import argparse
import importlib
from pathlib import Path


# Test all the extensions added in the setup
__magic_name__								=[
    '''kernels/rwkv/wkv_cuda.cu''',
    '''kernels/rwkv/wkv_op.cpp''',
    '''kernels/deformable_detr/ms_deform_attn.h''',
    '''kernels/deformable_detr/cuda/ms_deform_im2col_cuda.cuh''',
    '''models/graphormer/algos_graphormer.pyx''',
]







def  __UpperCamelCase    (						A							):
     # Test all the extensions added in the setup
     for file in FILES_TO_FIND:
          if not (transformers_path / file).exists():
               return False
     return True


if __name__ == "__main__":
    __magic_name__								=argparse.ArgumentParser()
    parser.add_argument('''--check_lib''', action='''store_true''', help='''Whether to check the build or the actual package.''')
    __magic_name__								=parser.parse_args()
    if args.check_lib:
        __magic_name__								=importlib.import_module('''transformers''')
        __magic_name__								=Path(transformers_module.__file__).parent
    else:
        __magic_name__								=Path.cwd() / '''build/lib/transformers'''
    if not test_custom_files_are_present(transformers_path):
        raise ValueError('''The built release does not contain the custom files. Fix this before going further!''')




import argparse
import json
import os

import tensorstore as ts
import torch
from flax import serialization
from flax.traverse_util import flatten_dict, unflatten_dict
from tensorflow.io import gfile

from transformers.modeling_utils import dtype_byte_size
from transformers.models.switch_transformers.convert_switch_transformers_original_flax_checkpoint_to_pytorch import (
    rename_keys,
)
from transformers.utils import WEIGHTS_INDEX_NAME, WEIGHTS_NAME
from transformers.utils.hub import convert_file_size_to_int







def  __UpperCamelCase    (						A ,							A							):
     if flax_key_tuple[-1] == "kernel" and flax_tensor.ndim == 3:
          # expert layer
          UpperCamelCase__										=      flax_key_tuple[:-1] + ('''weight''',)
          UpperCamelCase__										=      torch.permute(A ,							(0, 2, 1)							)
     elif flax_key_tuple[-1] == "kernel" and ".".join(A							):
          # linear layer
          UpperCamelCase__										=      flax_key_tuple[:-1] + ('''weight''',)
          UpperCamelCase__										=      flax_tensor.T
     elif flax_key_tuple[-1] in ["scale", "embedding"]:
          UpperCamelCase__										=      flax_key_tuple[:-1] + ('''weight''',)

     return flax_key_tuple, flax_tensor







def  __UpperCamelCase    (						A ,							A ,							A							):
     if "metadata" in layer:
          UpperCamelCase__										=      layer.split('''metadata'''							)
          UpperCamelCase__										=      ''''''.join(split_layer[0]							)[:-1]
          UpperCamelCase__										=      [tuple(('''metadata''' + split_layer[1]).split('''/'''							)							)]
     elif "kvstore" in layer:
          UpperCamelCase__										=      layer.split('''kvstore'''							)
          UpperCamelCase__										=      ''''''.join(split_layer[0]							)[:-1]
          UpperCamelCase__										=      [tuple(('''kvstore''' + split_layer[1]).split('''/'''							)							)]

     else:
          UpperCamelCase__										=      layer.split('''/'''							)
          UpperCamelCase__										=      '''/'''.join(split_layer[:-1]							)
          UpperCamelCase__										=      (split_layer[-1],)

     if "kvstore/path" in layer:
          UpperCamelCase__										=      f"{switch_checkpoint_path}/{checkpoint_info[layer]}"
     elif "kvstore/driver" in layer:
          UpperCamelCase__										=      '''file'''
     else:
          UpperCamelCase__										=      checkpoint_info[layer]

     return curr_real_layer_name, split_layer, content







def  __UpperCamelCase    (						A ,							A							):
     UpperCamelCase__										=      rename_keys(A							)
     UpperCamelCase__										=      {}
     for k, v in current_block.items():
          UpperCamelCase__										=      v
     UpperCamelCase__										=      new_current_block
     torch.save(A ,							A							)







def  __UpperCamelCase    (						A ,							A ,							A ,							A ,							A = WEIGHTS_NAME							):
     UpperCamelCase__										=      convert_file_size_to_int(A							)
     UpperCamelCase__										=      []
     UpperCamelCase__										=      {}
     UpperCamelCase__										=      0
     UpperCamelCase__										=      0

     os.makedirs(A ,							exist_ok=A							)
     with gfile.GFile(switch_checkpoint_path + '''/checkpoint''' ,							'''rb'''							) as fp:
          UpperCamelCase__										=      serialization.msgpack_restore(fp.read()							)['''optimizer''']['''target''']
          UpperCamelCase__										=      flatten_dict(A ,							sep='''/'''							)

