




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




def 						SCREAMING_SNAKE_CASE__					(    lowercase=None     )  ->   List[str]:



   if subparsers is not None:
      snake_case      :				int				=       subparsers.add_parser("""tpu-config"""						,description=_description     )
   else:
      snake_case      :				List[str]				=       argparse.ArgumentParser("""Accelerate tpu-config command"""						,description=_description     )
   # Core arguments
   snake_case      :				Optional[int]				=       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."""						,)
   snake_case      :				int				=       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     )  ->   Union[str, Any]:
   snake_case      :				List[Any]				=       None

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

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

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




def 						SCREAMING_SNAKE_CASE__					(    )  ->   str:
   snake_case      :				int				=       tpu_command_parser()
   snake_case      :				str				=       parser.parse_args()

   tpu_command_launcher(__lowercase     )












'''simple docstring'''




import re

from filelock import FileLock


try:
  import nltk

  __SCREAMING_SNAKE_CASE     :Optional[int]       =				True
except (ImportError, ModuleNotFoundError):
  __SCREAMING_SNAKE_CASE     :str       =				False

if NLTK_AVAILABLE:
  with FileLock('''.lock''') as lock:
    nltk.download('''punkt''', quiet=True)
def 	UpperCAmelCase_							(					__lowercase							:      str       )		->       str:


     '''simple docstring'''



     re.sub("<n>"			,     ""			,     __lowercase       )  # remove pegasus newline char
     assert NLTK_AVAILABLE, "nltk must be installed to separate newlines between sentences. (pip install nltk)"
     return "\n".join(nltk.sent_tokenize(__lowercase       )       )




