issues: 1624527556

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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
1624527556 PR_kwDOAMm_X85MDcTr 7629 Raise PermissionError when insufficient permissions 15375218 closed 0     2 2023-03-15T00:56:58Z 2023-03-26T20:30:32Z 2023-03-26T20:30:31Z CONTRIBUTOR   0 pydata/xarray/pulls/7629
  • [x] Closes #6523
  • [x] User visible changes (including notable bug fixes) are documented in whats-new.rst

Previously

bash (xr) $ chmod 000 testfile.nc (xr) $ python -c 'import xarray as xr f=xr.open_dataarray("testfile.nc").load()' MY_HOME/miniconda3/envs/xr/lib/python3.9/site-packages/xarray/backends/plugins.py:139: RuntimeWarning: 'netcdf4' fails while guessing warnings.warn(f"{engine!r} fails while guessing", RuntimeWarning) MY_HOME/miniconda3/envs/xr/lib/python3.9/site-packages/xarray/backends/plugins.py:148: RuntimeWarning: 'netcdf4' fails while guessing warnings.warn(f"{engine!r} fails while guessing", RuntimeWarning) MY_HOME/miniconda3/envs/xr/lib/python3.9/site-packages/xarray/backends/plugins.py:148: RuntimeWarning: 'h5netcdf' fails while guessing warnings.warn(f"{engine!r} fails while guessing", RuntimeWarning) MY_HOME/miniconda3/envs/xr/lib/python3.9/site-packages/xarray/backends/plugins.py:148: RuntimeWarning: 'scipy' fails while guessing warnings.warn(f"{engine!r} fails while guessing", RuntimeWarning) Traceback (most recent call last): File "<string>", line 2, in <module> File "MY_HOME/miniconda3/envs/xr/lib/python3.9/site-packages/xarray/backends/api.py", line 687, in open_dataarray dataset = open_dataset( File "MY_HOME/miniconda3/envs/xr/lib/python3.9/site-packages/xarray/backends/api.py", line 510, in open_dataset engine = plugins.guess_engine(filename_or_obj) File "MY_HOME/miniconda3/envs/xr/lib/python3.9/site-packages/xarray/backends/plugins.py", line 177, in guess_engine raise ValueError(error_msg) ValueError: did not find a match in any of xarray's currently installed IO backends ['netcdf4']. Consider explicitly selecting one of the installed engines via the ``engine`` parameter, or installing additional IO dependencies, see: https://docs.xarray.dev/en/stable/getting-started-guide/installing.html https://docs.xarray.dev/en/stable/user-guide/io.html

Now

bash (xr) $ chmod 000 testfile.nc (xr) $ python -c 'import xarray as xr f=xr.open_dataarray("testfile.nc").load()' Traceback (most recent call last): File "<string>", line 2, in <module> File "MY_HOME/miniconda3/envs/xr/lib/python3.9/site-packages/xarray/backends/api.py", line 687, in open_dataarray dataset = open_dataset( File "MY_HOME/miniconda3/envs/xr/lib/python3.9/site-packages/xarray/backends/api.py", line 510, in open_dataset engine = plugins.guess_engine(filename_or_obj) File "MY_HOME/miniconda3/envs/xr/lib/python3.9/site-packages/xarray/backends/plugins.py", line 136, in guess_engine if backend.guess_can_open(store_spec): File "MY_HOME/miniconda3/envs/xr/lib/python3.9/site-packages/xarray/backends/netCDF4_.py", line 547, in guess_can_open magic_number = try_read_magic_number_from_path(filename_or_obj) File "MY_HOME/miniconda3/envs/xr/lib/python3.9/site-packages/xarray/core/utils.py", line 673, in try_read_magic_number_from_path with open(path, "rb") as f: PermissionError: [Errno 13] Permission denied: 'testfile.nc'

 
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     13221727 pull

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