Change Log

Version 1.1.1

2026-02-23

This is a bugfix release:

• (main bugfix) extract filename from pyfive S3 Dataset correctly by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/197

• add DOI badge in README by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/194

• add JOSS paper badge in README by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/196

Version 1.1.0

2026-02-10

Highlights

• Add support for pre-commit with mypy and Ruff and start adding type hints by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/173

• Timing + Optimisations + Minor fixes by Bryan Lawrence in https://github.com/NCAS-CMS/pyfive/pull/191

• Add __orthogonal_indexing__ flag by David Hassell in https://github.com/NCAS-CMS/pyfive/issue/171

• Allow negative slices when indexing chunked data by David Hassell in https://github.com/NCAS-CMS/pyfive/pull/170

Other Changes

• [JOSS REVIEW PR] Harmonize depenedncies from environment.yml and pyproject.toml by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/174

• pep639 license by @valeriupredoi in https://github.com/NCAS-CMS/pyfive/pull/180

• add CONTRIBUTING.md file (and contributing guidelines, of course) by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/181

• Documentation consistency fixes by Trevor James Smith in https://github.com/NCAS-CMS/pyfive/pull/175

• Overhaul .gitignore file by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/179

• add link to Pyfive GitHub repository on doc landing page by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/185

• Skip tests if ceda-jasmin s3 storage is offline by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/187

• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in https://github.com/NCAS-CMS/pyfive/pull/188

• Replace python-lzf with python-neo-lzf by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/189

Version 1.0.1

2025-12-18

• Set __version__ attribute dynamically in __init__.py by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/152

• pin numpy>=2 by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/157

• add a pip check by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/159

• Highlight: Test case for corner case file (buffer too small) and add bookkeeping for Fractal Heaps by Kai Mühlbauer in https://github.com/NCAS-CMS/pyfive/pull/160

• update setuptools pins by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/165

• Fix display of p5dump global attributes by Ezequiel Cimadevilla in https://github.com/NCAS-CMS/pyfive/pull/163

Version 1.0.0

2025-11-13

• fix fletcher32, add tests by Kai Mühlbauer in https://github.com/NCAS-CMS/pyfive/pull/133

• add lzf decompress filter by Kai Mühlbauer in https://github.com/NCAS-CMS/pyfive/pull/136

• introduce new H5 types to replace current type-tuples by Kai Mühlbauer in https://github.com/NCAS-CMS/pyfive/pull/122

• mark test_hdf5_filters as flaky by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/141

• add pytest reruns plugin pytest-rerunfailures and minimal settings by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/142

• Optimise when we get access to b-tree by providing lazier view of datasets, access to b-tree location, and new p5dump by Bryan Lawrence in https://github.com/NCAS-CMS/pyfive/pull/138

• Added btree v2 test but skipping it (#137) by Ezequiel Cimadevilla in https://github.com/NCAS-CMS/pyfive/pull/143

• p5dump examples by David Hassell in https://github.com/NCAS-CMS/pyfive/pull/147

• Milestone for v1.0.0 release by Bryan Lawrence in https://github.com/NCAS-CMS/pyfive/pull/148

• Added consolidated metadata functionality by Ezequiel Cimadevilla in https://github.com/NCAS-CMS/pyfive/pull/145

Version 0.9.0

2025-10-17

• use pytest temporary dir factory to write some of the test hdf5 files and move all fixed hdf5 sample data files to tests/data by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/117

• Install netcdf4 from conda-forge and pin netcdf4<1.7.3 in pyproject.toml by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/124

• Support Python 3.14 by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/125

• remove pin on netcdf4 by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/126

• all changes above with review from Kai Mühlbauer and David Hassell

Version 0.8.0

2025-10-07

• Support for Opaque datasets by Bryan Lawrence in https://github.com/NCAS-CMS/pyfive/pull/114 with review from Kai Mühlbauer

Version 0.7.0

2025-10-06

• add joss paper pdf conversion via gha by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/97

• fix changelog to include Kai as contributor to v0.6.0 and change Brian L -> Bryan L (typos) by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/96

