_image_embedding(_A)
      elif self.is_input_patches:
          SCREAMING_SNAKE_CASE_													=  self.pos_embed(_A)

      # 2. Blocks
      for block in self.transformer_blocks:
          SCREAMING_SNAKE_CASE_													=  block(
              _A  ,						attention_mask=_A  ,						encoder_hidden_states=_A  ,						encoder_attention_mask=_A  ,						timestep=_A  ,						cross_attention_kwargs=_A  ,						class_labels=_A  ,						)

      # 3. Output
      if self.is_input_continuous:
          if not self.use_linear_projection:
              SCREAMING_SNAKE_CASE_													=  hidden_states.reshape(_A  ,						_A  ,						_A  ,						_A).permute(0  ,						3  ,						1  ,						2).contiguous()
              SCREAMING_SNAKE_CASE_													=  self.proj_out(_A)
          else:
              SCREAMING_SNAKE_CASE_													=  self.proj_out(_A)
              SCREAMING_SNAKE_CASE_													=  hidden_states.reshape(_A  ,						_A  ,						_A  ,						_A).permute(0  ,						3  ,						1  ,						2).contiguous()

          SCREAMING_SNAKE_CASE_													=  hidden_states + residual
      elif self.is_input_vectorized:
          SCREAMING_SNAKE_CASE_													=  self.norm_out(_A)
          SCREAMING_SNAKE_CASE_													=  self.out(_A)
          # (batch, self.num_vector_embeds - 1, self.num_latent_pixels)
          SCREAMING_SNAKE_CASE_													=  logits.permute(0  ,						2  ,						1)

          # log(p(x_0))
          SCREAMING_SNAKE_CASE_													=  F.log_softmax(logits.double()  ,						dim=1).float()
      elif self.is_input_patches:
          # TODO: cleanup!
          SCREAMING_SNAKE_CASE_													=  self.transformer_blocks[0].norma.emb(
              _A  ,						_A  ,						hidden_dtype=hidden_states.dtype)
          SCREAMING_SNAKE_CASE_							,	SCREAMING_SNAKE_CASE_													=  self.proj_out_a(F.silu(_A)).chunk(2  ,						dim=1)
          SCREAMING_SNAKE_CASE_													=  self.norm_out(_A) * (1 + scale[:, None]) + shift[:, None]
          SCREAMING_SNAKE_CASE_													=  self.proj_out_a(_A)

          # unpatchify
          SCREAMING_SNAKE_CASE_													=  SCREAMING_SNAKE_CASE_													=  int(hidden_states.shape[1] ** 0.5)
          SCREAMING_SNAKE_CASE_													=  hidden_states.reshape(
              shape=(-1, height, width, self.patch_size, self.patch_size, self.out_channels))
          SCREAMING_SNAKE_CASE_													=  torch.einsum('nhwpqc->nchpwq'  ,						_A)
          SCREAMING_SNAKE_CASE_													=  hidden_states.reshape(
              shape=(-1, self.out_channels, height * self.patch_size, width * self.patch_size))

      if not return_dict:
          return (output,)

      return TransformeraDModelOutput(sample=_A)


