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lancedb/python/CLAUDE.md
Will Jones 3d1f102087 feat: allow Python and Typescript users to create Sessions (#2530)
## Summary
- Exposes `Session` in Python and Typescript so users can set the
`index_cache_size_bytes` and `metadata_cache_size_bytes`
* The `Session` is attached to the `Connection`, and thus shared across
all tables in that connection.
- Adds deprecation warnings for table-level cache configuration


🤖 Generated with [Claude Code](https://claude.ai/code)

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Co-authored-by: Claude <noreply@anthropic.com>
2025-07-24 12:06:29 -07:00

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These are the Python bindings of LanceDB.
The core Rust library is in the `../rust/lancedb` directory, the rust binding
code is in the `src/` directory and the Python bindings are in the `lancedb/` directory.
Common commands:
* Build: `make develop`
* Format: `make format`
* Lint: `make check`
* Fix lints: `make fix`
* Test: `make test`
* Doc test: `make doctest`
Before committing changes, run lints and then formatting.
When you change the Rust code, you will need to recompile the Python bindings: `make develop`.
When you export new types from Rust to Python, you must manually update `python/lancedb/_lancedb.pyi`
with the corresponding type hints. You can run `pyright` to check for type errors in the Python code.