






"""simple docstring"""





import logging
import os
import threading
import time


try:
  import warnings
except ImportError:
  A__					: List[str]=	None

try:
  import msvcrt
except ImportError:
  A__					: Dict=	None

try:
  import fcntl
except ImportError:
  A__					: Dict=	None


# Backward compatibility
# ------------------------------------------------
try:
  TimeoutError
except NameError:
  A__					: Optional[int]=	OSError


# Data
# ------------------------------------------------
A__					: str=	[
    """Timeout""",
    """BaseFileLock""",
    """WindowsFileLock""",
    """UnixFileLock""",
    """SoftFileLock""",
    """FileLock""",
]

A__					: Union[str, Any]=	"""3.0.12"""


A__					: Any=	None







def   lowerCAmelCase_( )					->	int:
    """simple docstring"""

    global _logger
    UpperCamelCase__         =    _logger or logging.getLogger(__name__					)
    return _logger
class    __lowerCamelCase    (  _a  ):

   def __init__(					self ,				snake_case_      )		->       Any:
       UpperCamelCase__         =    lock_file
       return None







   def __str__(					self      )		->       Optional[int]:
       UpperCamelCase__         =    F'The file lock \'{self.lock_file}\' could not be acquired.'
       return temp







class    __lowerCamelCase    :

   def __init__(					self ,				snake_case_      )		->       List[Any]:
       UpperCamelCase__         =    lock
       return None

   def __enter__(					self      )		->       int:
       return self.lock







   def __exit__(					self ,				snake_case_ ,				snake_case_ ,				snake_case_      )		->       Dict:
       self.lock.release()
       return None







class    __lowerCamelCase    :

   def __init__(					self ,				snake_case_ ,				snake_case_=-1 ,				snake_case_=None      )		->       Dict:
       UpperCamelCase__         =    max_filename_length if max_filename_length is not None else 255
       # Hash the filename if it's too long
       UpperCamelCase__         =    self.hash_filename_if_too_long(snake_case_ ,				snake_case_      )
       # The path to the lock file.
       UpperCamelCase__         =    lock_file

       # The file descriptor for the *_lock_file* as it is returned by the
       # os.open() function.
       # This file lock is only NOT None, if the object currently holds the
       # lock.
       UpperCamelCase__         =    None

       # The default timeout value.
       UpperCamelCase__         =    timeout

       # We use this lock primarily for the lock counter.
       UpperCamelCase__         =    threading.Lock()

       # The lock counter is used for implementing the nested locking
       # mechanism. Whenever the lock is acquired, the counter is increased and
       # the lock is only released, when this value is 0 again.
       UpperCamelCase__         =    0
       return None

   @property
   def 						SCREAMING_SNAKE_CASE__ (					self      )		->       Union[str, Any]:
       return self._lock_file

   @property
   def 						SCREAMING_SNAKE_CASE__ (					self      )		->       Optional[Any]:
       return self._timeout

   @timeout.setter
   def 						SCREAMING_SNAKE_CASE__ (					self ,				snake_case_      )		->       List[str]:
       UpperCamelCase__         =    float(snake_case_      )
       return None

   def 						SCREAMING_SNAKE_CASE__ (					self      )		->       Tuple:
       raise NotImplementedError()

   def 						SCREAMING_SNAKE_CASE__ (					self      )		->       List[Any]:
       raise NotImplementedError()

   @property
   def 						SCREAMING_SNAKE_CASE__ (					self      )		->       str:
       return self._lock_file_fd is not None

   def 						SCREAMING_SNAKE_CASE__ (					self ,				snake_case_=None ,				snake_case_=0.05      )		->       int:
       # Use the default timeout, if no timeout is provided.
       if timeout is None:
           UpperCamelCase__         =    self.timeout

       # Increment the number right at the beginning.
       # We can still undo it, if something fails.
       with self._thread_lock:
           self._lock_counter += 1

       UpperCamelCase__         =    id(self      )
       UpperCamelCase__         =    self._lock_file
       UpperCamelCase__         =    time.time()
       try:
           while True:
               with self._thread_lock:
                   if not self.is_locked:
                       logger().debug(F'Attempting to acquire lock {lock_id} on {lock_filename}'      )
                       self._acquire()

               if self.is_locked:
                   logger().debug(F'Lock {lock_id} acquired on {lock_filename}'      )
                   break
               elif timeout >= 0 and time.time() - start_time > timeout:
                   logger().debug(F'Timeout on acquiring lock {lock_id} on {lock_filename}'      )
                   raise Timeout(self._lock_file      )
               else:
                   logger().debug(
                       F'Lock {lock_id} not acquired on {lock_filename}, waiting {poll_intervall} seconds ...'      )
                   time.sleep(snake_case_      )
       except:  # noqa
           # Something did go wrong, so decrement the counter.
           with self._thread_lock:
               UpperCamelCase__         =    max(0 ,				self._lock_counter - 1      )

           raise
       return _Acquire_ReturnProxy(lock=self      )

   def 						SCREAMING_SNAKE_CASE__ (					self ,				snake_case_=False      )		->       Tuple:
       with self._thread_lock:
           if self.is_locked:
               self._lock_counter -= 1

               if self._lock_counter == 0 or force:
                   UpperCamelCase__         =    id(self      )
                   UpperCamelCase__         =    self._lock_file

                   logger().debug(F'Attempting to release lock {lock_id} on {lock_filename}'      )
                   self._release()
                   UpperCamelCase__         =    0
                   logger().debug(F'Lock {lock_id} released on {lock_filename}'      )

