Change xarray requirements

xarray==0.20.0 does not recognize backend. See also pydata/xarray#5930
exabl · Nov 3, 2021 · 6260131 · 6260131
1 parent c3fd328
commit 6260131
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/setup.cfg b/setup.cfg
@@ -28,7 +28,7 @@ classifiers =
 python_requires = >= 3.7
 packages = find:
 install_requires =
-    xarray >= 0.15
+    xarray >= 0.19.0, != 0.20.0
     pydantic >= 1.8.1
 
 setup_requires =

diff --git a/tests/test_dataset.py b/tests/test_dataset.py
@@ -55,7 +55,13 @@ def test_nek_ext_regex():
     assert pattern.match("case0.f12345")
 
 
-def test_xarray_backend(test_data_dir):
+def test_xarray_plugin_entrypoint():
+    plugins = xr.backends.plugins
+    assert "pymech" in plugins.list_engines()
+    assert plugins.get_backend("pymech")
+
+
+def test_xarray_open_dataset(test_data_dir):
     # With engine explicitly mentioned
     xr.open_dataset(f"{test_data_dir}/nek/channel3D_0.f00001", engine="pymech")