def spec(self, path):
if ":" in path:
mod_name, _, id = path.partition(":")
try:
importlib.import_module(mod_name)
except ModuleNotFoundError:
raise error.Error(
"A module ({}) was specified for the environment but was not found, make sure the package is installed with `pip install` before calling `gym.make()`"
.format(mod_name))
else:
id = path
match = env_id_re.search(id)
if not match:
raise error.Error(
"Attempted to look up malformed environment ID: {}. (Currently all IDs must be of the form {}.)"
.format(id.encode("utf-8"), env_id_re.pattern))
try:
return self.env_specs[id]
except KeyError:
# Parse the env name and check to see if it matches the non-version
# part of a valid env (could also check the exact number here)
env_name = match.group(1)
matching_envs = [
valid_env_name
for valid_env_name, valid_env_spec in self.env_specs.items()
if env_name == valid_env_spec._env_name
]
algorithmic_envs = [
"Copy",
"RepeatCopy",
"DuplicatedInput",
"Reverse",
"ReversedAdiiton",
"ReversedAddition3",
]
toytext_envs = [
"KellyCoinflip",
"KellyCoinflipGeneralized",
"NChain",
"Roulette",
"GuessingGame",
"HotterColder",
]
if matching_envs:
raise error.DeprecatedEnv(
"Env {} not found (valid versions include {})".format(
id, matching_envs))
elif env_name in algorithmic_envs:
raise error.UnregisteredEnv(
"Algorithmic environment {} has been moved out of Gym. Install it via `pip install gym-algorithmic` and add `import gym_algorithmic` before using it."
.format(id))
elif env_name in toytext_envs:
raise error.UnregisteredEnv(
"Toytext environment {} has been moved out of Gym. Install it via `pip install gym-legacy-toytext` and add `import gym_toytext` before using it."
.format(id))
else:
raise error.UnregisteredEnv(
"No registered env with id: {}".format(id))
def spec(self, id):
match = env_id_re.search(id)
if not match:
raise error.Error(
'Attempted to look up malformed environment ID: {}. (Currently all IDs must be of the form {}.)'
.format(id.encode('utf-8'), env_id_re.pattern))
try:
return self.env_specs[id]
except KeyError:
# Parse the env name and check to see if it matches the non-version
# part of a valid env (could also check the exact number here)
env_name = match.group(1)
matching_envs = [
valid_env_name
for valid_env_name, valid_env_spec in self.env_specs.items()
if env_name == valid_env_spec._env_name
]
if matching_envs:
raise error.DeprecatedEnv(
'Env {} not found (valid versions include {})'.format(
id, matching_envs))
else:
raise error.UnregisteredEnv(
'No registered env with id: {}'.format(id))
def spec(self, path):
if ':' in path:
mod_name, _sep, id = path.partition(':')
try:
importlib.import_module(mod_name)
# catch ImportError for python2.7 compatibility
except ImportError:
raise error.Error('A module ({}) was specified for the environment but was not found, make sure the package is installed with `pip install` before calling `gym.make()`'.format(mod_name))
else:
id = path
match = env_id_re.search(id)
if not match:
raise error.Error('Attempted to look up malformed environment ID: {}. (Currently all IDs must be of the form {}.)'.format(id.encode('utf-8'), env_id_re.pattern))
try:
return self.env_specs[id]
except KeyError:
# Parse the env name and check to see if it matches the non-version
# part of a valid env (could also check the exact number here)
env_name = match.group(1)
matching_envs = [valid_env_name for valid_env_name, valid_env_spec in self.env_specs.items()
if env_name == valid_env_spec._env_name]
if matching_envs:
raise error.DeprecatedEnv('Env {} not found (valid versions include {})'.format(id, matching_envs))
else:
raise error.UnregisteredEnv('No registered env with id: {}'.format(id))
def spec(self, id):
match = env_id_re.search(id)
if not match:
raise error.Error(
'Attempted to look up malformed environment ID: {}. (Currently all IDs must be of the form {}.)'
.format(id.encode('utf-8'), env_id_re.pattern))
try:
return self.env_specs[id]
except KeyError:
raise error.UnregisteredEnv(
'No registered env with id: {}'.format(id))
