def log_diagnostics(self, paths, *args, **kwargs):
# we call here any logging related to the maze, strip the maze
# obs and call log_diag with the stripped paths we need to log
# the purely gather reward!!
with logger.tabular_prefix('Maze_'):
gather_undiscounted_returns = [
sum(path['env_infos']['outer_rew']) for path in paths
]
logger.record_tabular_misc_stat('Return',
gather_undiscounted_returns,
placement='front')
stripped_paths = []
for path in paths:
stripped_path = {}
for k, v in path.items():
stripped_path[k] = v
stripped_path['observations'] = stripped_path[
'observations'][:, :flat_dim(self.env.observation_space)]
# this breaks if the obs of the robot are d>1 dimensional (not a
# vector)
stripped_paths.append(stripped_path)
with logger.tabular_prefix('wrapped_'):
wrapped_undiscounted_return = np.mean(
[np.sum(path['env_infos']['inner_rew']) for path in paths])
logger.record_tabular('AverageReturn', wrapped_undiscounted_return)
self.env.log_diagnostics(stripped_paths, *args, **kwargs)
def log_diagnostics(self, paths, log_prefix='Gather', *args, **kwargs):
# we call here any logging related to the gather, strip the maze obs
# and call log_diag with the stripped paths we need to log the purely
# gather reward!!
with logger.tabular_prefix(log_prefix + '_'):
gather_undiscounted_returns = [
sum(path['env_infos']['outer_rew']) for path in paths
]
logger.record_tabular_misc_stat('Return',
gather_undiscounted_returns,
placement='front')
stripped_paths = []
for path in paths:
stripped_path = {}
for k, v in path.items():
stripped_path[k] = v
stripped_path['observations'] = \
stripped_path['observations'][
:, :flat_dim(self.wrapped_env.observation_space)]
# this breaks if the obs of the robot are d>1 dimensional (not a
# vector)
stripped_paths.append(stripped_path)
with logger.tabular_prefix('wrapped_'):
if 'env_infos' in paths[0].keys(
) and 'inner_rew' in paths[0]['env_infos'].keys():
wrapped_undiscounted_return = np.mean(
[np.sum(path['env_infos']['inner_rew']) for path in paths])
logger.record_tabular('AverageReturn',
wrapped_undiscounted_return)
self.wrapped_env.log_diagnostics(
stripped_paths
) # see swimmer_env.py for a scketch of the maze plotting!
def test_logger(self):
args = SimpleNamespace()
args.args_data = ""
logger.set_snapshot_dir("exp")
logger.save_itr_params(1, {})
logger.log_parameters_lite("exp-log", args)
logger.log_variant("exp-log", {})
logger.record_tabular_misc_stat("key", 1)