






"""simple docstring"""


from abc import ABC, abstractmethod
from typing import List, Optional


class 					snake_case		(							_lowerCAmelCase						):


   '''simple docstring'''

   def __init__(	self :     List[Any]  ):

     '''simple docstring'''
     # test for the above condition
     self.test()


   def 				_SCREAMING_SNAKE_CASE				(	self :     Dict  ):

     '''simple docstring'''
     __A									= 0
     __A									= False
     while not completed:
       if counter == 1:
         self.reset()
       __A									= self.advance()
       if not self.does_advance(_lowerCamelCase  ):
         raise Exception(
             '''Custom Constraint is not defined correctly. self.does_advance(self.advance()) must be true.'''  )

       __A			,    __A			,    __A									= self.update(_lowerCamelCase  )
       counter += 1

       if counter > 1_00_00:
         raise Exception('''update() does not fulfill the constraint.'''  )

     if self.remaining() != 0:
       raise Exception('''Custom Constraint is not defined correctly.'''  )


   @abstractmethod
   def 				_SCREAMING_SNAKE_CASE				(	self :     Optional[Any]  ):

     '''simple docstring'''
     raise NotImplementedError(
         f'{self.__class__} is an abstract class. Only classes inheriting this class can be called.'  )


   @abstractmethod
   def 				_SCREAMING_SNAKE_CASE				(	self :     Dict,       _lowerCamelCase :     int  ):

     '''simple docstring'''
     raise NotImplementedError(
         f'{self.__class__} is an abstract class. Only classes inheriting this class can be called.'  )


   @abstractmethod
   def 				_SCREAMING_SNAKE_CASE				(	self :     Any,       _lowerCamelCase :     int  ):

     '''simple docstring'''
     raise NotImplementedError(
         f'{self.__class__} is an abstract class. Only classes inheriting this class can be called.'  )


   @abstractmethod
   def 				_SCREAMING_SNAKE_CASE				(	self :     List[Any]  ):

     '''simple docstring'''
     raise NotImplementedError(
         f'{self.__class__} is an abstract class. Only classes inheriting this class can be called.'  )


   @abstractmethod
   def 				_SCREAMING_SNAKE_CASE				(	self :     Tuple  ):

     '''simple docstring'''
     raise NotImplementedError(
         f'{self.__class__} is an abstract class. Only classes inheriting this class can be called.'  )






   @abstractmethod
   def 				_SCREAMING_SNAKE_CASE				(	self :     Any,       _lowerCamelCase :     Any=False  ):

     '''simple docstring'''
     raise NotImplementedError(
         f'{self.__class__} is an abstract class. Only classes inheriting this class can be called.'  )





class 					snake_case		(							_lowerCAmelCase						):


   '''simple docstring'''

   def __init__(	self :     int,       _lowerCamelCase :     List[int]  ):

     '''simple docstring'''
     super(_lowerCamelCase,       self  ).__init__()

     if not isinstance(_lowerCamelCase,       _lowerCamelCase  ) or len(_lowerCamelCase  ) == 0:
       raise ValueError(f'`token_ids` has to be a non-empty list, but is {token_ids}.'  )
     if any((not isinstance(_lowerCamelCase,       _lowerCamelCase  ) or token_id < 0) for token_id in token_ids  ):
       raise ValueError(f'Each list in `token_ids` has to be a list of positive integers, but is {token_ids}.'  )

     __A									= token_ids

     __A									= len(self.token_ids  )
     __A									= -1  # the index of the currently fulfilled step
     __A									= False


   def 				_SCREAMING_SNAKE_CASE				(	self :     Tuple  ):

     '''simple docstring'''
     if self.completed:
       return None
     return self.token_ids[self.fulfilled_idx + 1]


   def 				_SCREAMING_SNAKE_CASE				(	self :     Union[str, Any],       _lowerCamelCase :     int  ):

     '''simple docstring'''
     if not isinstance(_lowerCamelCase,       _lowerCamelCase  ):
       raise ValueError(f'`token_id` has to be an `int`, but is {token_id} of type {type(_lowerCamelCase  )}'  )

     if self.completed:
       return False

     return token_id == self.token_ids[self.fulfilled_idx + 1]


   def 				_SCREAMING_SNAKE_CASE				(	self :     Optional[int],       _lowerCamelCase :     int  ):

     '''simple docstring'''
     if not isinstance(_lowerCamelCase,       _lowerCamelCase  ):
       raise ValueError(f'`token_id` has to be an `int`, but is {token_id} of type {type(_lowerCamelCase  )}'  )

