code: 
  
  
  
  # Copyright 2021 The HuggingFace Team. All rights reserved.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import json
  import os
  from dataclasses import dataclass
  from enum import Enum
  from typing import List, Optional, Union
  
  import yaml
  
  from ...utils import ComputeEnvironment, DistributedType, SageMakerDistributedType
  from ...utils.constants import SAGEMAKER_PYTHON_VERSION, SAGEMAKER_PYTORCH_VERSION, SAGEMAKER_TRANSFORMERS_VERSION
  
  
  __lowerCamelCase								=					os.path.expanduser(
      os.getenv("""HF_HOME""", os.path.join(os.getenv("""XDG_CACHE_HOME""", """~/.cache"""), """huggingface"""))
  )
  __lowerCamelCase								=					os.path.join(hf_cache_home, """accelerate""")
  __lowerCamelCase								=					os.path.join(cache_dir, """default_config.yaml""")
  __lowerCamelCase								=					os.path.join(cache_dir, """default_config.yaml""")
  
  # For backward compatibility: the default config is the json one if it's the only existing file.
  if os.path.isfile(default_yaml_config_file) or not os.path.isfile(default_json_config_file):
      __lowerCamelCase								=					default_yaml_config_file
  else:
      __lowerCamelCase								=					default_json_config_file
  
  
  
  
  def     UpperCAmelCase__ (							__snake_case							)   -> Any:
    if config_file is not None:
      if not os.path.isfile(__snake_case							):
        raise FileNotFoundError(
            F'''The passed configuration file `{config_file}` does not exist. '''
            '''Please pass an existing file to `accelerate launch`, or use the the default one '''
            '''created through `accelerate config` and run `accelerate launch` '''
            '''without the `--config_file` argument.'''							)
    else:
      _A           =    default_config_file
    with open(__snake_case						,				'''r'''						,				encoding='''utf-8'''							) as f:
      if config_file.endswith('''.json'''							):
        if (
            json.load(__snake_case							).get('''compute_environment'''						,				ComputeEnvironment.LOCAL_MACHINE							)
            == ComputeEnvironment.LOCAL_MACHINE
        ):
          _A           =    ClusterConfig
        else:
          _A           =    SageMakerConfig
        return config_class.from_json_file(json_file=__snake_case							)
      else:
        if (
            yaml.safe_load(__snake_case							).get('''compute_environment'''						,				ComputeEnvironment.LOCAL_MACHINE							)
            == ComputeEnvironment.LOCAL_MACHINE
        ):
          _A           =    ClusterConfig
        else:
          _A           =    SageMakerConfig
        return config_class.from_yaml_file(yaml_file=__snake_case							)
  
  
  
  @dataclass
  class 		_snake_case      :
  
  
  
  
  
   """simple docstring"""
  
  
  
   lowerCamelCase_          =			42
   lowerCamelCase_          =			42
   lowerCamelCase_          =			42
   lowerCamelCase_          =			42
   def lowercase_		(						self					)	->							Optional[int]:
  
  
  
  
     """simple docstring"""
  
  
  
  
  
  
  
     _A           =    self.__dict__
     # For serialization, it's best to convert Enums to strings (or their underlying value type).
     for key, value in result.items():
       if isinstance(a	,    a					):
         _A           =    value.value
       if isinstance(a	,    a					) and not bool(a					):
         _A           =    None
     _A           =    {k: v for k, v in result.items() if v is not None}
     return result
   @classmethod
   def lowercase_		(						cls	,    a=None					)	->							Union[str, Any]:
  
  
  
  
     """simple docstring"""
  
  
  
  
  
  
  
     _A           =    default_json_config_file if json_file is None else json_file
     with open(a	,    '''r'''	,    encoding='''utf-8'''					) as f:
       _A           =    json.load(a					)
     if "compute_environment" not in config_dict:
       _A           =    ComputeEnvironment.LOCAL_MACHINE
     if "mixed_precision" not in config_dict:
       _A           =    "fp16" if ("fp16" in config_dict and config_dict["fp16"]) else None
     if "fp16" in config_dict:  # Convert the config to the new format.
       del config_dict["fp16"]
     if "dynamo_backend" in config_dict:  # Convert the config to the new format.
       _A           =    config_dict.pop('''dynamo_backend'''					)
       _A           =    {} if dynamo_backend == "NO" else {"dynamo_backend": dynamo_backend}
     if "use_cpu" not in config_dict:
       _A           =    False
     return cls(**a					)
   def lowercase_		(						self	,    a					)	->							int:
  
  
  
  
     """simple docstring"""
  
  
  
  
  
  
  
     with open(a	,    '''w'''	,    encoding='''utf-8'''					) as f:
       _A           =    json.dumps(self.to_dict()	,    indent=2	,    sort_keys=a					) + "\n"
       f.write(a					)
   @classmethod
   def lowercase_		(						cls	,    a=None					)	->							List[Any]:
  
  
  
  
     """simple docstring"""
  
  
  
  
  
  
  
     _A           =    default_yaml_config_file if yaml_file is None else yaml_file
     with open(a	,    '''r'''	,    encoding='''utf-8'''					) as f:
       _A           =    yaml.safe_load(a					)
     if "compute_environment" not in config_dict:
       _A           =    ComputeEnvironment.LOCAL_MACHINE
  
     if "mixed_precision" not in config_dict:
       _A           =    "fp16" if ("fp16" in config_dict and config_dict["fp16"]) else None
     if isinstance(config_dict['''mixed_precision''']	,    a					) and not config_dict["mixed_precision"]:
       _A           =    "no"
     if "fp16" in config_dict:  # Convert the config to the new format.
       del config_dict["fp16"]
     if "dynamo_backend" in config_dict:  # Convert the config to the new format.
       _A           =    config_dict.pop('''dynamo_backend'''					)
       _A           =    {} if dynamo_backend == "NO" else {"dynamo_backend": dynamo_backend}
     if "use_cpu" not in config_dict:
       _A           =    False
     return cls(**a					)
   def lowercase_		(						self	,    a					)	->							List[str]:
  
