Method match

xarray/core/datatree.py:1742–1786

Return nodes with paths matching pattern. Uses unix glob-like syntax for pattern-matching. Parameters ---------- pattern: str A pattern to match each node path against. Returns ------- DataTree See Also

(self, pattern: str)

        return self.filter(non_empty_cond)

    def match(self, pattern: str) -> DataTree:
        """
        Return nodes with paths matching pattern.

        Uses unix glob-like syntax for pattern-matching.

        Parameters
        ----------
        pattern: str
            A pattern to match each node path against.

        Returns
        -------
        DataTree

        See Also
        --------
        filter
        pipe
        map_over_datasets

        Examples
        --------
        >>> dt = DataTree.from_dict(
        ...     {
        ...         "/a/A": None,
        ...         "/a/B": None,
        ...         "/b/A": None,
        ...         "/b/B": None,
        ...     }
        ... )
        >>> dt.match("*/B")
        <xarray.DataTree>
        Group: /
        ├── Group: /a
        │   └── Group: /a/B
        └── Group: /b
            └── Group: /b/B
        """
        matching_nodes = {
            path: node.dataset
            for path, node in self.subtree_with_keys
            if NodePath(node.path).match(pattern)
        }
        return DataTree.from_dict(matching_nodes, name=self.name)

    @overload
    def map_over_datasets(