






'''simple docstring'''



# Copyright 2022 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 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


SCREAMING_SNAKE_CASE						=	'Run commands across TPU VMs for initial setup before running `accelerate launch`.'


def 							lowercase_				(    __A :       str=None			)       ->      List[str]:



 """simple docstring"""




 if subparsers is not None:
  lowercase					:   Optional[int]				  =subparsers.add_parser('''tpu-config'''					,      description=_description			)
 else:
  lowercase					:   List[Any]				  =argparse.ArgumentParser('''Accelerate tpu-config command'''					,      description=_description			)
 # Core arguments
 lowercase					:   Dict				  =parser.add_argument_group(
     '''Config Arguments'''					,      '''Arguments that can be configured through `accelerate config`.'''			)
 config_args.add_argument(
     '''--config_file'''					,      type=__A					,      default=__A					,      help='''Path to the config file to use for accelerate.'''					,      )
 config_args.add_argument(
     '''--tpu_name'''					,      default=__A					,      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=__A					,      help='''The zone of the TPU to use. If not specified, will use the zone specified in the config file.'''					,      )
 lowercase					:   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=__A					,      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=__A			)
 return parser


def 							lowercase_				(    __A :       Dict			)       ->      List[str]:



 """simple docstring"""




 lowercase					:   List[str]				  =None

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

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

 # Then send it to gcloud
 # Eventually try to use google-api-core to do this instead of subprocess
 lowercase					:   int				  =['''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(__A			)}'			)
  return
 subprocess.run(__A			)
 print('''Successfully setup pod.'''			)





def 							lowercase_				(    )       ->      Any:



 """simple docstring"""




 lowercase					:   str				  =tpu_command_parser()
 lowercase					:   Any				  =parser.parse_args()

 tpu_command_launcher(__A			)











'''simple docstring'''



import importlib.metadata
from typing import Union

from packaging.version import Version, parse

from .constants import STR_OPERATION_TO_FUNC


SCREAMING_SNAKE_CASE						=	parse(importlib.metadata.version('torch'))


def 							lowercase_				(    __A :       Union[str, Version]					,      __A :       str					,      __A :       str			)       ->      Union[str, Any]:



 """simple docstring"""




 if operation not in STR_OPERATION_TO_FUNC.keys():
  raise ValueError(F'`operation` must be one of {list(STR_OPERATION_TO_FUNC.keys()			)}, received {operation}'			)
 lowercase					:   Any				  =STR_OPERATION_TO_FUNC[operation]
 if isinstance(__A					,      __A			):
  lowercase					:   List[Any]				  =parse(importlib.metadata.version(__A			)			)
 return operation(__A					,      parse(__A			)			)





def 							lowercase_				(    __A :       str					,      __A :       str			)       ->      Tuple:



 """simple docstring"""




 return compare_versions(__A					,      __A					,      __A			)