  
  
  
     """simple docstring"""
  
  
  
  
  
  
  
     with open(a	,    '''w'''	,    encoding='''utf-8'''					) as f:
       yaml.safe_dump(self.to_dict()	,    a					)
  
  
  
   def lowercase_		(						self					)	->							Union[str, Any]:
  
  
  
  
     """simple docstring"""
  
  
  
  
  
  
  
     if isinstance(self.compute_environment	,    a					):
       _A           =    ComputeEnvironment(self.compute_environment					)
     if isinstance(self.distributed_type	,    a					):
       if self.compute_environment == ComputeEnvironment.AMAZON_SAGEMAKER:
         _A           =    SageMakerDistributedType(self.distributed_type					)
       else:
         _A           =    DistributedType(self.distributed_type					)
     if self.dynamo_config is None:
       _A           =    {}
  
  
  
  
  
  
  
  @dataclass
  class 		_snake_case      (			lowerCamelCase				):
  
  
  
  
  
   """simple docstring"""
  
  
  
   lowerCamelCase_          =			42
   lowerCamelCase_          =			0
   lowerCamelCase_          =			1
   lowerCamelCase_          =			None
   lowerCamelCase_          =			None
   lowerCamelCase_          =			None
   lowerCamelCase_          =			"static"
   lowerCamelCase_          =			False
   lowerCamelCase_          =			"main"
  
   # args for deepspeed_plugin
   lowerCamelCase_          =			None
   # args for fsdp
   lowerCamelCase_          =			None
   # args for megatron_lm
   lowerCamelCase_          =			None
   # args for ipex
   lowerCamelCase_          =			None
   # args for TPU
   lowerCamelCase_          =			False
  
   # args for TPU pods
   lowerCamelCase_          =			None
   lowerCamelCase_          =			None
   lowerCamelCase_          =			False
   lowerCamelCase_          =			False
   lowerCamelCase_          =			None
   lowerCamelCase_          =			None
   lowerCamelCase_          =			None
   lowerCamelCase_          =			None
  
   # args for dynamo
   lowerCamelCase_          =			None
   def lowercase_		(						self					)	->							Tuple:
  
  
  
  
     """simple docstring"""
  
  
  
  
  
  
  
     if self.deepspeed_config is None:
       _A           =    {}
     if self.fsdp_config is None:
       _A           =    {}
     if self.megatron_lm_config is None:
       _A           =    {}
     if self.ipex_config is None:
       _A           =    {}
     return super().__post_init__()
  
  
  
  
  
  
  
  @dataclass
  class 		_snake_case      (			lowerCamelCase				):
  
  
  
  
  
   """simple docstring"""
  
  
  
   lowerCamelCase_          =			42
   lowerCamelCase_          =			42
   lowerCamelCase_          =			None
   lowerCamelCase_          =			None
   lowerCamelCase_          =			"us-east-1"
   lowerCamelCase_          =			1
   lowerCamelCase_          =			"all"
   lowerCamelCase_          =			f"accelerate-sagemaker-{num_machines}"
   lowerCamelCase_          =			SAGEMAKER_PYTORCH_VERSION
   lowerCamelCase_          =			SAGEMAKER_TRANSFORMERS_VERSION
   lowerCamelCase_          =			SAGEMAKER_PYTHON_VERSION
   lowerCamelCase_          =			None
   lowerCamelCase_          =			None
   lowerCamelCase_          =			None
   lowerCamelCase_          =			None
style_context: 
  
  
  
  import platform
  from argparse import ArgumentParser
  
  import huggingface_hub
  import pandas
  import pyarrow
  
  from datasets import __version__ as version
  from datasets.commands import BaseDatasetsCLICommand
  
  
  
  
  def     UpperCAmelCase__ (							__snake_case							)   -> Optional[Any]:
    return EnvironmentCommand()
  
  
  
  class 		_snake_case      (			lowerCamelCase				):
  
  
  
  
  
   """simple docstring"""
  
  
  
   @staticmethod
   def lowercase_		(						a					)	->							Dict:
  
  
  
  
     """simple docstring"""
  
  
  
  
  
  
  
     _A           =    parser.add_parser('''env'''	,    help='''Print relevant system environment info.'''					)
     download_parser.set_defaults(func=a					)
   def lowercase_		(						self					)	->							Optional[int]:
  
  
  
  
     """simple docstring"""
  
  
  
  
  
  
  
     _A           =    {
         '''`datasets` version''': version,
         '''Platform''': platform.platform(),
         '''Python version''': platform.python_version(),
         '''Huggingface_hub version''': huggingface_hub.__version__,
         '''PyArrow version''': pyarrow.__version__,
         '''Pandas version''': pandas.__version__,
     }
  
     print('''\nCopy-and-paste the text below in your GitHub issue.\n'''					)
     print(self.format_dict(a					)					)
  
     return info
  
  
  
   @staticmethod
   def lowercase_		(						a					)	->							Optional[int]:
  
  
  
  
     """simple docstring"""
  
  
  
  
  
  
  
     return "\n".join([f'''- {prop}: {val}''' for prop, val in d.items()]					) + "\n"