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Fix CF writer crashing with netcdf development version #2961

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merged 2 commits into from
Nov 4, 2024
Merged

Fix CF writer crashing with netcdf development version #2961

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4ca81ca
Fix CF writer crashing with netcdf devel
sfinkens Oct 31, 2024
8df630d
Make libnetcdf version parsing more robust
sfinkens Nov 1, 2024
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2 changes: 1 addition & 1 deletion satpy/tests/writer_tests/test_cf.py
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Expand Up @@ -542,7 +542,7 @@ def test_no_warning_if_backends_match(self, scene, filename, monkeypatch):
import netCDF4
with monkeypatch.context() as m:
m.setattr(netCDF4, "__version__", "1.6.0")
m.setattr(netCDF4, "__netcdf4libversion__", "4.9.0")
m.setattr(netCDF4, "__netcdf4libversion__", "4.9.0-development")
m.setattr(xr, "__version__", "2022.12.0")
with warnings.catch_warnings():
scene.save_datasets(filename=filename, writer="cf")
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5 changes: 4 additions & 1 deletion satpy/writers/cf_writer.py
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Expand Up @@ -390,8 +390,11 @@ def _backend_versions_match():

def _get_backend_versions():
import netCDF4

# Make libnetcdf development version compatible with PEP440
libnetcdf_version = netCDF4.__netcdf4libversion__.replace("development", "dev")
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return {
"netCDF4": Version(netCDF4.__version__),
"libnetcdf": Version(netCDF4.__netcdf4libversion__),
"libnetcdf": Version(libnetcdf_version),
"xarray": Version(xr.__version__)
}
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