





'''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


A__							:  Dict    ='''Run commands across TPU VMs for initial setup before running `accelerate launch`.'''
def   UpperCamelCase__ (						lowerCAmelCase=None    ):





      """simple docstring"""


      if subparsers is not None:
            _lowerCAmelCase					=				subparsers.add_parser("""tpu-config"""				,      description=_description    )
      else:
            _lowerCAmelCase					=				argparse.ArgumentParser("""Accelerate tpu-config command"""				,      description=_description    )
      # Core arguments
      _lowerCAmelCase					=				parser.add_argument_group(
          """Config Arguments"""				,      """Arguments that can be configured through `accelerate config`."""    )
      config_args.add_argument(
          """--config_file"""				,      type=lowerCAmelCase				,      default=lowerCAmelCase				,      help="""Path to the config file to use for accelerate."""				,      )
      config_args.add_argument(
          """--tpu_name"""				,      default=lowerCAmelCase				,      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=lowerCAmelCase				,      help="""The zone of the TPU to use. If not specified, will use the zone specified in the config file."""				,      )
      _lowerCAmelCase					=				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=lowerCAmelCase				,      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=lowerCAmelCase    )
      return parser
def   UpperCamelCase__ (						lowerCAmelCase    ):





      """simple docstring"""


      _lowerCAmelCase					=				None

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

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

      # Then send it to gcloud
      # Eventually try to use google-api-core to do this instead of subprocess
      _lowerCAmelCase					=				["""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(lowerCAmelCase    )}"    )
            return
      subprocess.run(lowerCAmelCase    )
      print("""Successfully setup pod."""    )





def   UpperCamelCase__ (						):





      """simple docstring"""


      _lowerCAmelCase					=				tpu_command_parser()
      _lowerCAmelCase					=				parser.parse_args()

      tpu_command_launcher(lowerCAmelCase    )













'''simple docstring'''






def   UpperCamelCase__ (						lowerCAmelCase				,      lowerCAmelCase    ):





      """simple docstring"""


      _lowerCAmelCase					=				""""""
      for word_or_phrase in separated:
            if not isinstance(lowerCAmelCase				,      lowerCAmelCase    ):
                  raise Exception("""join() accepts only strings to be joined"""    )
            joined += word_or_phrase + separator
      return joined.strip(lowerCAmelCase    )


if __name__ == "__main__":
      from doctest import testmod

      testmod()






