





"""simple docstring"""



from .integrations import (
    is_optuna_available,
    is_ray_available,
    is_sigopt_available,
    is_wandb_available,
    run_hp_search_optuna,
    run_hp_search_ray,
    run_hp_search_sigopt,
    run_hp_search_wandb,
)
from .trainer_utils import (
    HPSearchBackend,
    default_hp_space_optuna,
    default_hp_space_ray,
    default_hp_space_sigopt,
    default_hp_space_wandb,
)
from .utils import logging


a_ =			logging.get_logger(__name__)






class 		__snake_case					:





 """simple docstring"""


 _lowerCamelCase        =     42
 _lowerCamelCase        =     None

 @staticmethod
 def 					UpperCamelCase__(    ):



     '''simple docstring'''




     raise NotImplementedError

 def 					UpperCamelCase__(    self					,						__lowerCamelCase					,						__lowerCamelCase					,						__lowerCamelCase					,						**__lowerCamelCase  ):



     '''simple docstring'''




     raise NotImplementedError

 def 					UpperCamelCase__(    self					,						__lowerCamelCase  ):



     '''simple docstring'''




     raise NotImplementedError

 def 					UpperCamelCase__(    self  ):



     '''simple docstring'''




     if not self.is_available():
         raise RuntimeError(
             F"""You picked the {self.name} backend, but it is not installed. Run {self.pip_install()}."""  )







 @classmethod
 def 					UpperCamelCase__(    cls  ):



     '''simple docstring'''




     return F"""`pip install {cls.pip_package or cls.name}`"""






class 		__snake_case					(		SCREAMING_SNAKE_CASE__     ):





 """simple docstring"""


 _lowerCamelCase        =     """optuna"""

 @staticmethod
 def 					UpperCamelCase__(    ):



     '''simple docstring'''




     return is_optuna_available()

 def 					UpperCamelCase__(    self					,						__lowerCamelCase					,						__lowerCamelCase					,						__lowerCamelCase					,						**__lowerCamelCase  ):



     '''simple docstring'''




     return run_hp_search_optuna(__lowerCamelCase					,						__lowerCamelCase					,						__lowerCamelCase					,						**__lowerCamelCase  )







 def 					UpperCamelCase__(    self					,						__lowerCamelCase  ):



     '''simple docstring'''




     return default_hp_space_optuna(__lowerCamelCase  )






class 		__snake_case					(		SCREAMING_SNAKE_CASE__     ):





 """simple docstring"""


 _lowerCamelCase        =     """ray"""
 _lowerCamelCase        =     """'ray[tune]'"""

 @staticmethod
 def 					UpperCamelCase__(    ):



     '''simple docstring'''




     return is_ray_available()

 def 					UpperCamelCase__(    self					,						__lowerCamelCase					,						__lowerCamelCase					,						__lowerCamelCase					,						**__lowerCamelCase  ):



     '''simple docstring'''




     return run_hp_search_ray(__lowerCamelCase					,						__lowerCamelCase					,						__lowerCamelCase					,						**__lowerCamelCase  )







 def 					UpperCamelCase__(    self					,						__lowerCamelCase  ):



     '''simple docstring'''




     return default_hp_space_ray(__lowerCamelCase  )






class 		__snake_case					(		SCREAMING_SNAKE_CASE__     ):





 """simple docstring"""


 _lowerCamelCase        =     """sigopt"""

 @staticmethod
 def 					UpperCamelCase__(    ):



     '''simple docstring'''




     return is_sigopt_available()

 def 					UpperCamelCase__(    self					,						__lowerCamelCase					,						__lowerCamelCase					,						__lowerCamelCase					,						**__lowerCamelCase  ):



     '''simple docstring'''




     return run_hp_search_sigopt(__lowerCamelCase					,						__lowerCamelCase					,						__lowerCamelCase					,						**__lowerCamelCase  )







 def 					UpperCamelCase__(    self					,						__lowerCamelCase  ):



     '''simple docstring'''




     return default_hp_space_sigopt(__lowerCamelCase  )






class 		__snake_case					(		SCREAMING_SNAKE_CASE__     ):





 """simple docstring"""


 _lowerCamelCase        =     """wandb"""

 @staticmethod
 def 					UpperCamelCase__(    ):



     '''simple docstring'''




     return is_wandb_available()

 def 					UpperCamelCase__(    self					,						__lowerCamelCase					,						__lowerCamelCase					,						__lowerCamelCase					,						**__lowerCamelCase  ):



     '''simple docstring'''




     return run_hp_search_wandb(__lowerCamelCase					,						__lowerCamelCase					,						__lowerCamelCase					,						**__lowerCamelCase  )







 def 					UpperCamelCase__(    self					,						__lowerCamelCase  ):



     '''simple docstring'''




     return default_hp_space_wandb(__lowerCamelCase  )






a_ =			{
    HPSearchBackend(backend.name): backend for backend in [OptunaBackend, RayTuneBackend, SigOptBackend, WandbBackend]
}







def 		__lowercase     (   )   ->str:



    '''simple docstring'''







    __A    :						Dict						 =     [backend for backend in ALL_HYPERPARAMETER_SEARCH_BACKENDS.values() if backend.is_available()]
    if len(snake_case_						) > 0:
        __A    :						Tuple						 =     available_backends[0].name
        if len(snake_case_						) > 1:
            logger.info(
                F"""{len(snake_case_						)} hyperparameter search backends available. Using {name} as the default."""						)
        return name
    raise RuntimeError(
        '''No hyperparameter search backend available.\n'''
        + '''\n'''.join(
            F""" - To install {backend.name} run {backend.pip_install()}"""
            for backend in ALL_HYPERPARAMETER_SEARCH_BACKENDS.values()						)						)











"""simple docstring"""



def 		__lowercase     (   snake_case_  :  int						)   ->int:



    '''simple docstring'''







    assert (
        isinstance(snake_case_				,snake_case_						) and number_of_steps > 0
    ), F"""number_of_steps needs to be positive integer, your input {number_of_steps}"""
    if number_of_steps == 1:
        return 1
    __A ,       __A    :						List[Any]						 =     1, 1
    for _ in range(number_of_steps - 1						):
        __A ,       __A    :						List[str]						 =     current + previous, current
    return current


if __name__ == "__main__":
       import doctest

       doctest.testmod()




