# xdol

> Extended Data Object Layers - dol-based tools


## Pages in this subsection

- [xdol](xdol.html.md): Extended tools for dol (Data Object Layers)
- [xdol.keys](xdol.keys.html.md): Robust, stable cache keys: turn a call’s inputs into a short, filesystem-safe string.
- [xdol.memoize](xdol.memoize.html.md): Persistent memoization with record/replay modes, for costly calls.
- [xdol.paths](xdol.paths.html.md): Tools for manipulating paths.
- [xdol.pystores](xdol.pystores.html.md): Stores for python objects
- [xdol.registry](xdol.registry.html.md): A typed dict-backed plugin registry.
- [xdol.updating](xdol.updating.html.md): mapping using customizable policies to determine which items to update. It offers
- [xdol.util](xdol.util.html.md): Utility functions for xdol.
- [xdol.x_codecs](xdol.x_codecs.html.md): Extra codecs: object <-> bytes pairs, and stores that apply them.

## Optional

- [Top-level llms.txt](../llms.txt): Complete documentation index.