issues: 299668148

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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
299668148 MDU6SXNzdWUyOTk2NjgxNDg= 1938 Hooks for XArray operations 2190658 open 0     53 2018-02-23T10:37:43Z 2019-07-12T16:40:54Z   MEMBER      

In hope of cleaner dask and sparse support (pydata/sparse#1), I wanted to suggest hooks for XArray operations.

Something like the following: ``` try: import dask.array as da xarray.hooks.register('nansum', da.array, da.nansum) ... except ImportError: pass

try: import sparse.SparseArray xarray.hooks.register('nansum', sparse.SparseArray, sparse.nansum) ... except ImportError: pass ```

Functions would work something like the following: (the register would fall back to Numpy if nothing is found)

  • Check type of first/primary argument.
  • Check register for function.
  • Call function

I would argue that this should be in Numpy, but it's a huge project to put it there.

 
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