def open_dashboard(experiment_path):
dashboard_path = 'python {}/dashboard.py'.format(get_base_dir())
cmd = "{} --experiment_dir {}".format(dashboard_path, experiment_path)
screen.log_title(
"Opening dashboard - experiment path: {}".format(experiment_path))
# subprocess.Popen(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL, shell=True, executable="/bin/bash")
subprocess.Popen(cmd, shell=True, executable="/bin/bash")
def expand_preset(self, preset):
"""
Replace a short preset name with the full python path, and verify that it can be imported.
"""
if preset.lower() in [p.lower() for p in list_all_presets()]:
preset = "{}.py:graph_manager".format(
os.path.join(get_base_dir(), 'presets', preset))
else:
preset = "{}".format(preset)
# if a graph manager variable was not specified, try the default of :graph_manager
if len(preset.split(":")) == 1:
preset += ":graph_manager"
# verify that the preset exists
preset_path = preset.split(":")[0]
if not os.path.exists(preset_path):
screen.error(
"The given preset ({}) cannot be found.".format(preset))
# verify that the preset can be instantiated
try:
short_dynamic_import(preset, ignore_module_case=True)
except TypeError as e:
traceback.print_exc()
screen.error('Internal Error: ' + str(e) +
"\n\nThe given preset ({}) cannot be instantiated.".
format(preset))
return preset
def parse_arguments(parser: argparse.ArgumentParser) -> argparse.Namespace:
"""
Parse the arguments that the user entered
:param parser: the argparse command line parser
:return: the parsed arguments
"""
args = parser.parse_args()
# if no arg is given
if len(sys.argv) == 1:
parser.print_help()
exit(0)
# list available presets
preset_names = list_all_presets()
if args.list:
screen.log_title("Available Presets:")
for preset in sorted(preset_names):
print(preset)
sys.exit(0)
# replace a short preset name with the full path
if args.preset is not None:
if args.preset.lower() in [p.lower() for p in preset_names]:
args.preset = "{}.py:graph_manager".format(
os.path.join(get_base_dir(), 'presets', args.preset))
else:
args.preset = "{}".format(args.preset)
# if a graph manager variable was not specified, try the default of :graph_manager
if len(args.preset.split(":")) == 1:
args.preset += ":graph_manager"
# verify that the preset exists
preset_path = args.preset.split(":")[0]
if not os.path.exists(preset_path):
screen.error("The given preset ({}) cannot be found.".format(
args.preset))
# verify that the preset can be instantiated
try:
short_dynamic_import(args.preset, ignore_module_case=True)
except TypeError as e:
traceback.print_exc()
screen.error('Internal Error: ' + str(e) +
"\n\nThe given preset ({}) cannot be instantiated.".
format(args.preset))
# validate the checkpoints args
if args.checkpoint_restore_dir is not None and not os.path.exists(
args.checkpoint_restore_dir):
screen.error(
"The requested checkpoint folder to load from does not exist.")
# no preset was given. check if the user requested to play some environment on its own
if args.preset is None and args.play:
if args.environment_type:
args.agent_type = 'Human'
else:
screen.error(
'When no preset is given for Coach to run, and the user requests human control over '
'the environment, the user is expected to input the desired environment_type and level.'
'\nAt least one of these parameters was not given.')
elif args.preset and args.play:
screen.error(
"Both the --preset and the --play flags were set. These flags can not be used together. "
"For human control, please use the --play flag together with the environment type flag (-et)"
)
elif args.preset is None and not args.play:
screen.error(
"Please choose a preset using the -p flag or use the --play flag together with choosing an "
"environment type (-et) in order to play the game.")
# get experiment name and path
args.experiment_name = logger.get_experiment_name(args.experiment_name)
args.experiment_path = logger.get_experiment_path(args.experiment_name)
if args.play and args.num_workers > 1:
screen.warning(
"Playing the game as a human is only available with a single worker. "
"The number of workers will be reduced to 1")
args.num_workers = 1
args.framework = Frameworks[args.framework.lower()]
# checkpoints
args.save_checkpoint_dir = os.path.join(
args.experiment_path,
'checkpoint') if args.save_checkpoint_secs is not None else None
return args
