






"""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


_lowerCAmelCase	:	List[str]				=      """Run commands across TPU VMs for initial setup before running `accelerate launch`."""


def 	SCREAMING_SNAKE_CASE__       (  snake_case       : int=None				)->		int:






     '''simple docstring'''



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


def 	SCREAMING_SNAKE_CASE__       (  snake_case       : Tuple				)->		Optional[int]:






     '''simple docstring'''



     UpperCAmelCase__						:    Union[str, Any]							=							None

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

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

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



def 	SCREAMING_SNAKE_CASE__       (  )->		List[Any]:






     '''simple docstring'''



     UpperCAmelCase__						:    Dict							=							tpu_command_parser()
     UpperCAmelCase__						:    Union[str, Any]							=							parser.parse_args()

     tpu_command_launcher(snake_case				)










"""simple docstring"""



from __future__ import annotations

from collections.abc import Iterator
from typing import Any




class 			lowerCAmelCase__			:
   def __init__(		self      :	Any							,			snake_case__      :	Any							):


        '''simple docstring'''
        UpperCAmelCase__						:    Any							=							data
        UpperCAmelCase__						:    Node | None							=							None




class 			lowerCAmelCase__			:
   def __init__(		self      :	Dict							):


        '''simple docstring'''
        UpperCAmelCase__						:    Tuple							=							None
        UpperCAmelCase__						:    Optional[int]							=							None
   def __iter__(		self      :	Tuple							):


        '''simple docstring'''
        UpperCAmelCase__						:    Optional[int]							=							self.head
        while self.head:
             yield node.data
             UpperCAmelCase__						:    Optional[Any]							=							node.next
             if node == self.head:
                  break
   def __len__(		self      :	Tuple							):


        '''simple docstring'''
        return sum(1 for _ in self							)
   def __repr__(		self      :	str							):


        '''simple docstring'''
        return "->".join(str(snake_case__							) for item in iter(self							)							)
   def       __a							(		self      :	Optional[Any]							,			snake_case__      :	Any							):


        '''simple docstring'''
        self.insert_nth(len(self							)							,			snake_case__							)
   def       __a							(		self      :	Optional[Any]							,			snake_case__      :	Any							):


        '''simple docstring'''
        self.insert_nth(0							,			snake_case__							)
   def       __a							(		self      :	Any							,			snake_case__      :	int							,			snake_case__      :	Any							):


        '''simple docstring'''
        if index < 0 or index > len(self							):
             raise IndexError("list index out of range."							)
        UpperCAmelCase__						:    Any							=							Node(snake_case__							)
        if self.head is None:
             UpperCAmelCase__						:    Union[str, Any]							=							new_node  # first node points itself
             UpperCAmelCase__						:    List[str]							=							new_node
        elif index == 0:  # insert at head
             UpperCAmelCase__						:    Optional[Any]							=							self.head
             UpperCAmelCase__						:    List[Any]							=							new_node
        else:
             UpperCAmelCase__						:    Union[str, Any]							=							self.head
             for _ in range(index - 1							):
                  UpperCAmelCase__						:    Dict							=							temp.next
             UpperCAmelCase__						:    Tuple							=							temp.next
             UpperCAmelCase__						:    str							=							new_node
             if index == len(self							) - 1:  # insert at tail
                  UpperCAmelCase__						:    Union[str, Any]							=							new_node
   def       __a							(		self      :	List[Any]							):


        '''simple docstring'''
        return self.delete_nth(0							)
   def       __a							(		self      :	Optional[Any]							):


        '''simple docstring'''
        return self.delete_nth(len(self							) - 1							)
   def       __a							(		self      :	Tuple							,			snake_case__      :	int = 0							):


        '''simple docstring'''
        if not 0 <= index < len(self							):
             raise IndexError("list index out of range."							)
        UpperCAmelCase__						:    Union[str, Any]							=							self.head
        if self.head == self.tail:  # just one node
             UpperCAmelCase__						:    str							=							None
        elif index == 0:  # delete head node
             UpperCAmelCase__						:    List[Any]							=							self.tail.next.next
             UpperCAmelCase__						:    Dict							=							self.head.next
        else:
             UpperCAmelCase__						:    List[Any]							=							self.head
             for _ in range(index - 1							):
                  UpperCAmelCase__						:    Tuple							=							temp.next
             UpperCAmelCase__						:    Dict							=							temp.next
             UpperCAmelCase__						:    Dict							=							temp.next.next
             if index == len(self							) - 1:  # delete at tail
                  UpperCAmelCase__						:    int							=							temp
        return delete_node.data




   def       __a							(		self      :	Any							):


        '''simple docstring'''
        return len(self							) == 0




def 	SCREAMING_SNAKE_CASE__       (  )->		None:






     '''simple docstring'''



     UpperCAmelCase__						:    str							=							CircularLinkedList()
     assert len(snake_case				) == 0
     assert circular_linked_list.is_empty() is True
     assert str(snake_case				) == ""

     try:
          circular_linked_list.delete_front()
          raise AssertionError  # This should not happen
     except IndexError:
          assert True  # This should happen

     try:
          circular_linked_list.delete_tail()
          raise AssertionError  # This should not happen
     except IndexError:
          assert True  # This should happen

     try:
          circular_linked_list.delete_nth(-1				)
          raise AssertionError
     except IndexError:
          assert True

     try:
          circular_linked_list.delete_nth(0				)
          raise AssertionError
     except IndexError:
          assert True

     assert circular_linked_list.is_empty() is True
     for i in range(5				):
          assert len(snake_case				) == i
          circular_linked_list.insert_nth(snake_case			,					i + 1				)
     assert str(snake_case				) == "->".join(str(snake_case				) for i in range(1			,					6				)				)

     circular_linked_list.insert_tail(6				)
     assert str(snake_case				) == "->".join(str(snake_case				) for i in range(1			,					7				)				)
     circular_linked_list.insert_head(0				)
     assert str(snake_case				) == "->".join(str(snake_case				) for i in range(0			,					7				)				)

     assert circular_linked_list.delete_front() == 0
     assert circular_linked_list.delete_tail() == 6
     assert str(snake_case				) == "->".join(str(snake_case				) for i in range(1			,					6				)				)
     assert circular_linked_list.delete_nth(2				) == 3

     circular_linked_list.insert_nth(2			,					3				)
     assert str(snake_case				) == "->".join(str(snake_case				) for i in range(1			,					6				)				)

     assert circular_linked_list.is_empty() is False


if __name__ == "__main__":
 import doctest

 doctest.testmod()


