Ensure TreeNode doesn't copy in-place #9482
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TomNicholas
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topic-internals
topic-DataTree
TomNicholas
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Sep 11, 2024
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| # comes after setting node data as this will check for clashes between child names and existing variable names | ||
| super().__init__(name=name, children=children) |
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If you try to swap these back around you get an error from trying to access ._node_coordinates before it has been set. I think this part of the code could be refactored a little (in a follow-up PR). Preferably we would set the data using a codepath that checks for name collisions between variables and children, instead of relying on the assignment of children to do that step.
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@shoyer do you mind if I merge this soon? I want to build atop it (in a few directions). |
shoyer
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Sep 12, 2024
xarray/core/datatree.py
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| new_node = super()._copy_node() | ||
| new_node._name = self.name |
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is this redundant with the NamedNode base class?
dcherian
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Sep 17, 2024
* main: (26 commits) Forbid modifying names of DataTree objects with parents (pydata#9494) DAS-2155 - Merge datatree documentation into main docs. (pydata#9033) Make illegal path-like variable names when constructing a DataTree from a Dataset (pydata#9378) Ensure TreeNode doesn't copy in-place (pydata#9482) `open_groups` for zarr backends (pydata#9469) Update pyproject.toml (pydata#9484) New whatsnew section (pydata#9483) Release notes for v2024.09.0 (pydata#9480) Fix `DataTree.coords.__setitem__` by adding `DataTreeCoordinates` class (pydata#9451) Rename DataTree's "ds" and "data" to "dataset" (pydata#9476) Update DataTree repr to indicate inheritance (pydata#9470) Bump pypa/gh-action-pypi-publish in the actions group (pydata#9460) Repo checker (pydata#9450) Add days_in_year and decimal_year to dt accessor (pydata#9105) remove parent argument from DataTree.__init__ (pydata#9465) Fix inheritance in DataTree.copy() (pydata#9457) Implement `DataTree.__delitem__` (pydata#9453) Add ASV for datatree.from_dict (pydata#9459) Make the first argument in DataTree.from_dict positional only (pydata#9446) Fix typos across the code, doc and comments (pydata#9443) ...
dcherian
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Sep 17, 2024
* main: Opt out of floor division for float dtype time encoding (pydata#9497) fixed formatting for whats-new (pydata#9493) Forbid modifying names of DataTree objects with parents (pydata#9494) DAS-2155 - Merge datatree documentation into main docs. (pydata#9033) Make illegal path-like variable names when constructing a DataTree from a Dataset (pydata#9378) Ensure TreeNode doesn't copy in-place (pydata#9482) `open_groups` for zarr backends (pydata#9469) Update pyproject.toml (pydata#9484) New whatsnew section (pydata#9483)
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Solves #9478 by implementing steps 1 through 4 of #9478 (comment). Steps 5 and 6 were not necessary, so
TreeNodeandNamedNodeare still separate.Changes the in-place behaviour of
TreeNodein a way that is now consistent with the changes made toDataTreein #9297. The tests for treenode are changed but as the tests for datatree are not changed, there are no changes to user API.whats-new.rstapi.rst