






"""simple docstring"""



from typing import Any

def 			_snake_case    (					lowerCamelCase__     :   list    ,						lowerCamelCase__     :   list    ,						lowerCamelCase__     :   dict    ,						lowerCamelCase__     :   dict    ,						lowerCamelCase__     :   dict    ,						)    ->     list:
							_validation(
							    lowerCamelCase__    ,						lowerCamelCase__    ,						lowerCamelCase__    ,						lowerCamelCase__    ,						lowerCamelCase__    ,						)
							# Creates data structures and fill initial step
							lowerCamelCase_	:							dict									={}
							lowerCamelCase_	:							dict									={}
							for state in states_space:
														lowerCamelCase_	:							str									=observations_space[0]
														lowerCamelCase_	:							Optional[int]									=(
														    initial_probabilities[state] * emission_probabilities[state][observation]
														)
														lowerCamelCase_	:							List[Any]									=None

							# Fills the data structure with the probabilities of
							# different transitions and pointers to previous states
							for o in range(1    ,						len(lowerCamelCase__  )  ):
														lowerCamelCase_	:							str									=observations_space[o]
														lowerCamelCase_	:							Union[str, Any]									=observations_space[o - 1]
														for state in states_space:
																					# Calculates the argmax for probability function
																					lowerCamelCase_	:							Tuple									=""
																					lowerCamelCase_	:							List[Any]									=-1
																					for k_state in states_space:
																												lowerCamelCase_	:							Optional[int]									=(
																												    probabilities[(k_state, prior_observation)]
																												    * transition_probabilities[k_state][state]
																												    * emission_probabilities[state][observation]
																												)
																												if probability > max_probability:
																																			lowerCamelCase_	:							int									=probability
																																			lowerCamelCase_	:							Optional[Any]									=k_state

            # Update probabilities and pointers dicts
																					lowerCamelCase_	:							Optional[int]									=(
																					    probabilities[(arg_max, prior_observation)]
																					    * transition_probabilities[arg_max][state]
																					    * emission_probabilities[state][observation]
																					)

																					lowerCamelCase_	:							int									=arg_max

    # The final observation
							lowerCamelCase_	:							List[str]									=observations_space[len(lowerCamelCase__  ) - 1]

							# argmax for given final observation
							lowerCamelCase_	:							Optional[int]									=""
							lowerCamelCase_	:							Optional[int]									=-1
							for k_state in states_space:
														lowerCamelCase_	:							Any									=probabilities[(k_state, final_observation)]
														if probability > max_probability:
																					lowerCamelCase_	:							str									=probability
																					lowerCamelCase_	:							List[Any]									=k_state
							lowerCamelCase_	:							Union[str, Any]									=arg_max

							# Process pointers backwards
							lowerCamelCase_	:							str									=last_state
							lowerCamelCase_	:							Dict									=[]
							for o in range(len(lowerCamelCase__  ) - 1    ,						-1    ,						-1  ):
														result.append(lowerCamelCase__  )
														lowerCamelCase_	:							Union[str, Any]									=pointers[previous, observations_space[o]]
							result.reverse()

							return result

def 			_snake_case    (					lowerCamelCase__     :   Any    ,						lowerCamelCase__     :   Any    ,						lowerCamelCase__     :   Any    ,						lowerCamelCase__     :   Any    ,						lowerCamelCase__     :   Any    ,						)    ->     None:
							_validate_not_empty(
							    lowerCamelCase__    ,						lowerCamelCase__    ,						lowerCamelCase__    ,						lowerCamelCase__    ,						lowerCamelCase__    ,						)
							_validate_lists(lowerCamelCase__    ,						lowerCamelCase__  )
							_validate_dicts(
							    lowerCamelCase__    ,						lowerCamelCase__    ,						lowerCamelCase__  )

def 			_snake_case    (					lowerCamelCase__     :   Any    ,						lowerCamelCase__     :   Any    ,						lowerCamelCase__     :   Any    ,						lowerCamelCase__     :   Any    ,						lowerCamelCase__     :   Any    ,						)    ->     None:
							if not all(
							    [
							        observations_space,
							        states_space,
							        initial_probabilities,
							        transition_probabilities,
							        emission_probabilities,
							    ]  ):
														raise ValueError("There's an empty parameter"  )

