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[Feature] Dict specs in vmas #2415

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merged 3 commits into from
Sep 4, 2024
Merged

[Feature] Dict specs in vmas #2415

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b807bb7
amend
matteobettini Sep 3, 2024
ac5e5ef
amend
matteobettini Sep 4, 2024
ed585a8
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vmoens Sep 4, 2024
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10 changes: 10 additions & 0 deletions torchrl/envs/libs/vmas.py
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,16 @@ def _vmas_to_torchrl_spec_transform(
device=device,
)
)
elif isinstance(spec, gym_spaces.Dict):
spec_out = {}
for key in spec.keys():
spec_out[key] = _vmas_to_torchrl_spec_transform(
spec[key],
device=device,
categorical_action_encoding=categorical_action_encoding,
)
# the batch-size must be set later
return Composite(spec_out, device=device)
else:
raise NotImplementedError(
f"spec of type {type(spec).__name__} is currently unaccounted for vmas"
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