def __init__(self, env_name, record_video=True, video_schedule=None, log_dir=None, record_log=True,
force_reset=False):
if log_dir is None:
if logger.get_snapshot_dir() is None:
logger.log("Warning: skipping Gym environment monitoring since snapshot_dir not configured.")
else:
log_dir = os.path.join(logger.get_snapshot_dir(), "gym_log")
Serializable.quick_init(self, locals())
env = gym.envs.make(env_name)
self.env = env
self.env_id = env.spec.id
monitor_manager.logger.setLevel(logging.WARNING)
assert not (not record_log and record_video)
if log_dir is None or record_log is False:
self.monitoring = False
else:
if not record_video:
video_schedule = NoVideoSchedule()
else:
if video_schedule is None:
video_schedule = CappedCubicVideoSchedule()
self.env = gym.wrappers.Monitor(self.env, log_dir, video_callable=video_schedule, force=True)
self.monitoring = True
self._observation_space = convert_gym_space(env.observation_space)
self._action_space = convert_gym_space(env.action_space)
self._horizon = env.spec.timestep_limit
self._log_dir = log_dir
self._force_reset = force_reset
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