Function diff_array_repr

xarray/core/formatting.py:1056–1094

(a, b, compat)

def diff_array_repr(a, b, compat):
    # used for DataArray, Variable and IndexVariable
    summary = [
        f"Left and right {type(a).__name__} objects are not {_compat_to_str(compat)}"
    ]

    if dims_diff := diff_dim_summary(a, b):
        summary.append(dims_diff)

    if callable(compat):
        equiv = compat
    else:
        equiv = array_equiv

    if not equiv(a.data, b.data):
        temp = [wrap_indent(short_array_repr(obj), start="    ") for obj in (a, b)]
        diff_data_repr = [
            ab_side + "\n" + ab_data_repr
            for ab_side, ab_data_repr in zip(("L", "R"), temp, strict=True)
        ]
        summary += ["Differing values:"] + diff_data_repr

    if hasattr(a, "coords"):
        col_width = _calculate_col_width(set(a.coords) | set(b.coords))
        if coords_diff := diff_coords_repr(
            a.coords, b.coords, compat, col_width=col_width
        ):
            summary.append(coords_diff)

    if compat == "identical":
        if hasattr(a, "xindexes") and (
            indexes_diff := diff_indexes_repr(a.xindexes, b.xindexes)
        ):
            summary.append(indexes_diff)

        if attrs_diff := diff_attrs_repr(a.attrs, b.attrs, compat):
            summary.append(attrs_diff)

    return "\n".join(summary)


def diff_treestructure(a: DataTree, b: DataTree) -> str | None: