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An ARC Learning Environment built on Gymnasium

Project description

ARCLE - ARC Learning Environment

ARCLE is a lightweight Gymnasium (previously OpenAI Gym) environment for training on ARC(Abstraction and Reasoning Corpus) and ARC-like datasets.

Requirements

Python >= 3.8

Installation

pip install arcle

Changelogs

0.2.5

  • Python 3.8 Support (minimum requirements of Gymnasium)

  • Env Changes

    • Rename ARCEnv into RawARCEnv in this version.
    • Removed MiniARCEnv. Please use RawARCEnv with loader=MiniARCLoader() instead.
    • New ARCEnv added, consisting action space of ARC testing interface given along with the ARC Dataset.
    • States in every environments are fully observable. All state-related instance variables are now in the current_state dictionary.
      • All operations receives state and action, and it changes state in-place.
      • You can deepcopy the state and call env.transition(state_copied, action) to get next state without changing original state on O2ARCv2Env. env.transition will be replaced as separated utility function in the future.
    • n-trial mode added. You canset maximum trials when you call gym.make() by putting argument max_trial=num. Unlimited trial mode is available when it is set by -1 (default).
    • Customizable Submit operation. It is defined in each env class as a method, not in a separated module.
      • You can specify boolean option reset_on_submit in env.reset (default=False)
  • Bug fix

    • FloodFill operation without selection case fixed
    • Paste operation out-of-bound case fixed
    • CopyI operation out-of-bound case fixed
    • Apply patch exception handling

0.2.2

  • Bug fix
    • Default all-or-none reward now gives only when submitted. It affects to existing all environments.

0.2.1

  • O2ARCv2Env-v0
    • Changed ResizeGrid action to CropGrid action
    • Forced FloodFill action to select only one pixel (otherwise, it is NoOP)
    • Now CopyI, CopyO, Paste regards black pixels (pixel value 0) as a background. It copies pixels where the value is nonzero and the pixel is selected.
    • action['selection'] can handle int (automatically casts into np.bool_)
  • Several exceptions handling

0.2.0

  • ArcEnv-v0 & MiniArcEnv-v0 has renamed to ARCEnv-v0 & MiniARCEnv-v0.
  • Changed internal current_grid variable to grid & grid_dim
  • Added O2ARCv2Env-v0 environment.
  • Added O2ARC Actions
    • Uses selection and selected. Some internal variables should be initialized.
    • Color, Flood Fill(DFS Color)
    • Move, Rotate, Flip
    • Copy, Paste and Clipboard Features (For O2ARC)

0.1.1

  • Change Images
  • Fix minor issues

0.1.0

  • Initial Build.
  • ArcEnv-v0 & MiniArcEnv-v0 Launched.

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