Function _item_or_default

xarray/conventions.py:343–347

Return item by key if obj is mapping and key is present, else return default value.

(obj: Mapping[Any, T | U] | T, key: Hashable, default: T)

def _item_or_default(obj: Mapping[Any, T | U] | T, key: Hashable, default: T) -> T | U:
    """
    Return item by key if obj is mapping and key is present, else return default value.
    """
    return obj.get(key, default) if isinstance(obj, Mapping) else obj


def decode_cf_variables(