

'''simple docstring'''





import argparse
import os
import subprocess

from packaging.version import Version, parse

from accelerate.commands.config.config_args import default_config_file, load_config_from_file


UpperCamelCase_							=					"""Run commands across TPU VMs for initial setup before running `accelerate launch`."""






def 							_lowerCAmelCase (      __magic_name__	:    Dict=None	)							->     int:
						if subparsers is not None:
												lowercase   :       Dict								=subparsers.add_parser('''tpu-config'''      ,   description=_description	)
						else:
												lowercase   :       str								=argparse.ArgumentParser('''Accelerate tpu-config command'''      ,   description=_description	)
						# Core arguments
						lowercase   :       List[str]								=parser.add_argument_group(
						    '''Config Arguments'''      ,   '''Arguments that can be configured through `accelerate config`.'''	)
						config_args.add_argument(
						    '''--config_file'''      ,   type=__magic_name__      ,   default=__magic_name__      ,   help='''Path to the config file to use for accelerate.'''      ,   )
						config_args.add_argument(
						    '''--tpu_name'''      ,   default=__magic_name__      ,   help='''The name of the TPU to use. If not specified, will use the TPU specified in the config file.'''      ,   )
						config_args.add_argument(
						    '''--tpu_zone'''      ,   default=__magic_name__      ,   help='''The zone of the TPU to use. If not specified, will use the zone specified in the config file.'''      ,   )
						lowercase   :       Union[str, Any]								=parser.add_argument_group('''TPU Arguments'''      ,   '''Arguments for options ran inside the TPU.'''	)
						pod_args.add_argument(
						    '''--use_alpha'''      ,   action='''store_true'''      ,   help='''Whether to use `gcloud alpha` when running the TPU training script instead of `gcloud`.'''      ,   )
						pod_args.add_argument(
						    '''--command_file'''      ,   default=__magic_name__      ,   help='''The path to the file containing the commands to run on the pod on startup.'''      ,   )
						pod_args.add_argument(
						    '''--command'''      ,   action='''append'''      ,   nargs='''+'''      ,   help='''A command to run on the pod. Can be passed multiple times.'''      ,   )
						pod_args.add_argument(
						    '''--install_accelerate'''      ,   action='''store_true'''      ,   help='''Whether to install accelerate on the pod. Defaults to False.'''      ,   )
						pod_args.add_argument(
						    '''--accelerate_version'''      ,   default='''latest'''      ,   help='''The version of accelerate to install on the pod. If not specified, will use the latest pypi version. Specify \'dev\' to install from GitHub.'''      ,   )
						pod_args.add_argument(
						    '''--debug'''      ,   action='''store_true'''      ,   help='''If set, will print the command that would be run instead of running it.'''	)

						if subparsers is not None:
												parser.set_defaults(func=__magic_name__	)
						return parser






def 							_lowerCAmelCase (      __magic_name__	:    Optional[int]	)							->     Any:
						lowercase   :       Optional[int]								=None

						# Get the default from the config file if it exists.
						if args.config_file is not None or os.path.isfile(__magic_name__	):
												lowercase   :       int								=load_config_from_file(args.config_file	)
												if not args.command_file and defaults.command_file is not None and not args.command:
																		lowercase   :       str								=defaults.command_file
												if not args.command and defaults.commands is not None:
																		lowercase   :       Optional[int]								=defaults.commands
												if not args.tpu_name:
																		lowercase   :       List[str]								=defaults.tpu_name
												if not args.tpu_zone:
																		lowercase   :       Tuple								=defaults.tpu_zone
						if args.accelerate_version == "dev":
												lowercase   :       Tuple								='''git+https://github.com/huggingface/accelerate.git'''
						elif args.accelerate_version == "latest":
												lowercase   :       Optional[Any]								='''accelerate -U'''
						elif isinstance(parse(args.accelerate_version	)      ,   __magic_name__	):
												lowercase   :       Optional[Any]								=f'''accelerate=={args.accelerate_version}'''

						if not args.command_file and not args.command:
												raise ValueError('''You must specify either a command file or a command to run on the pod.'''	)

						if args.command_file:
												with open(args.command_file      ,   '''r'''	) as f:
																		lowercase   :       Any								=[f.read().splitlines()]

    # To turn list of lists into list of strings
						if isinstance(args.command[0]      ,   __magic_name__	):
												lowercase   :       List[str]								=[line for cmd in args.command for line in cmd]
						# Default to the shared folder and install accelerate
						lowercase   :       str								=['''cd /usr/share''']
						if args.install_accelerate:
												new_cmd += [f'''pip install {args.accelerate_version}''']
						new_cmd += args.command
						lowercase   :       List[str]								='''; '''.join(__magic_name__	)

						# Then send it to gcloud
						# Eventually try to use google-api-core to do this instead of subprocess
						lowercase   :       Optional[Any]								=['''gcloud''']
						if args.use_alpha:
												cmd += ["alpha"]
						cmd += [
						    "compute",
						    "tpus",
						    "tpu-vm",
						    "ssh",
						    args.tpu_name,
						    "--zone",
						    args.tpu_zone,
						    "--command",
						    args.command,
						    "--worker",
						    "all",
						]
						if args.debug:
												print(f'''Running {" ".join(__magic_name__	)}'''	)
												return
						subprocess.run(__magic_name__	)
						print('''Successfully setup pod.'''	)







def 							_lowerCAmelCase (      )							->     Union[str, Any]:
						lowercase   :       Optional[int]								=tpu_command_parser()
						lowercase   :       List[Any]								=parser.parse_args()

						tpu_command_launcher(__magic_name__	)








'''simple docstring'''





import math






def 							_lowerCAmelCase (      __magic_name__	:    float      ,   __magic_name__	:    float	)							->     float:
						if (
						    not isinstance(__magic_name__      ,   (int, float)	)
						    or power_factor < -1
						    or power_factor > 1
						):
												raise ValueError('''power_factor must be a valid float value between -1 and 1.'''	)
						return apparent_power * power_factor






def 							_lowerCAmelCase (      __magic_name__	:    float      ,   __magic_name__	:    float	)							->     float:
						if (
						    not isinstance(__magic_name__      ,   (int, float)	)
						    or power_factor < -1
						    or power_factor > 1
						):
												raise ValueError('''power_factor must be a valid float value between -1 and 1.'''	)
						return apparent_power * math.sqrt(1 - power_factor**2	)


if __name__ == "__main__":
							import doctest

							doctest.testmod()