       return None

   def __enter__(					self      )		->       List[Any]:
       self.acquire()
       return self

   def __exit__(					self ,				snake_case_ ,				snake_case_ ,				snake_case_      )		->       Union[str, Any]:
       self.release()
       return None

   def __del__(					self      )		->       Optional[Any]:
       self.release(force=snake_case_      )
       return None







   def 						SCREAMING_SNAKE_CASE__ (					self ,				snake_case_ ,				snake_case_      )		->       str:
       UpperCamelCase__         =    os.path.basename(snake_case_      )
       if len(snake_case_      ) > max_length and max_length > 0:
           UpperCamelCase__         =    os.path.dirname(snake_case_      )
           UpperCamelCase__         =    str(hash(snake_case_      )      )
           UpperCamelCase__         =    filename[: max_length - len(snake_case_      ) - 8] + '...' + hashed_filename + '.lock'
           return os.path.join(snake_case_ ,				snake_case_      )
       else:
           return path







class    __lowerCamelCase    (  _a  ):

   def __init__(					self ,				snake_case_ ,				snake_case_=-1 ,				snake_case_=None      )		->       Dict:
       from .file_utils import relative_to_absolute_path

       super().__init__(snake_case_ ,				timeout=snake_case_ ,				max_filename_length=snake_case_      )
       UpperCamelCase__         =    '\\\\?\\' + relative_to_absolute_path(self.lock_file      )

   def 						SCREAMING_SNAKE_CASE__ (					self      )		->       Dict:
       UpperCamelCase__         =    os.O_RDWR | os.O_CREAT | os.O_TRUNC

       try:
           UpperCamelCase__         =    os.open(self._lock_file ,				snake_case_      )
       except OSError:
           pass
       else:
           try:
               msvcrt.locking(snake_case_ ,				msvcrt.LK_NBLCK ,				1      )
           except OSError:
               os.close(snake_case_      )
           else:
               UpperCamelCase__         =    fd
       return None







   def 						SCREAMING_SNAKE_CASE__ (					self      )		->       Optional[int]:
       UpperCamelCase__         =    self._lock_file_fd
       UpperCamelCase__         =    None
       msvcrt.locking(snake_case_ ,				msvcrt.LK_UNLCK ,				1      )
       os.close(snake_case_      )

       try:
           os.remove(self._lock_file      )
       # Probably another instance of the application
       # that acquired the file lock.
       except OSError:
           pass
       return None







class    __lowerCamelCase    (  _a  ):

   def __init__(					self ,				snake_case_ ,				snake_case_=-1 ,				snake_case_=None      )		->       int:
       UpperCamelCase__         =    os.statvfs(os.path.dirname(snake_case_      )      ).f_namemax
       super().__init__(snake_case_ ,				timeout=snake_case_ ,				max_filename_length=snake_case_      )

   def 						SCREAMING_SNAKE_CASE__ (					self      )		->       Optional[Any]:
       UpperCamelCase__         =    os.O_RDWR | os.O_CREAT | os.O_TRUNC
       UpperCamelCase__         =    os.open(self._lock_file ,				snake_case_      )

       try:
           fcntl.flock(snake_case_ ,				fcntl.LOCK_EX | fcntl.LOCK_NB      )
       except OSError:
           os.close(snake_case_      )
       else:
           UpperCamelCase__         =    fd
       return None







   def 						SCREAMING_SNAKE_CASE__ (					self      )		->       Optional[int]:
       # Do not remove the lockfile:
       #
       #   https://github.com/benediktschmitt/py-filelock/issues/31
       #   https://stackoverflow.com/questions/17708885/flock-removing-locked-file-without-race-condition
       UpperCamelCase__         =    self._lock_file_fd
       UpperCamelCase__         =    None
       fcntl.flock(snake_case_ ,				fcntl.LOCK_UN      )
       os.close(snake_case_      )
       return None







class    __lowerCamelCase    (  _a  ):

   def 						SCREAMING_SNAKE_CASE__ (					self      )		->       Any:
       UpperCamelCase__         =    os.O_WRONLY | os.O_CREAT | os.O_EXCL | os.O_TRUNC
       try:
           UpperCamelCase__         =    os.open(self._lock_file ,				snake_case_      )
       except OSError:
           pass
       else:
           UpperCamelCase__         =    fd
       return None







   def 						SCREAMING_SNAKE_CASE__ (					self      )		->       Tuple:
       os.close(self._lock_file_fd      )
       UpperCamelCase__         =    None

       try:
           os.remove(self._lock_file      )
       # The file is already deleted and that's what we want.
       except OSError:
           pass
       return None







A__					: Union[str, Any]=	None

if msvcrt:
  A__					: List[Any]=	WindowsFileLock
elif fcntl:
  A__					: Optional[Any]=	UnixFileLock
else:
  A__					: Dict=	SoftFileLock

  if warnings is not None:
    warnings.warn("""only soft file lock is available""")












"""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__					: Optional[Any]=	"""Run commands across TPU VMs for initial setup before running `accelerate launch`."""







def   lowerCAmelCase_( SCREAMING_SNAKE_CASE=None					)					->	Dict:
    """simple docstring"""

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







def   lowerCAmelCase_( SCREAMING_SNAKE_CASE					)					->	Dict:
    """simple docstring"""

    UpperCamelCase__         =    None

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

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

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







def   lowerCAmelCase_( )					->	int:
    """simple docstring"""

    UpperCamelCase__         =    tpu_command_parser()
    UpperCamelCase__         =    parser.parse_args()

    tpu_command_launcher(SCREAMING_SNAKE_CASE					)




