Python-Blosc2 is a high-performance compressed ndarray library with a flexible compute engine, using C-Blosc2 as its compression backend. It allows complex calculations on compressed data, whether stored in memory, on disk, or over the network (e.g., via Caterva2). It uses the C-Blosc2 simple and open format for storing compressed data.
More info: https://www.blosc.org/python-blosc2/getting_started/overview.html
Binary packages are available for major OSes (Win, Mac, Linux) and platforms. Install from PyPi using pip:
pip install blosc2 --upgrade
Conda users can install from conda-forge:
conda install -c conda-forge python-blosc2
The documentation is available here:
https://blosc.org/python-blosc2/python-blosc2.html
You can find examples at:
https://github.com/Blosc/python-blosc2/tree/main/examples
A tutorial from PyData Global 2024 is available at:
https://github.com/Blosc/Python-Blosc2-3.0-tutorial
It contains Jupyter notebooks explaining the main features of Python-Blosc2.
This software is licensed under a 3-Clause BSD license. A copy of the python-blosc2 license can be found in LICENSE.txt.
Discussion about this package is welcome at:
https://github.com/Blosc/python-blosc2/discussions
Stay informed about the latest developments by following us in Mastodon, Bluesky or LinkedIn.
Blosc2 is supported by the NumFOCUS foundation, the LEAPS-INNOV project and ironArray SLU, among many other donors. This allowed the following people have contributed in an important way to the core development of the Blosc2 library:
In addition, other people have participated to the project in different aspects:
You can cite our work on the various libraries under the Blosc umbrella as follows:
@ONLINE{blosc,
author = {{Blosc Development Team}},
title = "{A fast, compressed and persistent data store library}",
year = {2009-2025},
note = {https://blosc.org}
} Support Blosc for a Sustainable Future
If you find Blosc useful and want to support its development, please consider making a donation or contract to the Blosc Development Team Thank you!
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