Activate SWMR on all platforms

LaurentRDC · Dec 17, 2020 · 814ef9d · 814ef9d
1 parent 4df00e2
commit 814ef9d
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Showing 3 changed files with 3 additions and 4 deletions.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -51,11 +51,11 @@ jobs:
         python -m pip install --upgrade pip
         pip install numpy wheel
         pip install -r requirements.txt
+        pip install -r dev-requirements.txt
 
     # Note the use of the -Wa flag to show DeprecationWarnings
     - name: Unit tests
       run: |
-        pip install -r dev-requirements.txt
         python setup.py install
         cd ~
         python -Wa -m pytest --pyargs iris

diff --git a/CHANGELOG.rst b/CHANGELOG.rst
@@ -1,6 +1,7 @@
 5.2.5
 -----
 
+* Parallel operations on datasets (via HDF5 single-writer multiple-reader) is now possible on all platforms. 
 * Code snippets in documentation are now tested for correctness.
 * Migration of test infrastructure to pytest.
 * Tests are now included in source distributions.

diff --git a/iris/dataset.py b/iris/dataset.py
@@ -29,9 +29,7 @@
 
 # Whether or not single-writer multiple-reader (SWMR) mode is available
 # See http://docs.h5py.org/en/latest/swmr.html for more information
-SWMR_AVAILABLE = (h5py.version.hdf5_version_tuple > (1, 10, 0)) and (
-    platform == "win32"
-)
+SWMR_AVAILABLE = h5py.version.hdf5_version_tuple > (1, 10, 0)
 
 
 class DiffractionDataset(h5py.File, metaclass=MetaHDF5Dataset):