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Misc changes to prepare for 2.4.0 beta release
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Announcing HDF5 for Python (h5py) 2.3.0 | ||
======================================= | ||
Announcing HDF5 for Python (h5py) 2.4.0 BETA | ||
============================================ | ||
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The h5py team is happy to announce the availability of h5py 2.3.0 (final). | ||
Thanks to everyone who provided beta feedback! | ||
The h5py team is happy to announce the availability of h5py 2.4.0 (beta). | ||
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What's h5py? | ||
------------ | ||
This beta version will be available for approximately two weeks. Because | ||
of the substantial number of changes to the code base, we welcome feedback, | ||
particularly from MPI users. | ||
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The h5py package is a Pythonic interface to the HDF5 binary data format. | ||
Documentation for the beta is at: | ||
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http://docs.h5py.org/en/latest/ | ||
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It lets you store huge amounts of numerical data, and easily manipulate | ||
that data from NumPy. For example, you can slice into multi-terabyte | ||
datasets stored on disk, as if they were real NumPy arrays. Thousands of | ||
datasets can be stored in a single file, categorized and tagged however | ||
you want. | ||
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Changes | ||
------- | ||
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This release introduces some important new features, including: | ||
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* Support for arbitrary vlen data | ||
* Improved exception messages | ||
* Improved setuptools support | ||
* Multiple additions to the low-level API | ||
* Improved support for MPI features | ||
* Single-step build for HDF5 on Windows | ||
This release incorporates a total re-write of the identifier management | ||
system in h5py. As part of this refactoring, the entire API is also now | ||
protected by threading locks. User-visible changes include: | ||
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Major fixes since beta: | ||
* Files are now automatically closed when all objects within them | ||
are unreachable. Previously, if File.close() was not explicitly closed, | ||
files would remain open and "leaks" were possible if the File object | ||
was lost. | ||
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* LZF compression crash on Win64 | ||
* Unhelpful error message relating to chunked storage | ||
* Import error for IPython completer on certain platforms | ||
* The entire API is now believed to be thread-safe (feedback welcome!). | ||
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A complete description of changes is available online: | ||
* External links now work if the target file is already open. Previously | ||
this was not possible because of a mismatch in the file close strengths. | ||
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* The options to setup.py have changed; a new top-level "configure" | ||
command handles options like --hdf5=/path/to/hdf5 and --mpi. Setup.py | ||
now works correctly under Python 3 when these options are used. | ||
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* Cython (0.17 ) is now required when building from source. | ||
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* The minimum NumPy version is now 1.6.1. | ||
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http://docs.h5py.org/en/latest/whatsnew/2.3.html | ||
* Various other enhancements and bug fixes | ||
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Where to get it | ||
--------------- | ||
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Downloads, documentation, and more are available at the h5py website: | ||
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http://www.h5py.org | ||
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Acknowledgements | ||
---------------- | ||
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The h5py package relies on third-party testing and contributions. For the | ||
2.3 release, thanks especially to: | ||
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* Martin Teichmann | ||
* Florian Rathgerber | ||
* Pierre de Buyl | ||
* Thomas Caswell | ||
* Andy Salnikov | ||
* Darren Dale | ||
* Robert David Grant | ||
* Toon Verstraelen | ||
* Many others who contributed bug reports and testing |
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import sys | ||
import numpy | ||
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version = "2.4.0a0" | ||
version = "2.4.0b1" | ||
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_exp = _sv(version) | ||
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