     UpperCamelCase__										=      {}
     for layer in checkpoint_info.keys():
          UpperCamelCase__						,       UpperCamelCase__						,       UpperCamelCase__										=      get_key_and_tensorstore_dict(
              A ,							A ,							A							)
          if curr_real_layer_name in all_layers:
               UpperCamelCase__										=      content
          else:
               UpperCamelCase__										=      {split_layer[-1]: content}

     for key in all_layers.keys():
          # open tensorstore file
          UpperCamelCase__										=      ts.open(unflatten_dict(all_layers[key]							)							).result().read().result()
          UpperCamelCase__										=      torch.tensor(A							)
          UpperCamelCase__										=      raw_weights.numel() * dtype_byte_size(raw_weights.dtype							)

          # use the renaming pattern from the small conversion scripts
          UpperCamelCase__						,       UpperCamelCase__										=      rename_base_flax_keys(tuple(key.split('''/'''							)							) ,							A							)
          UpperCamelCase__										=      '''/'''.join(A							)

          # If this weight is going to tip up over the maximal size, we split.
          if current_block_size + weight_size > max_shard_size:
               UpperCamelCase__										=      os.path.join(
                   A ,							weights_name.replace('''.bin''' ,							f"-{len(A							)+1:05d}-of-???.bin"							)							)
               rename_and_save_block(A ,							A							)
               sharded_state_dicts.append(current_block.keys()							)
               del current_block
               UpperCamelCase__										=      {}
               UpperCamelCase__										=      0

          UpperCamelCase__										=      raw_weights.to(getattr(A ,							A							)							)
          current_block_size += weight_size
          total_size += weight_size

     # Add the last block
     UpperCamelCase__										=      os.path.join(A ,							weights_name.replace('''.bin''' ,							f"-{len(A							)+1:05d}-of-???.bin"							)							)
     rename_and_save_block(A ,							A							)
     sharded_state_dicts.append(current_block.keys()							)

     # If we only have one shard, we return it
     if len(A							) == 1:
          return {weights_name: sharded_state_dicts[0]}, None

     # Otherwise, let's build the index
     UpperCamelCase__										=      {}
     UpperCamelCase__										=      {}
     for idx, shard in enumerate(A							):
          UpperCamelCase__										=      weights_name.replace(
              '''.bin''' ,							f"-{idx+1:05d}-of-{len(A							):05d}.bin"							)  # len(sharded_state_dicts):05d}
          UpperCamelCase__										=      os.path.join(A ,							weights_name.replace('''.bin''' ,							f"-{idx+1:05d}-of-???.bin"							)							)
          os.rename(A ,							os.path.join(A ,							A							)							)
          UpperCamelCase__										=      shard
          for key in shard:
               UpperCamelCase__										=      shard_file

    # Add the metadata
     UpperCamelCase__										=      {'''total_size''': total_size}
     UpperCamelCase__										=      {'''metadata''': metadata, '''weight_map''': weight_map}

     with open(os.path.join(A ,							A							) ,							'''w''' ,							encoding='''utf-8'''							) as f:
          UpperCamelCase__										=      json.dumps(A ,							indent=2 ,							sort_keys=A							) + '''\n'''
          f.write(A							)

     return metadata, index


if __name__ == "__main__":
     __magic_name__								=argparse.ArgumentParser()
     # Required parameters
     parser.add_argument(
         '''--switch_t5x_checkpoint_path''',
         default='''/mnt/disks/disk_switch/original_checkpoints/switch-xxl-128/checkpoint_634600''',
         type=str,
         required=False,
         help='''Path to a directory containing a folder per layer. Follows the original Google format.''',
     )
     parser.add_argument('''--max_shard_size''', default='''10GB''', required=False, help='''Max shard size''')
     parser.add_argument('''--dtype''', default='''bfloat16''', type=str, required=False, help='''dtype of the saved model''')
     parser.add_argument(
         '''--pytorch_dump_folder_path''',
         default='''/mnt/disks/disk_switch/original_checkpoints/switch-xxl-128-converted''',
         type=str,
         required=False,
         help='''Path to the output pytorch model.''',
     )
     __magic_name__								=parser.parse_args()
     shard_on_the_fly(
         args.switch_tax_checkpoint_path,
         args.pytorch_dump_folder_path,
         args.max_shard_size,
         args.dtype,
     )







def  __UpperCamelCase    (						):
     from transformers import SwitchTransformersConfig, SwitchTransformersForConditionalGeneration, TaTokenizer

     UpperCamelCase__										=      SwitchTransformersConfig.from_pretrained('''google/switch-base-8'''							)
     config.save_pretrained('''/home/arthur_huggingface_co/transformers/switch_converted'''							)
     UpperCamelCase__										=      SwitchTransformersForConditionalGeneration.from_pretrained(
         '''/home/arthur_huggingface_co/transformers/switch_converted''' ,							device_map='''auto'''							)

     UpperCamelCase__										=      TaTokenizer.from_pretrained('''t5-small'''							)
     UpperCamelCase__										=      '''A <extra_id_0> walks into a bar a orders a <extra_id_1> with <extra_id_2> pinch of <extra_id_3>.'''

     UpperCamelCase__										=      tokenizer(A ,							return_tensors='''pt'''							).input_ids
     UpperCamelCase__										=      model.generate(A ,							decoder_start_token_id=0							)
     print(tokenizer.decode(out[0]							)							)



