Method allow_new_attr

IPython/utils/ipstruct.py:265–271

Set whether new attributes can be created in this Struct. This can be used to catch typos by verifying that the attribute user tries to change already exists in this Struct.

(self, allow = True)

        return key in self

    def allow_new_attr(self, allow = True):
        """Set whether new attributes can be created in this Struct.

        This can be used to catch typos by verifying that the attribute user
        tries to change already exists in this Struct.
        """
        object.__setattr__(self, '_allownew', allow)

    def merge(self, __loc_data__=None, __conflict_solve=None, **kw):
        """Merge two Structs with customizable conflict resolution.