• New logo by Valeriu Predoi in https://github.com/NCAS-CMS/pyfive/pull/98

• fix Enum and Empty attributes by Kai Mühlbauer in https://github.com/NCAS-CMS/pyfive/pull/102

• Fix user datatypes (enum, compound) by Kai Mühlbauer in https://github.com/NCAS-CMS/pyfive/pull/105

• Added partial support for compact datasets. by Ezequiel Cimadevilla in https://github.com/NCAS-CMS/pyfive/pull/107

• fix handling of uninitialized vlen strings by Kai Mühlbauer in https://github.com/NCAS-CMS/pyfive/pull/110

• add dataobjects.dtype to DatasetMeta by Kai Mühlbauer in https://github.com/NCAS-CMS/pyfive/pull/112

Version 0.6.0

2025-09-16

• Enumeration Support (https://github.com/NCAS-CMS/pyfive/issues/85 by Bryan Lawrence, Kai Mühlbauer, Brian Maranville))

Version 0.5.1

2025-08-21

• Add a Changelog (https://github.com/NCAS-CMS/pyfive/issues/87 by David Hassell)

• Improved documentation (https://github.com/NCAS-CMS/pyfive/pull/84 by Kai Mühlbauer)

• When getting object by address, do not fully instantiate when iterating (https://github.com/NCAS-CMS/pyfive/pull/83 by Kai Mühlbauer)

• Add documentation for Pyfive (https://github.com/NCAS-CMS/pyfive/pull/81 by Bryan Lawrence)

• Setup documentation builds on Readthedocs (https://github.com/NCAS-CMS/pyfive/pull/80 by Valeriu Predoi)

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Version 0.5.0

2025-07-11

• Add docs basic structure and ancillary files (https://github.com/NCAS-CMS/pyfive/pull/79 by Valeriu Predoi)

• Test codecov CI (https://github.com/NCAS-CMS/pyfive/pull/77 by Valeriu Predoi)

• Setup test coverage reporting via codecov reporting (https://github.com/NCAS-CMS/pyfive/pull/76 by Valeriu Predoi)

• Changes to README to reflect new location and added a PR template (https://github.com/NCAS-CMS/pyfive/pull/74 by Valeriu Predoi)

• PyPI package build GHA package builder (https://github.com/NCAS-CMS/pyfive/pull/73 by Valeriu Predoi)

• Switch from master to main in Github Action test and add GHA PyPI package builder (https://github.com/NCAS-CMS/pyfive/pull/72 by Valeriu Predoi)

• Modernize packaging (https://github.com/NCAS-CMS/pyfive/pull/69 by Valeriu Predoi)

• Functionality enhancements to address lazy loading of chunked data, variable length strings, and other minor bug fixes (https://github.com/NCAS-CMS/pyfive/pull/68 by Bryan Lawrence)

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Version 0.4.0

2024-10-29

• Update README and setup for Python 3.8-3.13 (https://github.com/NCAS-CMS/pyfive/pull/63 by Jonathan Helmus)

• Remove use of deprecated product function from numpy (https://github.com/NCAS-CMS/pyfive/pull/62 by Jonathan Helmus)

• Add Python 3.11 and 3.12 to test matrix in CI (https://github.com/NCAS-CMS/pyfive/pull/57 by Jonathan Helmus)

• Retrieve maxshape for Dataset (https://github.com/NCAS-CMS/pyfive/issues/50 by Brian Maranville)

• Minimal change to avoid a numpy deprecation failure (https://github.com/NCAS-CMS/pyfive/pull/55 by Bryan Lawrence)

• Use name as key for links if creation order is not specified (https://github.com/NCAS-CMS/pyfive/pull/54 by Brian Maranville)

• Filter pipeline description v2 (https://github.com/NCAS-CMS/pyfive/pull/52 by Brian Maranville)

• B-tree v2 for links from LINK_INFO messages (https://github.com/NCAS-CMS/pyfive/issues/46 by Wout De Nolf)

• Fix test errors and warnings, drop support for Python 2.7 (https://github.com/NCAS-CMS/pyfive/pull/44 by Jonathan Helmus)

