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run CI on python=3.13 #9681

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run CI on python=3.13 #9681

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keewis
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@keewis keewis commented Oct 25, 2024

Missing libraries:

  • dask: dask-expr depends on pyarrow, which will support 3.13 starting with pyarrow>=18.0
  • pydap: depends on webob which uses the removed cgi stdlib (see Resolve Deprecation Warnings  pydap/pydap#319 (comment) in the "out-of-scope" section)
  • numba: as usual will take some time to support it (and thus we can't test numbagg and sparse)

reason: `dask-expr` depends on `pyarrow`, which doesn't support python
3.13 yet
reason: depends on `webob`, which makes use of `cgi`, a stdlib that got
removed in python 3.13
@keewis
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keewis commented Oct 25, 2024

Interestingly it's conda that you can't install along with python=3.13, but cftime, pandas, and possibly h5py also raise errors (I can't reproduce that locally, though). So I guess we'll have to revisit this in a couple of weeks.

@mathause
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Is there a reason we are installing conda? For the output of conda info and conda list? There is a micromamba info and micromamba list output in the Setup micromamba step which we could refer to instead.

@keewis
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keewis commented Nov 2, 2024

we use conda to call conda info -a, which contains information micromamba info does not include (and I don't know whether micromamba info -a exists). In theory we could use mamba info -a as well, but that also doesn't provide packages for python 3.13.

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Add python 3.13 to CI
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