Method setdefault

src/_pytest/stash.py:90–97

Return the value of key if already set, otherwise set the value of key to default and return default.

(self, key: StashKey[T], default: T)

            return default

    def setdefault(self, key: StashKey[T], default: T) -> T:
        """Return the value of key if already set, otherwise set the value
        of key to default and return default."""
        try:
            return self[key]
        except KeyError:
            self[key] = default
            return default

    def __delitem__(self, key: StashKey[T]) -> None:
        """Delete the value for key.