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id node_id number title user state locked assignee milestone comments created_at updated_at ▲ closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
528154893 MDU6SXNzdWU1MjgxNTQ4OTM= 3572 Context manager `AttributeError` when engine='h5netcdf' gerritholl 500246 closed 0     2 2019-11-25T15:19:29Z 2019-11-25T16:12:37Z 2019-11-25T16:12:37Z CONTRIBUTOR      

Opening this NetCDF file works fine with the default engine, but fails with AttributeError with the h5netcdf engine:

MCVE Code Sample

Data available from EUMETSAT: https://www.eumetsat.int/website/home/Satellites/FutureSatellites/MeteosatThirdGeneration/MTGData/MTGUserTestData/index.html --> ftp://ftp.eumetsat.int/pub/OPS/out/test-data/Test-data-for-External-Users/MTG_FCI_Test-Data/ --> uncompressed

```python

import xarray f = "/path/to/.../W_XX-EUMETSAT-Darmstadt,IMG+SAT,MTI1+FCI-1C-RRAD-FDHSI-FD--CHK-BODY--L2P-NC4E_C_EUMT_20170410114434_GTT_DEV_20170410113925_20170410113934_N__C_0070_0067.nc" ds = xarray.open_dataset(f, engine="h5netcdf") ```

Expected Output

No output at all.

Problem Description

Results in AttributeError:

Traceback (most recent call last): File "mwe4.py", line 3, in <module> with xarray.open_dataset(f, engine="h5netcdf") as ds: File "/media/nas/x21324/miniconda3/envs/py37e/lib/python3.7/site-packages/xarray/backends/api.py", line 535, in open_dataset ds = maybe_decode_store(store) File "/media/nas/x21324/miniconda3/envs/py37e/lib/python3.7/site-packages/xarray/backends/api.py", line 450, in maybe_decode_store use_cftime=use_cftime, File "/media/nas/x21324/miniconda3/envs/py37e/lib/python3.7/site-packages/xarray/conventions.py", line 570, in decode_cf vars, attrs = obj.load() File "/media/nas/x21324/miniconda3/envs/py37e/lib/python3.7/site-packages/xarray/backends/common.py", line 123, in load (_decode_variable_name(k), v) for k, v in self.get_variables().items() File "/media/nas/x21324/miniconda3/envs/py37e/lib/python3.7/site-packages/xarray/backends/h5netcdf_.py", line 156, in get_variables (k, self.open_store_variable(k, v)) for k, v in self.ds.variables.items() File "/media/nas/x21324/miniconda3/envs/py37e/lib/python3.7/site-packages/xarray/core/utils.py", line 402, in FrozenDict return Frozen(dict(*args, **kwargs)) File "/media/nas/x21324/miniconda3/envs/py37e/lib/python3.7/site-packages/xarray/backends/h5netcdf_.py", line 156, in <genexpr> (k, self.open_store_variable(k, v)) for k, v in self.ds.variables.items() File "/media/nas/x21324/miniconda3/envs/py37e/lib/python3.7/site-packages/xarray/backends/h5netcdf_.py", line 120, in open_store_variable dimensions = var.dimensions File "/media/nas/x21324/miniconda3/envs/py37e/lib/python3.7/site-packages/h5netcdf/core.py", line 114, in dimensions self._dimensions = self._lookup_dimensions() File "/media/nas/x21324/miniconda3/envs/py37e/lib/python3.7/site-packages/h5netcdf/core.py", line 98, in _lookup_dimensions for axis, dim in enumerate(self._h5ds.dims): AttributeError: 'Datatype' object has no attribute 'dims'

Output of xr.show_versions()

INSTALLED VERSIONS ------------------ commit: None python: 3.7.3 | packaged by conda-forge | (default, Jul 1 2019, 21:52:21) [GCC 7.3.0] python-bits: 64 OS: Linux OS-release: 4.12.14-lp150.12.79-default machine: x86_64 processor: x86_64 byteorder: little LC_ALL: None LANG: en_GB.UTF-8 LOCALE: en_GB.UTF-8 libhdf5: 1.10.5 libnetcdf: 4.7.1 xarray: 0.14.1 pandas: 0.25.3 numpy: 1.17.3 scipy: 1.3.2 netCDF4: 1.5.3 pydap: None h5netcdf: 0.7.4 h5py: 2.10.0 Nio: None zarr: 2.3.2 cftime: 1.0.4.2 nc_time_axis: None PseudoNetCDF: None rasterio: 1.1.0 cfgrib: None iris: None bottleneck: None dask: 2.8.0 distributed: 2.8.0 matplotlib: 3.1.2 cartopy: 0.17.0 seaborn: None numbagg: None setuptools: 41.6.0.post20191101 pip: 19.3.1 conda: None pytest: 5.3.0 IPython: 7.9.0 sphinx: 2.2.1 
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   completed xarray 13221727 issue

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