Fix CF writer crashing with netcdf devel

sfinkens · Oct 31, 2024 · 4ca81ca · 4ca81ca
1 parent e0eb086
commit 4ca81ca
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/satpy/tests/writer_tests/test_cf.py b/satpy/tests/writer_tests/test_cf.py
@@ -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")

diff --git a/satpy/writers/cf_writer.py b/satpy/writers/cf_writer.py
@@ -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")
     return {
         "netCDF4": Version(netCDF4.__version__),
-        "libnetcdf": Version(netCDF4.__netcdf4libversion__),
+        "libnetcdf": Version(libnetcdf_version),
         "xarray": Version(xr.__version__)
     }