• Adding an implementation of SoftLink (https://github.com/NCAS-CMS/pyfive/pull/43 by Brian Maranville)

• Property offset is the same for layout_class 1 and 2 (https://github.com/NCAS-CMS/pyfive/pull/42 by Brian Maranville)

• Fix reading of superblock version 3 (https://github.com/NCAS-CMS/pyfive/pull/40 by Jonathan Helmus)

• Support v3 superblocks, minor maintenance (https://github.com/NCAS-CMS/pyfive/pull/39 by Jonathan Helmus)

• Dataset.read_direct method (https://github.com/NCAS-CMS/pyfive/pull/37 by Jonathan Helmus)

• Dataset.astype and Dataset.value methods (https://github.com/NCAS-CMS/pyfive/pull/36 by Jonathan Helmus)

• Access datasets and groups by path (https://github.com/NCAS-CMS/pyfive/issues/15 by Jonathan Helmus)

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Version 0.3.0

2017-09-29

• Split low_level module into multiple smaller modules and refactor (https://github.com/NCAS-CMS/pyfive/pull/34 by Jonathan Helmus)

• Unit tests for resizable datasets (https://github.com/NCAS-CMS/pyfive/pull/33 by Jonathan Helmus)

• Add File, Dataset, and Group __repr__ methods (https://github.com/NCAS-CMS/pyfive/pull/32 by Jonathan Helmus)

• Add visit and visititems methods to Group class (https://github.com/NCAS-CMS/pyfive/pull/31 by Jonathan Helmus)

• Support for reading dataset fillvalues (https://github.com/NCAS-CMS/pyfive/pull/29 by Jonathan Helmus)

• Support for reading and verifting fletcher32 checksums (https://github.com/NCAS-CMS/pyfive/pull/28 by Jonathan Helmus)

• Refactor datatype message funcs into class (https://github.com/NCAS-CMS/pyfive/pull/27 by Jonathan Helmus)

• Support for complex attribute datatypes (https://github.com/NCAS-CMS/pyfive/pull/26 by Jonathan Helmus)

• Refactor attribute value retrieval (https://github.com/NCAS-CMS/pyfive/pull/25 by Jonathan Helmus)

• Dataset.ndim attribute (https://github.com/NCAS-CMS/pyfive/pull/24 by Jonathan Helmus)

• Filename attribute set for file-like objects (https://github.com/NCAS-CMS/pyfive/pull/23 by Jonathan Helmus)

• File can be used as a context manager (https://github.com/NCAS-CMS/pyfive/pull/22 by Jonathan Helmus)

• Support for dimension labels and scales (https://github.com/NCAS-CMS/pyfive/issues/14 by Jonathan Helmus)

• Read variable length sequence attributes (https://github.com/NCAS-CMS/pyfive/pull/20 by Jonathan Helmus)

• Add Python 3.6 to travis matrix (https://github.com/NCAS-CMS/pyfive/pull/19 by Jonathan Helmus)

• Support for reading arrayed attributes (https://github.com/NCAS-CMS/pyfive/pull/18 by Jonathan Helmus)

• Support for Reference attribute types (https://github.com/NCAS-CMS/pyfive/pull/17 by Jonathan Helmus)

• Add support for v1 and v2 data objects (https://github.com/NCAS-CMS/pyfive/pull/16 by synaptic)

• Allow reading from BytesIO objects (https://github.com/NCAS-CMS/pyfive/pull/13 by Jonathan Helmus)

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Version 0.2.0

2016-09-10

• Add chunks attribute to pyfive.Dataset class https://github.com/NCAS-CMS/pyfive/pull/11 by Jonathan Helmus)

• Reading of file-like objects with the tell method (https://github.com/NCAS-CMS/pyfive/issues/5 by Jonathan Helmus)

• Add support for gzip compression and shuffle filter (https://github.com/NCAS-CMS/pyfive/issues/4 by Jonathan Helmus)

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Version 0.1.0

2016-07-26

• First release by Jonathan Helmus