     __A									= False
     __A									= False
     __A									= False

     if self.does_advance(_lowerCamelCase  ):
       self.fulfilled_idx += 1
       __A									= True
       if self.fulfilled_idx == (self.seqlen - 1):
         __A									= True
       __A									= completed
     else:
       # failed to make progress.
       __A									= True
       self.reset()
     return stepped, completed, reset


   def 				_SCREAMING_SNAKE_CASE				(	self :     int  ):

     '''simple docstring'''
     __A									= False
     __A									= 0


   def 				_SCREAMING_SNAKE_CASE				(	self :     Any  ):

     '''simple docstring'''
     return self.seqlen - (self.fulfilled_idx + 1)






   def 				_SCREAMING_SNAKE_CASE				(	self :     Optional[Any],       _lowerCamelCase :     str=False  ):

     '''simple docstring'''
     __A									= PhrasalConstraint(self.token_ids  )

     if stateful:
       __A									= self.seqlen
       __A									= self.fulfilled_idx
       __A									= self.completed

     return new_constraint





class 					snake_case		:


   '''simple docstring'''

   def __init__(	self :     Dict,       _lowerCamelCase :     List[List[int]],       _lowerCamelCase :     Any=True  ):

     '''simple docstring'''
     __A									= max([len(_lowerCamelCase  ) for one in nested_token_ids]  )

     __A									= {}
     for token_ids in nested_token_ids:
       __A									= root
       for tidx, token_id in enumerate(_lowerCamelCase  ):
         if token_id not in level:
           __A									= {}

         __A									= level[token_id]

     if no_subsets and self.has_subsets(_lowerCamelCase,       _lowerCamelCase  ):
       raise ValueError(
           '''Each list in `nested_token_ids` can\'t be a complete subset of another list, but is'''
           f' {nested_token_ids}.'  )

     __A									= root


   def 				_SCREAMING_SNAKE_CASE				(	self :     Dict,       _lowerCamelCase :     Union[str, Any]  ):

     '''simple docstring'''
     __A									= self.trie

     for current_token in current_seq:
       __A									= start[current_token]

     __A									= list(start.keys()  )

     return next_tokens


   def 				_SCREAMING_SNAKE_CASE				(	self :     List[str],       _lowerCamelCase :     Tuple  ):

     '''simple docstring'''
     __A									= self.next_tokens(_lowerCamelCase  )

     return len(_lowerCamelCase  ) == 0


   def 				_SCREAMING_SNAKE_CASE				(	self :     str,       _lowerCamelCase :     Optional[Any]  ):

     '''simple docstring'''
     __A									= list(root.values()  )
     if len(_lowerCamelCase  ) == 0:
       return 1
     else:
       return sum([self.count_leaves(_lowerCamelCase  ) for nn in next_nodes]  )






   def 				_SCREAMING_SNAKE_CASE				(	self :     List[str],       _lowerCamelCase :     int,       _lowerCamelCase :     Any  ):

     '''simple docstring'''
     __A									= self.count_leaves(_lowerCamelCase  )
     return len(_lowerCamelCase  ) != leaf_count





class 					snake_case		(							_lowerCAmelCase						):


   '''simple docstring'''

   def __init__(	self :     List[str],       _lowerCamelCase :     List[List[int]]  ):

     '''simple docstring'''
     super(_lowerCamelCase,       self  ).__init__()

     if not isinstance(_lowerCamelCase,       _lowerCamelCase  ) or len(_lowerCamelCase  ) == 0:
       raise ValueError(f'`nested_token_ids` has to be a non-empty list, but is {nested_token_ids}.'  )
     if any(not isinstance(_lowerCamelCase,       _lowerCamelCase  ) for token_ids in nested_token_ids  ):
       raise ValueError(f'`nested_token_ids` has to be a list of lists, but is {nested_token_ids}.'  )
     if any(
         any((not isinstance(_lowerCamelCase,       _lowerCamelCase  ) or token_id < 0) for token_id in token_ids  )
         for token_ids in nested_token_ids  ):
       raise ValueError(
           f'Each list in `nested_token_ids` has to be a list of positive integers, but is {nested_token_ids}.'  )

     __A									= DisjunctiveTrie(_lowerCamelCase  )
     __A									= nested_token_ids

     __A									= self.trie.max_height
     __A									= []
     __A									= False


   def 				_SCREAMING_SNAKE_CASE				(	self :     int  ):

     '''simple docstring'''
     __A									= self.trie.next_tokens(self.current_seq  )

     if len(_lowerCamelCase  ) == 0:
       return None
     else:
       return token_list


   def 				_SCREAMING_SNAKE_CASE				(	self :     Union[str, Any],       _lowerCamelCase :     int  ):