def 			_snake_case    (					lowerCamelCase__     :   Any    ,						lowerCamelCase__     :   Any  )    ->     None:
							_validate_list(lowerCamelCase__    ,						"observations_space"  )
							_validate_list(lowerCamelCase__    ,						"states_space"  )

def 			_snake_case    (					lowerCamelCase__     :   Any    ,						lowerCamelCase__     :   str  )    ->     None:
							if not isinstance(_object    ,						lowerCamelCase__  ):
														lowerCamelCase_	:							Any									=F"""{var_name} must be a list"""
														raise ValueError(lowerCamelCase__  )
							else:
														for x in _object:
																					if not isinstance(lowerCamelCase__    ,						lowerCamelCase__  ):
																												lowerCamelCase_	:							Union[str, Any]									=F"""{var_name} must be a list of strings"""
																												raise ValueError(lowerCamelCase__  )

def 			_snake_case    (					lowerCamelCase__     :   Any    ,						lowerCamelCase__     :   Any    ,						lowerCamelCase__     :   Any    ,						)    ->     None:
							_validate_dict(lowerCamelCase__    ,						"initial_probabilities"    ,						lowerCamelCase__  )
							_validate_nested_dict(lowerCamelCase__    ,						"transition_probabilities"  )
							_validate_nested_dict(lowerCamelCase__    ,						"emission_probabilities"  )

def 			_snake_case    (					lowerCamelCase__     :   Any    ,						lowerCamelCase__     :   str  )    ->     None:
							_validate_dict(_object    ,						lowerCamelCase__    ,						lowerCamelCase__  )
							for x in _object.values():
														_validate_dict(lowerCamelCase__    ,						lowerCamelCase__    ,						lowerCamelCase__    ,						lowerCamelCase__  )

def 			_snake_case    (					lowerCamelCase__     :   Any    ,						lowerCamelCase__     :   str    ,						lowerCamelCase__     :   type    ,						lowerCamelCase__     :   bool = False  )    ->     None:
							if not isinstance(_object    ,						lowerCamelCase__  ):
														lowerCamelCase_	:							Tuple									=F"""{var_name} must be a dict"""
														raise ValueError(lowerCamelCase__  )
							if not all(isinstance(lowerCamelCase__    ,						lowerCamelCase__  ) for x in _object  ):
														lowerCamelCase_	:							Dict									=F"""{var_name} all keys must be strings"""
														raise ValueError(lowerCamelCase__  )
							if not all(isinstance(lowerCamelCase__    ,						lowerCamelCase__  ) for x in _object.values()  ):
														lowerCamelCase_	:							List[Any]									="nested dictionary " if nested else ""
														lowerCamelCase_	:							Tuple									=F"""{var_name} {nested_text}all values must be {value_type.__name__}"""
														raise ValueError(lowerCamelCase__  )


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

						testmod()











"""simple docstring"""



# Copyright 2021 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.

from argparse import ArgumentParser

from accelerate.commands.config import get_config_parser
from accelerate.commands.env import env_command_parser
from accelerate.commands.launch import launch_command_parser
from accelerate.commands.test import test_command_parser
from accelerate.commands.tpu import tpu_command_parser

def 			_snake_case    (					)    ->     Tuple:
							lowerCamelCase_	:							Optional[int]									=ArgumentParser("Accelerate CLI tool"    ,						usage="accelerate <command> [<args>]"    ,						allow_abbrev=lowerCamelCase__  )
							lowerCamelCase_	:							Optional[int]									=parser.add_subparsers(help="accelerate command helpers"  )

							# Register commands
							get_config_parser(subparsers=lowerCamelCase__  )
							env_command_parser(subparsers=lowerCamelCase__  )
							launch_command_parser(subparsers=lowerCamelCase__  )
							tpu_command_parser(subparsers=lowerCamelCase__  )
							test_command_parser(subparsers=lowerCamelCase__  )

							# Let's go
							lowerCamelCase_	:							int									=parser.parse_args()

							if not hasattr(lowerCamelCase__    ,						"func"  ):
														parser.print_help()
														exit(1  )

							# Run
							args.func(lowerCamelCase__  )


if __name__ == "__main__":
						main()



