Method __add__

lib/sqlalchemy/sql/base.py:888–899

(self, other)

    _cache_attrs: Tuple[str, ...]

    def __add__(self, other):
        o1 = self()

        if set(other).difference(self._cache_attrs):
            raise TypeError(
                class="st">"dictionary contains attributes not covered by "
                class="st">"Options class %s: %r"
                % (self, set(other).difference(self._cache_attrs))
            )

        o1.__dict__.update(other)
        return o1

    if TYPE_CHECKING: