

import os
import shutil
from pathlib import Path
from typing import Optional, Union

import numpy as np
from huggingface_hub import hf_hub_download

from ..utils import ONNX_EXTERNAL_WEIGHTS_NAME, ONNX_WEIGHTS_NAME, is_onnx_available, logging


if is_onnx_available():
   import onnxruntime as ort


_lowerCamelCase      :					int					    =      logging.get_logger(__name__)

_lowerCamelCase      :					str					    =      {
    '''tensor(bool)''': np.bool_,
    '''tensor(int8)''': np.inta,
    '''tensor(uint8)''': np.uinta,
    '''tensor(int16)''': np.intaa,
    '''tensor(uint16)''': np.uintaa,
    '''tensor(int32)''': np.intaa,
    '''tensor(uint32)''': np.uintaa,
    '''tensor(int64)''': np.intaa,
    '''tensor(uint64)''': np.uintaa,
    '''tensor(float16)''': np.floataa,
    '''tensor(float)''': np.floataa,
    '''tensor(double)''': np.floataa,
}





class        lowerCAmelCase__  :



       '''simple docstring'''







       def __init__(							self ,   lowercase__=None ,   **lowercase__     ):







             '''simple docstring'''



             logger.info('''`diffusers.OnnxRuntimeModel` is experimental and might change in the future.'''     )
             __A    =model
             __A    =kwargs.get('''model_save_dir''' ,   lowercase__     )
             __A    =kwargs.get('''latest_model_name''' ,   lowercase__     )

       def __call__(							self ,   **lowercase__     ):







             '''simple docstring'''



             __A    ={k: np.array(lowercase__     ) for k, v in kwargs.items()}
             return self.model.run(lowercase__ ,   lowercase__     )

       @staticmethod
       def     __UpperCamelCase     (							lowercase__ ,   lowercase__=None ,   lowercase__=None     ):







             '''simple docstring'''



             if provider is None:
                   logger.info('''No onnxruntime provider specified, using CPUExecutionProvider'''     )
                   __A    ='''CPUExecutionProvider'''

             return ort.InferenceSession(lowercase__ ,   providers=[provider] ,   sess_options=lowercase__     )

       def     __UpperCamelCase     (							self ,   lowercase__ ,   lowercase__ = None ,   **lowercase__     ):







             '''simple docstring'''



             __A    =file_name if file_name is not None else ONNX_WEIGHTS_NAME

             __A    =self.model_save_dir.joinpath(self.latest_model_name     )
             __A    =Path(lowercase__     ).joinpath(lowercase__     )
             try:
                   shutil.copyfile(lowercase__ ,   lowercase__     )
             except shutil.SameFileError:
                   pass

             # copy external weights (for models >2GB)
             __A    =self.model_save_dir.joinpath(lowercase__     )
             if src_path.exists():
                   __A    =Path(lowercase__     ).joinpath(lowercase__     )
                   try:
                         shutil.copyfile(lowercase__ ,   lowercase__     )
                   except shutil.SameFileError:
                         pass

       def     __UpperCamelCase     (							self ,   lowercase__ ,   **lowercase__ ,   ):







             '''simple docstring'''



             if os.path.isfile(lowercase__     ):
                   logger.error(f'''Provided path ({save_directory}) should be a directory, not a file'''     )
                   return

             os.makedirs(lowercase__ ,   exist_ok=lowercase__     )

             # saving model weights/files
             self._save_pretrained(lowercase__ ,   **lowercase__     )

       @classmethod
       def     __UpperCamelCase     (							cls ,   lowercase__ ,   lowercase__ = None ,   lowercase__ = None ,   lowercase__ = False ,   lowercase__ = None ,   lowercase__ = None ,   lowercase__ = None ,   lowercase__ = None ,   **lowercase__ ,   ):







             '''simple docstring'''



             __A    =file_name if file_name is not None else ONNX_WEIGHTS_NAME
             # load model from local directory
             if os.path.isdir(lowercase__     ):
                   __A    =OnnxRuntimeModel.load_model(
                       os.path.join(lowercase__ ,   lowercase__     ) ,   provider=lowercase__ ,   sess_options=lowercase__     )
                   __A    =Path(lowercase__     )
             # load model from hub
             else:
                   # download model
                   __A    =hf_hub_download(
                       repo_id=lowercase__ ,   filename=lowercase__ ,   use_auth_token=lowercase__ ,   revision=lowercase__ ,   cache_dir=lowercase__ ,   force_download=lowercase__ ,   )
                   __A    =Path(lowercase__     ).parent
                   __A    =Path(lowercase__     ).name
                   __A    =OnnxRuntimeModel.load_model(lowercase__ ,   provider=lowercase__ ,   sess_options=lowercase__     )
             return cls(model=lowercase__ ,   **lowercase__     )


       @classmethod
       def     __UpperCamelCase     (							cls ,   lowercase__ ,   lowercase__ = True ,   lowercase__ = None ,   lowercase__ = None ,   **lowercase__ ,   ):







             '''simple docstring'''



             __A    =None
             if len(str(lowercase__     ).split('''@'''     )     ) == 2:
                   __A    ,		__A    =model_id.split('''@'''     )

             return cls._from_pretrained(
                 model_id=lowercase__ ,   revision=lowercase__ ,   cache_dir=lowercase__ ,   force_download=lowercase__ ,   use_auth_token=lowercase__ ,   **lowercase__ ,   )





import argparse
import collections

import torch
from flax import traverse_util
from tax import checkpoints

from transformers import TaConfig, TaEncoderModel, TaForConditionalGeneration
from transformers.utils import logging


logging.set_verbosity_info()





def      A__					(			__A  :						List[str]     ,				__A  :						Optional[Any]     ,				__A  :						Union[str, Any]     ,				__A  :						int="attention"			)					->str:
      __A    =params[F'''{prefix}/layers_{i}/{layer_name}/key/kernel''']
      __A    =params[F'''{prefix}/layers_{i}/{layer_name}/out/kernel''']
      __A    =params[F'''{prefix}/layers_{i}/{layer_name}/query/kernel''']
      __A    =params[F'''{prefix}/layers_{i}/{layer_name}/value/kernel''']
      return k, o, q, v





def      A__					(			__A  :						Optional[int]     ,				__A  :						List[str]     ,				__A  :						Any     ,				__A  :						Tuple=False			)					->Any:
      if split_mlp_wi:
            __A    =params[F'''{prefix}/layers_{i}/mlp/wi_0/kernel''']
            __A    =params[F'''{prefix}/layers_{i}/mlp/wi_1/kernel''']
            __A    =(wi_a, wi_a)
      else:
            __A    =params[F'''{prefix}/layers_{i}/mlp/wi/kernel''']

      __A    =params[F'''{prefix}/layers_{i}/mlp/wo/kernel''']
      return wi, wo





def      A__					(			__A  :						int     ,				__A  :						Any     ,				__A  :						Any     ,				__A  :						Optional[Any]			)					->str:
      return params[F'''{prefix}/layers_{i}/{layer_name}/scale''']





def      A__					(			__A  :						dict     ,				*, __A  :						int     ,				__A  :						bool			)					->Optional[Any]:
      __A    =traverse_util.flatten_dict(variables['''target''']			)
      __A    ={'''/'''.join(__A			): v for k, v in old.items()}

      # v1.1 models have a gated GeLU with wi_0 and wi_1 instead of wi
      __A    ='''encoder/layers_0/mlp/wi_0/kernel''' in old
      print('''Split MLP:'''     ,				__A			)

      __A    =collections.OrderedDict()

      # Shared embeddings.
      __A    =old['''token_embedder/embedding''']

      # Encoder.
      for i in range(__A			):
            # Block i, layer 0 (Self Attention).
            __A    =tax_layer_norm_lookup(__A     ,				__A     ,				'''encoder'''     ,				'''pre_attention_layer_norm'''			)
            __A    ,		__A    ,		__A    ,		__A    =tax_attention_lookup(__A     ,				__A     ,				'''encoder'''     ,				'''attention'''			)
            __A    =layer_norm
            __A    =k.T
            __A    =o.T
            __A    =q.T
            __A    =v.T

            # Block i, layer 1 (MLP).
            __A    =tax_layer_norm_lookup(__A     ,				__A     ,				'''encoder'''     ,				'''pre_mlp_layer_norm'''			)
            __A    ,		__A    =tax_mlp_lookup(__A     ,				__A     ,				'''encoder'''     ,				__A			)
            __A    =layer_norm
            if split_mlp_wi:
                  __A    =wi[0].T
                  __A    =wi[1].T
            else:
                  __A    =wi.T
            __A    =wo.T

      __A    =old[
          '''encoder/relpos_bias/rel_embedding'''
      ].T
      __A    =old['''encoder/encoder_norm/scale''']

      if not is_encoder_only:
            # Decoder.
            for i in range(__A			):
                  # Block i, layer 0 (Self Attention).
                  __A    =tax_layer_norm_lookup(__A     ,				__A     ,				'''decoder'''     ,				'''pre_self_attention_layer_norm'''			)
                  __A    ,		__A    ,		__A    ,		__A    =tax_attention_lookup(__A     ,				__A     ,				'''decoder'''     ,				'''self_attention'''			)
                  __A    =layer_norm
                  __A    =k.T
                  __A    =o.T
                  __A    =q.T
                  __A    =v.T

