# ------------------------------------------------------------------------------
# Util class for hyperparams.
# ------------------------------------------------------------------------------

import json

class Params():
  """Class that loads hyperparameters from a json file."""

  def __init__(self, json_path):
    self.update(json_path)

  def save(self, json_path):
    """Saves parameters to json file."""
    with open(json_path, 'w') as f:
      json.dump(self.__dict__, f, indent=4)

  def update(self, json_path):
    """Loads parameters from json file."""
    with open(json_path) as f:
      params = json.load(f)
      self.__dict__.update(params)

  @property
  def dict(self):
    """Gives dict-like access to Params instance."""
    return self.__dict__