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Switch to T_DataArray in .coords - #7285
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Illviljan
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Nov 16, 2022
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| def __getitem__(self, key: Hashable) -> T_DataArray: | ||
| return self._data._getitem_coord(key) |
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xarray/core/coordinates.py:372: error: AfunctionreturningTypeVarshouldreceiveatleastoneargumentcontainingthesameTypevar [type-var]
xarray/core/coordinates.py:372: note: Considerusingtheupperbound"DataArray"insteadI don't really understand this error, why should the method have at least one argument with the same TypeVar? The TypeVar is stored in self already.
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That's what I meant with making coordinates a generic class.
ContributorAuthor
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Sorry, I'm not following. Feel free to push to this PR or link me to an example you think is similar.
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Ok, nvmd. This does not seem to work in python 3.8....
Anyone has an idea how to solve this? haha.
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Yeah, a little surprised it worked. :D
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Does it work though? What does a reveal_type(da.coords) give?
Or a reveal_type(da.coords["x"])?
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I get this on main:
da=xr.DataArray()
reveal_type(da) # note: Revealed type is "Any"Do you as well?
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No, I get note: Revealed type is "xarray.core.dataarray.DataArray" as expected.
(python 3.9.13 and mypy 0.990)
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Hmm, I use:
mypy 0.982 py310h8d17308_0 conda-forge
mypy_extensions 0.4.3 py310h5588dad_5 conda-forge
...
python 3.10.6 h9a09f29_0_cpython conda-forge
Illviljan
marked this pull request as ready for review
November 20, 2022 09:13
Illviljan
commented
Nov 20, 2022
ContributorAuthor
Mypy errors with python 3.8. Doesn't appear related to this PR at least. |
headtr1ck
commented
Nov 20, 2022
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See #6963 for python 3.8 |
headtr1ck
approved these changes
Nov 21, 2022
headtr1ck
commented
Nov 23, 2022
Collaborator
Just noticed that now pylance and mypy return "Any" as Value types. |
dcherian added a commit
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Dec 2, 2022
* upstream/main: (39 commits) Support the new compression argument in netCDF4 > 1.6.0 (pydata#6981) Remove setuptools-scm-git-archive, require setuptools-scm>=7 (pydata#7253) Fix mypy failures (pydata#7343) Docs: add example of writing and reading groups to netcdf (pydata#7338) Reset file pointer to 0 when reading file stream (pydata#7304) Enable mypy warn unused ignores (pydata#7335) Optimize some copying (pydata#7209) Add parse_dims func (pydata#7051) Fix coordinate attr handling in `xr.where(..., keep_attrs=True)` (pydata#7229) Remove code used to support h5py<2.10.0 (pydata#7334) [pre-commit.ci] pre-commit autoupdate (pydata#7330) Fix PR number in what’s new (pydata#7331) Enable `origin` and `offset` arguments in `resample` (pydata#7284) fix doctests: supress urllib3 warning (pydata#7326) fix flake8 config (pydata#7321) implement Zarr v3 spec support (pydata#6475) Fix polyval overloads (pydata#7315) deprecate pynio backend (pydata#7301) mypy - Remove some ignored packages and modules (pydata#7319) Switch to T_DataArray in .coords (pydata#7285) ...
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.coords were still using DataArray types switch to T_DataArray instead.