mirror of
https://github.com/Farama-Foundation/Gymnasium.git
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89 lines
2.7 KiB
Python
89 lines
2.7 KiB
Python
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from __future__ import unicode_literals
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from gym import envs, spaces
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import json
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import os
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import sys
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import hashlib
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import logging
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logger = logging.getLogger(__name__)
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from gym.envs.tests.test_envs import should_skip_env_spec_for_tests
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from gym.envs.tests.test_envs_semantics import generate_rollout_hash, hash_object
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DATA_DIR = os.path.join(os.path.dirname(__file__), os.pardir, 'gym', 'envs', 'tests')
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ROLLOUT_STEPS = 100
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episodes = ROLLOUT_STEPS
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steps = ROLLOUT_STEPS
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python_version = sys.version_info.major
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if python_version == 3:
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ROLLOUT_FILE = os.path.join(DATA_DIR, 'rollout_py3.json')
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else:
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ROLLOUT_FILE = os.path.join(DATA_DIR, 'rollout_py2.json')
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if not os.path.isfile(ROLLOUT_FILE):
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with open(ROLLOUT_FILE, "w") as outfile:
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json.dump({}, outfile, indent=2)
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def create_rollout(spec):
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"""
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Takes as input the environment spec for which the rollout is to be generated.
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Returns a bool which indicates whether the new rollout was added to the json file.
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"""
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# Skip platform-dependent Doom environments
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if should_skip_env_spec_for_tests(spec) or 'Doom' in spec.id:
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logger.warn("Skipping tests for {}".format(spec.id))
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return False
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# Skip environments that are nondeterministic
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if spec.nondeterministic:
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logger.warn("Skipping tests for nondeterministic env {}".format(spec.id))
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return False
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# Skip broken environments
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# TODO: look into these environments
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if spec.id in ['PredictObsCartpole-v0', 'InterpretabilityCartpoleObservations-v0']:
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logger.warn("Skipping tests for {}".format(spec.id))
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return False
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with open(ROLLOUT_FILE) as data_file:
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rollout_dict = json.load(data_file)
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# Skip generating rollouts that already exist
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if spec.id in rollout_dict:
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logger.warn("Rollout already exists for {}".format(spec.id))
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return False
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logger.info("Generating rollout for {}".format(spec.id))
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try:
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observations_hash, actions_hash, rewards_hash, dones_hash = generate_rollout_hash(spec)
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except:
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# If running the env generates an exception, don't write to the rollout file
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logger.warn("Exception {} thrown while generating rollout for {}. Rollout not added.".format(sys.exc_info()[0], spec.id))
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return False
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rollout = {}
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rollout['observations'] = observations_hash
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rollout['actions'] = actions_hash
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rollout['rewards'] = rewards_hash
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rollout['dones'] = dones_hash
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rollout_dict[spec.id] = rollout
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with open(ROLLOUT_FILE, "w") as outfile:
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json.dump(rollout_dict, outfile, indent=2)
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return True
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def add_new_rollouts():
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environments = [spec for spec in envs.registry.all() if spec._entry_point is not None]
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for spec in environments:
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create_rollout(spec)
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add_new_rollouts()
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