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Merge pull request #1978 from takluyver/rever-3.5
Prepare to release 3.5
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What's new in h5py 3.5 | ||
====================== | ||
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New features | ||
------------ | ||
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* Datasets are now created without timestamps by default, making it easier to | ||
create more consistent files. Pass ``track_times=True`` to | ||
:meth:`.Group.create_dataset` to add timestamps again. | ||
* Added ``locking`` :class:`.File` argument to select HDF5 file locking behavior. | ||
* Enable setting file space page size when creating new HDF5 files. A new named | ||
argument ``fs_page_size`` is added to the :class:`.File` class. | ||
* Enable HDF5 page buffering, a low-level caching feature that may improve | ||
overall I/O performance in some cases. Three new named arguments are added to | ||
the :class:`.File` class: ``page_buf_size``, ``min_meta_keep``, and ``min_raw_keep``. | ||
* Get and reset HDF5 page buffering statistics. Available as the low-level API | ||
of the :class:`.FileID` class. | ||
* The built-in ``reversed()`` function now works with various dictionary-like | ||
interfaces: :class:`.Group`, :class:`.GroupID`, :meth:`.Group.keys`, | ||
:meth:`.Group.values` and :meth:`.Group.items`. | ||
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Exposing HDF5 functions | ||
----------------------- | ||
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* ``H5Pset_file_locking`` and ``H5Pget_file_locking`` (for HDF5 >= 1.12.1 or 1.10.x >= 1.10.7) | ||
* ``H5Freset_page_buffering_stats`` | ||
* ``H5Fget_page_buffering_stats`` | ||
* ``H5Pset_file_space_page_size`` | ||
* ``H5Pget_file_space_page_size`` | ||
* ``H5Pset_page_buffer_size`` | ||
* ``H5Pget_page_buffer_size`` | ||
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Breaking changes & deprecations | ||
------------------------------- | ||
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* Dataset timestamps are no longer written by default for new datasets. Pass | ||
``track_times=True`` to :meth:`.Group.create_dataset` if you need them. | ||
* The IPython completer code no longer tries to work with very old versions of | ||
IPython (before 1.0). | ||
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Bug fixes | ||
--------- | ||
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* Fix a memory leak when reading data. This particularly affected code making | ||
many small reads. | ||
* ``dataset == array`` now behaves the same way as ``array == dataset``: the | ||
HDF5 dataset is read and NumPy makes a boolean array. | ||
* The IPython completer code no longer imports the ``readline`` module. |
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@@ -8,6 +8,7 @@ These document the changes between minor (or major) versions of h5py. | |
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.. toctree:: | ||
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3.5 | ||
3.4 | ||
3.3 | ||
3.2 | ||
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