




# 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


lowerCamelCase    :		Union[str, Any]			   =							"Run commands across TPU VMs for initial setup before running `accelerate launch`."

def       _SCREAMING_SNAKE_CASE      (							lowercase     :	str=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=lowercase     ,							default=lowercase     ,							help='Path to the config file to use for accelerate.'     ,							)
      config_args.add_argument(
          '--tpu_name'     ,							default=lowercase     ,							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=lowercase     ,							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=lowercase     ,							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=lowercase					)
      return parser

def       _SCREAMING_SNAKE_CASE      (							lowercase     :	List[Any]					):


      '''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(lowercase					):
            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					)     ,							lowercase					):
            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]     ,							lowercase					):
            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(lowercase					)

      # 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(lowercase					)}"""					)
            return
      subprocess.run(lowercase					)
      print('Successfully setup pod.'					)






def       _SCREAMING_SNAKE_CASE      (							):


      '''simple docstring'''



      lowerCamelCase_							=   tpu_command_parser()
      lowerCamelCase_							=   parser.parse_args()

      tpu_command_launcher(lowercase					)









from __future__ import annotations

def       _SCREAMING_SNAKE_CASE      (							lowercase     :	dict     ,							lowercase     :	str					):


      '''simple docstring'''



      lowerCamelCase_					,    lowerCamelCase_							=   set(lowercase					), [start]

      while stack:
            lowerCamelCase_							=   stack.pop()
            explored.add(lowercase					)
            # Differences from BFS:
            # 1) pop last element instead of first one
            # 2) add adjacent elements to stack without exploring them
            for adj in reversed(graph[v]					):
                  if adj not in explored:
                        stack.append(lowercase					)
      return explored


lowerCamelCase    :		int			   =       {
    "A": ["B", "C", "D"],
    "B": ["A", "D", "E"],
    "C": ["A", "F"],
    "D": ["B", "D"],
    "E": ["B", "F"],
    "F": ["C", "E", "G"],
    "G": ["F"],
}

if __name__ == "__main__":
 import doctest

 doctest.testmod()
 print(depth_first_search(G, "A"))



