



"""simple docstring"""







from typing import Any

def     UpperCamelCase_   (   lowerCAmelCase__				:    list   ,       lowerCAmelCase__				:    list   ,       lowerCAmelCase__				:    dict   ,       lowerCAmelCase__				:    dict   ,       lowerCAmelCase__				:    dict   ,       )						->       list:

  """simple docstring"""




  _validation(
      lowerCAmelCase__   ,       lowerCAmelCase__   ,       lowerCAmelCase__   ,       lowerCAmelCase__   ,       lowerCAmelCase__   ,       )
  # Creates data structures and fill initial step
  lowerCAmelCase_       :    dict								=			{}
  lowerCAmelCase_       :    dict								=			{}
  for state in states_space:
    lowerCAmelCase_       :    Union[str, Any]								=			observations_space[0]
    lowerCAmelCase_       :    List[Any]								=			(
        initial_probabilities[state] * emission_probabilities[state][observation]
    )
    lowerCAmelCase_       :    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_       :    Dict								=			observations_space[o]
    lowerCAmelCase_       :    Union[str, Any]								=			observations_space[o - 1]
    for state in states_space:
      # Calculates the argmax for probability function
      lowerCAmelCase_       :    Any								=			''
      lowerCAmelCase_       :    Union[str, Any]								=			-1
      for k_state in states_space:
        lowerCAmelCase_       :    int								=			(
            probabilities[(k_state, prior_observation)]
            * transition_probabilities[k_state][state]
            * emission_probabilities[state][observation]
        )
        if probability > max_probability:
          lowerCAmelCase_       :    int								=			probability
          lowerCAmelCase_       :    Any								=			k_state

            # Update probabilities and pointers dicts
      lowerCAmelCase_       :    List[Any]								=			(
          probabilities[(arg_max, prior_observation)]
          * transition_probabilities[arg_max][state]
          * emission_probabilities[state][observation]
      )

      lowerCAmelCase_       :    Dict								=			arg_max

    # The final observation
  lowerCAmelCase_       :    int								=			observations_space[len(lowerCAmelCase__						) - 1]

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

  # Process pointers backwards
  lowerCAmelCase_       :    Dict								=			last_state
  lowerCAmelCase_       :    Union[str, Any]								=			[]
  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     UpperCamelCase_   (   lowerCAmelCase__				:    Any   ,       lowerCAmelCase__				:    Any   ,       lowerCAmelCase__				:    Any   ,       lowerCAmelCase__				:    Any   ,       lowerCAmelCase__				:    Any   ,       )						->       None:

  """simple docstring"""




  _validate_not_empty(
      lowerCAmelCase__   ,       lowerCAmelCase__   ,       lowerCAmelCase__   ,       lowerCAmelCase__   ,       lowerCAmelCase__   ,       )
  _validate_lists(lowerCAmelCase__   ,       lowerCAmelCase__						)
  _validate_dicts(
      lowerCAmelCase__   ,       lowerCAmelCase__   ,       lowerCAmelCase__						)

def     UpperCamelCase_   (   lowerCAmelCase__				:    Any   ,       lowerCAmelCase__				:    Any   ,       lowerCAmelCase__				:    Any   ,       lowerCAmelCase__				:    Any   ,       lowerCAmelCase__				:    Any   ,       )						->       None:

  """simple docstring"""




  if not all(
      [
          observations_space,
          states_space,
          initial_probabilities,
          transition_probabilities,
          emission_probabilities,
      ]						):
    raise ValueError('There\'s an empty parameter'						)

def     UpperCamelCase_   (   lowerCAmelCase__				:    Any   ,       lowerCAmelCase__				:    Any						)						->       None:

  """simple docstring"""




  _validate_list(lowerCAmelCase__   ,       'observations_space'						)
  _validate_list(lowerCAmelCase__   ,       'states_space'						)

def     UpperCamelCase_   (   lowerCAmelCase__				:    Any   ,       lowerCAmelCase__				:    str						)						->       None:

  """simple docstring"""




  if not isinstance(_object   ,       lowerCAmelCase__						):
    lowerCAmelCase_       :    Optional[int]								=			f"{var_name} must be a list"
    raise ValueError(lowerCAmelCase__						)
  else:
    for x in _object:
      if not isinstance(lowerCAmelCase__   ,       lowerCAmelCase__						):
        lowerCAmelCase_       :    Dict								=			f"{var_name} must be a list of strings"
        raise ValueError(lowerCAmelCase__						)

def     UpperCamelCase_   (   lowerCAmelCase__				:    Any   ,       lowerCAmelCase__				:    Any   ,       lowerCAmelCase__				:    Any   ,       )						->       None:

  """simple docstring"""




  _validate_dict(lowerCAmelCase__   ,       'initial_probabilities'   ,       lowerCAmelCase__						)
  _validate_nested_dict(lowerCAmelCase__   ,       'transition_probabilities'						)
  _validate_nested_dict(lowerCAmelCase__   ,       'emission_probabilities'						)

def     UpperCamelCase_   (   lowerCAmelCase__				:    Any   ,       lowerCAmelCase__				:    str						)						->       None:

  """simple docstring"""




  _validate_dict(_object   ,       lowerCAmelCase__   ,       lowerCAmelCase__						)
  for x in _object.values():
    _validate_dict(lowerCAmelCase__   ,       lowerCAmelCase__   ,       lowerCAmelCase__   ,       lowerCAmelCase__						)

def     UpperCamelCase_   (   lowerCAmelCase__				:    Any   ,       lowerCAmelCase__				:    str   ,       lowerCAmelCase__				:    type   ,       lowerCAmelCase__				:    bool = False						)						->       None:

  """simple docstring"""




  if not isinstance(_object   ,       lowerCAmelCase__						):
    lowerCAmelCase_       :    int								=			f"{var_name} must be a dict"
    raise ValueError(lowerCAmelCase__						)
  if not all(isinstance(lowerCAmelCase__   ,       lowerCAmelCase__						) for x in _object						):
    lowerCAmelCase_       :    List[Any]								=			f"{var_name} all keys must be strings"
    raise ValueError(lowerCAmelCase__						)
  if not all(isinstance(lowerCAmelCase__   ,       lowerCAmelCase__						) for x in _object.values()						):
    lowerCAmelCase_       :    Tuple								=			'nested dictionary ' if nested else ''
    lowerCAmelCase_       :    int								=			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"""







import os

from huggingface_hub.constants import HUGGINGFACE_HUB_CACHE, hf_cache_home


lowercase__		:    int				   =     HUGGINGFACE_HUB_CACHE


lowercase__		:    Tuple				   =     """config.json"""
lowercase__		:    Union[str, Any]				   =     """diffusion_pytorch_model.bin"""
lowercase__		:    List[Any]				   =     """diffusion_flax_model.msgpack"""
lowercase__		:    List[str]				   =     """model.onnx"""
lowercase__		:    List[Any]				   =     """diffusion_pytorch_model.safetensors"""
lowercase__		:    Dict				   =     """weights.pb"""
lowercase__		:    List[Any]				   =     """https://huggingface.co"""
lowercase__		:    List[Any]				   =     default_cache_path
lowercase__		:    Tuple				   =     """diffusers_modules"""
lowercase__		:    Tuple				   =     os.getenv("""HF_MODULES_CACHE""", os.path.join(hf_cache_home, """modules"""))
lowercase__		:    List[str]				   =     ["""fp16""", """non-ema"""]
lowercase__		:    Optional[Any]				   =     """.self_attn"""