     '''simple docstring'''
     if not isinstance(_lowerCamelCase,       _lowerCamelCase  ):
       raise ValueError(f'`token_id` is supposed to be type `int`, but is {token_id} of type {type(_lowerCamelCase  )}'  )

     __A									= self.trie.next_tokens(self.current_seq  )

     return token_id in next_tokens


   def 				_SCREAMING_SNAKE_CASE				(	self :     List[Any],       _lowerCamelCase :     int  ):

     '''simple docstring'''
     if not isinstance(_lowerCamelCase,       _lowerCamelCase  ):
       raise ValueError(f'`token_id` is supposed to be type `int`, but is {token_id} of type {type(_lowerCamelCase  )}'  )

     __A									= False
     __A									= False
     __A									= False

     if self.does_advance(_lowerCamelCase  ):
       self.current_seq.append(_lowerCamelCase  )
       __A									= True
     else:
       __A									= True
       self.reset()

     __A									= self.trie.reached_leaf(self.current_seq  )
     __A									= completed

     return stepped, completed, reset


   def 				_SCREAMING_SNAKE_CASE				(	self :     Any  ):

     '''simple docstring'''
     __A									= False
     __A									= []


   def 				_SCREAMING_SNAKE_CASE				(	self :     Tuple  ):

     '''simple docstring'''
     if self.completed:
       # since this can be completed without reaching max height
       return 0
     else:
       return self.seqlen - len(self.current_seq  )






   def 				_SCREAMING_SNAKE_CASE				(	self :     Union[str, Any],       _lowerCamelCase :     int=False  ):

     '''simple docstring'''
     __A									= DisjunctiveConstraint(self.token_ids  )

     if stateful:
       __A									= self.seqlen
       __A									= self.current_seq
       __A									= self.completed

     return new_constraint





class 					snake_case		:


   '''simple docstring'''

   def __init__(	self :     List[Any],       _lowerCamelCase :     List[Constraint]  ):

     '''simple docstring'''
     __A									= constraints

     # max # of steps required to fulfill a given constraint
     __A									= max([c.seqlen for c in constraints]  )
     __A									= len(_lowerCamelCase  )
     __A									= False

     self.init_state()


   def 				_SCREAMING_SNAKE_CASE				(	self :     int  ):

     '''simple docstring'''
     __A									= []
     __A									= None
     __A									= [constraint.copy(stateful=_lowerCamelCase  ) for constraint in self.constraints]


   def 				_SCREAMING_SNAKE_CASE				(	self :     str  ):

     '''simple docstring'''
     __A									= 0
     if self.inprogress_constraint:
       # extra points for having a constraint mid-fulfilled
       add += self.max_seqlen - self.inprogress_constraint.remaining()

     return (len(self.complete_constraints  ) * self.max_seqlen) + add


   def 				_SCREAMING_SNAKE_CASE				(	self :     Union[str, Any]  ):

     '''simple docstring'''
     __A									= []
     if self.inprogress_constraint is None:
       for constraint in self.pending_constraints:  # "pending" == "unfulfilled yet"
         __A									= constraint.advance()
         if isinstance(_lowerCamelCase,       _lowerCamelCase  ):
           token_list.append(_lowerCamelCase  )
         elif isinstance(_lowerCamelCase,       _lowerCamelCase  ):
           token_list.extend(_lowerCamelCase  )
     else:
       __A									= self.inprogress_constraint.advance()
       if isinstance(_lowerCamelCase,       _lowerCamelCase  ):
         token_list.append(_lowerCamelCase  )
       elif isinstance(_lowerCamelCase,       _lowerCamelCase  ):
         token_list.extend(_lowerCamelCase  )

     if len(_lowerCamelCase  ) == 0:
       return None
     else:
       return token_list


   def 				_SCREAMING_SNAKE_CASE				(	self :     Optional[Any],       _lowerCamelCase :     Optional[List[int]]  ):

     '''simple docstring'''
     self.init_state()

     if token_ids is not None:
       for token in token_ids:
         # completes or steps **one** constraint
         __A			,    __A									= self.add(_lowerCamelCase  )

         # the entire list of constraints are fulfilled
         if self.completed:
           break


   def 				_SCREAMING_SNAKE_CASE				(	self :     str,       _lowerCamelCase :     int  ):

     '''simple docstring'''
     if not isinstance(_lowerCamelCase,       _lowerCamelCase  ):
       raise ValueError(f'`token_id` should be an `int`, but is `{token_id}`.'  )

     __A			,    __A									= False, False

     if self.completed:
       __A									= True
       __A									= False
       return complete, stepped

     if self.inprogress_constraint is not None:
       # In the middle of fulfilling a constraint. If the `token_id` *does* makes an incremental progress to current
       # job, simply update the state

       __A			,    __A			,    __A									= self.inprogress_constraint.update(_lowerCamelCase  )
       if reset:
         # 1. If the next token breaks the progress, then we must restart.
         #     e.g. constraint = "I love pies" and sequence so far is "I love" but `token_id` == "books".

