软件包：python3-xarray-datatree（0.0.14-2）

Tree-like hierarchical data structure for xarray

Datatree provides hierarchical data structure, more flexible than a single xarray.Dataset object. It is able to represent netCDF files / Zarr stores with multiple nested groups in a single in-memory object, but datatree.DataTree objects have many other uses, such as:

 * organising many related datasets, e.g. results of the same
   experiment with different parameters, or simulations of the same
   system using different models,
 * analysing similar data at multiple resolutions simultaneously,
   such as when doing a convergence study,
 * comparing heterogenous but related data, such as experimental
   and theoretical data, I/O with nested data formats such as
   netCDF / Zarr groups.

The approach used is based on benbovy's DatasetNode example, the basic idea is that each tree node wraps a up to a single xarray.Dataset. The differences are that datatree:

 * uses a node structure inspired by anytree for the tree,
 * implements path-like getting and setting,
 * has functions for mapping user-supplied functions over every
   node in the tree,
 * automatically dispatches some of xarray.Dataset's API over every
   node in the tree (such as .isel),
 * has a bunch of tests,
 * has a printable representation

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