Merge pull request Unidata#1416 from Unidata/py314-test

fix failing tests for python 3.14

Author: jswhit

.github/workflows/build_latest.yml

@@ -14,7 +14,7 @@ jobs:
       #NO_NET: 1
     strategy:
       matrix:
-        python-version: ["3.13"]
+        python-version: ["3.13", "3.14-dev"]
     steps:
 
     - uses: actions/checkout@v4

src/netCDF4/_netCDF4.pyx

@@ -1492,17 +1492,6 @@ _needsworkaround_issue485 = __netcdf4libversion__ < "4.4.0" or \
                (__netcdf4libversion__.startswith("4.4.0") and \
                 "-development" in __netcdf4libversion__)
 
-# issue warning for hdf5 1.10 (issue #549)
-if __netcdf4libversion__[0:5] < "4.4.1" and\
-   __hdf5libversion__.startswith("1.10"):
-    msg = """
-WARNING: Backwards incompatible files will be created with HDF5 1.10.x
-and netCDF < 4.4.1. Upgrading to netCDF4 >= 4.4.1 or downgrading to
-to HDF5 version 1.8.x is highly recommended
-(see https://github.com/Unidata/netcdf-c/issues/250)."""
-    warnings.warn(msg)
-
-
 class NetCDF4MissingFeatureException(Exception):
     """Custom exception when trying to use features missing from the linked netCDF library"""
     def __init__(self, feature: str, version: str):

src/netCDF4/utils.py

@@ -426,11 +426,11 @@ def _StartCountStride(elem, shape, dimensions=None, grp=None, datashape=None,\
 
         #    ITERABLE    #
         elif np.iterable(e) and np.array(e).dtype.kind in 'i':  # Sequence of integers
-            start[...,i] = np.apply_along_axis(lambda x: e*x, i, np.ones(sdim[:-1]))
-            indices[...,i] = np.apply_along_axis(lambda x: np.arange(sdim[i])*x, i, np.ones(sdim[:-1], int))
-
-            count[...,i] = 1
-            stride[...,i] = 1
+            if start[...,i].size:
+                start[...,i] = np.apply_along_axis(lambda x: e*x, i, np.ones(sdim[:-1]))
+                indices[...,i] = np.apply_along_axis(lambda x: np.arange(sdim[i])*x, i, np.ones(sdim[:-1], int))
+                count[...,i] = 1
+                stride[...,i] = 1
 
         #   all that's left is SCALAR INTEGER    #
         else:

test/test_open_mem.py

@@ -17,12 +17,6 @@ def test_mem_open(self):
                     netCDF4.Dataset('foo_bar', memory=nc_bytes)
                 return
 
-            # Needs: https://github.com/Unidata/netcdf-c/pull/400
-            if netCDF4.__netcdf4libversion__ < '4.4.1.2':
-                with self.assertRaises(OSError):
-                    netCDF4.Dataset('foo_bar', memory=nc_bytes)
-                return
-
             with netCDF4.Dataset('foo_bar', memory=nc_bytes) as nc:
                 assert nc.filepath() == 'foo_bar'
                 assert nc.project_summary == 'Dummy netCDF file'