Add Gymnasium integration spike under roboeval/integrations/gymnasium/ - #2
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Wraps any gymnasium.Env into the EnvironmentAdapter Protocol so policies
can be evaluated against Gymnasium environments through EvalRunner.
Zero changes to existing SDK files.
The adapter performs six translations between the two worlds
(observation, action, outcome, events, seed, options) with sensible
defaults and override hooks. Constructs StepOutcome directly using the
existing 8 fields; namespaces Gymnasium-specific raw data under
info["gymnasium"]. Refuses gym.vector.VectorEnv at construction since
the runner is single-episode.
Files added:
- roboeval/integrations/__init__.py (namespace marker)
- roboeval/integrations/README.md (subpackage strategy)
- roboeval/integrations/gymnasium/__init__.py (public re-exports)
- roboeval/integrations/gymnasium/adapter.py (adapter + 6 default hooks)
- roboeval/integrations/gymnasium/demo_rollout.py (CartPole-v1 demo)
- roboeval/integrations/gymnasium/README.md (usage and mapping table)
- roboeval/integrations/gymnasium/requirements.txt (gymnasium>=0.29)
- roboeval/integrations/gymnasium/notes.md (design rationale, gotchas, follow-ups)
- roboeval/integrations/gymnasium/tests/__init__.py
- roboeval/integrations/gymnasium/tests/test_adapter.py (39 unit + integration tests)
Validate:
python -m roboeval.integrations.gymnasium.demo_rollout
python -m unittest discover -s roboeval/integrations/gymnasium/tests
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Wraps any gymnasium.Env into the EnvironmentAdapter Protocol so policies can be evaluated against Gymnasium environments through EvalRunner. Zero changes to existing SDK files.
The adapter performs six translations between the two worlds (observation, action, outcome, events, seed, options) with sensible defaults and override hooks. Constructs StepOutcome directly using the existing 8 fields; namespaces Gymnasium-specific raw data under info["gymnasium"]. Refuses gym.vector.VectorEnv at construction since the runner is single-episode.
Files added:
Validate:
python -m roboeval.integrations.gymnasium.demo_rollout
python -m unittest discover -s roboeval/integrations/gymnasium/tests