         #     But that doesn't mean we self.init_state(), since we only reset the state for this particular
         #     constraint, not the full list of constraints.

         self.pending_constraints.append(self.inprogress_constraint.copy(stateful=_lowerCamelCase  )  )
         __A									= None

       if complete:
         # 2. If the next token completes the constraint, move it to completed list, set
         #     inprogress to None. If there are no pending constraints either, then this full list of constraints
         #     is complete.

         self.complete_constraints.append(self.inprogress_constraint  )
         __A									= None

         if len(self.pending_constraints  ) == 0:
           # we're done!
           __A									= True

     else:
       # Not in the middle of fulfilling a constraint. So does this `token_id` helps us step towards any of our list
       # of constraints?

       for cidx, pending_constraint in enumerate(self.pending_constraints  ):
         if pending_constraint.does_advance(_lowerCamelCase  ):
           __A			,    __A			,    __A									= pending_constraint.update(_lowerCamelCase  )

           if not stepped:
             raise Exception(
                 '''`constraint.update(token_id)` is not yielding incremental progress, '''
                 '''even though `constraint.does_advance(token_id)` is true.'''  )

           if complete:
             self.complete_constraints.append(_lowerCamelCase  )
             __A									= None

           if not complete and stepped:
             __A									= pending_constraint

           if complete or stepped:
             # If we made any progress at all, then it's at least not a "pending constraint".

             __A									= (
                 self.pending_constraints[:cidx] + self.pending_constraints[cidx + 1 :]
             )

             if len(self.pending_constraints  ) == 0 and self.inprogress_constraint is None:
               # If there's no longer any pending after this and no inprogress either, then we must be
               # complete.

               __A									= True

             break  # prevent accidentally stepping through multiple constraints with just one token.

     return complete, stepped






   def 				_SCREAMING_SNAKE_CASE				(	self :     Optional[Any],       _lowerCamelCase :     List[str]=True  ):

     '''simple docstring'''
     __A									= ConstraintListState(self.constraints  )  # we actually never though self.constraints objects
     # throughout this process. So it's at initialization state.

     if stateful:
       __A									= [
           constraint.copy(stateful=_lowerCamelCase  ) for constraint in self.complete_constraints
       ]
       if self.inprogress_constraint is not None:
         __A									= self.inprogress_constraint.copy(stateful=_lowerCamelCase  )
       __A									= [constraint.copy() for constraint in self.pending_constraints]

     return new_state












"""simple docstring"""


import re



def 					lowerCAmelCase				(    __UpperCamelCase ):




  """simple docstring"""







  return [char.split() for char in re.split(r'''[^ a-z A-Z 0-9 \s]'''		,       str_ )]



def 					lowerCAmelCase				(    __UpperCamelCase ):




  """simple docstring"""







  __A									= split_input(str_ )
  return "".join(
      [''''''.join([char.capitalize() for char in sub_str] ) for sub_str in string_split] )



def 					lowerCAmelCase				(    __UpperCamelCase		,       __UpperCamelCase		,       __UpperCamelCase ):




  """simple docstring"""







  try:
    __A									= split_input(__UpperCamelCase )
    if upper:
      __A									= ''''''.join(
          [
              separator.join([char.upper() for char in sub_str] )
              for sub_str in string_split
          ] )
    else:
      __A									= ''''''.join(
          [
              separator.join([char.lower() for char in sub_str] )
              for sub_str in string_split
          ] )
    return res_str
  except IndexError:
    return "not valid string"



def 					lowerCAmelCase				(    __UpperCamelCase ):




  """simple docstring"""







  return to_simple_case(__UpperCamelCase )



def 					lowerCAmelCase				(    __UpperCamelCase ):




  """simple docstring"""







  try:
    __A									= to_simple_case(__UpperCamelCase )
    return res_str[0].lower() + res_str[1:]
  except IndexError:
    return "not valid string"



def 					lowerCAmelCase				(    __UpperCamelCase		,       __UpperCamelCase ):




  """simple docstring"""







  return to_complex_case(__UpperCamelCase		,       __UpperCamelCase		,       '''_''' )



def 					lowerCAmelCase				(    __UpperCamelCase		,       __UpperCamelCase ):




  """simple docstring"""







  return to_complex_case(__UpperCamelCase		,       __UpperCamelCase		,       '''-''' )


if __name__ == "__main__":
       __import__('doctest').testmod()




