Package: python3-xarray
Version: 0.9.2-1
Severity: serious
Control: tags -1 upstream
Two netcdf tests fail in current sid (see log below).
This is known upstream as https://github.com/pydata/xarray/issues/1721 ,
according to which the actual problem is that scipy has been writing
netcdf files with invalid padding for some time (
https://github.com/scipy/scipy/pull/8170 ), and netcdf 4.5 rejects such
invalid files ( https://github.com/Unidata/netcdf-c/issues/657 ).
netcdf have since reverted this change, and a patch has been posted for
the original scipy bug, but given that neither of these are xarray's
fault it might make most sense to temporarily disable these tests.
=================================== FAILURES
===================================
__________ GenericNetCDFDataTest.test_cross_engine_read_write_netcdf3
__________
self = <xarray.tests.test_backends.GenericNetCDFDataTest
testMethod=test_cross_engine_read_write_netcdf3>
def test_cross_engine_read_write_netcdf3(self):
data = create_test_data()
valid_engines = set()
if has_netCDF4:
valid_engines.add('netcdf4')
if has_scipy:
valid_engines.add('scipy')
for write_engine in valid_engines:
for format in ['NETCDF3_CLASSIC', 'NETCDF3_64BIT']:
with create_tmp_file() as tmp_file:
data.to_netcdf(tmp_file, format=format,
engine=write_engine)
for read_engine in valid_engines:
with open_dataset(tmp_file,
> engine=read_engine) as actual:
xarray/tests/test_backends.py:977:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _
xarray/backends/api.py:291: in open_dataset
autoclose=autoclose)
xarray/backends/netCDF4_.py:210: in __init__
self.ds = opener()
xarray/backends/netCDF4_.py:185: in _open_netcdf4_group
ds = nc4.Dataset(filename, mode=mode, **kwargs)
netCDF4/_netCDF4.pyx:2015: in netCDF4._netCDF4.Dataset.__init__
???
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _
> ???
E OSError: [Errno -36] NetCDF: Invalid argument:
b'/tmp/tmpmgjj7gx5/temp-88.nc'
netCDF4/_netCDF4.pyx:1636: OSError
___
GenericNetCDFDataTestAutocloseTrue.test_cross_engine_read_write_netcdf3 ____
self = <xarray.tests.test_backends.GenericNetCDFDataTestAutocloseTrue
testMethod=test_cross_engine_read_write_netcdf3>
def test_cross_engine_read_write_netcdf3(self):
data = create_test_data()
valid_engines = set()
if has_netCDF4:
valid_engines.add('netcdf4')
if has_scipy:
valid_engines.add('scipy')
for write_engine in valid_engines:
for format in ['NETCDF3_CLASSIC', 'NETCDF3_64BIT']:
with create_tmp_file() as tmp_file:
data.to_netcdf(tmp_file, format=format,
engine=write_engine)
for read_engine in valid_engines:
with open_dataset(tmp_file,
> engine=read_engine) as actual:
xarray/tests/test_backends.py:977:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _
xarray/backends/api.py:291: in open_dataset
autoclose=autoclose)
xarray/backends/netCDF4_.py:210: in __init__
self.ds = opener()
xarray/backends/netCDF4_.py:185: in _open_netcdf4_group
ds = nc4.Dataset(filename, mode=mode, **kwargs)
netCDF4/_netCDF4.pyx:2015: in netCDF4._netCDF4.Dataset.__init__
???
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _
> ???
E OSError: [Errno -36] NetCDF: Invalid argument:
b'/tmp/tmpfc4acgiv/temp-93.nc'
netCDF4/_netCDF4.pyx:1636: OSError
(followed by a few more failures that look like #871208 - see there)
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