                  # Block i, layer 1 (Cross Attention).
                  __A    =tax_layer_norm_lookup(__A     ,				__A     ,				'''decoder'''     ,				'''pre_cross_attention_layer_norm'''			)
                  __A    ,		__A    ,		__A    ,		__A    =tax_attention_lookup(__A     ,				__A     ,				'''decoder'''     ,				'''encoder_decoder_attention'''			)
                  __A    =layer_norm
                  __A    =k.T
                  __A    =o.T
                  __A    =q.T
                  __A    =v.T

                  # Block i, layer 2 (MLP).
                  __A    =tax_layer_norm_lookup(__A     ,				__A     ,				'''decoder'''     ,				'''pre_mlp_layer_norm'''			)
                  __A    ,		__A    =tax_mlp_lookup(__A     ,				__A     ,				'''decoder'''     ,				__A			)
                  __A    =layer_norm
                  if split_mlp_wi:
                        __A    =wi[0].T
                        __A    =wi[1].T
                  else:
                        __A    =wi.T
                  __A    =wo.T

            __A    =old['''decoder/decoder_norm/scale''']
            __A    =old[
                '''decoder/relpos_bias/rel_embedding'''
            ].T

            # LM Head (only in v1.1 checkpoints, in v1.0 embeddings are used instead)
            if "decoder/logits_dense/kernel" in old:
                  __A    =old['''decoder/logits_dense/kernel'''].T

      return new





def      A__					(			__A  :						Union[str, Any]     ,				__A  :						bool			)					->Any:
      __A    =collections.OrderedDict([(k, torch.from_numpy(v.copy()			)) for (k, v) in converted_params.items()]			)

      # Add what is missing.
      if "encoder.embed_tokens.weight" not in state_dict:
            __A    =state_dict['''shared.weight''']

      if not is_encoder_only:
            if "decoder.embed_tokens.weight" not in state_dict:
                  __A    =state_dict['''shared.weight''']

            if "lm_head.weight" not in state_dict:  # For old 1.0 models.
                  print('''Using shared word embeddings as lm_head.'''			)
                  __A    =state_dict['''shared.weight''']

      return state_dict





def      A__					(			__A  :						str     ,				__A  :						Optional[int]     ,				__A  :						int     ,				__A  :						Optional[Any]			)					->Tuple:
      __A    =checkpoints.load_tax_checkpoint(__A			)
      __A    =convert_tax_to_pytorch(__A     ,				num_layers=config.num_layers     ,				is_encoder_only=__A			)
      __A    =make_state_dict(__A     ,				__A			)
      model.load_state_dict(__A     ,				strict=__A			)





def      A__					(			__A  :						List[str]     ,				__A  :						str     ,				__A  :						str     ,				__A  :						bool = False			)					->List[str]:
      __A    =TaConfig.from_json_file(__A			)
      print(F'''Building PyTorch model from configuration: {config}'''			)
      # Non-v1.1 checkpoints could also use T5Model, but this works for all.
      # The v1.0 checkpoints will simply have an LM head that is the word embeddings.
      if is_encoder_only:
            __A    =TaEncoderModel(__A			)
      else:
            __A    =TaForConditionalGeneration(__A			)

      # Load weights from tf checkpoint
      load_tax_weights_in_ta(__A     ,				__A     ,				__A     ,				__A			)

      # Save pytorch-model
      print(F'''Save PyTorch model to {pytorch_dump_path}'''			)
      model.save_pretrained(__A			)

      # Verify that we can load the checkpoint.
      model.from_pretrained(__A			)
      print('''Done'''			)


if __name__ == "__main__":
   _lowerCamelCase      :					List[str]					    =      argparse.ArgumentParser(description='''Converts a native T5X checkpoint into a PyTorch checkpoint.''')
   # Required parameters
   parser.add_argument(
       '''--t5x_checkpoint_path''', default=None, type=str, required=True, help='''Path to the T5X checkpoint.'''
   )
   parser.add_argument(
       '''--config_file''',
       default=None,
       type=str,
       required=True,
       help='''The config json file corresponding to the pre-trained T5 model.\nThis specifies the model architecture.''',
   )
   parser.add_argument(
       '''--pytorch_dump_path''', default=None, type=str, required=True, help='''Path to the output PyTorch model.'''
   )
   parser.add_argument(
       '''--is_encoder_only''', action='''store_true''', help='''Check if the model is encoder-decoder model''', default=False
   )
   _lowerCamelCase      :					int					    =      parser.parse_args()
   convert_tax_checkpoint_to_pytorch(
       args.tax_checkpoint_path, args.config_file, args.pytorch_dump_path, args.is_encoder_only
   )


