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021e2da495
- Adds a `GenericCheckpointMixin` as a helper for implementing the two boundary-traversing Checkpoint API methods, `create_checkpoint` and `restore_checkpoint`. - `GenericFileCheckpointManager` is implemented as a subclass of `FileCheckpointManager` using `GenericCheckpointMixin`. Note that this is the safe subtyping relationship because of method signature *contra*variance: `FileCheckpointManager` accepts `FileContentsManager` in its method signatures type, whereas `GenericFileCheckpointManager` accepts any `ContentsManager`. - Moved Checkpoint-related classes to their own files. |
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|---|---|---|
| .. | ||
| tests | ||
| checkpoints.py | ||
| filecheckpoints.py | ||
| fileio.py | ||
| filemanager.py | ||
| handlers.py | ||
| manager.py | ||