



'''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


lowercase_		       =  logging.get_logger(__name__)






class __A			:



 '''simple docstring'''







 __lowerCamelCase    :       str
 __lowerCamelCase    :       str          =       None



 @staticmethod
 def 					a__  ()    ->     Optional[Any]:


      """simple docstring"""



      raise NotImplementedError



 def 					a__  (self ,   A ,   A ,   A ,   **A       )    ->     Any:


      """simple docstring"""



      raise NotImplementedError



 def 					a__  (self ,   A       )    ->     Optional[int]:


      """simple docstring"""



      raise NotImplementedError



 def 					a__  (self       )    ->     Dict:


      """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 					a__  (cls       )    ->     List[str]:


      """simple docstring"""



      return f'''`pip install {cls.pip_package or cls.name}`'''






class __A			(  A						):



 '''simple docstring'''







 __lowerCamelCase    :       str          =       'optuna'



 @staticmethod
 def 					a__  ()    ->     str:


      """simple docstring"""



      return is_optuna_available()



 def 					a__  (self ,   A ,   A ,   A ,   **A       )    ->     List[Any]:


      """simple docstring"""



      return run_hp_search_optuna(A ,   A ,   A ,   **A       )



 def 					a__  (self ,   A       )    ->     Optional[int]:


      """simple docstring"""



      return default_hp_space_optuna(A       )






class __A			(  A						):



 '''simple docstring'''







 __lowerCamelCase    :       Tuple          =       'ray'
 __lowerCamelCase    :       Dict          =       '\'ray[tune]\''



 @staticmethod
 def 					a__  ()    ->     List[Any]:


      """simple docstring"""



      return is_ray_available()



 def 					a__  (self ,   A ,   A ,   A ,   **A       )    ->     Tuple:


      """simple docstring"""



      return run_hp_search_ray(A ,   A ,   A ,   **A       )



 def 					a__  (self ,   A       )    ->     List[str]:


      """simple docstring"""



      return default_hp_space_ray(A       )






class __A			(  A						):



 '''simple docstring'''







 __lowerCamelCase    :       Union[str, Any]          =       'sigopt'



 @staticmethod
 def 					a__  ()    ->     Any:


      """simple docstring"""



      return is_sigopt_available()



 def 					a__  (self ,   A ,   A ,   A ,   **A       )    ->     Any:


      """simple docstring"""



      return run_hp_search_sigopt(A ,   A ,   A ,   **A       )



 def 					a__  (self ,   A       )    ->     Optional[Any]:


      """simple docstring"""



      return default_hp_space_sigopt(A       )






class __A			(  A						):



 '''simple docstring'''







 __lowerCamelCase    :       Tuple          =       'wandb'



 @staticmethod
 def 					a__  ()    ->     str:


      """simple docstring"""



      return is_wandb_available()



 def 					a__  (self ,   A ,   A ,   A ,   **A       )    ->     List[str]:


      """simple docstring"""



      return run_hp_search_wandb(A ,   A ,   A ,   **A       )



 def 					a__  (self ,   A       )    ->     str:


      """simple docstring"""



      return default_hp_space_wandb(A       )





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




def lowerCAmelCase  ():



     """simple docstring"""



     _a      =  [backend for backend in ALL_HYPERPARAMETER_SEARCH_BACKENDS.values() if backend.is_available()]
     if len(__A) > 0:
          _a      =  available_backends[0].name
          if len(__A) > 1:
               logger.info(
                   F'''{len(__A)} 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 lowerCAmelCase  (__A):



     """simple docstring"""



     if not isinstance(__A  ,	__A):
          raise ValueError('''multiplicative_persistence() only accepts integral values''')
     if num < 0:
          raise ValueError('''multiplicative_persistence() does not accept negative values''')

     _a      =  0
     _a      =  str(__A)

     while len(__A) != 1:
          _a      =  [int(__A) for i in num_string]

          _a      =  1
          for i in range(0  ,	len(__A)):
               total *= numbers[i]

          _a      =  str(__A)

          steps += 1
     return steps




def lowerCAmelCase  (__A):



     """simple docstring"""



     if not isinstance(__A  ,	__A):
          raise ValueError('''additive_persistence() only accepts integral values''')
     if num < 0:
          raise ValueError('''additive_persistence() does not accept negative values''')

     _a      =  0
     _a      =  str(__A)

     while len(__A) != 1:
          _a      =  [int(__A) for i in num_string]

          _a      =  0
          for i in range(0  ,	len(__A)):
               total += numbers[i]

          _a      =  str(__A)

          steps += 1
     return steps


if __name__ == "__main__":
  import doctest

  doctest.testmod()



