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
  
  
  SCREAMING_SNAKE_CASE : Dict          =    os.path.expanduser(
      os.getenv("HF_HOME", os.path.join(os.getenv("XDG_CACHE_HOME", "~/.cache"), "huggingface"))
  )
  SCREAMING_SNAKE_CASE : Dict          =    os.path.join(hf_cache_home, "accelerate")
  SCREAMING_SNAKE_CASE : Tuple          =    os.path.join(cache_dir, "default_config.yaml")
  SCREAMING_SNAKE_CASE : str          =    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):
  	SCREAMING_SNAKE_CASE : Dict          =    default_yaml_config_file
  else:
  	SCREAMING_SNAKE_CASE : Any          =    default_json_config_file
  
  
  
  
  
  def 						_lowerCamelCase		(							SCREAMING_SNAKE_CASE_				: Any      ):
  
  
  
  
  
  
  							"""simple docstring"""
  
  
  
  							if config_file is not None:
  														if not os.path.isfile(SCREAMING_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_       :   str			=	default_config_file
  							with open(SCREAMING_SNAKE_CASE_	,	"""r"""	,	encoding="""utf-8"""      ) as f:
  														if config_file.endswith(""".json"""      ):
  																					if (
  																					    json.load(SCREAMING_SNAKE_CASE_      ).get("""compute_environment"""	,	ComputeEnvironment.LOCAL_MACHINE      )
  																					    == ComputeEnvironment.LOCAL_MACHINE
  																					):
  																												a_       :   Union[str, Any]			=	ClusterConfig
  																					else:
  																												a_       :   Optional[Any]			=	SageMakerConfig
  																					return config_class.from_json_file(json_file=SCREAMING_SNAKE_CASE_      )
  														else:
  																					if (
  																					    yaml.safe_load(SCREAMING_SNAKE_CASE_      ).get("""compute_environment"""	,	ComputeEnvironment.LOCAL_MACHINE      )
  																					    == ComputeEnvironment.LOCAL_MACHINE
  																					):
  																												a_       :   Optional[Any]			=	ClusterConfig
  																					else:
  																												a_       :   Any			=	SageMakerConfig
  																					return config_class.from_yaml_file(yaml_file=SCREAMING_SNAKE_CASE_      )
  
  
  
  
  
  @dataclass
  class 					snake_case__  :
  	UpperCAmelCase   :							ComputeEnvironment
  	UpperCAmelCase   :							Union[DistributedType, SageMakerDistributedType]
  	UpperCAmelCase   :							str
  	UpperCAmelCase   :							bool
  
  
  
  
  
  	def     A				(  self							)		->			Union[str, Any]:
  								"""simple docstring"""
  
  
  
  
  
  
  								a_       :   List[Any]			=	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(UpperCamelCase_				,    UpperCamelCase_							):
  																						a_       :   Optional[Any]			=	value.value
  															if isinstance(UpperCamelCase_				,    UpperCamelCase_							) and not bool(UpperCamelCase_							):
  																						a_       :   List[Any]			=	None
  								a_       :   List[Any]			=	{k: v for k, v in result.items() if v is not None}
  								return result
  
  
  
  
  
  	@classmethod
  	def     A				(  cls				,    UpperCamelCase_=None							)		->			str:
  								"""simple docstring"""
  
  
  
  
  
  
  								a_       :   List[str]			=	default_json_config_file if json_file is None else json_file
  								with open(UpperCamelCase_				,    """r"""				,    encoding="""utf-8"""							) as f:
  															a_       :   Dict			=	json.load(UpperCamelCase_							)
  								if "compute_environment" not in config_dict:
  															a_       :   Optional[Any]			=	ComputeEnvironment.LOCAL_MACHINE
  								if "mixed_precision" not in config_dict:
  															a_       :   Dict			=	"""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_       :   int			=	config_dict.pop("""dynamo_backend"""							)
  															a_       :   List[Any]			=	{} if dynamo_backend == """NO""" else {"""dynamo_backend""": dynamo_backend}
  								if "use_cpu" not in config_dict:
  															a_       :   Dict			=	False
  								return cls(**UpperCamelCase_							)
  
  
  
  
  
  	def     A				(  self				,    UpperCamelCase_							)		->			Tuple:
  								"""simple docstring"""
  
  
  
  
  
  
  								with open(UpperCamelCase_				,    """w"""				,    encoding="""utf-8"""							) as f:
  															a_       :   str			=	json.dumps(self.to_dict()				,    indent=2				,    sort_keys=UpperCamelCase_							) + """\n"""
  															f.write(UpperCamelCase_							)
  
  
  
  
  
  	@classmethod
  	def     A				(  cls				,    UpperCamelCase_=None							)		->			Dict:
  								"""simple docstring"""
  
  
  
