Add plugin system for third-party environments #2383
Merged
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Most of the discussion is at #2345.
This is a reference implementation of this system. One major thing has changed from #2345. Instead of having a blank key for internal environments (which actually isn't possible), I have two entry points.
gym.envs
for all third-party environments with strict namespacing imposed on registration.gym.envs.internal
for packages that are part of a whitelist (e.g.,ale-py
) which can register into the root namespace, i.e., there are no namespace restrictions imposed.Thoughts?