issues: 890534794
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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 |
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| 890534794 | MDU6SXNzdWU4OTA1MzQ3OTQ= | 5295 | Engine is no longer inferred for filenames not ending in ".nc" | 1217238 | closed | 0 | 0 | 2021-05-12T22:28:46Z | 2021-07-15T14:57:54Z | 2021-05-14T22:40:14Z | MEMBER | This works with xarray=0.17.0:
On xarray 0.18.0, it fails: ``` ValueError Traceback (most recent call last) <ipython-input-1-20e128a730aa> in <module>() 2 3 xarray.Dataset({'x': [1, 2, 3]}).to_netcdf('tmp') ----> 4 xarray.open_dataset('tmp') /usr/local/lib/python3.7/dist-packages/xarray/backends/api.py in open_dataset(filename_or_obj, engine, chunks, cache, decode_cf, mask_and_scale, decode_times, decode_timedelta, use_cftime, concat_characters, decode_coords, drop_variables, backend_kwargs, args, *kwargs) 483 484 if engine is None: --> 485 engine = plugins.guess_engine(filename_or_obj) 486 487 backend = plugins.get_backend(engine) /usr/local/lib/python3.7/dist-packages/xarray/backends/plugins.py in guess_engine(store_spec) 110 warnings.warn(f"{engine!r} fails while guessing", RuntimeWarning) 111 --> 112 raise ValueError("cannot guess the engine, try passing one explicitly") 113 114 ValueError: cannot guess the engine, try passing one explicitly ``` I'm not entirely sure what changed. My guess is that we used to fall-back to trying to use SciPy, but don't do that anymore. A potential fix would be reading strings as filenames in |
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completed | 13221727 | issue |