  
  
  
  								a_       :   int			=	default_yaml_config_file if yaml_file is None else yaml_file
  								with open(UpperCamelCase_				,    """r"""				,    encoding="""utf-8"""							) as f:
  															a_       :   Dict			=	yaml.safe_load(UpperCamelCase_							)
  								if "compute_environment" not in config_dict:
  															a_       :   int			=	ComputeEnvironment.LOCAL_MACHINE
  
  								if "mixed_precision" not in config_dict:
  															a_       :   Union[str, Any]			=	"""fp16""" if ("""fp16""" in config_dict and config_dict["""fp16"""]) else None
  								if isinstance(config_dict["""mixed_precision"""]				,    UpperCamelCase_							) and not config_dict["mixed_precision"]:
  															a_       :   Tuple			=	"""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_       :   Tuple			=	config_dict.pop("""dynamo_backend"""							)
  															a_       :   str			=	{} if dynamo_backend == """NO""" else {"""dynamo_backend""": dynamo_backend}
  								if "use_cpu" not in config_dict:
  															a_       :   str			=	False
  								return cls(**UpperCamelCase_							)
  
  
  
  
  
  	def     A				(  self				,    UpperCamelCase_							)		->			Tuple:
  								"""simple docstring"""
  
  
  
  
  
  
  								with open(UpperCamelCase_				,    """w"""				,    encoding="""utf-8"""							) as f:
  															yaml.safe_dump(self.to_dict()				,    UpperCamelCase_							)
  
  
  
  
  
  	def     A				(  self							)		->			Dict:
  								"""simple docstring"""
  
  
  
  
  
  
  								if isinstance(self.compute_environment				,    UpperCamelCase_							):
  															a_       :   str			=	ComputeEnvironment(self.compute_environment							)
  								if isinstance(self.distributed_type				,    UpperCamelCase_							):
  															if self.compute_environment == ComputeEnvironment.AMAZON_SAGEMAKER:
  																						a_       :   Optional[int]			=	SageMakerDistributedType(self.distributed_type							)
  															else:
  																						a_       :   List[str]			=	DistributedType(self.distributed_type							)
  								if self.dynamo_config is None:
  															a_       :   List[str]			=	{}
  
  
  
  
  
  @dataclass
  class 					snake_case__  ( __A       ):
  	UpperCAmelCase   :							int
  	UpperCAmelCase   :							int         = 0
  	UpperCAmelCase   :							int         = 1
  	UpperCAmelCase   :							Optional[str]         = None
  	UpperCAmelCase   :							Optional[str]         = None
  	UpperCAmelCase   :							Optional[int]         = None
  	UpperCAmelCase   :							Optional[str]         = "static"
  	UpperCAmelCase   :							Optional[bool]         = False
  	UpperCAmelCase   :							str         = "main"
  
  	# args for deepspeed_plugin
  	UpperCAmelCase   :							dict         = None
  	# args for fsdp
  	UpperCAmelCase   :							dict         = None
  	# args for megatron_lm
  	UpperCAmelCase   :							dict         = None
  	# args for ipex
  	UpperCAmelCase   :							dict         = None
  	# args for TPU
  	UpperCAmelCase   :							bool         = False
  
  	# args for TPU pods
  	UpperCAmelCase   :							str         = None
  	UpperCAmelCase   :							str         = None
  	UpperCAmelCase   :							bool         = False
  	UpperCAmelCase   :							bool         = False
  	UpperCAmelCase   :							str         = None
  	UpperCAmelCase   :							List[str]         = None
  	UpperCAmelCase   :							List[str]         = None
  	UpperCAmelCase   :							List[str]         = None
  
  	# args for dynamo
  	UpperCAmelCase   :							dict         = None
  
  
  
  
  
  	def     A				(  self							)		->			List[Any]:
  								"""simple docstring"""
  
  
  
  
  
  
  								if self.deepspeed_config is None:
  															a_       :   List[Any]			=	{}
  								if self.fsdp_config is None:
  															a_       :   int			=	{}
  								if self.megatron_lm_config is None:
  															a_       :   str			=	{}
  								if self.ipex_config is None:
  															a_       :   int			=	{}
  								return super().__post_init__()
  
  
  
  
  
  @dataclass
  class 					snake_case__  ( __A       ):
  	UpperCAmelCase   :							str
  	UpperCAmelCase   :							str
  	UpperCAmelCase   :							Optional[str]         = None
  	UpperCAmelCase   :							Optional[str]         = None
  	UpperCAmelCase   :							str         = "us-east-1"
  	UpperCAmelCase   :							int         = 1
  	UpperCAmelCase   :							str         = "all"
  	UpperCAmelCase   :							str         = F'accelerate-sagemaker-{num_machines}'
  	UpperCAmelCase   :							str         = SAGEMAKER_PYTORCH_VERSION
  	UpperCAmelCase   :							str         = SAGEMAKER_TRANSFORMERS_VERSION
  	UpperCAmelCase   :							str         = SAGEMAKER_PYTHON_VERSION
  	UpperCAmelCase   :							str         = None
  	UpperCAmelCase   :							str         = None
  	UpperCAmelCase   :							dict         = None
  	UpperCAmelCase   :							dict         = None
  
  
  
style_context: 
  
  
  def 						_lowerCamelCase		(							SCREAMING_SNAKE_CASE_				: list[int]      ):
  
  
  
  
  
  
  							"""simple docstring"""
  
  
  
  							a_       :   List[Any]			=	len(SCREAMING_SNAKE_CASE_      )
  							if n in (0, 1):
  														return 0
  							return sum(query * (n - i - 1) for i, query in enumerate(sorted(SCREAMING_SNAKE_CASE_      )      )      )
  
  
  if __name__ == "__main__":
  	import doctest
  
  	doctest.testmod()
  
  
  