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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
600268506 MDU6SXNzdWU2MDAyNjg1MDY= 3974 load_dataset fails when filename is unicode pnsaevik 12728107 closed 0     4 2020-04-15T12:42:49Z 2022-05-06T08:13:04Z 2022-05-06T08:13:04Z NONE      

It seems like xarray does not handle unicode file names. The error is present even if the unicode characters appear in the parent path.

MCVE Code Sample

python import xarray as xr import os xr.Dataset().to_netcdf('caesar.nc') os.rename('caesar.nc', 'cæsar.nc') try: xr.load_dataset('cæsar.nc') print('Success') except FileNotFoundError: print('File not found')

Expected Output

'Success'

Actual Output

'File not found'

Problem Description

xarray does not recognize file names with unicode letters

Versions

Output of `xr.show_versions()` INSTALLED VERSIONS ------------------ commit: None python: 3.7.7 (default, Mar 23 2020, 23:19:08) [MSC v.1916 64 bit (AMD64)] python-bits: 64 OS: Windows OS-release: 10 machine: AMD64 processor: Intel64 Family 6 Model 158 Stepping 9, GenuineIntel byteorder: little LC_ALL: None LANG: None LOCALE: None.None libhdf5: 1.10.4 libnetcdf: 4.6.1 xarray: 0.15.1 pandas: 1.0.3 numpy: 1.18.1 scipy: 1.4.1 netCDF4: 1.4.2 pydap: None h5netcdf: None h5py: 2.10.0 Nio: None zarr: None cftime: 1.1.1.1 nc_time_axis: None PseudoNetCDF: None rasterio: None cfgrib: None iris: None bottleneck: None dask: 2.14.0 distributed: 2.14.0 matplotlib: 3.1.0 cartopy: 0.17.0 seaborn: None numbagg: None setuptools: 46.1.3.post20200330 pip: 20.0.2 conda: 4.8.3 pytest: 5.4.1 IPython: 7.13.0 sphinx: None 
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   completed xarray 13221727 issue
935773022 MDU6SXNzdWU5MzU3NzMwMjI= 5566 xarray fails on Travis CI pnsaevik 12728107 closed 0     4 2021-07-02T13:28:41Z 2021-07-02T19:27:59Z 2021-07-02T19:21:06Z NONE      

Hi,

I have a project build on xarray that now fails on travis. It only fails on python 3.7. Have no idea why.

Minimal sample travis.yml that still fails:

language: python python: - "3.7"

install: - python --version - pip --version - pip install --upgrade setuptools numpy - pip install xarray - pip list

script: - python -c "import xarray"

Error message (stack trace):

Traceback (most recent call last): File "<string>", line 1, in <module> File "/home/travis/virtualenv/python3.7.1/lib/python3.7/site-packages/xarray/init.py", line 3, in <module> from . import testing, tutorial, ufuncs File "/home/travis/virtualenv/python3.7.1/lib/python3.7/site-packages/xarray/testing.py", line 8, in <module> from xarray.core import duck_array_ops, formatting, utils File "/home/travis/virtualenv/python3.7.1/lib/python3.7/site-packages/xarray/core/duck_array_ops.py", line 16, in <module> from . import dask_array_compat, dask_array_ops, dtypes, npcompat, nputils File "/home/travis/virtualenv/python3.7.1/lib/python3.7/site-packages/xarray/core/npcompat.py", line 81, in <module> from numpy.typing import ArrayLike, DTypeLike File "/home/travis/virtualenv/python3.7.1/lib/python3.7/site-packages/numpy/typing/init.py", line 315, in <module> from ._shape import _Shape, _ShapeLike File "/home/travis/virtualenv/python3.7.1/lib/python3.7/site-packages/numpy/typing/_shape.py", line 15, in <module> _ShapeLike = Union[SupportsIndex, Sequence[SupportsIndex]] File "/opt/python/3.7.1/lib/python3.7/typing.py", line 251, in inner return func(args, *kwds) File "/opt/python/3.7.1/lib/python3.7/typing.py", line 626, in getitem params = tuple(_type_check(p, msg) for p in params) File "/opt/python/3.7.1/lib/python3.7/typing.py", line 626, in <genexpr> params = tuple(_type_check(p, msg) for p in params) File "/opt/python/3.7.1/lib/python3.7/typing.py", line 139, in _type_check raise TypeError(f"{msg} Got {arg!r:.100}.") TypeError: Parameters to generic types must be types. Got NotImplemented. The command "python -c "import xarray"" exited with 1.

 
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   completed xarray 13221727 issue

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