{"library":"btrees","type":"library","category":null,"description":"BTrees is a Python package that provides a set of scalable, persistent object containers built around a modified BTree data structure. It is heavily optimized for use within ZODB's \"optimistic concurrency\" paradigm, offering efficient storage and retrieval of large mappings by only loading relevant nodes into memory. The current version is 6.3, released on November 16, 2025, with an active release cadence, often aligning with Python version support.","language":"python","status":"active","version":"6.3","tags":["data structure","persistence","B-tree","ZODB","mapping"],"last_verified":"Sat May 23","install":[{"cmd":"pip install BTrees","imports":["from BTrees.OOBTree import OOBTree","from BTrees.IIBTree import IIBTree","from BTrees.IOBTree import IOBTree","from BTrees.OIBTree import OIBTree"]}],"homepage":null,"github":"https://github.com/zopefoundation/BTrees","docs":"https://btrees.readthedocs.io","changelog":"https://github.com/zopefoundation/BTrees/blob/master/CHANGES.rst","pypi":"https://pypi.org/project/btrees/","npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"compatibility":{"summary":{"python_range":"3.10–3.9","success_rate":50,"avg_install_s":2.8,"avg_import_s":0.17,"wheel_type":"wheel"},"url":"https://checklist.day/v1/registry/btrees/compatibility"}}